44 search results - page 5 / 9 » Recovery of Watermarks from Distorted Images |
ICCV
2005
IEEE
14 years 9 months ago
2005
IEEE
For a large object, scanning from the air is one of the most efficient methods of obtaining 3D data. But in the case of large cultural heritage objects, there are some difficultie...
ICIP
2000
IEEE
14 years 9 months ago
2000
IEEE
The paper covers a method of allowing a client to browse an image to examine it in detail, while making it difficult to steal. It differs from invisible watermarking methods in th...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
In this paper we present a generic content-based solution targeting at authenticating image in a semi-fragile way, which integrates watermarking-based approach with signature-base...
CVPR
2011
IEEE
13 years 4 months ago
2011
IEEE
We present a simple, accurate, and flexible method to calibrate intrinsic parameters of a camera together with (possibly significant) lens distortion. This new method can work u...
3DPVT
2004
IEEE
13 years 11 months ago
2004
IEEE
In a popular visual illusion, the portrait on paper currency is folded into an M shape along vertical lines through the nose and the eyes. When this folded picture is tilted back ...