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PAMI
2010
135views more  PAMI 2010»
14 years 10 months ago
A Variational Approach to Degraded Document Enhancement
—The goal of this paper is to correct bleed-through in degraded documents using a variational approach. The variational model is adapted using an estimated background according t...
Reza Farrahi Moghaddam, Mohamed Cheriet
ICIP
2000
IEEE
16 years 1 months ago
Document Image Matching Based on Component Blocks
Document image matching is the key technique for document registration and retrieval. In this paper, a new matching algorithm based on document component block list and component ...
Hanchuan Peng, Fuhui Long, Wan-Chi Siu, Zheru Chi,...
ICPR
2004
IEEE
16 years 28 days ago
Estimation of 3D Shape of Warped Document Surface for Image Restoration
While scanning pages from a thick, bound book, there are two sources of distortion in the document images: 1) shade along the book `spine', and 2) warping of the book surface...
Chew Lim Tan, Liying Fan, Zheng Zhang 0003
ISCAS
2003
IEEE
106views Hardware» more  ISCAS 2003»
15 years 5 months ago
Secure data hiding in binary document images for authentication
In this paper, we present a data hiding algorithm for binary document images. This algorithm is based on the DistanceReciprocal Distortion Measure [1] that is used to evaluate the...
Haiping Lu, Alex C. Kot, Jun Cheng
CVPR
2009
IEEE
15 years 3 months ago
Robust unsupervised segmentation of degraded document images with topic models
Segmentation of document images remains a challenging vision problem. Although document images have a structured layout, capturing enough of it for segmentation can be difficult....
Timothy J. Burns, Jason J. Corso