Study on fast algorithms for motion compensation in compressed domain
YU Song-y · Tv Engineering · 2003
Fast algorithms for motion compensation in compressed domain are studied in this paper stressing especially on an efficient algorithm based on the information in common within the macroblocks and reference blocks from the mathemati-cal expression point of view.Furthermore the algorithm using DCT matrix factorization by Neri Merhav is introduced in order to save more computation.Results show that this algorithm compared with the DCT matrix factorization fast algorithm has the improvement of26.5%in terms of computation efficiency while keeping the image quality non-degraded.