04/18/2002
15-462 Graphics I
5
Image Processing
•2D generalization of signal processing
•Image as a two-dimensional signal
•Point processing: modify pixels independently
•Filtering: modify based on neighborhood
•Compositing: combine several images
•Image compression: space-efficient formats
•Other topics (not in this course)
–Image enhancement and restoration
–Special effects (cf. Tuesday’s lecture)
–Computer vision