PhotoTechEDU Day 7: Lossy Image Compression

Google Tech Talks March 7, 2007 ABSTRACT Photo Technology Day 7: This session covers lossy image compression of many forms, including: Transform coding: DCT and relationship to KLT and filter banks; Energy compaction, zonal sampling, and bit allocation; Scalar quantization: Lloyd-Max, entropy constrained; Wavelets and embedded zerotrees; Vector quantization: k-means, Lloyd algorithm. Credits: Speaker:Ashok Popat