Relevant bibliographies by topics / Printed image

Academic literature on the topic 'Printed image'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Printed image"

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Yao, Yong, Wei Hua Wang, Dong Fang Zhang, and Hong Yan Guo. "Printed Character Database Analysis Based Printed Document Examination." Applied Mechanics and Materials 411-414 (September 2013): 1260–66. http://dx.doi.org/10.4028/www.scientific.net/amm.411-414.1260.

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This paper presented a study on printed character database image analysis based printed document examination in purpose of identifying the printer which created a suspect printed document. It was composed of printed document image acquisition, image pre-processing, feature extraction and classifier. After characters are extracted and recognized in pre-processing, stroke feature sequence of each text block are calculated, and the HU moments of the sequence are also calculated. Finally, the Euclid distance classifier and MQDF classifier are used to recognize the fonts using the above two kind of font feature respectively. Experiments are carried out in a database including 40 LaserJet printers. The experimental results demonstrate the effectiveness of the proposed method.
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Liang, Zhigang, Xiangying Du, Xiaojuan Guo, Dongdong Rong, Ruiying Kang, Guangyun Mao, Jiabin Liu, and Kuncheng Li. "Comparison of dry laser printer versus paper printer in full-field digital mammography." Acta Radiologica 51, no. 3 (April 2010): 235–39. http://dx.doi.org/10.3109/02841850903485755.

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Background: Paper printers have been used to document radiological findings in some hospitals. It is critical to establish whether paper printers can achieve the same efficacy and quality as dry laser printers for full-field digital mammography (FFDM). Purpose: To compare the image quality and detection rate of dry laser printers and paper printers for FFDM. Material and Methods: Fifty-five cases (25 with single clustered microcalcifications and 30 controls) were selected by a radiologist not participating in the image review. All images were printed on film and paper by one experienced mammography technologist using the processing algorithm routinely used for our mammograms. Two radiologists evaluated hard copies from dry laser printers and paper printers for image quality and detectability of clustered microcalcifications. For the image quality comparisons, agreement between the reviewers was evaluated by means of kappa statistics. The significance of differences between both of the printers was determined using Wilcoxon's signed-rank test. The detection rate of two printing systems was evaluated using receiver operating characteristic (ROC) analysis. Results: From 110 scores (55 patients, two readers) per printer system, the following quality results were achieved for dry laser printer images: 70 (63.6%) were rated as good and 40 (36.4%) as moderate. By contrast, for the paper printer images, 25 scores (22.7%) were rated as good and 85 (77.3%) as moderate. Therefore, the image quality of the dry laser printer was superior to that achieved by the paper printer ( P=0.00). The average area-under-the-curve (Az) values for the dry laser printer and the paper printer were 0.991 and 0.805, respectively. The difference was 0.186. Results of ROC analysis showed significant difference in observer performance between the dry laser printer and paper printer ( P=0.0015). Conclusion: The performance of dry laser printers is superior to that of paper printers. Paper printers should not be used in FFDM.
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Zhang, Runzhe, Yi Yang, Eric Maggard, Yousun Bang, Minki Cho, and Jan Allebach. "A comprehensive system for analyzing the presence of print quality defects." Electronic Imaging 2020, no. 9 (January 26, 2020): 314–1. http://dx.doi.org/10.2352/issn.2470-1173.2020.9.iqsp-314.

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Print quality (PQ) is most important in the printing industry. It plays a role in users’ satisfaction with their products. Page quality will be degraded when there are print quality defects on the printed page, which could be caused by the electrophotographic printer (EP) process and associated print mechanism. To identify the print quality issue, customers have to consult a printer user manual or contact customer service to describe the problems. In this paper, we propose a comprehensive system to analyze the printed page automatically and extract the important defect features to determine the type and severity of defects on the scanned page. This system incorporates many of our previous works. The input of this system is the master digital image and the scanned image of the printed page. The comprehensive system includes three modules: the region of interest (ROI) extraction module, the scanned image pre-processing module (image alignment and color calibration procedure), and the print defect analysis module (text fading detection, color fading detection, streak detection, and banding detection). This system analyzes the scanned images based on different ROIs, and each ROI will produce a printer defect feature vector. The final output is the whole feature vector including all the ROI feature vectors of the printed page, and this feature vector will be uploaded to customer service to analyze the printer defect.
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Kuo, Chung-Feng Jeffrey, Cheng-Lin Lee, and Chung-Yang Shih. "Image database of printed fabric with repeating dot patterns part (I) – image archiving." Textile Research Journal 87, no. 17 (August 12, 2016): 2089–105. http://dx.doi.org/10.1177/0040517516663160.

