03/18/2003
15-462 Graphics I
44
Summary
•Display
Color Models
–8 bit
(colormap), 24 bit, 96 bit
•Filters
–Blur,
edge detect, sharpen, despeckle
•Dithering
–Floyd-Steinberg
error diffusion
•Image
Compression
–Coding,
interpixel, psychovisual redundancy
–Lossless
vs. lossy compression