This document is a comprehensive textbook on Digital Image Processing by Akshansh Chaudhary, first edition. It covers fundamental concepts such as image digitization, convolution, image enhancement techniques, and various filtering methods. The textbook also delves into advanced topics like the Hough Transform for shape detection and image compression techniques. It is structured to provide both theoretical knowledge and practical applications, making it a valuable resource for students and professionals in the field of digital image processing.