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Dissertations / Theses on the topic 'Object Study'

Author: Grafiati
Published: 24 June 2021
Last updated: 30 May 2022

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1

Mustamo, P. (Pirkko). "Object detection in sports:TensorFlow Object Detection API case study." Bachelor's thesis, University of Oulu, 2018. http://urn.fi/URN:NBN:fi:oulu-201802081173.

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Object detection is widely used in the world of sports, its users including training staff, broadcasters and sports fans. Neural network based classifiers are used together with other object detection techniques. The aim of this study was to explore the modern open source based solutions for object detection in sports, in this case for detecting football players. TensorFlow Object Detection API, an open source framework for object detection related tasks, was used for training and testing an SSD (Single-Shot Multibox Detector) with Mobilenet- model. The model was tested as a) pre-trained and b) with fine-tuning with a dataset consisting of images extracted from video footage of two football matches. Following hypotheses were examined: 1) Pre-trained model will not work on the data without fine-tuning. 2) Fine-tuned model will work reasonably well on the given data. 3) Fine-tuned model will have problems with occlusion and players pictured against the rear wall. 4) Using more variable training data will improve results on new images. The results of this study indicate that: 1) The pre-trained model was useless for detecting players in the test images. 2) A fine-tuned model worked reasonably well. 3) Problem areas were players in clusters and/or pictured against the rear wall. 4) A model trained with data from one game was able to detect players in footage from another game. The overall model performance did not much improve by training the model with data from two games. Other model types (such as Faster R-CNN model) should be tested on the data
Kohteentunnistusta käytetään yleisesti urheilumaailmassa, mm. valmennuksessa, televisiolähetyksissä sekä fanikäytössä. Neuroverkkoihin perustuvia menetelmiä käytetään yhdessä muiden tekniikoiden kanssa. Tämän tutkimuksen päämäärä oli tarkastella moderneja avoimen lähdekoodin ratkaisuja kohteentunnistukseen urheilussa, tässä tapauksessa jalkapalloilijoiden tunnistuksessa. TensorFlow Object Detection API perustuu avoimeen lähdekoodiin ja tarjoaa työkaluja kohteentunnistukseen. Sen avulla opetettiin ja testattiin SSD (Single-Shot Multibox Detector) with Mobilenet- mallia sekä a) valmiiksi treenattuna että b) hienosäädettynä aineistolla, joka koostui kahdesta jalkapallo-otteluvideosta poimituista kuvista. Työssä tarkasteltiin seuraavia hypoteeseja: 1) Valmiiksi opettettu malli ei toimi ilman hienosäätöä omalle aineistolle. 2) Hienosäädetty malli toimii kohtuullisen hyvin omalle aineistolle. 3) Hienosäädetyllä mallilla on ongelmia toisensa peittävien tai takaseinää vasten kuvattujen pelaajien tunnistamisessa. 4) Mallin opettaminen vaihtelevammalla aineistolla parantaa tuloksia uudenlaisia esineitä tunnistettaessa. Tutkimuksen tulosten perusteella: 1) Valmiiksi opetettu malli oli hyödytön tämän datan käsittelyssä. 2) Hienosäädetty malli toimi kohtalaisen hyvin. 3) Hienosäädetyllä mallilla oli ongelmia toisensa peittävien tai takaseinää vasten kuvattujen pelaajien tunnistamisessa. 4) Yhdestä pelistä saadulla aineistolla opetettu malli tunnisti pelaajat toisesta pelistä kohtalaisen hyvin. Mallin toiminta ei juurikaan parantunut kun se opetettiin molemmista peleistä koostetulla aineistolla. Muita mallityyppejä (kuten Faster R-CNN model) pitäisi testata tällä datalla
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2

Adekile, Olusegun. "Object-oriented software development effort prediction using design patterns from object interaction analysis." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2329.

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3

Gathers, Ann D. "DEVELOPMENTAL FMRI STUDY: FACE AND OBJECT RECOGNITION." Lexington, Ky. : [University of Kentucky Libraries], 2005. http://lib.uky.edu/ETD/ukyanne2005d00276/etd.pdf.

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Thesis (Ph. D.)--University of Kentucky, 2005.
Title from document title page (viewed on November 4, 2005). Document formatted into pages; contains xi, 152 p. : ill. Includes abstract and vita. Includes bibliographical references (p. 134-148).
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4

Salgado-Arteaga, Francisco. "A study on object-oriented knowledge representation." Virtual Press, 1995. http://liblink.bsu.edu/uhtbin/catkey/935944.

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This thesis is a study on object-oriented knowledge representation. The study defines the main concepts of the object model. It also shows pragmatically the use of object-oriented methodology in the development of a concrete software system designed as the solution to a specific problem.The problem is to simulate the interaction between several animals and various other objects that exist in a room. The proposed solution is an artificial intelligence (Al) program designed according to the object-oriented model, which closely simulates objects in the problem domain. The AI program is conceived as an inference engine that maps together a given knowledge base with a database. The solution is based conceptually on the five major elements of the model, namely abstraction, encapsulation, modularity, hierarchy, and polymorphism.The study introduces a notation of class diagrams and frames to capture the essential characteristics of the system defined by analysis and design. The solution to the problem allows the application of any object-oriented programming language. Common Lisp Object System (CLOS) is the language used for the implementation of the software system included in the appendix.
Department of Computer Science
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5

Anderson, Randi Lynne. "Object-oriented programming an in-depth study /." Instructions for remote access. Click here to access this electronic resource. Access available to Kutztown University faculty, staff, and students only, 1990. http://www.kutztown.edu/library/services/remote_access.asp.

