Advanced Video Coding: Principles and Techniques, Volume 7: by K.N. Ngan, T. Meier, D. Chai PDF

By K.N. Ngan, T. Meier, D. Chai

ISBN-10: 044482667X

ISBN-13: 9780444826671

Lately, the paradigm of video coding has shifted from that of a frame-based method of a content-based method, relatively with the finalization of the ISO multimedia coding normal, MPEG-4. MPEG-4 is the rising general for the coding of multimedia content material. It defines a syntax for a suite of content-based functionalities, particularly, content-based interactivity, compression and common entry. besides the fact that, it doesn't specify how the video content material is to be generated. To generate the video content material, video should be segmented into video gadgets and tracked as they transverse around the video frames. This e-book addresses the tough challenge of video segmentation, and the extraction and monitoring of video item planes as outlined in MPEG-4. It then makes a speciality of the categorical factor of face segmentation and coding as utilized to videoconferencing as a way to increase the standard of videoconferencing pictures specifically within the facial zone.
Modal-based coding is a content-based coding strategy used to code man made items that experience turn into a major a part of video content material. It leads to super low bit premiums simply because merely the parameters had to characterize the modal are transmitted. Model-based coding is incorporated to supply history info for the factitious item coding in MPEG-4. finally, MPEG-4, the 1st coding average for multimedia content material is defined intimately. the subjects lined comprise the coding of audio items, the coding of typical and artificial video gadgets, and blunder resilience.
Advanced Video Coding is without doubt one of the first books on content-based coding and MPEG-4 coding typical. It serves as a superb info resource and reference for either researchers and training engineers.

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They both have in common that they are based on a sound theory. Morphology refers to a branch of biology that is concerned with the form and structure of animals and plants. In image processing and computer vision, mathematical morphology denotes the study of topology and structure of objects from images. It is also known as a shape-oriented approach to image processing, in contrast to, for example, frequency-oriented approaches. Mathematical morphology owes a lot of its popularity to the work by Serra [56], who developed much of the early foundation.

Based on these initial regions, the watershed algorithm labels pixels in a similar fashion to region growing techniques. The separation of the feature or marker extraction step from the decision step, the watershed algorithm, is a major strength of morphological approaches. 1 Connected Operators Before discussing filters by reconstruction, we must introduce a few definitions. To this end, we closely follow the notation in [58, 60, 62]. Mathematical morphology was originally applied to binary images and was only later extended to gray-level images.

All the difficulties affecting motion estimation mentioned above suggest that the resulting motion field has to be carefully interpreted. Apparent motion alone is not well-suited for segmentation because an accurate motion field is required. Thus, it seems to be inevitable that additional information such as color or intensity must be included to accurately and reliably detect boundaries of moving objects. 5. 10: Illustration of the occlusion problem. ~ in (a) uncovered background and (b) background to be covered.

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Advanced Video Coding: Principles and Techniques, Volume 7: The Content-based Approach by K.N. Ngan, T. Meier, D. Chai


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