2007
DOI: 10.1007/s12046-007-0039-1
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A simple and efficient optical character recognition system for basic symbols in printed Kannada text

Abstract: Optical Character Recognition (OCR) systems have been effectively developed for the recognition of printed characters of non-Indian languages. Efforts are on the way for the development of efficient OCR systems for Indian languages, especially for Kannada, a popular South Indian language. We present in this paper an OCR system developed for the recognition of basic characters (vowels and consonants) in printed Kannada text, which can handle different font sizes and font types. Hu's invariant moments and Zernik… Show more

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Cited by 47 publications
(7 citation statements)
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“…To the best of our knowledge, there are no large-scale public datasets for the problem of printed text recognition of Indian languages. Most of the early works in this space use a dataset of cropped characters or isolated symbols since these works deal with classification of disjoint characters [10,57]. Later works that make use of line or word level annotated data use either internal collections [13,31,33,40,59] or large-scale synthetically generated samples [4,16,35] to train their models.…”
Section: Mozhi Datasetmentioning
confidence: 99%
“…To the best of our knowledge, there are no large-scale public datasets for the problem of printed text recognition of Indian languages. Most of the early works in this space use a dataset of cropped characters or isolated symbols since these works deal with classification of disjoint characters [10,57]. Later works that make use of line or word level annotated data use either internal collections [13,31,33,40,59] or large-scale synthetically generated samples [4,16,35] to train their models.…”
Section: Mozhi Datasetmentioning
confidence: 99%
“…A simple and efficient optical character recognition system for basic symbols in printed Kannada text [28] Kannada characters Seven Moments + RBF Neural Networks 82% Offline Handwriting Recognition using Genetic Algorithm [29] English characters Neural Networks + Genetic algorithms 71%.…”
Section: Character Used Main Features Percentagementioning
confidence: 99%
“…for (p+q) = 2,3,… A set of seven moment invariants can be derived from equations (6) While processing, each image is resized into 40X40 pixel image. The image obtained represents the number with black color on a white background.…”
Section: Moment Invariants (Mis)mentioning
confidence: 99%
“…However, Hu's moments are not derived from family of orthogonal functions, and so contain much redundant information about a character's shape. Hence, Zernike moments based on the theory of orthogonal polynomials are becoming popular for character recognition nowadays [6].Since handwritten characters are inclusive of variations in style fonts etc. .…”
Section: Introductionmentioning
confidence: 99%