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6

KUROKI, Hiroaki, and Shuichiro YAMAMOTO. "Patterned Versus Conventional Object-Oriented Analysis Methods: A Group Project Experiment." Institute of Electronics, Information and Communication Engineers, 1998. http://hdl.handle.net/2237/15019.

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7

Hanmer, Louise A. "Rats' interactions with enrichment objects are naturally rewarding : A study of object preference and reward processes." Thesis, University of Reading, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.500539.

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8

Minkley, Emma Smith. "A study of the art object as performative." Thesis, Nelson Mandela Metropolitan University, 2016. http://hdl.handle.net/10948/12042.

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My research project explores conventions in art-making and viewing via the notion of the performative art object. The performative (derived from J.L. Austin and Judith Butler’s formulations of the word) is here used predominantly as a term to denote a generative, experiential and iterative process (in this case outlined by art theorist Barbara Bolt) in which intuitive or playful actions of both artist and spectator dictate the route of research. The project, following an A/r/tographical cycle of theoriapraxis-poesis (or theory/research - doing/learning - art/making) as defined by Rita Irwin, thus investigates the relations inherent between artists, spectators or viewers, and objects, and how these may change according to the spaces they are conceived in; from art gallery to urban “non-art” environments. It deals with the inclusion of process or performativity within, or in relation to the art object and how this take on the traditionally static object may have the capacity to change how artworks are envisaged, and more significantly, how they are received, in terms of the effects they (in combination with the viewer) have on the world around them. Blurred in the context of performativity, the art object may become a means of documenting process and in a sense may act as a ‘prop’ for artistic research. This enquiry has involved the study of process and play, as related to creative practice, via a series of object-based events or interventions (including gallery exhibitions and other “non-art” events initiated by the artist outside of conventional art-related space) which have been documented and included in the theoretical research as a means of providing a first-hand narrative of theoretical ideas put into practice. Here Diana Taylor’s understanding of interrelated modes of storing and enacting knowledge as posed in the notion of the archive and repertoire has been utilised as a means of collecting and collating performative and ephemeral research. These events/interventions have further served as a means of gauging viewer interaction and participation, thus actively involving the viewer in the creative act. Jacques Rancière’s notion of the emancipated spectator is here utilised to activate the role of the viewer. In this regard, Martin Heidegger’s concept of handiness or handling serves as a means of “emancipating” spectators by encouraging tactile viewership. It is my intent to open up or reveal new modes of thinking or doing within the viewer when he or she enters a state of performative play within these events. Here the status of the art object is challenged and in this way has the potential to subvert or confront problematic repetitions, both in the identity of the viewer and the space occupied in each event.
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9

Hao, Haiyan. "Understanding Fixed Object Crashes with SHRP2 Naturalistic Driving Study Data." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/84942.

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Fixed-object crashes have long time been considered as major roadway safety concerns. While previous relevant studies tended to address such crashes in the context of roadway departures, and heavily relied on police-reported accidents data, this study integrated the SHRP2 NDS and RID data for analyses, which fully depicted the prior to, during, and after crash scenarios. A total of 1,639 crash, near-crash events, and 1,050 baseline events were acquired. Three analysis methods: logistic regression, support vector machine (SVM) and artificial neural network (ANN) were employed for two responses: crash occurrence and severity level. Logistic regression analyses identified 16 and 10 significant variables with significance levels of 0.1, relevant to driver, roadway, environment, etc. for two responses respectively. The logistic regression analyses led to a series of findings regarding the effects of explanatory variables on fixed-object event occurrence and associated severity level. SVM classifiers and ANN models were also constructed to predict these two responses. Sensitivity analyses were performed for SVM classifiers to infer the contributing effects of input variables. All three methods obtained satisfactory prediction performance, that was around 88% for fixed-object event occurrence and 75% for event severity level, which indicated the effectiveness of NDS event data on depicting crash scenarios and roadway safety analyses.
Master of Science
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10

Osman, Erol. "Relational Strategies for the Study of Visual Object Recognition." Diss., lmu, 2008. http://nbn-resolving.de/urn:nbn:de:bvb:19-90393.

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11

Dixon, Kurt. "Sharp object fatalities in East London: A descriptive study." Thesis, University of the Western Cape, 2009. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_5398_1277417263.

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Data from the National Injury Mortality Surveillance System (NIMSS) show that homicide is the major cause of death with firearms and sharp objects as the main external causes of death in South Africa. The current study is a descriptive study, describing the epidemiology of sharp object fatalities in the city of East London (also known as Buffalo City) in South Africa. It is a secondary data analysis of mortuary data collected by morticians trained in data collection methods according to World Health Organisation standards. This descriptive study aimed to develop the profile of sharp object fatalities in East London. Most of the findings were consistent with other literature on sharp object violence/homicide and on homicide in general using rates per population denominator data. It also combined variables to arrive at more complex descriptions. The following risk factors were identified: male, between the ages 30-34, being from a disadvantaged population group, alcohol consumption, weekend, between the times 20h00 and 23h59 and if we discount the place of death, &lsquo
unknown&rsquo
then the greatest percentage of deaths occurred in a private house. The results were interpreted within an ecological and contextual theoretical framework to hypothesize possible etiological factors. The conclusion was that there were multiple variables which all interact and influence one another across all ecological levels and as other studies have recommended, this study too also recommends that more work is needed in order to identify the multiple pathways leading to fatalities, perhaps by way of multivariate studies as well as qualitative studies with perpetrators of sharp object fatalities.

