135 search results - page 7 / 27 » The Domain of Orthogonal Transforms and the Understanding of... |
ISW
2000
Springer
13 years 11 months ago
2000
Springer
Generally, low frequency domain may be useful to embed a watermark in an image. However, if a watermark is embedded into low frequency components, blocking effects may occur in the...
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
In this paper, we propose a novel feature extraction method for face recognition. This method is based on Discrete Cosine Transform (DCT), Energy Probability (EP), and Linear Disc...
ICIAP
2007
ACM
14 years 7 months ago
2007
ACM
In this paper, we propose novel blur and similarity transform (i.e. rotation, scaling and translation) invariant features for the recognition of objects in images. The features ar...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
In this paper, we adopt local Fourier transform as a texture representation scheme and derive eight characteristic maps for describing different aspects of co-occurrence relations...
CVPR
2008
IEEE
14 years 9 months ago
2008
IEEE
We perform shape matching by transforming the problem of establishing shape correspondences into an image registration problem. At each vertex on the shape, we calculate a shape f...