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Proceedings Paper

Fixed-Error Encoding For Bandwidth Compression
Author(s): Robert A. Gonsalves; Alicia Shea; Norman Evans; Thomas S. Huang; Edward Delp
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Paper Abstract

We present a DPCM technique that uses a fixed-error approach to minimize the loss of information in compression of a picture. The technique uses an initial N-bit quantization of the image and zero-error encoding of the difference signal. It produces no slope overload and a compression ratio of about 4 to 1. We compare the technique to three other encoding schemes, including a new, "one-pass", cosine transform encoder.

Paper Details

Date Published: 7 December 1978
PDF: 16 pages
Proc. SPIE 0149, Digital Image Processing II, (7 December 1978); doi: 10.1117/12.956665
Show Author Affiliations
Robert A. Gonsalves, EIKONIX Corporation (United States)
Alicia Shea, EIKONIX Corporation (United States)
Norman Evans, EIKONIX Corporation (United States)
Thomas S. Huang, Purdue University (United States)
Edward Delp, Purdue University (United States)

Published in SPIE Proceedings Vol. 0149:
Digital Image Processing II
Andrew G. Tescher, Editor(s)

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