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12

Adam, Mohamed. "Sharp object fatalities in East London : A descriptive study /." Bellville : University of the Western Cape, 2009. http://etd.uwc.ac.za/usrfiles/modules/etd/docs/etd_gen8Srv25Nme4_6999_1277417229.pdf.

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13

Morena, Luca. "Word or object? : a study of disagreement in ontology /." Milano : Albo versorio, 2007. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=016234905&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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14

Chaudhri, Akmal Bashir. "A systematic performance study of object database management systems." Thesis, City University London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243885.

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15

Yelland, Phillip M. "Models of modularity : a study of object-oriented programming." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386205.

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16

Tippets, Ian Robert. "Differential Object Marking in Spanish: A Quantitative Variationist Study." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1282049112.

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17

Shimada, Masaki. "Study on social object play among young Japanese macaques." 京都大学 (Kyoto University), 2006. http://hdl.handle.net/2433/136725.

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18

DeLong, Caroline M. "Object-centered representations in echolocating dolphins evidence from acoustic analyses of object echoes and a human listening study /." Thesis, University of Hawaii at Manoa, 2003. http://proquest.umi.com/pqdweb?index=0&did=765084621&SrchMode=1&sid=7&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1233101570&clientId=23440.

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19

White, Garry L. "Cognitive characteristics for learning Java, an object oriented programming language." Access restricted to users with UT Austin EID, 2001. http://wwwlib.umi.com/cr/utexas/fullcit?p3036612.

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20

Yalamanchili, Raghu Kiran. "A Study of Exploiting Objectness for Robust Online Object Tracking." Thesis, West Virginia University, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=1524653.

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Tracking is a fundamental problem in many computer vision applications. Despite the progress over the last decade, there still exist many challenges especially when the problem is posed in real world scenarios (e.g., cluttered background, occluded objects). Among them drifting has been widely observed to be a problem common to the class of online tracking algorithms - i.e., when challenges such as occlusion or nonlinear deformation of the object occurs, the tracker might lose the target completely in subsequent frames in an image sequence. In this work, we propose to exploit the objectness to partially alleviate the drifting problem with the class of online object tracking and verify the effectiveness of this idea by extensive experimental results. More specifically, a recently developed objectness measure was incorporated into Incremental Learning for Visual Tracking (IVT) algorithm in a principled way. We have come up with a strategy of reinitializing the training samples in the proposed approach to improve the robustness of online tracking. Experimental results show that using objectness measure does help to alleviate its drift to background for certain challenging sequences.

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21

Patrick, Katharine Anne. "Teaching and learning : the construction of an object of study /." Connect to thesis, 1998. http://eprints.unimelb.edu.au/archive/00000293.

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22

Labuschagne, Gerard Nicholas. "Foreign object insertion in sexual homicide cases an exploratory study /." Diss., Pretoria : [s.n.], 2007. http://upetd.up.ac.za/thesis/available/etd-08222008-092736.

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23

Turesson, Eric. "Multi-camera Computer Vision for Object Tracking: A comparative study." Thesis, Blekinge Tekniska Högskola, Institutionen för datavetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-21810.

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Background: Video surveillance is a growing area where it can help with deterring crime, support investigation or to help gather statistics. These are just some areas where video surveillance can aid society. However, there is an improvement that could increase the efficiency of video surveillance by introducing tracking. More specifically, tracking between cameras in a network. Automating this process could reduce the need for humans to monitor and review since the tracking can track and inform the relevant people on its own. This has a wide array of usability areas, such as forensic investigation, crime alerting, or tracking down people who have disappeared. Objectives: What we want to investigate is the common setup of real-time multi-target multi-camera tracking (MTMCT) systems. Next up, we want to investigate how the components in an MTMCT system affect each other and the complete system. Lastly, we want to see how image enhancement can affect the MTMCT. Methods: To achieve our objectives, we have conducted a systematic literature review to gather information. Using the information, we implemented an MTMCT system where we evaluated the components to see how they interact in the complete system. Lastly, we implemented two image enhancement techniques to see how they affect the MTMCT. Results: As we have discovered, most often, MTMCT is constructed using a detection for discovering object, tracking to keep track of the objects in a single camera and a re-identification method to ensure that objects across cameras have the same ID. The different components have quite a considerable effect on each other where they can sabotage and improve each other. An example could be that the quality of the bounding boxes affect the data which re-identification can extract. We discovered that the image enhancement we used did not introduce any significant improvement. Conclusions: The most common structure for MTMCT are detection, tracking and re-identification. From our finding, we can see that all the component affect each other, but re-identification is the one that is mostly affected by the other components and the image enhancement. The two tested image enhancement techniques could not introduce enough improvement, but other image enhancement could be used to make the MTMCT perform better. The MTMCT system we constructed did not manage to reach real-time.
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24

Ivey, Gavin William. "A case study of narcissistic pathology : an object relations perspective." Thesis, Rhodes University, 1989. http://hdl.handle.net/10962/d1008453.

