Дисертації з теми "Image quality analysis"
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Gadkari, Dhanashree. "IMAGE QUALITY ANALYSIS USING GLCM." Master's thesis, University of Central Florida, 2004. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3246.
Повний текст джерелаM.S.
Other
Arts and Sciences
Modeling and Simulation
Solano, Solano David. "Image quality analysis in dual-source CT." [S.l. : s.n.], 2008. http://nbn-resolving.de/urn:nbn:de:bsz:16-opus-89891.
Повний текст джерелаPlaisted, Parker Bennett. "An investigation of point image analysis for evaluating holographic image quality /." Online version of thesis, 1993. http://hdl.handle.net/1850/11878.
Повний текст джерелаA-iyeh, Enoch. "Voronoi tessellation quality: applications in digital image analysis." A-iyeh E., Peters, J.F, Proximal Groupoid Patterns in Digital Images, Computing Research Repository: Computer Vision and Pattern Recognition, 2016, 2017. http://hdl.handle.net/1993/32055.
Повний текст джерелаFebruary 2017
Basnandan, Anneil. "Image analysis of carpet tufting." Thesis, Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/18213.
Повний текст джерелаLi, Jun. "Image texture decomposition and application in food quality analysis /." free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3036842.
Повний текст джерелаGreen, Richard. "Quantitative assessment of bone quality using image guided failure analysis." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/quantitative-assessment-of-bone-quality-using-image-guided-failure-analysis(7aefbd56-4f20-4fb3-97be-7e350ddd5526).html.
Повний текст джерелаSaxena, Abhinav. "Online web monitoring of card-spinning using image analysis." Thesis, Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/8261.
Повний текст джерелаAbel, Derek H. "An image quality analysis of ANVIS-6 night vision goggles." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-11102009-020251/.
Повний текст джерелаFeng, Si. "Enhancing the image quality of digital breast tomosynthesis." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/52151.
Повний текст джерелаTasyumruk, Lutfullah. "Analysis of voice quality problems of Voice Over Internet Protocol (VoIP)." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03sep%5FTasyumruk.pdf.
Повний текст джерелаZhu, Yuehan. "Automated Supply-Chain Quality Inspection Using Image Analysis and Machine Learning." Thesis, Högskolan Kristianstad, Fakulteten för naturvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-20069.
Повний текст джерелаKumara, Muthukudage Jayantha. "Automated Real-time Objects Detection in Colonoscopy Videos for Quality Measurements." Thesis, University of North Texas, 2013. https://digital.library.unt.edu/ark:/67531/metadc283843/.
Повний текст джерелаGipey, Collins D. "Manganese analysis and speciation in freshwater lakes and reservoirs /." [St. Lucia, Qld.], 2001. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16202.pdf.
Повний текст джерелаAlrished, Mohamad Ayad A. "A quantitative analysis and assessment of the performance of image quality metrics." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/128987.
Повний текст джерелаCataloged from student-submitted PDF of thesis.
Includes bibliographical references (pages 79-82).
Image quality assessment addresses the distortion levels and the perceptual quality of a restored or corrupted image. A plethora of metrics has been developed to that end. The usual mean of success of an image quality metric is their ability to agree with the opinions of human subjects, often represented by the mean opinion score. Despite the promising performance of some image quality metrics in predicting the mean opinion score, several problems are still unaddressed. This thesis focuses on analyzing and assessing the performance of image quality metrics. To that end, this work proposes an objective assessment criterion and considers three indicators related to the metrics: (i) robustness to local distortions; (ii) consistency in their values'; and (iii) sensitivity to distortion parameters. In addition, the implementation procedures of the proposed indicators is presented. The thesis then analyzes and assesses several image quality metrics using the developed indicators for images corrupted with Gaussian noise. This work uses both widely-used public image datasets and self-designed controlled cases to measure the performance of IQMs. The results indicate that some image quality metrics are prone to poor performance depending on the number of features. In addition, the work shows that the consistency in IQMs' values depends on the distortion level. Finally, the results highlight the sensitivity of different metrics to the Gaussian noise parameter. The objective methodology in this thesis unlocks additional insights regarding the performance of IQMs. In addition to the subjective assessment, studying the properties of IQMs outlined in the framework helps in finding a metric suitable for specific applications.
by Mohamad Ayad A. Alrished.
S.M.
S.M. Massachusetts Institute of Technology, Department of Mechanical Engineering
Cerviño, Alejandro. "Optimising the clinical analysis of retinal image quality in the human eye." Thesis, Aston University, 2007. http://publications.aston.ac.uk/14646/.
