TY - GEN
T1 - A new fast motion estimation for H.264 based on motion continuity hypothesis
AU - Juhua, Pu
AU - Zhang, Xiong
AU - Ni, Lionel M.
PY - 2006
Y1 - 2006
N2 - H.264 video standard, in spite of its high quality, is too time-consuming for widespread acceptance in video applications, mainly due to its computationally complex motion estimation (ME). To reduce this complexity, we propose motion continuity hypothesis, which means that all motion vectors (MVs) of a block are usually located in a small area. This area is formalized as modified valid region (MVR), an improved version of valid region which is proposed by the present authors in a previous paper. Then, this paper develops a new fast ME algorithm for H.264, called MVR-based fast ME (MVRF), which searches only a much smaller area in reference frames(RFs) for motion estimation than full search H.264 does, so it reduces up to 43% search pixels. MVRF is so deliberately chosen that on average, up to 98% MVs determined by MVRF coincide with those by full search H.264, therefore keeping the recovery quality and bit-rate almost the same as those of full search H.264.
AB - H.264 video standard, in spite of its high quality, is too time-consuming for widespread acceptance in video applications, mainly due to its computationally complex motion estimation (ME). To reduce this complexity, we propose motion continuity hypothesis, which means that all motion vectors (MVs) of a block are usually located in a small area. This area is formalized as modified valid region (MVR), an improved version of valid region which is proposed by the present authors in a previous paper. Then, this paper develops a new fast ME algorithm for H.264, called MVR-based fast ME (MVRF), which searches only a much smaller area in reference frames(RFs) for motion estimation than full search H.264 does, so it reduces up to 43% search pixels. MVRF is so deliberately chosen that on average, up to 98% MVs determined by MVRF coincide with those by full search H.264, therefore keeping the recovery quality and bit-rate almost the same as those of full search H.264.
UR - https://www.scopus.com/pages/publications/33845266264
M3 - Conference Paper published in a book
AN - SCOPUS:33845266264
SN - 3540487662
SN - 9783540487661
T3 - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
SP - 468
EP - 476
BT - Advances in Multimedia Information Processing - PCM 2006
PB - Springer Verlag
T2 - PCM 2006: 7th Pacific Rim Conference on Multimedia
Y2 - 2 November 2006 through 4 November 2006
ER -