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The case-study method of psychological research was applied to the brief psychodynamic therapy of a narcissistically disordered female patient. The aim of this research was to explore, clarify and explain certain diagnostic and psychodynamic anomalies to emerge in the course of treatment, using a conceptual framework derived from select psychoanalytic object relations theorists in the area of narcissistic pathology. The author, discovering that there was no diagnostic or explanatory object relations model adequate to the therapeutic data, formulated his own diagnostic category narcissistic neurosis and an eclectic object relations model in order to explain the anomolous research findings. Narcissistic neurosis was defined as a form of psychopathology in which a primarily neurotic character structure presents with a distinctly narcissistic profile. The narcissistic false self-structure serves the functional purpose of protecting the psyche from a repressed negative self-representation derived from a destructive bipolar self-object introject. The primary etiological factor to emerge was that of a narcissistic mother conditional affection and self-object target child necessitated adaptive whose insensitivity, relationship with the premature self-sufficiency and the defensive emergence of a narcissistic surface self-representation. It was proposed that narcissistic neurosis and narcissistic personality disorder are two discrete forms of pathology differing in terms of severity, psychodynamics, defensive structure, mode of object relating, therapeutic accessibility and prognosis. Assessment criteria were proposed in order to differentiate the two areas of narcissistic pathology and assess suitability for psychotherapeutic treatment. Positive treatment results in this case-study suggest that narcissistic neuroses may receive long-term benefit from short-term psychodynamic therapy.
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25

Semysiuk, A. M. "English professional language “infectology” as an object of linguistic study." Thesis, БДМУ, 2020. http://dspace.bsmu.edu.ua:8080/xmlui/handle/123456789/18279.

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26

Bo-Han, Chen, and 陳柏翰. "Object-Oriented Networking Study Platform." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/22001771933290288371.

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碩士
國防大學中正理工學院
資訊科學研究所
94
The work is based on the idea, “Create all the things by learning from Nature”, this research accomplishes the Study Platform, “Gan-Shi Internet School”, through digesting all the theories in E-Learning, such as Constructivism Theory in Knowledge, Situated Learning and Mutual-Cooperative Learning, and last, materializing by theory in Object-Oriented. The first characteristic- Motivating the user’s learning will efficiently. This Study Platform provides the user with a view of 2-Dimention campus and individual situation by simulating the real world from the web, which makes the Study Platform interesting, vivid, well interact and full of life. The second characteristic- Improving the efficiency of management and the elasticity of system.This Study Platform is framed by the theory of Objective-Oriented, containing the qualities of sealing and reusing, witch makes the Study Platform easy to preserve, duplicate, modify and transplant.
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27

LI, JUN-DAO, and 林俊道. "Interferometric study on phase object." Thesis, 1991. http://ndltd.ncl.edu.tw/handle/71768042078523064037.

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28

Shih-Da, Chou, and 周世大. "A Study Of Superquadric Object Representation." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/97478343028830503818.

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碩士
國立臺灣科技大學
電機工程技術研究所
85
The object reconstruction system applies widely on machine vision.The system can reconstruct geometric object shapes based on the shape model and then save in the database for automatic recognition on vision and deformable animations is the main reason.In early, the object reconstruction system was only appliedon some specific object shapes.Recently, the object reconstruction system has been improved very much,and the framework using the Lagrange dynamic equation is used usually,but they havethe disadvantage of complex calculation and running time is too long.So this paper presents an advanced method to solve the above questions.The choice of shape model plays an important role in object reconstruction system.Developing shape models for shape estimation that cover a wide variety of shapes only using a small number of intuitive parameters is a difficultand important problem.Even though there exist models which have flexible and intuitive representations such as those used in solid modeling,but they were not designed for shape estimation.The superquadric which has a simple mathematical formulation is one kind of solid modeling and can increase the scopeby adding somedeformation parameters, but the kind of objects are stillfiniteby superquadric models.In fact, no existing shape model with a compact representati on can describe objects of varying genus in a unified shape model.The object reconstruction system in this paper obtains the two dimension plane graphs of the object by using a camera firstly and converts them to three dimension data points by using a single striped lighting method of the active vision system.Secondly, the superquadric technique is used to form the shapemodel of the system, in order to perform the representation, recognition and reconstructionof 3D objects, and which were need to calculate the externally applied force between points.For the determinationof force correspondence, the spacescaling function is presented by which reference research is defined,reallocate the mesh elements of the model surface, and get global shape parameters using Lagrange dynamic equations. The concept of the space mask is proposed to deal with the local deformation. For the processed time, the running time which the experiments take is less than that the traditional method take.For the results, theshape between the shape model and object is very closely, and MSE and MAE areboth very small.Finally, the experimental results reveal the accuracy, reliability and feasibility of the object reconstruction system.
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Liu, Ding-Chang, and 劉頂昌. "The Study on Real-Time Automatic Detection for Object-Missing and Object-Left." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/51633476274389170845.

