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Author
Partha Pratim Roy; Umapada Pal; Josep Llados; Mathieu Nicolas Delalandre
Title
Multi-oriented touching text character segmentation in graphical documents using dynamic programming
Type
Journal Article
Year
2012
Publication
Pattern Recognition
Abbreviated Journal
PR
Volume
45
Issue
5
Pages
1972-1983
Keywords
Abstract
2,292 JCR
The touching character segmentation problem becomes complex when touching strings are multi-oriented. Moreover in graphical documents sometimes characters in a single-touching string have different orientations. Segmentation of such complex touching is more challenging. In this paper, we present a scheme towards the segmentation of English multi-oriented touching strings into individual characters. When two or more characters touch, they generate a big cavity region in the background portion. Based on the convex hull information, at first, we use this background information to find some initial points for segmentation of a touching string into possible primitives (a primitive consists of a single character or part of a character). Next, the primitives are merged to get optimum segmentation. A dynamic programming algorithm is applied for this purpose using the total likelihood of characters as the objective function. A SVM classifier is used to find the likelihood of a character. To consider multi-oriented touching strings the features used in the SVM are invariant to character orientation. Experiments were performed in different databases of real and synthetic touching characters and the results show that the method is efficient in segmenting touching characters of arbitrary orientations and sizes.
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
0031-3203
ISBN
Medium
Area
Expedition
Conference
Notes
DAG
Approved
no
Call Number
Admin @ si @ RPL2012a
Serial
2133
Permanent link to this record
Author
Gemma Sanchez; Josep Llados; K. Tombre
Title
A mean string algorithm to compute the average among a set of 2D shapes
Type
Journal Article
Year
2002
Publication
Pattern Recognition Letters
Abbreviated Journal
PRL
Volume
23
Issue
1-3
Pages
203–214
Keywords
Abstract
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
Medium
Area
Expedition
Conference
Notes
DAG; IF: 0.409
Approved
no
Call Number
DAG @ dag @ SLT2002
Serial
275
Permanent link to this record
Author
Josep Llados; Gemma Sanchez
Title
Graph Matching vs. Graph Parsing in Graphics Recognition: A Combined Approach
Type
Journal
Year
2004
Publication
International Journal of Pattern Recognition and Artificial Intelligence
Abbreviated Journal
IJPRAI
Volume
18
Issue
3
Pages
455–473
Keywords
Abstract
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
Medium
Area
Expedition
Conference
Notes
DAG; IF: 0.588
Approved
no
Call Number
DAG @ dag @ LlS2004
Serial
445
Permanent link to this record
Author
Antonio Lopez; Ernest Valveny; Juan J. Villanueva
Title
Real-time quality control of surgical material packaging by artificial vision
Type
Journal Article
Year
2005
Publication
Assembly Automation
Abbreviated Journal
Volume
25
Issue
3
Pages
Keywords
Abstract
IF: 0.061)
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
Medium
Area
Expedition
Conference
Notes
ADAS;DAG
Approved
no
Call Number
ADAS @ adas @ LVV2005
Serial
552
Permanent link to this record
Author
Oriol Ramos Terrades; Ernest Valveny
Title
A new use of the ridgelets transform for describing linear singularities in images
Type
Journal Article
Year
2006
Publication
Pattern Recognition Letters
Abbreviated Journal
PRL
Volume
27
Issue
6
Pages
587–596
Keywords
Abstract
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
Medium
Area
Expedition
Conference
Notes
DAG
Approved
no
Call Number
DAG @ dag @ RaV2006a
Serial
635
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