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168,742 papers · 148 categories

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0111 · Oct 201619922001200920172026
4 results for CAPTCHA

Deep-CAPTCHA cracks visual CAPTCHAs using deep learning.

problem Cracking visual CAPTCHAs to assess vulnerabilities.
method Developed a Convolutional Neural Network (Deep-CAPTCHA) to solve numerical and alphanumeric CAPTCHAs.
result Cracking accuracy of 98.94% and 98.31% for numerical and alphanumeric datasets respectively.

Nowadays, CAPTCHAs are computer generated tests that human can pass but current computer systems can not. They have common usage in various web services in order to be able to detect a human from computer programs autonomously. In this way, owners can protect their web services from bots. In addition to visual CAPTCHAs…

2019-01-08abs ↗pdf ↗

We draw a formal connection between using synthetic training data to optimize neural network parameters and approximate, Bayesian, model-based reasoning. In particular, training a neural network using synthetic data can be viewed as learning a proposal distribution generator for approximate inference in the synthetic-d…

2017-03-02abs ↗pdf ↗

We introduce a method for using deep neural networks to amortize the cost of inference in models from the family induced by universal probabilistic programming languages, establishing a framework that combines the strengths of probabilistic programming and deep learning methods. We call what we do "compilation of infer…

2016-10-31abs ↗pdf ↗