Title :
A rate-distortion approach to wavelet-based encoding of predictive error frames
Author :
Asbun, Eduardo ; Salama, Paul ; Delp, Edward J.
Author_Institution :
Sch. of Electr. Eng., Purdue Univ., West Lafayette, IN, USA
fDate :
6/22/1905 12:00:00 AM
Abstract :
We develop a framework for efficiently encoding predictive error frames (PEF) as part of a rate scalable, wavelet-based video compression algorithm. We investigate the use of rate-distortion analysis to determine the significance of coefficients in the wavelet decomposition. Based on this analysis, we allocate the bit budget assigned to a PEF to the coefficients that yield the largest reduction in distortion, while maintaining the embedded and rate scalable properties of our video compression algorithm
Keywords :
data compression; motion compensation; rate distortion theory; transform coding; video coding; wavelet transforms; bit budget allocation; predictive error frames; rate scalable properties; rate-distortion analysis; video compression; wavelet decomposition; wavelet-based encoding; Computer errors; Decoding; Encoding; Image coding; Rate-distortion; Redundancy; Scalability; Transform coding; Video compression; Wavelet analysis;
Conference_Titel :
Image Processing, 2000. Proceedings. 2000 International Conference on
Print_ISBN :
0-7803-6297-7
DOI :
10.1109/ICIP.2000.899318