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An image database of printed fabrics with repeating dot patterns was created to alleviate issues associated with management of and searches for numerous dot printed fabrics in the printing industry. The function of the database is to archive and allow retrieval of images. First, we discuss image archiving of repeating pattern-based dot printed fabrics. The color image was scanned by resolution of 200 dpi. The wavelet transformation was used to preprocess the image to obtain a scanned image 1/16 of the size of the original to be the stored image. To acquire images with repeating pattern color and repeating pattern template, the binary image of each pattern was obtained using the Sobel edge detection method and a morphological operation. Then pattern elements identical to the target pattern element were screened out. Afterwards, the centroid positions of these identical pattern elements were used to subdivide the repeating pattern color image and repeating pattern template image using a vertical vector method. Finally, the RGB 512-color histogram was used as the color feature of the dot printed fabrics, and the geometric and moment invariant feature values of the repeating pattern template image were used as the pattern feature of the dot printed fabrics. Our experimental results show that images can be acquired that are suitable for use in a dot printed fabric image database. The color and template images of the repeating patterns, which represent the image content of the printed fabrics, were obtained to create an image database of repeating pattern-based dot printed fabrics. This image database contains data on 300 printed fabrics which can be used for subsequent research on database image retrieval.
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Liu, Hao Xue, Gui Hua Cui, Min Huang, Bing Wu, and Yu Liu. "Color-Difference Threshold for Printed Images." Applied Mechanics and Materials 469 (November 2013): 236–39. http://dx.doi.org/10.4028/www.scientific.net/amm.469.236.

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Five ISO 400 images were used as test images and a method of limits psychophysical experiment was designed to test color-difference threshold in printed images. The color appearance of each original image was modified by an exponential function for CIELAB lightness and chroma, an offset function for CIELAB hue at 20 steps for each attributes respectively. The modified images and their originals were paired to form the test image pairs. The mean color differences of image pairs, ranged from 0 to 4 CIELAB units, were calculated by CIELAB color-difference formula and nearly uniformly divided into 21 grades for each attributes. The test image pairs were assessed in a CPC-8n lighting booth. 12 normal color vision observers took part in the experiment. The experimental results showed that the mean color-differences threshold for lightness, chroma and hue attributes were 1.49, 1.53 and 0.78 CIELAB units showing the threshold for hue was apparently smaller than that of lightness and chroma, and the thresholds of different images were dependent on the image content or color distribution.
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Amornraksa, Thumrongrat, and Kharittha Thongkor. "Effects of Spatial Domain Image Watermarking on Types of Printers and Printing Papers." Applied Mechanics and Materials 781 (August 2015): 564–67. http://dx.doi.org/10.4028/www.scientific.net/amm.781.564.

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This paper presents the performance investigations of the spatial domain image watermarking for camera-captured images on different types of printers and printable materials. We examine the effects of our previous watermarking method based on the modification of image pixels on three types of printers, i.e. inkjet, laser and photo printers, and four different types of printing papers, i.e. uncoated, matte, glossy and semi-glossy papers. In the experiments, the DSLR camera is used as tool to capture the printed watermarked images, while the image registration technique based on projective transformation is used to diminish the RST and perspective distortions in the captured image. The performances in terms of extracted watermark accuracy at equivalent watermarked image quality on different types of printers and printing papers are measured and compared.
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Ferreira, Anselmo, Ehsan Nowroozi, and Mauro Barni. "VIPPrint: Validating Synthetic Image Detection and Source Linking Methods on a Large Scale Dataset of Printed Documents." Journal of Imaging 7, no. 3 (March 8, 2021): 50. http://dx.doi.org/10.3390/jimaging7030050.

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The possibility of carrying out a meaningful forensic analysis on printed and scanned images plays a major role in many applications. First of all, printed documents are often associated with criminal activities, such as terrorist plans, child pornography, and even fake packages. Additionally, printing and scanning can be used to hide the traces of image manipulation or the synthetic nature of images, since the artifacts commonly found in manipulated and synthetic images are gone after the images are printed and scanned. A problem hindering research in this area is the lack of large scale reference datasets to be used for algorithm development and benchmarking. Motivated by this issue, we present a new dataset composed of a large number of synthetic and natural printed face images. To highlight the difficulties associated with the analysis of the images of the dataset, we carried out an extensive set of experiments comparing several printer attribution methods. We also verified that state-of-the-art methods to distinguish natural and synthetic face images fail when applied to print and scanned images. We envision that the availability of the new dataset and the preliminary experiments we carried out will motivate and facilitate further research in this area.
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McConnell, James, and Mari Marutani. "413 PB 060 A PRINT-ON-DEMAND SYSTEM FOR PRODUCING EDUCATIONAL AND EXTENSION MATERIALS." HortScience 29, no. 5 (May 1994): 490b—490. http://dx.doi.org/10.21273/hortsci.29.5.490b.

