PAMI
2007
13 years 4 months ago
2007
—This paper presents a framework to restore the 2D content printed on documents in the presence of geometric distortion and nonuniform illumination. Compared with text-based docu...
MTA
2007
13 years 4 months ago
2007
This paper addresses a geometrically invariant watermarking method for digital images. Most previous watermarking algorithms perform weakly against geometric distortions, which des...
ISW
2001
Springer
13 years 9 months ago
2001
Springer
Abstract. Watermarking stays the main technical safeguard of electronic copyright. This paper presents the first public-domain oblivious watermarking scheme for images which survi...
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
We present a forensic technique for analyzing a printed image in order to trace the originating printer. Our method, which is applicable for commonly used electrophotographic (EP)...