Title :
Motion vector composition algorithm for spatial scalability in compressed video
Author :
Chen, Mei-Juan ; Chu, Ming-Chung ; Lo, Sen-Yi
Author_Institution :
Dept. of Electr. Eng., Nat. Dong-Hwa Univ., Taiwan
Abstract :
This paper proposes a new algorithm to estimate the motion vector of the reduced low-resolution video by only using the original motion vectors and discrete cosine coefficients in the compressed bitstream. Higher quality and lower complexity are achieved
Keywords :
data compression; discrete cosine transforms; image resolution; motion estimation; transform coding; video coding; DC coefficients; complexity; compressed bitstream; compressed video; motion vector composition algorithm; quality; reduced low-resolution video; spatial scalability; Computer aided instruction; Decoding; Discrete cosine transforms; Equations; Motion estimation; Scalability; Transcoding; Video compression; Video on demand; Videoconference;
Conference_Titel :
Consumer Electronics, 2001. ICCE. International Conference on
Conference_Location :
Los Angeles, CA
Print_ISBN :
0-7803-6622-0
DOI :
10.1109/ICCE.2001.935201
