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wavelet Last modified: Thursday, June 21, 2001
A mathematical function used in compressing images. Images compressed using wavelets are smaller than JPEG images and can be transferred and downloaded at quicker speeds. Wavelet technology can compress color images from 20:1 to 300:1, grayscale images from 10:1 to 50:1. See also wavelet compression.
MPEG-4: The Short Story An explanation of the technology and some issues it raises. (2001)	Related Categories Data Compression Related Terms codec data compression JPEG MPEG MPEG-4 wavelet compression