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A Print-On-Demand (POD) System was developed for the rapid production of educational and extension materials such as fact-sheets. Information is stored in a final format on the computer and the number of copies of a specific publication can be printed as needed. The system greatly reduces the time to having the finished product and allows any number of publications to be printed. The printing cost ranges from $.43 to $.80 per page with a 300dpi color thermal wax printer. Photo CDs and video capture images are the most common sources of color images used in the POD system. Photo CDs produce higher quality images but require time to process a film before images are used in the system. In live video capture, an image can be captured by a video camera, and sent to a computer for immediate production of a fact-sheet. Tape playback reduces the image quality compared to live video. Live video also gives the best feedback in determining whether the image shows the desired information. In general, the image is video captured at twice the needed size and reduced while increasing the resolution from 72 dpi to 130 dpi. This produces a better quality image. Other sources of pictures are flatbed scanners and slide scanners.
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McConnell, James, and Maria I. D. Pangelinan. "Producing Print-on-demand Publications for Instructional and Extension Materials." HortTechnology 8, no. 2 (April 1998): 210–20. http://dx.doi.org/10.21273/horttech.8.2.210.

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Print-on-demand (POD) publications are being produced from computer to printer to increase the diversity of printed extension and educational materials. The layouts are stored in libraries on the computer and text files and digital images are added to the layouts. Images can be edited before insertion into the layouts to enhance the image. The completed materials are stored in portable document format (PDF) on disk and are printed as needed or distributed over computer networks. Printing materials as needed greatly increases the diversity of materials and gives greater flexibility in revising publications than bulk printing.
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Hu, Sige, Daulet Kenzhebalin, Bakedu Choi, George Chiu, Zillion Lin, Davi He, and Jan Allebach. "Developing an inkjet printer III: Multibit CMY halftones to hardware-ready bits." Electronic Imaging 2020, no. 15 (January 26, 2020): 352–1. http://dx.doi.org/10.2352/issn.2470-1173.2020.15.color-351.

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Nowadays, inkjet printers are widely used all around the world. But how do they transfer the digital image to a map that can control nozzle firing? In this paper, we briefly illustrate that part of the printing pipeline that starts from a halftone image and end with Hardware Ready Bits (HRBs). We also describe the implementation of the multi-pass printing method with a designed print mask. HRBs are used to read an input halftone CMY image and output a binary map of each color to decide whether or not to eject the corresponding color drop at each pixel position. In general, for an inkjet printer, each row of the image corresponds to one specific nozzle in each swath so that each swath will be the height of the printhead [1]. To avoid visible white streaks due to clogged or burned out color nozzles, the method called multi-pass printing is implemented. Subsequently, the print mask is introduced so that we can decide during which pass each pixel should be printed.
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Dissertations / Theses on the topic "Printed image"

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遲秉壯 and Ping-chong Chee. "Hand-printed Chinese character recognition and image preprocessing." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B31213972.

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Chee, Ping-chong. "Hand-printed Chinese character recognition and image preprocessing /." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18597579.

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Banks, R. N. "Neural networks for hand-printed character recognition." Thesis, University of Nottingham, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293655.

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Kocsis, Alexandra. "The functions of texts in printed images : text and image in reproductive prints by Hieronymus Cock, Antonio Salamanca, and Antonio Lafreri." Thesis, University of Kent, 2017. https://kar.kent.ac.uk/69147/.

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This thesis provides a systematic analysis of textual frameworks in reproductive prints issued by three sixteenth-century publishers. The main purpose is to highlight the role of additional texts in the process of transmitting images by significant artists to a wide circle of audiences. The analysis of the relation between text and image in single sheet prints helps to reconsider the historical function of reproductive prints by introducing a point of view that is different from earlier scholarship. I argue that textual commentaries attached to printed images were intended to take part in the art theoretical discourse of their time. Inscriptions contextualised artistic achievements and helped to form the viewer's response to the image by commenting on the artistic significance of the picture or on the excellence of the artist. The analysis of additional texts reveals the artistic and historical consciousness inherent in the prints, especially in the case of the sheets published by Hieronymus Cock. Hence, my thesis demonstrates the special role of prints in the northern art theoretical context. The present study also considers the role of prints beyond their artistic use. The "utilitarian" function of prints is explored through case studies. The connection between the culture of love and prints is examined in the chapter on Antonio Salamanca. Examples by Hieronymus Cock and Antonio Lafreri provide a comparative perspective on religious prints in the era of the Reformation and Counter-Reformation. Through the case studies, my thesis points out how the historical context influenced the selection of quotations or the commission of contemporary texts, and touches upon the importance of the collaboration between humanists (art theoreticians and poets) and the protagonists of the print world. The comparative European perspective highlights the specific and general characteristics of the inscribed texts in the prints from Antwerp and Rome. While previous scholarship emphasised the model role of the Roman publishers, this thesis nuances the picture with the hypothesis of mutual exchange between Lafreri and Cock, indicating the correlation among prints produced for the common European market.
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Anderson, Patricia J. "The printed image and the transformation of popular culture, 1790-1860." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/29002.

