Results 201 to 210 of about 36,170 (260)
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Image and Video Coding Standards
AT&T Technical Journal, 1993Most image or video applications involving transmission or storage require some form of data compression to reduce the otherwise inordinate demand on bandwidth and storage. Compatibility among different applications and manufacturers is very desirable, and often essential. This paper describes several standard compression algorithms developed in recent
Rangarajan Aravind +5 more
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Efficient quadtree coding of images and video
IEEE Transactions on Image Processing, 1991The quadtree data structure is commonly used in image coding to decompose an image into separate spatial regions to adaptively identify the type of quantizer used in various regions of an image. The authors describe the theory needed to construct quadtree data structures that optimally allocate rate, given a set of quantizers.
G J, Sullivan, R L, Baker
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Image and Video Coding Standards
2017In this chapter, the state-of-the-art 2D and 3D image and video compression standards are described. The H.265/HEVC is the most recent transform-based video coding standard developed by the Joint Collaborative Team on Video Coding (JCT-VC). It provides a significantly improved compression performance relative to its predecessor H.264/AVC standard ...
Luís Filipe Rosário Lucas +4 more
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Quadtree Optimization for Image and Video Coding
Journal of VLSI signal processing systems for signal, image and video technology, 1997The optimal design of quadtree-based codecs is addressed. Until now, work in this area has focused on the optimization of the quadtree structure for a given set of leaf quantizers while neglecting the design of the quantizers themselves. In cases where the leaf quantizers have been considered, codebooks have been optimized without regard to the ...
Michael Lightstone, Sanjit K. Mitra
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Data Hiding for Image and Video Coding
2006Chapter ...
P. Campisi, PIVA, ALESSANDRO
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Fractal-Based Image and Video Coding
1996This chapter reviews the theoretical foundations and implementation issues of fractal-based image coding methods. The concepts of fractals, iterated function systems, and local iterated function systems are discussed and different implementations of compression of both still images and image sequences are reviewed.
Mohammad Gharavi-Alkhansari +1 more
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Coding Video Data, Audio Data, and Images
2019The tremendous technical progress made in recent years means that we can now take amazingly high-quality photos and video recordings with commercially available smartphones. And this, in turn, has opened up new opportunities for empirical research and the areas of field research and educational research in particular.
Udo Kuckartz, Stefan Rädiker
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Multiple description image and video coding for wireless channels
Signal Processing: Image Communication, 2003no ...
Pereira, Manuela +2 more
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Domain-based multiple description coding of images and video
IEEE Transactions on Image Processing, 2002In this paper, we present a method of creating domain-based multiple descriptions of images and video. These descriptions are created by partitioning the transform domain of the signal into sets whose points are maximally separated from each other. This property enables simple error concealment methods to produce good estimates of lost signal samples ...
Ivan V, Bajic, John W, Woods
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