In the last post (Automatically fill in captcha code in course selection system), we exploited the "Play Audio" button function to obtain the captcha code in the course selection system from my college. Today, we will be going through another approch to identify the captcha code by training a CNN model with TensorFlow and Keras.
A captcha code from the course selection system.
Install Needed Packages
Below are the environment and package versions that I perform the training in this post.
If lacking any of these packages, just simply install them with the following commands.
pip install numpy
pip install scikit-learn
pip install tensorflow
pip install Pillow