Báo cáo hóa học: "H 264/AVC Video Compressed Traces: Multifractal and Fractal Analysis" potx

... 75217, Pages 1–13 DOI 10.1155/ASP/2006/75217 H .264/AVC Video Compressed Traces: Multifractal and Fractal Analysis Irini Reljin, 1 Andreja Sam ˘ covi ´ c, 2 and Branimir Reljin 1 1 Faculty of Electrical ... long video traces encoded according to H .264/AVC were analyzed from the fractal and multifractal points of view. It was shown that such video traces, as compres...

Ngày tải lên: 22/06/2014, 23:20

... TECHNIQUE In a typical video distribution scenario, video content is cap- tured, then immediately compressed and stored on a l ocal network. At this stage, compression efficiency of the video signal is ... Hadjinicolaou, and A. Krikelis, “Full interac- tive functions in MPEG-based video on demand systems,” in Recent Advances in Circuits, Systems and Signal Processing Bo ok Serie...

Ngày tải lên: 22/06/2014, 22:20

... Programme grant (063058/ Z/00/Z) and National Institutes of Health grant 1U01Al065869 to LMR and JML and a British Biotechnology Science Research Council grant and EU grant QLK 2002 01699 to ... membrane of host cell [49]. SV40 binds the ganglioside GM1 and Py binds the gangliosides and GD1a and GT1b. In some cells, SV40 enters via caveolae and infection is inhibited by cave...

Ngày tải lên: 20/06/2014, 01:20

... Sorensen and Andersen [5] also used the SS method in combination with speech presence detection. Soon and Koh [6] a nd Ding et al. [7] treated audio signals as graphics and applied 2D and 1D Wiener ... F m,p,0 ). (10) Then, ˆ A m+1,0 , ˆ f m+1,0 ,and ˆ φ m+1,0 are set to ˆ A m,q , ˆ f m,p , and ˆ φ m,p , and q and p are reset to 1. Next, the steepest descent method and the a...

Ngày tải lên: 20/06/2014, 22:20

... calculate the mean variance and the covariance of random variables q x and q y .Asanillustrativeexample, we chose x = 1andy = 3, and 100 values were gen- erated for each random variable. The corresponding ... sufficient to consider two optimal arbitrary locations x and y, and the values of the two random estimates q x and q y , respectively, along with the random noise vector w,whic...

Ngày tải lên: 22/06/2014, 19:20

... high-definition DVD and digital video broadcasting for handheld devices and high-definition television systems, have adopted H.264 or its modified versions as the video coding standard. In ad- dition, ... ad- dition, the extensions of H .264/AVC to scalable and mul- tiview video coding applications are nearly finalized. Many video services, especially bandwidth-limited wireless vi...

Ngày tải lên: 22/06/2014, 23:20

... consistent video quality compared with that of existing H .264/AVC rate control scheme. V A. Nguyen and Y P. Tan 15 [2] A. Vetro, C. Christopoulos, and H. Sun, Video transcoding architectures and techniques: ... Video coding with H .264/AVC: tools, perfor m ance, and complexity,” IEEE Cir- cuits and Systems Magazine, vol. 4, no. 1, pp. 7–28, 2004. [10] V A. Nguyen and Y P. Ta...

Ngày tải lên: 22/06/2014, 23:20

... computer engineering and with dis- tinction. He received his M.S. and Ph.D. de- grees from University of Essex, UK, in com- puter and information networks (2000) and layered image and video wireless ... at 4i2i Communications in Aberdeen, Scotland. His research interests include reliable image and video transmis- sion, advanced multimedia codecs, and video tr anscoding. B....

Ngày tải lên: 22/06/2014, 23:20

... contrast preservation) and Sigma 16, the proposed method with a = -1 (local contrast enhancement) and (g) Sigma 4, (h) Sigma 8, (i) Sigma 16. Tsai and Chou EURASIP Journal on Image and Video Processing ... YC b C r color space. Tsai and Chou EURASIP Journal on Image and Video Processing 2011, 2011:6 http://jivp.eurasipjournals.com/content/2011/1/6 Page 9 of 19 the mean of stan...

Ngày tải lên: 20/06/2014, 22:20

... Introduction The H .264/AVC [1] video coding standard provides higher coding efficiency and stronger network adapta- tion capability in comparison with all the previously developed video coding standard s. ... us use I u r and P v r to denote the two new modes, respec- tively, with r standing for redundant coding, u repre- senting the candidate QP value in the intra redundant coding...

Ngày tải lên: 20/06/2014, 22:20