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Scholarly consensus dates the onset of mass culture in England to the latter part of the nineteenth century. This study looks at cultural change from 1790 to 1860 and argues that the fundamental characteristics of a modern mass culture were already in place by about 1840. New printing technology, the growth of popular publishing, and the attendant broad dissemination of the printed word and image were central to the early initial emergence of a mass culture. And because the printed image became generally accessible and affordable, people did not necessarily need the ability to read in order to benefit from the offerings of a growing publishing industry. Thus, in a time when literacy was not universal, the printed image was the single most widely shared form of cultural experience. A new, markedly pictorial, mass culture emerged from the centre of the expanded and transformed version of an older popular culture of the late eighteenth and early nineteenth centuries. The major artifacts of the emergent culture were four illustrated magazines, all of which achieved and maintained unprecedentedly high circulations, and whose written and pictorial content attracted a large and diverse--that is, mass--audience of middle- and working-class people, men and women, from various age groups, and from urban and rural locales all over Great Britain. In considering the content of these magazines and related contemporary artifacts, their place in working-class life, and certain individual producers and consumers of culture, Gramsci's theory of hegemony proves useful and, further, raises questions about the explanatory adequacy of certain other important models of the interaction of class and culture. Additionally the attempt is made to provide, and consistently work from, historically accurate, rigourous, yet widely applicable, definitions of the complex terms, "popular" and "mass". The leitmotif throughout is the relationship of common experience and high culture. A transformed popular culture and the new mass culture at its centre enriched people's lives in many ways. But high culture guarded its exclusivism and, for the most part, remained the preserve of wealth, social privilege and power.
Arts, Faculty of
History, Department of
Graduate
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Keskinarkaus, A. (Anja). "Digital watermarking techniques for printed images." Doctoral thesis, Oulun yliopisto, 2013. http://urn.fi/urn:isbn:9789526200583.

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Abstract During the last few decades, digital watermarking techniques have gained a lot of interest. Such techniques enable hiding imperceptible information to images; information which can be extracted later from those images. As a result, digital watermarking techniques have many interesting applications for example in Internet distribution. Contents such as images are today manipulated mainly in digital form; thus, traditionally, the focus of watermarking research has been the digital domain. However, a vast amount of images will still appear in some physical format such as in books, posters or labels, and there are a number of possible applications of hidden information also in image printouts. In this case, an additional level of challenge is introduced, as the watermarking technique should be robust to extraction from printed output. In this thesis, methods are developed, where a watermarked image appears in a printout and the invisible information can be later extracted using a scanner or mobile phone camera and watermark extraction software. In these cases, the watermarking method has to be carefully designed because both the printing and capturing process cause distortions that make watermark extraction challenging. The focus of the study is on developing blind, multibit watermarking techniques, where the robustness of the algorithms is tested in an office environment, using standard office equipment. The possible effect of the background of the printed images, as well as compound attacks, are both paid particular attention to, since these are considered important in practical applications. The main objective is thus to provide technical means to achieve high robustness and to develop watermarking methods robust to printing and scanning process. A secondary objective is to develop methods where the extraction is possible with the aid of a mobile phone camera. The main contributions of the thesis are: (1) Methods to increase watermark extraction robustness with perceptual weighting; (2) Methods to robustly synchronize the extraction of a multibit message from a printout; (3) A method to encode a multibit message, utilizing directed periodic patterns and a method to decode the message after attacks; (4) A demonstrator of an interactive poster application and a key based robust and secure identification method from a printout
Tiivistelmä Digitaalinen vesileimaus on parin viime vuosikymmenen aikana runsaasti huomiota saanut tekniikka, jonka avulla kuviin voidaan piilottaa aistein havaitsematonta tietoa. Tämä tieto voidaan myöhemmin poimia esiin, minkä vuoksi sovelluskohteita esimerkiksi Internetin kautta tapahtuvassa jakelussa on useita. Perinteisesti vesileimaustekniikat keskittyvät pelkästään digitaalisessa muodossa pysyvään tietoon. Kuitenkin iso osa kuvainformaatiosta saa yhä vielä myös fyysisen muodon esimerkiksi kirjoissa, julisteissa ja etiketeissä. Myös vesileimauksella on useita sovelluskohteita painettujen kuvienkin osalta. Vesileimausta ajatellen painatus tuo kumminkin omat erityishaasteensa vesileimaustekniikoille. Tässä väitöskirjassa kehitetään menetelmiä, jotka mahdollistavat piilotetun tiedon säilymisen painetussa kuvassa. Piilotettu tieto voidaan lukea käyttämällä skanneria tai matkapuhelimen kameraa tiedon digitalisointiin. Digitalisoinnin jälkeen vesileimausohjelma osaa lukea piilotetun tiedon. Vesileimauksen osalta haasteellisuus tulee vääristymistä, joita sekä kuvien tulostus sekä digitalisointi aiheuttavat. Väitöstyössä keskitytään monibittisiin vesileimaustekniikoihin, joissa alkuperäistä kuvaa ei tarvita vesileimaa poimittaessa. Väitöstyössä kehitetyt menetelmät on testattu toimistoympäristössä standardi toimistolaitteita käyttäen. Käytännön sovelluksia ajatellen, testeissä on kiinnitetty huomiota myös yhdistelmähyökkäysten sekä painetun kuvan taustan vaikutukseen algoritmin robustisuudelle. Ensisijainen tavoite on kehittää menetelmiä, jotka kestävät printtaus ja skannaus operaation. Toinen tavoite on tiedon kestävyys luettaessa tietoa matkapuhelimen kameran avulla. Väitöskirjassa tarkastellaan ja kehitellään ratkaisuja neljälle eri osa-alueelle: (1) Ihmisaisteja mallintavien menetelmien käyttö vesileimauksen kestävyyden lisäämiseksi; (2) Robusti synkronointi luettaessa monibittistä tietoa painotuotteesta; (3) Suunnattuja jaksollisia kuvioita käyttävä menetelmä, joka mahdollistaa monibittisen tiedon koodaamisen ja dekoodaamisen hyökkäysten jälkeen; (4) Sovellustasolla tarkastellaan kahta pääsovellusta: interaktiivinen juliste sekä kestävä ja turvattu avaimen avulla tapahtuva painotuotteen identifiointi
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Kocsis, Alexandra [Verfasser]. "The Functions of Texts in Printed Images : Text and Image in Reproductive Prints by Hieronymus Cock, Antonio Salamanca, and Antonio Lafreri / Alexandra Kocsis." Berlin : Freie Universität Berlin, 2019. http://d-nb.info/1187734624/34.

