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ICDAR
2003
IEEE
13 years 10 months ago
Correcting Document Image Warping Based on Regression of Curved Text Lines
Image warping is a common problem when one scans or photocopies a document page from a thick bound volume, resulting in shading and curved text lines in the spine area of the boun...
Zheng Zhang 0003, Chew Lim Tan
ICDAR
2003
IEEE
13 years 10 months ago
Text-indicated Writer Verification Using Hidden Markov Models
We propose an HMM-based text-indicated writer verification method, which is based on a challenge and response type of authentication process. In this method, a different text incl...
Yasushi Yamazaki, Tsuyoshi Nagao, Naohisa Komatsu
ICDAR
2003
IEEE
13 years 10 months ago
Individuality of Handwritten Characters
Analysis of handwritten characters (allographs) plays an important role in forensic document examination. However, so far there lacks a comprehensive and quantitative study on ind...
Bin Zhang, Sargur N. Srihari, Sangjik Lee
ICDAR
2003
IEEE
13 years 10 months ago
Analysis of Handwriting Individuality Using Word Features
Analysis of allographs (characters) and allograph combinations (words) is the key for obtaining the discriminating elements of handwriting. While allographs usually inhabit in wor...
Bin Zhang, Sargur N. Srihari
ICDAR
2003
IEEE
13 years 10 months ago
A Line Drawings Degradation Model for Performance Characterization
Line detection algorithms constitute the basis for technical document analysis and recognition. The performance of these algorithms decreases as the quality of the documents degra...
Jian Zhai, Liu Wenyin, Dov Dori, Qing Li
ICDAR
2003
IEEE
13 years 10 months ago
Estimating Degradation Model Parameters from Character Images
This paper discusses the use of character images to determine the parameters of an image degradation model. The acute angles in character images provide information used to find ...
Hok Sum Yam, Elisa H. Barney Smith
ICDAR
2003
IEEE
13 years 10 months ago
Automatic Segmentation and Recognition System for Handwritten Dates on Canadian Bank Cheques
This paper describes a system being developed to recognize date information handwritten on Canadian bank cheques. A segmentation based strategy is adopted in this system. In order...
Qizhi Xu, Louisa Lam, Ching Y. Suen
ICDAR
2003
IEEE
13 years 10 months ago
Reference Line Extraction from Form Documents with Complicated Backgrounds
Form document analysis is one of the most essential tasks in document analysis and recognition. One of the most fundamental and crucial tasks is the extraction of the reference li...
Dihua Xi, Seong-Whan Lee
ICDAR
2003
IEEE
13 years 10 months ago
Writer Identification from Gray Level Distribution
When identifying a writer from a handwritten text, most often, either some characteristic patterns or some shape parameters are extracted. They are assumed to be specific of the w...
M. Wirotius, Audrey Seropian, Nicole Vincent
ICDAR
2003
IEEE
13 years 10 months ago
Towards Automatic Video-based Whiteboard Reading
As whiteboards have become a popular tool in meeting rooms, there has been a growing interest in making use of the whiteboard as a user interface for human computer interaction. T...
Markus Wienecke, Gernot A. Fink, Gerhard Sagerer