112 search results - page 10 / 23 » An Improved Fast Feature-Based Block Motion Estimation |
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...
VLBV
2005
Springer
14 years 1 months ago
2005
Springer
A technique for performing progressive mesh-based motion estimation in a layered fashion is presented. Motion compensation based on image warping provides a block prediction free ...
MTA
2007
13 years 7 months ago
2007
In this paper, we proposed an improved “bottom-up” variable-size block matching method. Different from previous work, the proposed method does not need any threshold during th...
ICIP
2004
IEEE
14 years 9 months ago
2004
IEEE
Multi-frame motion estimation is a novel technique to improve the video coding efficiency. However, the computational complexity in motion search is usually a bottleneck in the vi...
TIP
1998
13 years 7 months ago
1998
—We propose novel discrete cosine transform (DCT) pseudophase techniques to estimate shift/delay between two onedimensional (1-D) signals directly from their DCT coefficients by...