Images transmitted over the world wide web are an excellent example of why data compression is important. Suppose we need to download a digitized color photograph over a computer's 33.6 kbps modem. If ...
The JPEG format for encoding still images was standardized during the 1980s and 1990s. It uses the Discrete Cosine Transform (DCT), which was developed at the end of the 1970s, and Huffman encoding.
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