45 search results - page 4 / 9 » New image-quality measure based on wavelets |
116
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CAGD
2005
14 years 9 months ago
2005
We propose a new wavelet compression algorithm based on the rate-distortion optimization for densely sampled triangular meshes. Exploiting the normal remesher of Guskov et al., th...
SSIAI
2000
IEEE
15 years 1 months ago
2000
IEEE
In this paper we propose a new approach to shape recognition based on the wavelet transform modulus maxima. And apply it to the problem of content-based indexing and retrieval of ...
125
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MMSEC
2006
ACM
15 years 3 months ago
2006
ACM
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...
TIFS
2008
14 years 9 months ago
2008
The various image-processing stages in a digital camera pipeline leave telltale footprints, which can be exploited as forensic signatures. These footprints consist of pixel defects...
100
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ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
This paper presents a new wavelet based retrieval approach based on Spherically Invariant Random Vector (SIRV) modeling of wavelet subbands. Under this multivariate model, wavelet...