Recognition of text CAPTCHA by using back propagation algorithm of artificial neural network

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Abstract

Text-based CAPTCHA is a very simple type of CAPTCHA which are most widely used. It uses only a group of characters. In this paper, we focus on how Text based CAPTCHA is recognized by machine learning techniques. This paper proposed a method based on Back Propagation algorithm to identify the Text based CAPTCHA. The proposed technique improves the security level of Text-based CAPTCHA storage system by using the Back-propagation method of Artificial Neural Network. We used NNToolbox to train the network in MATLAB software.

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APA

Gill, S., & Saroha, R. (2019). Recognition of text CAPTCHA by using back propagation algorithm of artificial neural network. International Journal of Innovative Technology and Exploring Engineering, 8(9 Special Issue 3), 1448–1459. https://doi.org/10.35940/ijitee.I3308.0789S319

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