/Captcha-Recognition

captcha recognition in railway data

Primary LanguageJupyter Notebook

Captcha-Recognition

Package

Name Version
tensorflow 2.4
tensorflow-gpu 2.4
keras 2.4
scipy 2.0
PIL 7.0

Training Data

Preprocess the training data from mat format to png format

image image

Label

Each Letter has 19 kinds of possiblity, including:

  • digit: 2, 3, 4, 5, 7, 9
  • alphabet: A, C, F, H, K, M, N, P, Q, R, T, Y, Z

Result

One word Accuracy: 98.9%

  • The Accuracy of each letter

Four word Accuracy: 96.2%

  • The Accuracy of each captcha