756 search results - page 2 / 152 » Quantization of Sparse Representations |
ICIP
2009
IEEE
13 years 2 months ago
2009
IEEE
In this paper we describe a robust watermarking scheme for image tampering identification and localization. A compact representation of the image is first produced by assembling a...
ICIP
2009
IEEE
14 years 6 months ago
2009
IEEE
We propose a new color de-quantizing method for paletted images based on maximizing the sparseness of the overcomplete wavelet analysis of the estimation within the consistency se...
ICCV
2005
IEEE
14 years 7 months ago
2005
IEEE
Example-based learning of codes that statistically encode general image classes is of vital importance for computational vision. Recently, non-negative matrix factorization (NMF) ...
KDD
2009
ACM
14 years 5 months ago
2009
ACM
The Drosophila gene expression pattern images document the spatial and temporal dynamics of gene expression and they are valuable tools for explicating the gene functions, interac...
CORR
2010
Springer
13 years 2 months ago
2010
Springer
Scalar quantization is the most practical and straightforward approach to signal quantization. However, it has been shown that scalar quantization of oversampled or Compressively ...