Dear Nandhakumar Kec

The enclosed book include more details for what you want.

F. Abd-Elsamie and S. El-Rabaie, "Image Encryption, A Communicative Prospective", CRC Press, Taylor and Francis Group, December 2013.

Good Luck

Prof. S. EL-Rabaie

You can find some of them here

https://www.mathworks.com/matlabcentral/fileexchange/

Try to understand the code and build your own applications.

Another link

https://www.pantechsolutions.net/blog/top-100-image-processing-projects-free-source-code/

There are many web pages you can use;

https://matlabfreecode.wordpress.com/tag/image-processing/