104 search results - page 12 / 21 » Detection of LSB Steganography based on Image Smoothness |
CIVR
2009
Springer
15 years 6 months ago
2009
Springer
Movies segmentation into semantically correlated units is a quite tedious task due to ”semantic gap”. Low-level features do not provide useful information about the semantical...
PRL
2002
14 years 11 months ago
2002
This paper proposes a wavelet based edge detection scheme by scale multiplication. The dyadic wavelet transforms at two adjacent scales are multiplied as a product function to mag...
ACIVS
2006
Springer
15 years 5 months ago
2006
Springer
A new general framework for shape extraction is presented, based on the paradigm of water flow. The mechanism embodies the fluidity of water and hence can detect complex shapes. A ...
ICIP
2002
IEEE
16 years 1 months ago
2002
IEEE
The purpose of this paper is to introduce a fast automated whitenoise estimation method which gives reliable estimates in images with smooth and textured areas. This method is a b...
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ICIAR
2004
Springer
15 years 5 months ago
2004
Springer
We present a multidimensional histogram method to inspect tonality on colour textured surfaces, e.g. ceramic tiles. Comparison in the noise dominated chromatic channels is error pr...