471 search results - page 59 / 95 » Image registration using Adaptive Polar Transform |
ICIP
1998
IEEE
13 years 12 months ago
1998
IEEE
The block-matching motion estimation algorithm using a translational motion model cannot provide acceptable image quality in low bit-rate coding. To improve coding performance, we ...
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
We present a novel directionally adaptive image interpolation based on a multiple-direction wavelet transform, called directionlets. The algorithm uses directionlets to efficient...
ICIP
2007
IEEE
14 years 9 months ago
2007
IEEE
Visual data comprises of multi-scale and inhomogeneous signals. In this paper, we exploit these characteristics and develop an adaptive data approximation technique based on a hie...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
The learning-enhanced relevance feedback has been one of the most active research areas in content-based image retrieval in recent years. However, few methods using the relevance ...
CVPR
2008
IEEE
14 years 9 months ago
2008
IEEE
In this work we construct scale invariant descriptors (SIDs) without requiring the estimation of image scale; we thereby avoid scale selection which is often unreliable. Our start...