Повний текст джерелаMadaan, Puneet. "Texture analysis of PET scans as a tool for image quality assessment." Thesis, University of Iowa, 2012. https://ir.uiowa.edu/etd/2575.
Повний текст джерелаRapp, Joshua. "Spatial analysis of catchment characteristics in relation to water quality using remote sensing and geographic information systems /." Spatial analysis of catchment characteristics in relation to water quality using remote sensing and geographic information systemsRead the abstract of the thesis, 2003. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17469.pdf.
Повний текст джерелаAl-khedher, Mohammad Abdelfatah. "Carbon nanotubes characterization and quality analysis using artificial intelligence." Online access for everyone, 2007. http://www.dissertations.wsu.edu/Dissertations/Spring2007/m_al-khedher_041907.pdf.
Повний текст джерелаMahalingam, Vijay Venkatesh. "WAVELET AND SINE BASED ANALYSIS OF PRINT QUALITY EVALUATIONS." UKnowledge, 2004. http://uknowledge.uky.edu/gradschool_theses/244.
Повний текст джерелаRuiz-Laverde, Manuel Fabián. "Image quality analysis of the reproductions of black and white photographs obtained from a desktop publishing system /." Online version of thesis, 1989. http://ritdml.rit.edu/handle/1850/11485.
Повний текст джерелаRoman-Gonzalez, Avid. "Compression Based Analysis of Image Artifacts: Application to Satellite Images." Phd thesis, Telecom ParisTech, 2013. http://tel.archives-ouvertes.fr/tel-00935029.
Повний текст джерелаOlsén, Christina. "Towards Automatic Image Analysis for Computerised Mammography." Doctoral thesis, Umeå University, Computing Science, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1657.
Повний текст джерелаMammographic screening is an effective way to detect breast cancer. Early detection of breast cancer depends to a high degree on the adequacy of the mammogram from which the diagnosis is made. Today, most of the analysis of the mammogram is performed by radiologists. Computer-aided diagnosis (CAD) systems have been proposed as an aid to increase the efficiency and effectiveness of the screening procedure by automatically indicating abnormalities in the mammograms. However, in order for a CAD system to be stable and efficient, the input images need to be adequate. Criteria for adequacy include: high resolution, low image noise and high image contrast. Additionally, the breast needs to be adequately positioned and compressed to properly visualise the entire breast and especially the glandular tissue.
This thesis addresses questions regarding the automatic determination of mammogram adequacy with the focus on breast positioning and segmentation evaluation. The goal and, thus, the major technical challenge is to develop algorithms that support fully automatic quality checks. The relevant quality criteria are discussed in Chapter 2. The aim of this discussion is to compile a comprehensive list of necessary criteria that a system for automatic assessment of mammographic adequacy must satisfy. Chapter 3 gives an overview of research performed in computer-aided analysis of mammograms. It also provides basic knowledge about image analysis involved in the research area of computerized mammography in general, and in the papers of this thesis, in particular. In contrast, Chapter 4 describes basic knowledge about segmentation evaluation, which is a highly important component in image analysis. Papers I–IV propose algorithms for measuring the quality of a mammogram according to certain criteria and addresses problems related to them. A method for automatic analysis of the shape of the pectoralis muscle is presented in Paper I. Paper II proposes a fully automatic method for extracting the breast border. A geometric assumption used by radiologists is that the nipple is located at the point on the breast border being furthest away from the pectoralis muscle. This assumption is investigated in Paper III, and a method for automatically restricting the search area is proposed. There has been an increasing need to develop an automated segmentation algorithm for extracting the glandular tissue, where the majority of breast cancer occur. In Paper IV, a novel approach for solving this problem in a robust and accurate way is proposed. Paper V discusses the challenges involved in evaluating the quality of segmentation algorithms based on ground truths provided by an expert panel. A method to relate ground truths provided by several experts to each other in order to establish levels of agreement is proposed. Furthermore, this work is used to develop an algorithm that combines an ensemble of markings into one surrogate ground truth.
Tchan, Jack Soning. "Development of an image analysis system to produce a standardised assessment of print quality." Thesis, Open University, 1998. http://oro.open.ac.uk/57912/.
Повний текст джерелаGarcia, Sanchez Yaiza. "Analysis of retinal image quality for peripheral vision in humans and pigeons (Columba livia)." Thesis, Cardiff University, 2012. http://orca.cf.ac.uk/41966/.
