Results 271 to 280 of about 280,038 (332)

Video prediction based on temporal aggregation and recurrent propagation for surveillance videos. [PDF]

MethodsX
P MP, K U.
europepmc   +1 more source

Hidden misinformation in YouTube short videos on syphilis: A mixed-methods study. [PDF]

PEC Innov
Furukawa E, Okuhara T, Ito S, Shirabe R, Okada H, Kiuchi T.   +5 more
europepmc   +1 more source

Scalable Distributed Video Coding as a New Scheme for Advanced Image Coding

, 2008
Mourad Ouaret, Fréderic Dufaux, Touradj Ebrahimi   +2 more
openalex   +1 more source

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Image and Video Coding Standards

AT&T Technical Journal, 1993
Most 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, Glenn L. Cash, Donald L. Duttweiler, Hsueh-Ming Hang, Barry G. Haskell, Atul Puri   +5 more
openaire   +1 more source

Efficient quadtree coding of images and video

IEEE Transactions on Image Processing, 1991
The 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
openaire   +2 more sources

Image and Video Coding Standards

2017
In 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, Eduardo Antônio Barros da Silva, Sérgio Manuel Maciel de Faria, Nuno Miguel Morais Rodrigues, Carla Liberal Pagliari   +4 more
openaire   +1 more source

Quadtree Optimization for Image and Video Coding

Journal of VLSI signal processing systems for signal, image and video technology, 1997
The 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
openaire   +1 more source

Data Hiding for Image and Video Coding

2006
Chapter ...
P. Campisi, PIVA, ALESSANDRO
openaire   +3 more sources

Fractal-Based Image and Video Coding

1996
This 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, Thomas S. Huang   +1 more
openaire   +1 more source

Coding Video Data, Audio Data, and Images

2019
The 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
openaire   +1 more source