Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/1484
Title: Reduction of block-transform image coding artifacts by using local statistics of transform coefficients
Authors: Choy, SSO
Chan, YH 
Siu, WC 
Keywords: Codes (symbols)
Coding errors
Mathematical transformations
Issue Date: Jan-1997
Publisher: IEEE
Source: IEEE signal processing letters, Jan. 1997, v. 4, no. 1, p. 5-7 How to cite?
Journal: IEEE signal processing letters 
Abstract: This letter presents a new approach to reduce coding artifacts in transform image coding. We approach the problem in an estimation of each transform coefficient from its quantized version with its local mean and variance. The proposed method can reduce much coding artifacts of low bit-rate coded images, and at the same time guarantee that the resulting images satisfies the quantization error constraint.
URI: http://hdl.handle.net/10397/1484
ISSN: 1070-9908
DOI: 10.1109/97.551686
Rights: © 1997 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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