Chapter 26Image Processing
The rapid growth of digital photography is one of the most important technological changes in the past decades. Cameras are now standard on mobile phones, tablets, and laptops. There is also a proliferation of webcams and surveillance cameras. All of these digital images need computer programs to analyze and understand the data. For example, social media websites use facial recognition to make it easier to find your friends in photographs. Computer vision is able to determine what people are doing in images. This chapter introduces some basics of image processing. The main goal is to explain how to read and write images, as well as how to modify the colors in the image pixels. For simplicity, ...
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