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PAMI
2007
185views more  PAMI 2007»
9 years 28 days ago
Restoring 2D Content from Distorted Documents
—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...
Michael S. Brown, Mingxuan Sun, Ruigang Yang, Lin ...
MTA
2007
122views more  MTA 2007»
9 years 28 days ago
Geometrically invariant watermarking: synchronization through circular Hough transform
This paper addresses a geometrically invariant watermarking method for digital images. Most previous watermarking algorithms perform weakly against geometric distortions, which des...
Hae-Yeoun Lee, Choong-Hoon Lee, Heung-Kyu Lee
ISW
2001
Springer
9 years 5 months ago
Oblivious Image Watermarking Robust against Scaling and Geometric Distortions
Abstract. Watermarking stays the main technical safeguard of electronic copyright. This paper presents the first public-domain oblivious watermarking scheme for images which survi...
Francesc Sebé, Josep Domingo-Ferrer
ICASSP
2009
IEEE
9 years 8 months ago
Geometric distortion signatures for printer identification
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)...
Orhan Bulan, Junwen Mao, Gaurav Sharma
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