Повний текст джерелаSzatvanyi, Gérard Silard. "Improving Quality and Combustion Control in Pyrometallurgical Processes Using Multivariate Image Analysis of Flames." Thesis, Université Laval, 2006. http://www.theses.ulaval.ca/2006/23666/23666.pdf.
Повний текст джерелаCombustion is used throughout the mineral processing industry to produce steam in boilers, to dry concentrates in rotary dryers, and to apply heat treatments in pyrometallurgical furnaces. Tight combustion control is very important in the latter type of furnace since the combustion conditions directly affect final ore quality. However, achieving tight combustion control is not straightforward since most of the flames encountered in industry are turbulent non-premixed flames, they are affected by several unmeasured disturbances, various flow rates, continuous variation in the mix between fuels since they are often produced by simultaneously burning several types of fuel, some of them coming from other parts of the plant. A novel method is proposed in this study to improve process and product quality control as well as to optimize the combustion conditions based on digital flame color images. Multivariate Image Analysis and Regression is used to extract the flame color characteristics from images to predict the solids discharge temperature of an industrial rotary kiln related to product quality. It is shown that this method yield extremely good 20 minutes, 40 minutes as well as 80 minutes ahead forecasts of the discharge temperature of mineral ore. This should lead to a substantial reduction in product quality variability as well as in fuel consumption.
Grönborg, Felix, and Otto Ortega. "Evaluation of Methods for Image Analysis with the Purpose of Imitating Subjective Quality Assessment." Thesis, Linköpings universitet, Medie- och Informationsteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-174849.
Повний текст джерелаExamensarbetet är utfört vid Institutionen för teknik och naturvetenskap (ITN) vid Tekniska högskolan, Linköpings universitet
Szatvanyi, Gérard. "Improving quality and combustion control in pyrometallurgical processes using multivariate image analysis of flames." Master's thesis, Université Laval, 2006. http://hdl.handle.net/20.500.11794/18697.
Повний текст джерелаCombustion is used throughout the mineral processing industry to produce steam in boilers, to dry concentrates in rotary dryers, and to apply heat treatments in pyrometallurgical furnaces. Tight combustion control is very important in the latter type of furnace since the combustion conditions directly affect final ore quality. However, achieving tight combustion control is not straightforward since most of the flames encountered in industry are turbulent non-premixed flames, they are affected by several unmeasured disturbances, various flow rates, continuous variation in the mix between fuels since they are often produced by simultaneously burning several types of fuel, some of them coming from other parts of the plant. A novel method is proposed in this study to improve process and product quality control as well as to optimize the combustion conditions based on digital flame color images. Multivariate Image Analysis and Regression is used to extract the flame color characteristics from images to predict the solids discharge temperature of an industrial rotary kiln related to product quality. It is shown that this method yield extremely good 20 minutes, 40 minutes as well as 80 minutes ahead forecasts of the discharge temperature of mineral ore. This should lead to a substantial reduction in product quality variability as well as in fuel consumption.
Razifar, Pasha. "Novel Approaches for Application of Principal Component Analysis on Dynamic PET Images for Improvement of Image Quality and Clinical Diagnosis." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-6053.
Повний текст джерелаReisenhofer, Rafael [Verfasser], Emily [Akademischer Betreuer] King, Emily [Gutachter] King, and Armin [Gutachter] Iske. "Image Analysis via Applied Harmonic Analysis : Perceptual Image Quality Assessment, Visual Servoing, and Feature Detection / Rafael Reisenhofer ; Gutachter: Emily King, Armin Iske ; Betreuer: Emily King." Bremen : Staats- und Universitätsbibliothek Bremen, 2018. http://d-nb.info/1169299105/34.
Повний текст джерелаBharati, Manish H. "Multivariate image analysis and regression for industrial process monitoring and product quality control / by Manish H. Bharati." *McMaster only, 2002.
Знайти повний текст джерелаCastan, Beulah. "An analysis of the nature and quality of friendship relationships in a sample of Australian adolescents /." St. Lucia, Qld, 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17840.pdf.
Повний текст джерелаHamid, Muhammed Hamed. "Hyperspectral Image Generation, Processing and Analysis." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5905.
Повний текст джерелаRius-Vilarrasa, Elisenda. "Evaluation of a Video Image Analysis system for the prediction of carcass and meat quality in genetic improvement programmes." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/4394.
Повний текст джерелаJackson, Brian Patrick. "Automated Complexity-Sensitive Image Fusion." Wright State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=wright1421079359.
Повний текст джерелаNamroud, Iman. "An Analysis of Aliasing and Image Restoration Performance for Digital Imaging Systems." University of Dayton / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1399046084.