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Carter, Nicholas Paul. "Automatic recognition of printed music in the context of electronic publishing." Thesis, University of Surrey, 1989. http://epubs.surrey.ac.uk/843542/.

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Computers are used to manipulate music in various forms, for example digital sound recordings, digitized images of printed scores and music representational language (M.R.L.) encodings. This work is concerned with producing M.R.L. data automatically from existing printed music scores. A review of work undertaken in the field of manipulating printed music by computer is provided. This shows that software which permits production of high-quality scores is commercially available, but the necessary data has to be entered using some form of keyboard, possibly in conjunction with a pointing device. It is desirable, for reasons detailed in this work, to be able to convert the musical information contained in the enormous quantity of existing music into computer-readable form. The only practical method for achieving this is via an automatic system. Such an automatic system must cope with the variations in format, content and print-quality of existing scores. Background material relating to previous work on pattern recognition of various types of binary image is included, with a section covering the subject of automatic recognition of printed music. An original system for automatic recognition of printed music developed by the author is described. This is designed to be widely applicable and hence is, in effect, omnifont and size-independent, with significant tolerance of noise, limited rotation, broken print and distortion. Numerous illustrations showing the application of the system are included, together with proposals for future areas of development.
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Gennetten, K. Douglas. "Color transformation modeling for printed images using interpolation based on barycentric coordinates /." Online version of thesis, 1989. http://hdl.handle.net/1850/11530.

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Briggs, Amanda. "A study of photographic images, processes and computer aided textile design." Thesis, Nottingham Trent University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388871.

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Books on the topic "Printed image"

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Graphic communications: The printed image. South Holland, Ill: Goodheart-Willcox Co., 1994.

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Graphic communications: The printed image. South Holland, Ill: Goodheart-Willcox, 1989.

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Graphic communications: The printed image. Tinley Park, Ill: Goodheart-Willcox, 1999.

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Graphic communications: The printed image. 5th ed. Tinley Park, Ill: Goodheart-Willcox Co., 2010.

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Pauline, Rohatgi, ed. Scenic splendours: India through the printed image. London: British Library, 1989.

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Kenney, Anne R. Illustrated book study: Digital conversion requirements of printed illustrations. Ithaca, NY: Cornell University Library, Dept. of Preservation and Conservation, 1999.

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Kenney, Anne R. Illustrated book study: Digital conversion requirements of printed illustrations. Ithaca, NY: Cornell University Library, Dept. of Preservation and Conservation, 1999.

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Areford, David S. The viewer and the printed image in late medieval Europe. Surrey, UK: Ashgate, 2009.

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Areford, David S. The viewer and the printed image in late medieval Europe. Farnham, England: Ashgate, 2010.

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The viewer and the printed image in late medieval Europe. Farnham, England: Ashgate, 2010.

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Book chapters on the topic "Printed image"

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Carter, Nicholas P., and Richard A. Bacon. "Automatic Recognition of Printed Music." In Structured Document Image Analysis, 456–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77281-8_21.

