593 search results - page 14 / 119 » Nonlinear Approximation and Image Representation using Wavel... |
ICIP
2001
IEEE
15 years 11 months ago
2001
IEEE
It is well known that wavelets provide good non-linear approximation of one-dimensional (1-D) piecewise smooth functions. However, it has been shown that the use of a basis with g...
51
Voted
ICIP
2003
IEEE
15 years 11 months ago
2003
IEEE
In this work, we demonstrate examples about uses of practical image processing techniques over a new interpretation of power quality event data. Power quality event data are 1D da...
85
Voted
ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
Iterative shrinkage of sparse and redundant representations are at the heart of many state of the art denoising and deconvolution algorithms. They assume the signal is well approx...
113
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AMFG
2003
IEEE
15 years 2 months ago
2003
IEEE
In this paper, we propose the concept of Manifold of Facial Expression based on the observation that images of a subject’s facial expressions define a smooth manifold in the hig...
81
Voted
ICIP
2007
IEEE
15 years 11 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...