104 search results - page 13 / 21 » Detection of LSB Steganography based on Image Smoothness |
CVPR
2006
IEEE
16 years 1 months ago
2006
IEEE
In order to work well, many computer vision algorithms require that their parameters be adjusted according to the image noise level, making it an important quantity to estimate. W...
109
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ISBI
2004
IEEE
16 years 9 days ago
2004
IEEE
Wavelet-based statistical analysis methods for fMRI are able to detect brain activity without smoothing the data. Typically, the statistical inference is performed in the wavelet ...
ICASSP
2010
IEEE
14 years 11 months ago
2010
IEEE
In using image analysis to assist a driver to avoid obstacles on the road, traditional approaches rely on various detectors designed to detect different types of objects. We propo...
ICPR
2004
IEEE
16 years 21 days ago
2004
IEEE
A normalized, power-weighted averaging filter (NPF) is a very good approximation to the well-know local maximum and minimum filters along the object edges and offers noise reducti...
180
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TIP
1998
14 years 11 months ago
1998
—Relations between anisotropic diffusion and robust statistics are described in this paper. Specifically, we show that anisotropic diffusion can be seen as a robust estimation p...