Title
Segmentation of Very Low Resolution Screen-Rendered Text
Abstract
The lower the resolution of a given text is, the more dif- ficult it becomes to segment it into single characters. The resolution of screen-rendered text can be very low. This pa- per focuses on smoothed screen-rendered text of very low resolution with typical x-heights of 4 to 7 pixels which is much lower than in other low resolution OCR situations. We propose a recognition-based segmentation algorithm which makes use of oversegmentation by dynamic programming, candidate rating by single character classifiers and a graph based search algorithm for an optimal cut sequence. The al- gorithm is described in detail and experimental results are presented which show the performance on example screen- shot images taken from the public Screen-Word database.
Year
DOI
Venue
2007
10.1109/ICDAR.2007.229
ICDAR-1
Keywords
Field
DocType
low resolution,low resolution screen-rendered text,single character,example screen,candidate rating,search algorithm,low resolution ocr situation,screen-rendered text,recognition-based segmentation algorithm,dynamic programming,single character classifier,image resolution,graph theory,image classification,image segmentation,text analysis
Graph theory,Computer vision,Dynamic programming,Search algorithm,Pattern recognition,Computer science,Segmentation,Image segmentation,Artificial intelligence,Pixel,Contextual image classification,Image resolution
Conference
ISBN
Citations 
PageRank 
0-7695-2822-8
3
0.46
References 
Authors
3
4
Name
Order
Citations
PageRank
S. Wachenfeld130.46
S. Fleischer230.46
H.-U. Klein330.46
X. Jiang4131.70