https://github.com/aadityatamrakar/captcha_ai

ML program to decode text from captcha images.
https://github.com/aadityatamrakar/captcha_ai

matplotlib python scikit-learn sklearn

Last synced: 2 months ago
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ML program to decode text from captcha images.

• Host: GitHub
• URL: https://github.com/aadityatamrakar/captcha_ai
• Owner: aadityatamrakar
• Created: 2018-01-16T20:58:35.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2021-10-13T04:39:48.000Z (over 4 years ago)
• Last Synced: 2025-03-20T02:16:21.613Z (about 1 year ago)
• Topics: matplotlib, python, scikit-learn, sklearn
• Language: PHP
• Homepage:
• Size: 6.97 MB
• Stars: 2
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# Captcha Solver

This is simple captcha solver for a particular type of captchas (Shown below).

Eg. 

|  ![image](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/captcha/%20101510.jpg)| ![image](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/captcha/%20104320.jpg) |

|--|--|

| ![image](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/captcha/%20104840.jpg) | ![enter image description here](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/captcha/%20106505.jpg) |

## Demo Video

[![IMAGE ALT TEXT](http://img.youtube.com/vi/p-GUJ60KYbs/0.jpg)](http://www.youtube.com/watch?v=p-GUJ60KYbs "AI Captcha Solver Demo")

## Steps

1. Remove Padding/ Remove Whitespace Area

2. ![image](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/steps/ltr-0.jpg)  ![enter image description here](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/steps/ltr-1.jpg)  ![enter image description here](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/steps/ltr-2.jpg)  ![enter image description here](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/steps/ltr-3.jpg)  ![enter image description here](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/steps/ltr-4.jpg)  ![enter image description here](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/steps/ltr-5.jpg) Break Letter 

3. ![image](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/steps/wltr-0.jpg)  ![image](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/steps/wltr-1.jpg)  ![image](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/steps/wltr-2.jpg)  ![image](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/steps/wltr-3.jpg)  ![image](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/steps/wltr-4.jpg)  ![image](https://raw.githubusercontent.com/aadityatamrakar/captcha_ai/master/steps/wltr-5.jpg)   Rotate Letters 

4. Remove Padding and Stretch to Default Size

5. Convert image to pixel data and send for prediction in python.

6. R F K T G F => Result Captcha 

**Captcha Solver Accuracy - 99.7 %**