1987 search results - page 49 / 398 » Directional filtering transform |
111
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DCC
2002
IEEE
16 years 2 months ago
2002
IEEE
On-line adaptation to nonstationary distributions is essential to good performance in image coding. Fixed-size contexts (with adaptive tables) are also widely used, in conjunction...
107
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DICTA
2003
15 years 3 months ago
2003
Abstract. In this paper, we propose a watermarking scheme for the image ownership verification in terms of a private key pattern and wavelet filters. The watermarking is mainly ach...
140
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CVPR
2009
IEEE
16 years 9 months ago
2009
IEEE
Several recently-proposed architectures for highperformance
object recognition are composed of two main
stages: a feature extraction stage that extracts locallyinvariant
feature...
122
Voted
CORR
2010
Springer
15 years 2 months ago
2010
Springer
In this paper we characterize and construct novel oversampled filter banks implementing fusion frames. A fusion frame is a sequence of orthogonal projection operators whose sum can...
117
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ICPR
2006
IEEE
16 years 3 months ago
2006
IEEE
Texture boundaries or edges are useful information for segmenting a texture image. We propose a texture edge detection algorithm using a bank of 1-D multi-channel, multiresolution...