GRAFICA Obscura
Curated by Paul Haeberli Welcome to Alpha 0.52 of GRAFICA Obscura, my evolving computer graphics notebook. This is a compilation of technical notes, pictures and essays that I've accumulated over the years. For maximum enjoyment, check the viewing notes provided. Contents Paper and Plotter: A 3D Surface One of my first computer graphics projects is shown here. Laser Cutting for Rapid Manufacturing
Matrix Operations for Image Processing
Paul Haeberli Nov 1993 Introduction Four by four matrices are commonly used to transform geometry for 3D rendering. These matrices may also be used to transform RGB colors, to scale RGB colors, and to control hue, saturation and contrast. The most important advantage of using matrices is that any number of color transformations can be composed using standard matrix multiplication. Please note that
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