Повний текст джерелаBhattacharya, Abhishek. "Affect-based Modeling and its Application in Multimedia Analysis Problems." FIU Digital Commons, 2012. http://digitalcommons.fiu.edu/etd/713.
Повний текст джерелаKwok, Sze Man Simon. "Attribute-driven segmentation and analysis of mammograms." University of Western Australia. Centre for Intelligent Information Processing Systems, 2005. http://theses.library.uwa.edu.au/adt-WU2005.0010.
Повний текст джерелаTomperi, J. (Jani). "Predicting the treated wastewater quality utilizing optical monitoring of the activated sludge process." Doctoral thesis, Oulun yliopisto, 2018. http://urn.fi/urn:isbn:9789526221007.
Повний текст джерелаTiivistelmä Jätevedenkäsittely kohtaa tulevaisuudessa haasteita tiukentuvan lainsäädännön sekä lisääntyvän jätevesimäärän ja laatuvaihteluiden vuoksi. Lisäksi taloudellisista syistä resurssien käytön pitäisi olla mahdollisimman tehokasta. Tämän vuoksi tarvitaan uusia automaattisia monitorointivälineitä ja -menetelmiä sekä kerätyn datan älykästä käyttöä lisäämään tietoa käsittelyprosessista ja ennustamaan käsitellyn jäteveden laatua prosessin ohjauksen optimoimiseksi. Käsitellyn jäteveden laadun ennustaminen on vaikeaa, sillä monimutkainen käsittelyprosessi sisältää useita yhtäaikaisia epälineaarisia mekanismeja ja olennainen jatkuva-aikainen tieto flokkien morfologiasta puuttuu, vaikka flokkausprosessi on keskeisessä asemassa jätevedenpuhdistuksen tehokkaan toiminnan kannalta. Automaattisen optisen monitoroinnin avulla saadaan uutta hyödyllistä tietoa jätevedestä jatkuva-aikaisesti, nopeasti, objektiivisesti ja vähäisellä työpanoksella. Tämän tutkimustyön päätavoite oli kehittää ennustemalleja kahden täysikokoisen jätevesilaitoksen käsitellyn jäteveden laatuparametreille hyödyntäen automaattista optista monitorointia. Malleissa käytettiin vain prosessin alkuosan mittauksia, jotta malleilla olisi todellinen kyky ennakoida käsitellyn jäteveden laatu. Mallien optimaaliset tulomuuttujat etsittiin muuttujavalinta-algoritmeilla. Tutkimus näyttää myös, miten prosessimittausten ja optisen monitoroinnin muuttujien hyödyntäminen yhdessä ja erikseen vaikuttaa mallien tarkkuuteen. Optisen monitoroinnin hyödyntäminen yhdessä prosessimittausten kanssa mahdollistaa käsitellyn jäteveden laadun ennustamisen vaihtelevissa olosuhteissa sekä teollisessa että kunnallisessa jätevedenkäsittelylaitoksessa. Mallinnustarkkuus on riittävä laatuparametrien tason ja muutosten esittämiseen ja käytettäväksi apuna prosessin ohjauksessa. Tällöin jäteveden puhdistusprosessi tehostuu ja ympäristövahingot, terveysriskit ja taloudelliset menetykset voidaan minimoida
Welsh, Thomas V. "Quantitative Analysis of 3D Images Formed Using Range Compressed Holography." University of Dayton / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1512317926568769.
Повний текст джерелаFreddie, Åström, Felsberg Michael, and Lenz Reiner. "Color Persistent Anisotropic Diffusion of Images." Linköpings universitet, Datorseende, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-68999.
Повний текст джерелаOriginal Publication:Åström Freddie, Felsberg Michael and Lenz Reiner, Color Persistent Anisotropic Diffusion of Images, 2011, Image Analysis, SCIA conference, 23-27 May 2011, Ystad Sweden, 262-272.http://dx.doi.org/10.1007/978-3-642-21227-7_25Copyright: Springer
Burson, Patrick A. R. "An analysis of the impact of data errors on backorder rates in the F404 engine system." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Mar%5FBurson.pdf.
Повний текст джерелаThesis advisor(s): Robert A. Koyak, Samuel E. Buttrey. Includes bibliographical references (p. 63-64). Also available online.
Kong, Lingchao. "Modeling of Video Quality for Automatic Video Analysis and Its Applications in Wireless Camera Networks." University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1563295836742645.
Повний текст джерелаSarwary, Zahida. "The analysis of antecedents of bank-SME loyalty : professionalism, relationship quality, corporate image & switching barrier as a moderator." Thesis, Högskolan Kristianstad, Sektionen för hälsa och samhälle, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-10455.
