4546 search results - page 642 / 910 » Detection of image stretching |
146
click to vote
ICIP
2007
IEEE
16 years 8 months ago
2007
IEEE
This paper presents a composite blind digital watermarking technique, CompMark, to hide a visually meaningful grayscale logo in a host image. The multi-resolution fusion principle...
180
click to vote
ICIP
2005
IEEE
16 years 8 months ago
2005
IEEE
We introduce a set theoretic framework for watermarking and illustrate its effectiveness by designing a hierarchical semi-fragile watermark that is tolerant to compression and all...
192
click to vote
ICIP
2000
IEEE
16 years 8 months ago
2000
IEEE
An important topic in face recognition as well as in video coding or multi-modal human machine interfaces is the automatic localization of faces or headand-shoulder regions in vis...
208
click to vote
ICIP
2000
IEEE
16 years 8 months ago
2000
IEEE
This paper introduces a simple criterion to select the most important level lines from the numerous set obtained with a topographic map. A topographic map gives a morphological an...
169
click to vote
ICIP
1999
IEEE
16 years 8 months ago
1999
IEEE
In this paper, we propose an approach for construction of a projective 3D voxel space based on epipolar geometry obtained with weak calibration. This concept of voxel space define...