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handbook of image and video processing by alan c bovik pdf

MULTIMEDIA IMAGE and VIDEO PROCESSING

MULTIMEDIA IMAGE and VIDEO PROCESSING

Điện - Điện tử

... tools into the scope of a video standard, and hence bridges computer graphics and image processing. ©2001 CRC Press LLC by a collaborative phase. During the competitive phase, a call for proposals ... vectors (commonlyavailable in compressed video bitstreams) form a useful descriptor for motion characteristics of a video clip. MPEG-7 also uses the concept of description scheme (DS), which ... GuanSun-Yuan KungJan Larsen ©2001 CRC Press LLCMULTIMEDIA IMAGE and VIDEO PROCESSING © 2001 by CRC Press LLCThe computation burden can be reduced by using fixed point instead of floating point op-erations...
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kehtarmavaz, gamadia  -  real - time image and video processing  -  from research to reality

kehtarmavaz, gamadia - real - time image and video processing - from research to reality

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... processing of image data in digital form by adigital computer, occurred in 1957 with the first picture scanner attached to the National Bureau of Standards Electronic Automatic Computer (SEAC), ... Signal Processing Sense 81.4.4 Misinterpretation of Concept of Real-time 81.4.5 Challenges in Real-time Image/ Video Processing 91.5 Historical Perspective 91.5.1 History of Image/ Video Processing ... video object segmentation using MPEG-encoded video sequences. The use of these featuresallowed the construction of a feature vector that succinctly captured the frequency-temporal characteristics of...
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jayanta mukhopadhyay  -  image and video processing in the compressed domain

jayanta mukhopadhyay - image and video processing in the compressed domain

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... : Basic steps in processing with compressed images.with the DCT c oefficients of the image and produce the DCT coefficients of the processed images. In this case, though there are overheads of entropydecoding ... of the block. The rest of the coefficients for all other frequency components areknown as AC coefficients. Usually, DC coefficients of neighboring blocks arehighly correlated. That is why these coefficients ... 42xi© 2011 by Taylor and Francis Group, LLC Image and Video Compression: An Overview 7InputCompressed Image Decompression Processing in SpatialDomainCompressionOutputCompressed Image Figure...
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Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2010, Article ID doc

Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2010, Article ID doc

Hóa học - Dầu khí

... object-based detection is already chal-lenging on its own, especially with respect to correct and consistent object detection and its correct detection behaviorwhen scene and light changes occur. ... camera, which includeslens control, exposure control of the sensor, and gaincontrol of the image processing chain. We will apply theconcept of a recursive control proposed in previous section,intended ... intelligent processing in the camera can consideronly important scene parts, based on statistical measures of “contrast” and “focus”, face and skin-tones, object-baseddetection and tracking, and so...
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Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2010, Article ID potx

Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2010, Article ID potx

Hóa học - Dầu khí

... M.Arnold,A.Ghosh,G.Lacey,S.Patchett,andH.Mulcahy,“Indistinct frame detection in colonoscopy videos,” in Pro-ceedings of the 13th International Machine Vision and Image Processing Conference (IMVIP ’09), ... detection of lesions [42]. Consequently, removal of these artefacts is of high importance both from the clinical and the technical perspect ives.4 EURASIP Journal on Image and Video Processing (a) ... theappendix, (b) Colonoscopic image with specularity and colour channel misalignment due to sequential RGB endoscopic system, (c) Colonoscopic image showing a colonic polyp.Figure 2: Example...
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Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2011, Article ID docx

Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2011, Article ID docx

Hóa học - Dầu khí

... rejection ratio (1–0.65η),that is specialized in rejecting context-speci c clutter and distractors. The threshold η canbechosenaccordingtotheclassification complexity of the visual context and ... Gunes, and M. Piccardi, “Head detectionfor video surveillance based on categorical hair and skincolour models,” in Proceedings of the 16th IEEE InternationalConference on Image Processing (ICIP ... Proceedings of the IEEE ComputerSociety Conference on Computer Vision and Pattern Recognition(CVPR’99), vol. 2, pp. 160–166, June 1999.[36] R. Cucchiara, C. Grana, M. Piccardi, and A. Prati, “Detectingmoving...
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Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2011, Article ID potx

Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2011, Article ID potx

Hóa học - Dầu khí

... number of examined faces. PR is theratio of the number of correctly classifying a face image asa face image and nonface image as nonface image to thetotal number of images evaluated. TP indicates ... under occlusion by integrating face and person detectors,” in Proceedings of the 3rd InternationalConference on Advances in Biometrics (ICB ’09), vol. 5558 of Lecture Notes in Computer Science, ... 100Number of featuresCoLBP c = 1CoLBP c = 2CoLBP c = 3CoLBP c = 4CoLBP Features performanceFigure 8: Training error for different number of co-occurredfeatures.The feature extraction of the CoLBP...
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Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2011, Article ID pot

Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2011, Article ID pot

Hóa học - Dầu khí

... McCahill and C. Norris, Urbaneye: CCTV in London,Centre for Criminology and Criminal Justice, University of Hull, UK, 2002.[2] G.Francisco,S.Roberts,K.Hanna,andJ.Heubusch,“Criticalinfrastructure ... still images and video sequences. It can be further classified into t hree categories:still image to still image matching, video sequence to video sequence matching, and still image to video ... index of the n c samples of image set c; theaffine hull that represents the images set is modelledasH c =x = μ c + U c v c ,μ c =1n c n c k=1xck,(8)where U c is the set of eigenvectors...
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báo cáo hóa học:

báo cáo hóa học:" Editorial Image and Video Processing for Cultural Heritage Vincent Charvillat,1 Anna Tonazzini (EURASIP Member),2 Luc Van Gool,3, 4 and Nikos Nikolaidis (EURASIP Member)5 1 IRIT," potx

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... document repository can beenriched w ith new content descriptors by its curators, and generic users can access and browse the document center,searching the structured information in the descriptors ... light a brickworkroom for food maintenance, a furnace, and the basement of a wing of the castle, exactly in correspondence with theanomaly sources detected by the geoelectric inspection.The ... topics, such as high-resolution 2D and 3D digital capture and rendering of artworks, digital restoration, enhancement, recognition, and classification of features, structures and content in culturalheritage...
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Báo cáo hóa học:

Báo cáo hóa học: " Review Article Overview on Selective Encryption of Image and Video: Challenges and Perspectives doc

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... number of CCPsencrypted. (c) Cryptographic security: iterative encryption of CCPsmay give a hint for side channel attacks (e.g., timingattack).(d) Encryption ratio: depends on the number of CCPsencrypted.(e) ... isachieved. Indeed, most of the image energy isconcentrated in DC coefficients, thus, encryptingthem affects considerably the image content. (c) Cryptographic security: vulnerable to chosen and known ... “Performance study of a selec-tive encryption scheme for the security of networked, real-time video, ” in Proceedings of the 4th International Conferenceon Computer Communications and Networks (ICCCN...
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