December 2014
Intermediate to advanced
640 pages
19h 7m
English
book
Emerging Trends in Image Processing, Computer Vision and Pattern Recognition
by Leonidas Deligiannidis, Hamid R Arabnia
Content preview from Emerging Trends in Image Processing, Computer Vision and Pattern Recognition
Highlight image filter significantly improves optical character recognition on text images
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Chapter 9
Highlight image filter significantly improves optical character recognition on text images
Iulia Stirb Computer and Software Engineering Department, “Politehnica” University of Timisoara, Timisoara, Romania
Abstract
Image filtering is changing the appearance of an image by altering the colors of the pixels. Increasing the contrast as well as adding a variety of special effects to images are some of the results of applying filters. In order to obtain a high success rate of OCR (optical character recognition) performed on text images, the main target of filters is, however, to reduce the noise around characters in the image. Thereby, ...