JPEG is a lossy DCT-based image compression standard. Some original image information will be lost and cannot
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Question:
JPEG is a lossy DCT-based image compression standard. Some original image information will be lost and cannot be restored during the compression process. So,
(1) What is the main purpose of 2-D DCT used in JPEG compression?
(2) Which step mainly leads to the lost of the original image information in the compression process?
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ISBN: 978-0073525242
6th edition
Authors: Roger Schroeder, M. Johnny Rungtusanatham, Susan Goldstein
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