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What is DCT vs DWT in Image Compression about?

This document compares two image compression techniques: Discrete Cosine Transform (DCT) and Discrete Wavelet Transform (DWT). It first provides background on image compression and its requirements. It then describes the DCT technique in detail, including the encoding and decoding processes. For the encoding process, it explains how an image is divided into blocks and the DCT is applied before quantization for compression. For decoding, it describes how quantized values are dequantized and the inverse DCT i

Author

Nanda Kumar

Language

EN