Digital Image Processing, Rafael C. Gonzalez, Richard E. Woods, 2018 (Pearson) - Foundational textbook covering fundamental image processing operations, including intensity transformations like contrast and brightness adjustment.
Computer Vision: Algorithms and Applications, Richard Szeliski, 2022 (Springer) - Comprehensive computer vision textbook that details point operators for image enhancement, including linear contrast adjustment.
CS231A: Computer Vision: Foundations and Applications, Silvio Savarese, Jeannette Bohg, 2025 (Stanford University) - Online course from a leading university covering fundamental computer vision concepts, including image processing and intensity transformations.