Fixed-Error Encoding For Bandwidth Compression

Robert A. Gonsalves; Alicia Shea; Norman Evans; Thomas S. Huang; Edward Delp

doi:10.1117/12.956665

7 December 1978 Fixed-Error Encoding For Bandwidth Compression

Robert A. Gonsalves, Alicia Shea, Norman Evans, Thomas S. Huang, Edward Delp

Proceedings Volume 0149, Digital Image Processing II; (1978) https://doi.org/10.1117/12.956665
Event: 22nd Annual Technical Symposium, 1978, San Diego, United States

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.

Citation Download Citation

Robert A. Gonsalves, Alicia Shea, Norman Evans, Thomas S. Huang, and Edward Delp "Fixed-Error Encoding For Bandwidth Compression", Proc. SPIE 0149, Digital Image Processing II, (7 December 1978); https://doi.org/10.1117/12.956665

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