Title :
Universal lossy source codes for unequal code symbol costs
Author :
Uchida, Osamu ; Uyematsu, Tomohiko
Author_Institution :
Graduate Sch. of Inf. Syst., Univ. of Electro-Commun., Chofu, Japan
Abstract :
This paper presents two universal lossy source codes for unequal code symbol costs. One minimizes the cost of codeword when the maximum distortion is specified, and another minimizes the distortion when the cost per source symbol is specified. We prove that our proposed codes are asymptotically optimal for stationary ergodic sources
Keywords :
minimisation; source coding; asymptotically optimal codes; codeword cost minimisation; distortion minimisation; stationary ergodic sources; unequal code symbol costs; universal lossy source codes; Computer aided software engineering; Cost function; Decoding; Distortion measurement; Electronic mail; Equations; Information systems; Rate-distortion;
Conference_Titel :
Information Theory, 1998. Proceedings. 1998 IEEE International Symposium on
Conference_Location :
Cambridge, MA
Print_ISBN :
0-7803-5000-6
DOI :
10.1109/ISIT.1998.708766
