170 search results - page 28 / 34 » A dual watermarking technique for images |
JMM2
2006
14 years 9 months ago
2006
In image authentication research, a common approach is to divide a given image into a number of smaller blocks, and embed a fragile watermark into each block. The modifications can...
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CVPR
2012
IEEE
13 years 17 hour ago
2012
IEEE
We introduce a method to repair an image which has been stamped by an identigram or a watermark. Our method is based on the cross-channel correlation which assures the co-occurren...
ICIP
2006
IEEE
15 years 11 months ago
2006
IEEE
The most significant bit (MSB)-plane of an image is least likely to change by the most signal processing operations. Watermarking techniques are, however, unable to exploit the MS...
CVPR
1997
IEEE
15 years 1 months ago
1997
IEEE
We describe a new method for camera autocalibration and scaled Euclidean structure and motion, from three or more views taken by a moving camera with fixed but unknown intrinsic ...
SMI
2005
IEEE
15 years 3 months ago
2005
IEEE
We propose an algorithm for contouring k-manifolds (k = 1, 2) embedded in an arbitrary n-dimensional space. We assume (n−k) geometric constraints are represented as polynomial e...