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Tyge, Emil, Jens J. Pallisgaard, Morten Lillethorup, Nanna G. Hjaltalin, Mary K. Thompson, and Line H. Clemmensen. "Characterizing Digital Light Processing (DLP) 3D Printed Primitives." In Image Analysis, 302–13. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19665-7_25.

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Bayer, Thomas, Jürgen Franke, Ulrich Kressel, Eberhard Mandler, Matthias Oberländer, and Jürgen Schürmann. "Towards the Understanding of Printed Documents." In Structured Document Image Analysis, 3–35. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77281-8_1.

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Cao, Huaigu, and Prem Natarajan. "Machine-Printed Character Recognition." In Handbook of Document Image Processing and Recognition, 331–58. London: Springer London, 2014. http://dx.doi.org/10.1007/978-0-85729-859-1_44.

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Eerola, Tuomas, Joni-Kristian Kämäräinen, Lasse Lensu, and Heikki Kälviäinen. "Framework for Applying Full Reference Digital Image Quality Measures to Printed Images." In Image Analysis, 99–108. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-02230-2_11.

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Sadovnikov, Albert, Petja Salmela, Lasse Lensu, Joni-Kristian Kamarainen, and Heikki Kälviäinen. "Mottling Assessment of Solid Printed Areas and Its Correlation to Perceived Uniformity." In Image Analysis, 409–18. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11499145_42.

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Amin, Adnan. "Recognition of printed and handwritten Arabic characters." In Advances in Document Image Analysis, 40–59. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/3-540-63791-5_3.

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Jaiem, Faten Kallel, Slim Kanoun, Maher Khemakhem, Haikal El Abed, and Jihain Kardoun. "Database for Arabic Printed Text Recognition Research." In Image Analysis and Processing – ICIAP 2013, 251–59. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-41181-6_26.

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Duong, Jean, Myrian Côté, and Hubert Emptoz. "Feature Approach for Printed Document Image Analysis." In Lecture Notes in Computer Science, 159–67. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-70659-3_16.

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Amin, Adnan, and Mandana Kavianifar. "Automatic recognition of printed arabic text using neural network classifier." In Image Analysis and Processing, 616–23. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/3-540-63508-4_175.

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Conference papers on the topic "Printed image"

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Vereshchagin, Vladislav, Ekaterina Pukhova, and Margarita Khokhlova. "Combination of AM and FM screening as security printed feature." In 10th International Symposium on Graphic Engineering and Design. University of Novi Sad, Faculty of technical sciences, Department of graphic engineering and design,, 2020. http://dx.doi.org/10.24867/grid-2020-p45.

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Protection of goods and packaging from counterfeiting and copying, tracking their movement requires improvement of existing labeling and security methods and the development of new ones. Making changes to the image at the prepress stage is the cheapest and easiest way of protection compared to using special printing techniques, special substrates, and inks or additional tags such as RFID. In the article, we suggest a new method to create security printed features, identify them in prints, and confirm the authenticity of the image. The method uses a combination of regular (AM) and stochastic (FM) screening in one image. There are two ways of separating images for AM and FM screening. First is to choose several random intervals in shadows of image tonal distribution and in accordance with values in these intervals original image is separated into two. The second is to separate by structure, for example, use FM screening on edges or textures. We tried Canny edge detector and local binary patterns. By using random values as the parameters, it is possible to generate unique print runs or even individual prints using digital printing. And large variability in the areas of separation gives reason to consider that the suggested method is reliable. Fourier analysis in the suggested method allows not only to detect the presence of security printed features but also to confirm the authenticity of the image on a print. Authentication is implemented by obtaining a digital image of the print by scanning or photographing and comparing the spectral composition of the original image and the digital image of the print. An expert survey showed that after our method presence of a combination of AM and FM screening in images on prints is barely visible. As a result, this method can be used to protect packaging labels with images from copying.
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Duan, Pengji, Yutong Liu, Junjun Ding, and Mingshao Zhang. "Development of Vision-Based Control System for Mobile 3D Printer." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11577.

