Artificial Intelligence

   

Captcha Generation and Identification Using Generative Adversarial Networks

Authors: Hardik Ajmani, Mrinal Wahal

Adversarial attacking is an emerging worrying angle in the field of AI, capable of fooling even the most efficiently trained models to produce results as and when required. Inversely, the same design powering adversarial attacks can be employed for efficient white-hat modeling of deep neural networks. Recently introduced GANs (Generative Adversarial Networks) serve precisely this purpose by generating forged data. Consequently, authentic data identification is a crucial problem to be done away with, considering increased adversarial attacks. This paper proposes an approach using DCGANs (Deep Convolutional Generative Adversarial Networks) to both - generate and distinguish artificially produced fake captchas. The generator model produces a significant number of unseen images, and the discriminatory model classifies them as fake (0) or genuine (1). Interestingly enough, both the models can be configured to learn from each other and become better as they train along.

Comments: 10 Pages.

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Submission history

[v1] 2019-09-24 23:10:03

Unique-IP document downloads: 44 times

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