![]() Finally, having already looked at raster graphics, we looked at maniuplating vector-graphics in real time to produce animation, particle systems, and behaviour, culminating in implenenting Craig Reynolds' Boids and creature-like simulation. ![]() We could then apply this approach to sound, too, starting by building a sound wave, sample-by-sample, and then looking at higher-level manipulations of that sound wave to make instruments and effects. We covered manipulating those arrays simply - with greyscale filtering - and then more procedural methods such as greyscale dithering and convolution filters. The course worked its way up the ladder of abstraction, starting with the representation of a single coloured pixel, through to how images are just arrays of pixels (and video, similarly, just a sequence of those arrays). The explanation I use in the first week is: we’re not learning how to operate Photoshop, we’re learning how to write Photoshop. Sound and Image Processing is a module about using code to generate and manipulate images, video, and sound. I wrapped up a term of teaching a single module at UAL’s Creative Computing Institute. ![]() What’s been going on since I last wrote? Teaching at UAL-CCI
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