Title :
A novel rate-control model-aided hybrid coding
Author :
Xiaohui, Yang ; Zhongke, Li ; Lenan, Wu
Author_Institution :
Dept. of Radio Eng., Southeast Univ., Nanjing, China
Abstract :
A novel rate-controllable model-aided hybrid codec is proposed in this paper, which is more adaptive with the controllable frame-rate. We also proposed a new self-adaptable merging algorithm to improve the subjective quality of the synthetic B-frame (bi-direction prediction frame) image. The use of P-frame (prediction frame) and B-frame enhances the video compression ratio, and an affine transform makes the synthesis algorithm fast and easy. The high efficiency of this codec was demonstrated in two experiments.
Keywords :
data compression; image sequences; motion estimation; video codecs; video coding; P-frame image; affine transform; affine-transform; bi-direction prediction frame; hybrid codec; image synthesis; motion estimation; rate-control model-aided hybrid coding; self-adaptable merging algorithm; subjective quality; synthesis algorithm; synthetic B-frame image; video compression; Codecs; Decoding; Financial advantage program; Image coding; Image generation; Image sequences; Motion estimation; Network synthesis; Streaming media; Video compression;
Conference_Titel :
Signal Processing, 2002 6th International Conference on
Print_ISBN :
0-7803-7488-6
DOI :
10.1109/ICOSP.2002.1181137
