335 search results - page 30 / 67 » Non-Stationarity Detection in Natural Images |
SPIEVIP
2008
15 years 2 months ago
2008
Adaptive methods are defined and experimentally studied for a two-scale edge detection process that mimics human visual perception of edges and is inspired by the parvo-cellular (...
MICCAI
1998
Springer
15 years 4 months ago
1998
Springer
A new, practical, and efficient approach is proposed for 3D vascular segmentation and bifurcation structure extraction. The method uses a combination of mathematical morphology, re...
ICIP
2001
IEEE
16 years 1 months ago
2001
IEEE
We review a memory-based buffer model of visual perception, that combines the lower and middle stages in the analysis of video. This model was originally developed for the detecti...
ICIP
2005
IEEE
16 years 1 months ago
2005
IEEE
Semi-fragile watermarking can be used to detect illegal and local manipulation of images, while being robust towards legal manipulations such as lossy compression. This paper desc...
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IWDW
2005
Springer
15 years 5 months ago
2005
Springer
Abstract. In this paper, the security of Dither Modulation Quantization Index Modulation schemes for digital images is analyzed. Both pixel and DCT coefficient quantization schemes...