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碩士
國立高雄應用科技大學
資訊工程系
97
In this paper, the proposed method can be when the items were stolen or when the remaining object are placed, immediately to record automatically the information of missing object or left object, as well as the preservation of staff timely notification, to avoid terrorist acts and crime in the first. In indoor and outdoor public places such as airports, subway stations, train stations, the crowds gathered by the square in a busy environment, etc., are in need a surveillance system that can detection missing object and left object on real-time. At present, the surveillance systems in several visual functions, such as missing object detection, left object detection... etc, most of them are based on the simple realization of the background and environment, and a face around the crowd, and someone stranded on the detection screen for a long time, or changes in light of the factors and so on, most of them would cause miscarriage of justice are not accurate to judge suspicious and criminal incidents, and this article will address the complex changes in the background, can instantly and accurately detect the missing and left objects in order to better determine a more accurate environment to monitor any suspicious and criminal incidents, and to avoid crime to maintenance public places safety. The principle of this technology is first to utilize background subtraction with the frame difference in order to capture the prospect of objects (move objects), and then count of each pixel for every frame in the prospect, if more than a threshold, then determine the object is a static prospect object, and then utilize connection-labeling to mark different labels for each prospect object, and then determine does the center of every label change? And we can determine the prospect objects is a missing object and left object or not, and to determine is the prospect objects needless? Determine issued alarm or not according to the user. Experimental results show that this method in indoor and outdoor plaza and a number of crowd scenes of the screen can effectively detect objects Lost and stranded, and in accordance with the needs of real-time video.
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Ho, Yuen-Bor, and 何淵博. "A Study on the Application of Object-to-Object Communication in Logistics Management." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/35683619560184418262.

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31

Canelas, Pedro Filipe Guerreiro. "Simulation of biologically inspired object movement for the study of object tracking algorithms." Master's thesis, 2016. http://hdl.handle.net/10362/37236.

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Major advances in Cell and Molecular Biology have been associated with the advances in live-cell microscopy imaging, and these studies started to rely on temporal single cell imaging. To support these efforts, available automated image analysis methods such as cell segmentation and cell tracking during a time-series analysis should be improved. One important step is the validation of such image processing methods. Ideally, the “ground truth” should be known, which is possible only by manually labelling images or by artificially produced images. To simulate such artificial images we developed a platform that can simulate biologically inspired objects, by generating bodies with different morphologies, physical movement and that can aggregate in clusters. Using this platform, we tested and compared four tracking algorithms: Simple Nearest-Neighbour (NN), NN with Morphology and two DBSCAN based ones. In this work we showed that Simple NN work for small object velocities, while the other algorithms perform better on higher velocities and when clustered. This platform can generate new benchmark images and is openly available to test other tracking algorithms. (http://griduni.uninova.pt/Clustergen/ClusterGen_v1.0.zip)
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32

Yu-TingTing and 丁于庭. "Interaction Between Face- and Object-Selective Regions by Face-Like Objects – An fMRI study." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/55864983158131149435.

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碩士
國立成功大學
認知科學研究所
98
In daily lives, many objects with their “two-eyes-on-top, one-mouth-below" configurations, look like human faces. In one MEG study, Hadjikhani (2009) found that subjects' face-selective region-FFA, responded similarly to those “face-like objects" as to faces, providing the first neuroscientific support of those “face-likeness” impressions. However, face-like objects are by default objects, so they should active object-selective region-LOC as well. To investigate the interaction between FFA and LOC in viewing face-like objects, we use behavioral and fMRI methods to disentangle their relations. Subjects do speeded face/object and facelike/non-facelike judgments in fMRI experiments. First, the behavioral results show that the reaction time of face-like objects are significantly longer than that of faces or objects, suggesting the extra conflict reaction time of facelike-objects. Second, the fMRI experiment shows that when using different judgments, task demands would affect brain neuron responses in face- and object- selective regions.
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33

Yang, Shyue-Wen, and 楊學雯. "A Study of Foreground Object Detection and Object Feature Extraction for Image Surveillance System." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/28414153911894792444.

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博士
國立雲林科技大學
工程科技研究所博士班
102
Image surveillance systems are used to perform direct visual monitoring. Moreover, multiple cameras are used to acquire complete visual coverage of locations such as banks and traffic intersections. Image surveillance systems can be divided into front-end processes for object detection and feature extraction, and back-end processes for object classification and tracking. This dissertation focuses on the front-end processes. The topics of this study are the development of a ghost-free video stitching method for multiple-camera environments, and the foreground object detection for image surveillance systems. An image labeling technique was applied to acquire feature data on foreground objects. By using an image stitching method, we identified a variable seam line based on minimal color differences in the overlapping region of images captured by two cameras. By stitching a static scene, we located a seam line to bypass the horizontal edge, thus removing alignment artifacts. Furthermore, in dynamic scenes, the variable seam line removes moving objects to obtain a ghost-free panoramic video image. To evaluate the quality of a seam, we present a seam similarity function for evaluating color difference of a neighboring seam. In the same test sequence, our seam similarity method achieved an improvement of 10%–23%. Regarding the foreground object detection, we used a block-based background subtraction technique. Initially, the input image is partitioned into non-overlapping image blocks. Subsequently, each image block is analyzed to obtain its textural information. According to the textural variation in each image block, we constructed a dynamic background model. First, we used discrete cosine transform (DCT) coefficients to construct the background model. Because human eyes are sensitive to low-frequency components, the low-order DCT coefficients of each block were used to construct a background model and execute foreground block detection. The block-based method can markedly reduce the required memory when constructing the background model in dynamic scenes. The experimental results showed that the proposed method uses at least 39.66% less memory than conventional method. However, calculating DCT coefficients increases the computational complexity. Therefore, we represent each block as a block texture. The block texture transform requires only addition and subtraction operations. The mean intensity and textural information (vertical, horizontal, and diagonal textures) can be obtained easily. When using block texture representation to construct the background model, the memory consumption can be reduced by 23.97%. The proposed approach was implemented using an embedded system platform. The proposed method can be applied to perform real-time operations at processing speeds of at least 20 fps, representing a 17.64% improvement. Regarding the object feature extraction, we used an image labeling technique to obtain the feature data for each object. A single-pass labeling method was employed and a label reuse approach is presented to minimize the number of labels. This approach can efficiently reduce the memory consumption and improve the processing speed. The experimental results showed that the memory consumption is decreased by 37% and the execution time improved by 41%.
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34