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Abstract The 3D printing technologies can produce objects with a very complex shape or geometry nowadays thanks to the advanced researches in their precision, repeatability, material ranges, etc. The size of 3D printed objects also varies. The Oak Ridge National Lab printed a 17.5 feet long, 5.5 feet wide and 1.5 feet tall tool for Boeing that weights 1,650 lbs. On the other hand, using Two Photon Polymerization, sub-μm structures can be produced. The majority of current 3D printers design resembles the traditional FDM 3D printer. The printer is stationary during the printing period, limiting the print zone by the size of the robots, regardless as to the printer designs (Cartesian, polar, delta or articulated robots). In addition, all current 3D printers work as stand-alone equipment, which prevents the possibility of further speeding up the fabrication by using multiple collaborating 3D printers. Using mobile robots as a 3D printer could eliminate the size limit of the print zone and enable collaboration among different mobile robots to speed up the printing process. However, major problems are remaining unsolved in the current mobile 3D printer research, such as the precise localization of the robot, material slipping, accumulative printing error, etc. In this paper, a vision-based feedback control system is presented as a solution to these problems in mobile 3D printers. The system is equipped a single camera as sensory input. Using Simultaneous Localization and Mapping (SLAM) methods, the mobile 3D printer could potentially achieve sub-millimeter accuracy for localization. The slipping and accumulative error could also be mediated using image processing and object recognition. The system also enables the possibility for multiple 3D printers to work simultaneously. It is believed that mobile 3D printers equipped with vision-based feedback control system could have a great potential in the future.
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Stanley, Nicholas, Ashley Ciero, William Timms, and Rodward L. Hewlin. "Development of 3-D Printed Optically Clear Rigid Anatomical Vessels for Particle Image Velocimetry Analysis in Cardiovascular Flow." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11649.

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Abstract In recent years, blood flow analysis of diseased arterial mock vessels using particle image velocimetry (PIV) has been hampered by the inability to fabricate optically clear anatomical vessel models that realistically replicate the complex morphology of arterial vessels and provide highly resolved flow images of flow tracer particles. The aim of the present work is to introduce an approach for producing optically clear rigid anatomical models that are suitable for PIV analysis using a common 3-D SLA inkjet printing process (using a Formlabs Form 2 3-D printer) and stock clear resin (RS-F2-GPCL-04). By matching the index of refraction (IOR) of the working fluid to the stock clear resin material, and by printing the part in a 45-degree print orientation, a clear anatomical model that allows clear visualization of flow tracer particles can be produced which yields highly resolved flow images for PIV analyses. However, a 45-degree print orientation increases the need for post processing due to an increased amount of printed support material. During post processing, the part must be wet sanded in several steps and surface finished with Novus Plastic Polish 3 Step System to achieve the final surface finish needed to yield high quality flow images. The fabrication methodology of the clear anatomical models is described in detail.
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Lombardi, Jack P., Roozbeh (Ross) Salary, Darshana L. Weerawarne, Prahalada K. Rao, and Mark D. Poliks. "In-Situ Image-Based Monitoring and Closed-Loop Control of Aerosol Jet Printing." In ASME 2018 13th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/msec2018-6487.

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Aerosol jet printing (AJP) is a complex process for additive electronics that is often unstable. To overcome this instability, real-time observation and control of the printing process using image based monitoring is demonstrated. This monitoring is validated against images taken after the print and shown highly correlated and useful for determination of printed linewidth. These images and the observed linewidth are used as input for closed-loop control of the printing process, with print speed changed in response to changes in observed linewidth. Linear regression is used to relate these quantities and forms the basis of a proportional control. A test using multiple print speeds and the observed linewidths is used to set the control gain. Electrical test structures were printed with controlled and uncontrolled printing, and it was found that the control influenced their linewidth and electrical properties, giving improved uniformity in both size and electrical performance.
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Lemmer, Uli, Noah Strobel, Jonathan Lehr, Ralph Eckstein, Gerardo Hernandez-Sosa, and Tobias Rödlmeier. "From printed organic photodiodes to printed image sensors (Conference Presentation)." In Organic and Hybrid Sensors and Bioelectronics XI, edited by Ruth Shinar, Ioannis Kymissis, Luisa Torsi, and Emil J. List-Kratochvil. SPIE, 2018. http://dx.doi.org/10.1117/12.2321689.

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Zeh, C., P. Bischoff, M. Rjelka, C. Schuster, and T. Härtling. "D6.4 Monitoring Inkjet Printer Condition via Image Analysis of Printed Patterns." In SMSI 2021. AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany, 2021. http://dx.doi.org/10.5162/smsi2021/d6.4.

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Lin, Jiqiang, Takahiko Horiuchi, Keita Hirai, and Shoji Tominaga. "Color image recovery system from printed gray image." In 2014 IEEE Southwest Symposium on Image Analysis and Interpretation (SSIAI). IEEE, 2014. http://dx.doi.org/10.1109/ssiai.2014.6806024.

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Garain, Utpal, and Biswajit Halder. "On Automatic Authenticity Verification of Printed Security Documents." In Image Processing (ICVGIP). IEEE, 2008. http://dx.doi.org/10.1109/icvgip.2008.67.

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Panichkriangkrai, Chulapong, Liang Li, Keiko Suzuki, Ryo Akama, and Kozaburo Hachimura. "Character Image Database of Woodblock-Printed Japanese Historical Book Images." In 2015 International Conference on Culture and Computing (Culture Computing). IEEE, 2015. http://dx.doi.org/10.1109/culture.and.computing.2015.26.

