Such images are sometimes also known as bitmap images or pixmap images, though we'll just use the generic term image to refer to any array (or buffer) of numbers that represent the color values of a rectangular grid of pixels ("picture elements"). This chapter introduces techniques for manipulating (and extracting certain kinds of information from) raster images. Preliminaries to Image Processing Digital image acquisition and data structures Of course, if these tools don't do what you need, then it's time to start reading about. This book's chapter on Game Design gives a good overview of how you can create openFrameworks apps that make use of the OSC messages generated by such tools.
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