吳志文. "A Study on Contour-Based Object Recognition." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/67769816296596870079.

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Abstract:
碩士
華梵大學
資訊管理學系碩士班
92
In the thesis, the research topic about contour-based object recognition is studied. Polygonal approximation algorithm was used to find out vertices of contour of an object. And then, the attributed string with polygon vertices as primitives were set up and used for dynamic programming. We slightly modified the dynamic programming algorithm proposed by Kaygin and Bulut [12] in order to match open shapes. On the other hand, the selection problem of starting points may occur for matching attributed strings. We overcome this problem by doubling the size of the attributed string. In the experimental results, three matching cases for shape matching, such as closed-to-closed, open-to-closed, open-to-open, were considered and discussed. Besides, some experiments were designed to test the retrieval performance due to rotation, scaling and translation. Experimental results show that our method performs well.
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35

Kao, Chai-Shih, and 高采時. "Study of SCORM Compliance Learning Object Repository." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/8cxr6q.

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Abstract:
碩士
崑山科技大學
電機工程研究所
96
Due to the progress of the network and the information technology, learning anywhere and anytime becomes possible. E-learning becomes more and more important. The multimedia information technology used in teaching is become an essential issue. The focus of E-learning is moved from the learning management to the content management along with the production and promotion of numerous international E-learning standards and the ripe usage of learning management platform and learning content management platform. The key to success of E-learning is transferred to how to help teachers fast and easily developing high quality learning course. There are many approaches to develop high quality learning courses. One of these is the learning object approach proposed in 1994 by Wayne Hodgins. The idea of the learning object is from the object-oriented programming. This approach uses the reusability of learning objects along with construction standardization and free share. Teachers can develop high quality courses fast and easily by this approach. Without taking extra effort on course construction, teachers can take more attention to the interaction with students. The construction of learning object repository (LOR) becomes a new development trend in the international E-learning organizations. This thesis defines the learning object and then develops a guideline to construct learning objects. The fields of metadata are defined according to the China National Standards (CNS) learning objects metadata (LOM) standard. The Dspace system is modified as a LOR platform. The courses are then packaged by the reusable e-learning object authoring & delivery (RELOAD) Editor to meet the Sharable Content Object Reference Model (SCORM) and put into the LOR as a basic element for teachers to develop digital courses in the future.
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36

Yan, Bi-quan, and 顏必全. "Study On Static Object Detection In Drawers." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/29359763618028903398.

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Abstract:
碩士
大同大學
通訊工程研究所
105
This paper proposes a device for detecting the forgotten objects in a desk drawer. The device consists of the pressure sensing system and the object detecting system. The pressure sensing system detects the appearance of a seated person. The object detection system detects the foreign objects with the following operations (1) Software on computer receives the information from the pressure sensing system; (2) when information indicates that user leaves the chair, CCD camera takes a picture from computer in the desk drawer; (3) the picture is named "current-image"; (4) converting "current-image" to grayscale image; (5) calculating the difference between the "current-image" and the image of empty desk based on background subtraction; (6) converting the background subtraction result to binary image; (7) get the number of white pixels in the binary image; (8) and if the white pixels in the binary image exceeds a certain threshold, computer flashes LEDs. Experiment results show: (a) When different pixels take up over 5.7% of the “current-image”, the object detection system determines that there is foreign objects in the desk drawer; (b) the pressure sensing system sends data to the object detection system in 0.013 seconds, and the object detection system presents calculation result in 5.329 seconds.
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37

Chien, Jui-Cheng, and 簡睿成. "A Study on Object-Based Video Compression." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/80368889867706396980.

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Abstract:
碩士
國立交通大學
資訊科學系
90
Object-based video compression is a hot topic. This kind of techniques separates objects from the background and encodes objects individually. In this thesis, we will propose an object segmentation method and an object-based video compression method. Both methods are fully automatic. The object segmentation approach provides the ability to extract rigid objects from two consecutive frames with or without background motion. The main idea is to analyze the motion information between two frames. Then the result of object segmentation could be used in the object-based video compression method. The object in each frame could be considered the same as the first extracted one. So we only need to record the motions of background and the object in each frame. And the new appeared background area also needs to be recorded. Thus, only a little information is needed to reconstruct the original video.
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38

Knoblich, Ulf, and Maximilan Riesenhuber. "Stimulus Simplification and Object Representation: A Modeling Study." 2002. http://hdl.handle.net/1721.1/7269.

