Yicong Zhou*, Long Bao, and C. L. Philip Chen, “A New 1D Chaotic System for Image Encryption”, Signal Processing, 97, 172–182, 2014.
(Source MATLAB codes) | pdf | Highly Cited Paper
The python version of this paper. This paper put forward a new image encryption algorithm with chaotic system.
And if you can access to the Google Colab, you can try it directly by clicking this link online.