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ICDAR
2005
IEEE
14 years 3 months ago
Estimating the Pen Trajectories of Multi-Path Static Scripts Using Hidden Markov Models
Static handwritten scripts are available only as images on documents and by definition do not contain dynamic information. This study is about extracting dynamic information from...
Emli-Mari Nel, Johan A. du Preez, Ben M. Herbst
ICIP
2007
IEEE
14 years 12 months ago
Image Authentication Based on Distributed Source Coding
Image authentication is important in content delivery via untrusted intermediaries, such as peer-to-peer (P2P) file sharing. Many differently encoded versions of the original imag...
Yao-Chung Lin, David P. Varodayan, Bernd Girod
ICIP
2005
IEEE
14 years 11 months ago
Watermarking JBIG2 text region for image authentication
An authentication watermarking technique (AWT) inserts hidden data into an image in order to detect any accidental or malicious alteration to the image. AWT usually computes, usin...
Sergio Vicente Denser Pamboukian, Hae Yong Kim, Ri...
ISCIS
2003
Springer
14 years 3 months ago
Multiple Description Coding for Image Data Hiding in the Spatial Domain
In this paper, we develop a robust image data hiding scheme based on multiple description coding of the signature image. At the transmitter, the signature image is encoded by balan...
Mohsen Ashourian, Yo-Sung Ho
ICDAR
2009
IEEE
14 years 4 months ago
Machine Authentication of Security Documents
This paper presents a pioneering effort towards machine authentication of security documents like bank cheques, legal deeds, certificates, etc. that fall under the same class as f...
Utpal Garain, Biswajit Halder