EPWIC: Embedded Predictive Wavelet Image Coder


Designed by Robert Buccigrossi and Eero Simoncelli
GRASP Laboratory, University of Pennsylvania

Example Progression

The following in a GIF animation demonstrating the progressive reconstruction of a 256 by 256 image encoded using EPWIC-1:


Results

   

Signal-to-Noise ratios for several coders relative to EPWIC-1 as a function of number of bytes. These values are averaged over a set of 13 example images which include landscapes, faces, two medical images, and two computer graphics images.

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Last updated by Robert Buccigrossi: 6/30/97