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[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How The Brain Learns ? ,[object Object],[object Object],[object Object]
Biological Neuron ,[object Object],[object Object],[object Object],[object Object]
What is a Neural Network? ,[object Object],[object Object],[object Object]
Neural Network Structure  ,[object Object],input output ,[object Object]
How Do Neural Networks Work? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],input output
Undistorted image (Training mode) :
Distorted image (Working mode) :
CAPTCHA ,[object Object],[object Object],[object Object],FCZH solution
Application After every poll voter has to pass the CAPTCHA test.  Online Polls  The idea is to require users to solve a CAPTCHA before showing your email address.   Protecting Email Addresses From Scrapers   To use CAPTCHAs to ensure that only humans obtain free accounts .  Protecting Website Registration   Proposed Solution Application Area
Breaking Captcha ,[object Object],[object Object],[object Object],[object Object]
Proposing a 3D Captcha ,[object Object]
[object Object]
[object Object],[object Object]
[object Object],[object Object],[object Object]
An Example ,[object Object]
Conclusion ,[object Object],[object Object]
Thought for the Future…. ,[object Object],[object Object]
References ,[object Object],[object Object],[object Object],[object Object]
THANK-YOU.

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