Title :
Coding efficiency evaluation of RVLC codes
Author :
Xu, Liyang ; Kumar, Sunil ; Mandal, Mrinal K.
Author_Institution :
Electr. & Comput. Eng. Dept., Clarkson Univ., Potsdam, NY, USA
Abstract :
Variable length coding (VLC) has become an important part of visual compression standards such as JPEG, MPEG, and H.26x, Recently, reversible variable length coding is being used to improve the robustness against bit errors. The coding efficiency performance of different reversible VLC (RVLC) schemes depends on several factors such as source distribution, quantizer step, and codeword length distribution. In this paper, we develop a mathematical approach to calculate the efficiency of RVLC code table for coding symbols with generalized Gaussian distribution.
Keywords :
Gaussian distribution; data compression; variable length codes; video coding; Gaussian distribution; H.26x; JPEG; MPEG; codeword length distribution; coding symbols; quantizer step; reversible variable length coding; source distribution; visual compression standards; Computer errors; Degradation; Gaussian distribution; MPEG 4 Standard; Robustness; Strontium; Transform coding; USA Councils; Video compression; Wireless sensor networks;
Conference_Titel :
Circuits and Systems, 2005. 48th Midwest Symposium on
Print_ISBN :
0-7803-9197-7
DOI :
10.1109/MWSCAS.2005.1594411
