26 search results - page 1 / 6 » Compressed domain global motion estimation using the Helmhol... |
ICIP
2010
IEEE
13 years 5 months ago
2010
IEEE
Several algorithms for global motion estimation in video sequences using pixel- or block-based approaches have been published. Most known pixel-based methods lack in performance w...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Global motion estimation is an important task for various video processing techniques. The estimation itself has to be robust in presence of arbitrarily moving foreground objects....
WIAMIS
2009
IEEE
14 years 2 months ago
2009
IEEE
Global motion is estimated either in the pixel domain or in block based domain. Until now, all the approaches regarding the latter are based on fixed sized blocks while the recent...
TIP
1998
13 years 7 months ago
1998
Abstract—In this paper, we propose an optimal quadtree (QT)based motion estimator for video compression. It is optimal in the sense that for a given bit budget for encoding the d...
VLSID
2004
IEEE
14 years 7 months ago
2004
IEEE
demanding algorithm of a video encoder. It is known that about 60% ~ 80% of the total computation time is consumed for motion estimation [1]. The second is its high impact on the v...