A Framework for Devanagari Script-Based CAPTCHA
نویسندگان
چکیده
منابع مشابه
A Framework for Devanagari Script-based Captcha
Human Interactive Proofs (HIPs) are automatic reverse Turing tests designed to distinguish between various groups of users. Completely Automatic Public Turing test to tell Computers and Humans Apart (CAPTCHA) is a HIP system that distinguish between humans and malicious computer programs. Many CAPTCHAs have been proposed in the literature that text-graphical based, audio-based, puzzle-based and...
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Handwritten Devanagari script recognition system using neural network is presented in this paper. Diagonal based feature extraction is used for extracting features of the handwritten Devanagari script. After that these feature of each character image is converted into chromosome bit string of length 378. More than 1000 sample is used for training and testing purpose in this proposed work. It is...
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Rigorous research has been done on optical character recognition (OCR) and a large number of articles have been published on this topic during the last few decades. OCR plays a vital role in Digital Image Processing and Pattern Recognition. Numerous work has stated for Roman, Chinese, Japanese and Arabic scripts. There is no convenient work done on Indian script recognition. In India, more than...
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Image processing has wide area for processing various functionality on image. Image with any pattern comes under the categories of pattern recognition where recognizing of the pattern can be any character, symbol, numeral or it can be any image also. Character Recognition (CR) has broad area of research in English as well as Hindi character. English language has been largely progressed to a lev...
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The paper concentrates on improvement of segmentation accuracy by addressing some of the key challenges of handwritten Devanagari word image segmentation technique. In the present work, we have developed a new feature based approach for identification of Matra pixels from a word image, design of a non-linear fuzzy membership functions for headline estimation and finally design of a non-linear f...
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ژورنال
عنوان ژورنال: SSRN Electronic Journal
سال: 2011
ISSN: 1556-5068
DOI: 10.2139/ssrn.3436629