Method of edge smoothing for a computer image generation system

G - Physics – 09 – B

Patent

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354/1, 375/11, 3

G09B 9/30 (2006.01) G06T 15/50 (2006.01)

Patent

CA 1255002

METHOD OF EDGE SMOOTHING FOR A COMPUTER IMAGE GENERATION SYSTEM ABSTRACT A method for computer image generation simulated visual scenes for applications such as flight training. The processing to generate the image takes place in three sequential stages: Controller, Geometry Processor, and Display Processor. At any point in time, the stages are processing data for three consecutive scenes. Each scene is comprised or a plurality of faces. Processing prior to the Display Processor accomplishes clipping and perspective transformation of faces. The Display Processor then generates the scene with pipeline processing accomplishing four major tasks: span detection or windowing, span sequencing, mask processing, and color processing. The improved realism of the computer generated image includes application of area-times-color smoothing, using fractional face areas to improve scene quality and reduce quantizing artifacts.

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