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Schirmer, Julian, Jewgeni Roudenko, Marcus Reichenberger, Simone Neermann, and Jorg Franke. "Print Quality Assessment by Image Processing Methods for Printed Electronics Applications." In 2018 41st International Spring Seminar on Electronics Technology (ISSE). IEEE, 2018. http://dx.doi.org/10.1109/isse.2018.8443617.

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Reports on the topic "Printed image"

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Martin, Kathi, Nick Jushchyshyn, and Claire King. Christian Lacroix Evening gown c.1990. Drexel Digital Museum, 2017. http://dx.doi.org/10.17918/wq7d-mc48.

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The URL links to a website page in the Drexel Digital Museum (DDM) fashion image archive containing a 3D interactive panorama of an evening gown by French fashion designer Christian Lacroix with related text. This evening gown by Christian Lacroix is from his Fall 1990 collection. It is constructed from silk plain weave, printed with an abstract motif in the bright, deep colors of the local costumes of Lacroix's native Arles, France; and embellished with diamanté and insets of handkerchief edged silk chiffon. Ruffles of pleated silk organza in a neutral bird feather print and also finished with a handkerchief edge, accentuate the asymmetrical draping of the gown. Ruching, controlled by internal drawstrings and ties, creates volume and a slight pouf, a nod to 'le pouf' silhouette Lacroix popularized in his collection for Patou in 1986. Decorative boning on the front of the bodice reflects Lacroix's early education as a costume historian and his sartorial reinterpretation of historic corsets. It is from the private collection of Mari Shaw. The panorama is an HTML5 formatted version of an ultra-high resolution ObjectVR created from stitched tiles captured with GigaPan technology. It is representative the ongoing research of the DDM, an international, interdisciplinary group of researchers focused on production, conservation and dissemination of new media for exhibition of historic fashion.
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Tao, Yang, Amos Mizrach, Victor Alchanatis, Nachshon Shamir, and Tom Porter. Automated imaging broiler chicksexing for gender-specific and efficient production. United States Department of Agriculture, December 2014. http://dx.doi.org/10.32747/2014.7594391.bard.

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Extending the previous two years of research results (Mizarch, et al, 2012, Tao, 2011, 2012), the third year’s efforts in both Maryland and Israel were directed towards the engineering of the system. The activities included the robust chick handling and its conveyor system development, optical system improvement, online dynamic motion imaging of chicks, multi-image sequence optimal feather extraction and detection, and pattern recognition. Mechanical System Engineering The third model of the mechanical chick handling system with high-speed imaging system was built as shown in Fig. 1. This system has the improved chick holding cups and motion mechanisms that enable chicks to open wings through the view section. The mechanical system has achieved the speed of 4 chicks per second which exceeds the design specs of 3 chicks per second. In the center of the conveyor, a high-speed camera with UV sensitive optical system, shown in Fig.2, was installed that captures chick images at multiple frames (45 images and system selectable) when the chick passing through the view area. Through intensive discussions and efforts, the PIs of Maryland and ARO have created the protocol of joint hardware and software that uses sequential images of chick in its fall motion to capture opening wings and extract the optimal opening positions. This approached enables the reliable feather feature extraction in dynamic motion and pattern recognition. Improving of Chick Wing Deployment The mechanical system for chick conveying and especially the section that cause chicks to deploy their wings wide open under the fast video camera and the UV light was investigated along the third study year. As a natural behavior, chicks tend to deploy their wings as a mean of balancing their body when a sudden change in the vertical movement was applied. In the latest two years, this was achieved by causing the chicks to move in a free fall, in the earth gravity (g) along short vertical distance. The chicks have always tended to deploy their wing but not always in wide horizontal open situation. Such position is requested in order to get successful image under the video camera. Besides, the cells with checks bumped suddenly at the end of the free falling path. That caused the chicks legs to collapse inside the cells and the image of wing become bluer. For improving the movement and preventing the chick legs from collapsing, a slowing down mechanism was design and tested. This was done by installing of plastic block, that was printed in a predesign variable slope (Fig. 3) at the end of the path of falling cells (Fig.4). The cells are moving down in variable velocity according the block slope and achieve zero velocity at the end of the path. The slop was design in a way that the deacceleration become 0.8g instead the free fall gravity (g) without presence of the block. The tests showed better deployment and wider chick's wing opening as well as better balance along the movement. Design of additional sizes of block slops is under investigation. Slops that create accelerations of 0.7g, 0.9g, and variable accelerations are designed for improving movement path and images.
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Zheng, Yefeng, Huiping Li, and David Doermann. Machine Printed Text and Handwriting Identification in Noisy Document Images. Fort Belvoir, VA: Defense Technical Information Center, September 2003. http://dx.doi.org/10.21236/ada459230.

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Garris, Michael D., Stanley Janet, and William W. Klein. Impact of image quality on machine print optical character recognition. Gaithersburg, MD: National Institute of Standards and Technology, 1997. http://dx.doi.org/10.6028/nist.ir.6101.

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