403 search results - page 16 / 81 » Statistics of natural image distortions |
TVCG
2008
13 years 10 months ago
2008
Quality assessment plays a crucial role in data analysis. In this paper, we present a reduced-reference approach to volume data quality assessment. Our algorithm extracts importan...
ICCV
2009
IEEE
15 years 1 months ago
2009
IEEE
Natural images are known to have scale invariant statistics. While some eariler studies have reported the kurtosis of marginal bandpass filter response distributions to be constant...
ICIP
1999
IEEE
14 years 2 months ago
1999
IEEE
This paper presents a model for watermarking and some attacks on watermarks. Given the watermarked signal, the so-called Wiener attack performs minimum mean-squared error (MMSE) es...
ICIP
2009
IEEE
13 years 7 months ago
2009
IEEE
Natural image matting is an extremely challenging image processing problem due to its ill-posed nature. It often requires skilled user interaction to aid definition of foreground ...
ICDAR
2009
IEEE
13 years 7 months ago
2009
IEEE
We present a method to detect characters on signboards in natural scene images. For many applications, both classifier with small computational cost and the efficient feature set,...