Hello Abdelrahman. Its not possible to get snippets for the chaos image encryption. I too searched for some coding part but am unable to get that!! better download some papers and do on your own!! 'am doing that only!! if u found anything msg here!!
I am PhD student in Nantes University, My PhD topic is based on chaos encryption for image and video, you can find some chaos code in my published papers and for more details I am ready
Conference Paper Efficient Image Encryption and Authentication Scheme Based o...
Conference Paper Dynamic Adjustment of the Chaos-Based Security in Real-Time ...
Conference Paper Chaos-based Block Ciphers: An Overview