12 search results - page 1 / 3 » Very fast watermarking by reversible contrast mapping |
CORR
2007
Springer
13 years 4 months ago
2007
Springer
—Reversible contrast mapping (RCM) is a simple integer transform that applies to pairs of pixels. For some pairs of pixels, RCM is invertible, even if the least significant bits...
ITIIS
2010
2010
Reversible Watermarking Method Using Optimal Histogram Pair Shifting Based on Prediction and Sorting
13 years 3 months ago
To be reversible as a data hiding method, the original content and hidden message should be completely recovered. One important objective of this approach is to achieve high embed...
ACIVS
2008
Springer
13 years 11 months ago
2008
Springer
We propose a novel approach for estimating a depth-map from a pair of rectified stereo images degraded by blur and contrast change. At each location in image space, information is...
DSD
2003
IEEE
13 years 10 months ago
2003
IEEE
We present a novel heuristic algorithm for two-level Boolean minimization. In contrast to the other approaches, the proposed method firstly finds the coverage of the on-sets and f...
ROBOCUP
2007
Springer
13 years 11 months ago
2007
Springer
This paper presents a new approach for color segmentation, in which colors are not only mapped to unambiguous but also to ambiguous color classes. The ambiguous color classes are r...