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Tsunoda et al. (2001) recently studied the nature of object representation in monkey inferotemporal cortex using a combination of optical imaging and extracellular recordings. In particular, they examined IT neuron responses to complex natural objects and "simplified" versions thereof. In that study, in 42% of the cases, optical imaging revealed a decrease in the number of activation patches in IT as stimuli were "simplified". However, in 58% of the cases, "simplification" of the stimuli actually led to the appearance of additional activation patches in IT. Based on these results, the authors propose a scheme in which an object is represented by combinations of active and inactive columns coding for individual features. We examine the patterns of activation caused by the same stimuli as used by Tsunoda et al. in our model of object recognition in cortex (Riesenhuber 99). We find that object-tuned units can show a pattern of appearance and disappearance of features identical to the experiment. Thus, the data of Tsunoda et al. appear to be in quantitative agreement with a simple object-based representation in which an object's identity is coded by its similarities to reference objects. Moreover, the agreement of simulations and experiment suggests that the simplification procedure used by Tsunoda (2001) is not necessarily an accurate method to determine neuronal tuning.
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Lin, Hsiau-Wen, and 林曉雯. "A Study on Reusability of Adaptive Learning Object." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/23917351650623746551.

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Abstract:
博士
淡江大學
資訊工程學系博士班
95
One stumbling block to the establishment of E-Learning is on the time consuming tasks to create high quality digital contents that can be used in instruction. In the literature, reusability of learning objects is addressed as a potential solution toward the sharing of high quality contents. SCORM provides a generic and standard mechanism to enable learning objects changeable, reusable. SCORM defines metadata of learning objects, which is used as the elementary reusable components in E-Learning; SCORM defines sequence of learning objects, which is used for setting adaptive E-Learning; even provides a common architecture for the resolution, discovery, and sharing of learning objects in new proposed CORDRA. However, there is another big stumbling block for most course designers (e.g. teachers) who are not SCORM specialists to create a SCORM compliant learning objects. Thus, our investigation focuses on how to help course designers to create reusable learning objects facilely. First, we propose a mechanism called the MINE Metadata Wizard, by means of using user profiles, system extracted information, interactive questions, and influence rules to provide an automatic metadata generation mechanism to reduce the load of course designers. Second, the first technique for automatic sequencing testing is proposed to decrease the complexity of sequencing definition model in SCORM 2004. Petri Net is extended to make the course sequencing visible and avoid any irregular setting interrupting learning activity in advance. In addition, when course designers want to reuse exist learning objects, our extending CORDRA model provides systematic query results from huge repository. The evolution of reusing on a particular learning object in CORDRA can be tracked in a structure. We call the structure a Reusability Tree. As a consequence, reusable learning objects can be discovered and reused by many course designers.
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40

林曉雯. "The Study of Object-Oriented Data Warehouse Design." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/78224372200247517584.

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碩士
佛光人文社會學院
資訊學研究所
91
With the variety of analysis tools and heterogeneous data sources, it is getting more important to apply object-oriented techniques to approach data warehouse designs. The data warehouse architecture consists of various data sources, view mechanisms and data storages. In order to construct a complete object-oriented data warehouse, it is essential to deal with the characteristics of object-oriented technology in the data warehouse architecture well. In this thesis, we propose a novel data model for constructing the object-oriented data warehouses from a global object-oriented data source. The model generates the classes of the objected-oriented data warehouse according to the views of users’ requirements and the original structures. Especially, it preserves the original inheritance relationships of classes and economizes the use of schema storage. In addition, the model deals with derived attributes to avoid the inconsistency between data source and data storage which has never been done well before.
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41

Hwang, Jaw Pyng, and 黃肇萍. "A Study on The object of Condominoum Ownership." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/94770740826625421851.

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42

Chin, Hsuan, and 晋萱. "A Study on Object Locating via Indoor Positioning." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/89wc2w.

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碩士
國立臺灣科技大學
資訊管理系
107
In our daily life, we may have experience on try finding an object, especially at home. This paper proposes a mobile app that records the location of indoor objects, and identifies objects appearing in the camera through object recognition. At the same time, the geomagnetic indoor positioning is used to obtain the current indoor coordinates, and the object information is recorded in the database. When the object is to be searched later on, the geomagnetic information is used to navigate to the object location, so that it is easier to find it. In order to make the user more aware of the location, this paper also proposes a method on the route display, combined with the geomagnetic indoor positioning data and the flood filling algorithm, so that we can present the user's path while walking, and construct a simple indoor floor plan.
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43

Chen, Kuan-Wha, and 陳冠樺. "Study on Application of Object Detection with WHT." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/44061595579006445562.

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Abstract:
碩士
大同大學
資訊工程學系(所)
103
Haar-like feature extraction and Adaboost algorithm were applied to the human face detection in the beginning. Then they were widely used in the detection to other objects. In previous study, the Walsh-Hadamard transform is applied to replace the integral image and Haar-like feqtures to obtain the features of images. Through the Adaboost learning the process is used to detect human face. In this these, the other object detection of Walsh-Hadamard transform and Adaboost algorithm is studied, including the windows of building, the license plate of cars and wheels of motorcycles. Furthermore, in addition to the original Haar-like features, the Sobel operator is used to find the gradient. The direction of the gradient is calculated to obtain the cumulative histogram. And the Haar-like features are extracted from the histogram. These three experiments are studied to evaluate the effects of the learning samples with detection results and the influence in the angle of the object. From the experiment can be found that: less learning samples are needed with application of the Walsh-Hadamard transformation to get a good detection results. The changes in the angle of the object is less than original Haar-like features methods. Therefore, the conclusion that the object detection with Walsh-Hadamard transformation can replace the Haar-like features in the applications of objects detection.
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Te-Yi, Liu, and 劉德一. "Study on Colored Laminated Object Manufacturing Rapid Prototyping." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/65022030927941227798.