Повний текст джерелаWilson, Jeff D. "Measuring wheat starch size distribution using image analysis and laser diffraction technology : quality of spelt wheat and its starch /." Search for this dissertation online, 2003. http://wwwlib.umi.com/cr/ksu/main.
Повний текст джерелаAlonso-Caneiro, David. "Non-invasive assessment of tear film surface quality." Thesis, Queensland University of Technology, 2010. https://eprints.qut.edu.au/41737/1/David_Alonso-Caneiro_Thesis.pdf.
Повний текст джерелаFentner, David A. "A Comparative Image Quality Analysis between Multi-Slice Computed Tomography and Cone Beam Computed Tomography for Radiation Treatment Planning Purposes." University of Toledo Health Science Campus / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=mco1372413982.
Повний текст джерелаSanja, Maksimović-Moićević. "Predlog nove mere za ocenu kvaliteta slike prilikom interpolacije i njena implementacija u računarskoj obradi signal slike." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2015. http://www.cris.uns.ac.rs/record.jsf?recordId=95429&source=NDLTD&language=en.
Повний текст джерелаOsnovni doprinos ove doktorske disertacije je razvoj algortima i sistema za objektivnu procenu vizuelnog kvaliteta slike uzimajući u obzir najvažnija moguća oštećenja kao što su zamućenje ivica (oštrina) i poremećaj prirodnog izgleda teksture objekata na slici sa jedne strane i uticaj sadržaja slike (procenta ivica u slici) na procenu kvaliteta sa druge strane. Dakle, hipoteza izneta u ovom radu je da je potreban multiparametarski pristup da bi se dobila objektivna procena kvaliteta slike koja je što približnija subjektivnoj proceni.
Jha, Piyush Kumar. "Étude de l'effet des radiations électromagnétiques pendant la congélation sur la structure de glace et la qualité des tissus des fruits et légumes." Thesis, Nantes, Ecole nationale vétérinaire, 2018. http://www.theses.fr/2018ONIR114F/document.
Повний текст джерелаThe objective of this study was toinvestigate the effect of innovative low energymicrowave assisted freezing (MAF) on freezing time,quality attributes (microstructure, texture, drip lossand colour) of apple and potato. MAF of apples andpotatoes was performed by applying constantmicrowave power (167 W/kg) and pulsed microwavepower (500 and 667 W/kg with 10 s pulse width and20 s pulse interval) during the freezing process. Thetemperature profile was monitored during thefreezing process, and the microstructure wasexamined using X-ray tomography and cryo-SEMtechniques. Other quality parameters such astexture, drip loss and colour were evaluated afterthawing frozen sample at room temperature.Results showed that the freezing time was notaffected by the MAF process. The application ofmicrowaves during freezing process producedsuperior microstructure than the control sample; MAFsignificantly reduced the mean ice crystal size inapple and potato sample. Moreover, MAF of appleand potato resulted in a lower drip loss, meanwhile,it also led to a lower reduction in firmness/hardnessand Young's modulus value if compared to controlsample. The colour was not significantly influencedby MAF. Among all the tested freezing conditions, the667 W/kg pulsed microwave condition yielded thebest result in terms of reduction in ice crystals sizeand retention of other quality parameters. Lastly,these results indicate that the application ofmicrowave during freezing would result in higherquality frozen products
Zimmer, Veronika Anne. "Image similarity for registration and manifold learning: application to brain analysis." Doctoral thesis, Universitat Pompeu Fabra, 2017. http://hdl.handle.net/10803/402101.
Повний текст джерелаEl objetivo de esta tesis es explorar y desarrollar métodos para la comparación de imágenes en dos de las principales áreas del análisis de imagen: el registro de imágenes y manifold learning por el análisis de población. En particular, las contribuciones pueden resumirse principalmente en tres: (i) se propone una medida de similitud multimodal para el registro de imágenes usando la commutatividad del grafo Laplaciano como criterio para preservar la estructura de la imagen, (ii) la aplicación de esta medida de similitud para el registro de resonancias magnética-ultrasonido de feto, (iii) se presenta un método para un optimo kernel-based manifold learning de imágenes médicas, y (iv) se propone aprender y combinar diferentes aproximaciones de vecindarios de las imágenes por manifold learning. Los métodos desarrollados en este tesis fueron evaluados en datos sintéticos y clínicos, en particular por el análisis de imágenes cerebrales de fetos, neonatos y adultos.