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45

Lin, Hsiang-Chi, and 林翔祺. "The study on Video Object Coding over MPEG." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/02005098079260498881.

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46

CHIANG, CHUN-I., and 江俊逸. "A STUDY OF CHING DYNASTY OBJECT "PWU-SHYUE"." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/42329954029103454744.

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47

Chiu, Chi Tai, and 邱啟泰. "A Study on Object-Oriented Courseware Analysis Method." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/74275646316263736248.

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48

Ye, Yan-Ting, and 葉彥廷. "The Study on Video Object Segmentation Based on Object Structure and Color Analysis in Rainy Situations." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/01939034144937562967.

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Abstract:
碩士
國立高雄應用科技大學
電子與資訊工程研究所碩士班
95
Video segmentation is key role for developing technique (e.g. index-retrieval, compression or representation) of content-based video processing. In practically, it can be implemented in pre-processing for contend-based video system in order to separate the video into many video objects. Many proposed video segmentation algorithms which are aimed at specific sequence (e.g. indoor environment) or outdoor environment in clear day. However, there restrictions hardly make it to be invalid in bad situation. A novel video segmentation algorithm to be proposed in this dissertation, it can be applied to rainy situations. This algorithm is based on change detection and also combines with colors and structure of image. First of all, we separate the pixels of foreground and background from the video sequence by using change detection. Therefore, we can obtain the initial object mask which consist of shadow region and reflect region. The shadow region is caused by lighting change; the reflect region is caused by rainy weather. The above two regions can be reduced by image structure and image color analysis. In the end, to refine the boundary of moving object by using connect component labeling and morphological operation. Experimental result shows that the foreground objects can be extracted efficiently by the proposed algorithm, especially for rainy day.
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49

Zaman, Naeem. "Strategies utilized in computer problem solving and object-oriented programming." Thesis, 2003. http://hdl.handle.net/1957/31604.

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The purpose of this qualitative study was to describe how novice students solved computer programming problems in a beginning college level computer science (CS) course with an introduction to object-oriented programming (OOP) and what knowledge they obtained about OOP and computer problem solving (CPS) as a result of their experiences. Additionally, this descriptive study attempted to characterize the instruction provided to students in a beginning CS course as well as students' CPS strategies. An introduction to computer science class at the college level was selected for the sample. One experienced instructor and four students participated in this study. Data were collected through classroom observations, interviews with the instructor and students, classroom documents and researcher's journals. The analysis of the results revealed a teacher-centered instruction focused on syntactical details with an emphasis on the imperative paradigm and an introduction to object-oriented aspects of the C++ language. Results revealed that to develop the solution code for the given problems, students consistently approached them without a comprehensive written plan/design. The process students typically used in developing a solution for the given computer problem involved: (1) problem understanding, (2) preliminary problem analysis, (3) reliance on examples and (4) trial-and-error. Students typically approached debugging syntax and logic errors by (1) following the compiler generated messages, (2) using trial-and-error, (3) performing a desk-check strategy and (4) using the VISUAL C++ debugger. This study identified the features of CPS and OOP learning that can be studied for identifying how students approach CPS and OOP processes in other object-oriented languages (such as JAVA) and how their CPS and OOP processes develop as compared to C++. Differences in programming performances were found among males and females. Males in this study were more comfortable with the mechanical-orientation of programming as compared with their female counterparts. Future research is needed in CPS and OOP to explore gender issues in learning OOP languages. This study identified potential student CPS and OOP learning processes and factors using a qualitative approach. Future research should investigate the factors effecting introductory CS problem solving using a quantitative methodology or perhaps a combination of qualitative and quantitative approaches.
Graduation date: 2003
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50

Zhang, Byron He. "Object - oriented ecosystem modelling : a case study : SALMO - OO." 2006. http://hdl.handle.net/2440/37792.

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Object - oriented ecosystem modelling was introduced in the early of 1990s ( Silvert, 1992 ). From that time on, ecosystem models using object - oriented programming ( OOP ) has earned significant achievements with increasing upgraded information technology. The common purposes of ecosystem modellers are to build a model with flexible structure, which allow continuous modifications on the model content. In last decade, ecosystem modellers have put a large number of efforts to practice the OOP approaches in order to implement a true object - oriented ecosystem model. However, these previous work have not fully take advantage of object - orientation because of misusing more or less this technique. This paper explains the shortcoming of these previous endeavours therewith points out a practical solution that using the methodology of object - oriented software engineering and some relative novel information techniques. A case study SALMO - OO will be presented in this paper to prove Silvert ' s assumption that OOP play an important role on ecosystem modelling approaches. Moreover, the results of SALMO - OO convince that object - oriented ecosystem modelling can be achieved by using object - oriented software engineering associating with a true object - oriented programming language ( Java in this case ).
Thesis (M.Sc.)--School of Earth and Environmental Sciences, 2006.
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