Blocky artefact reduction using an adaptive constrained least squares method

Jeonghun Yang; Hyuk Choi; Taejeong Kim

doi:10.1049/el:19970571

Blocky artefact reduction using an adaptive constrained least squares method

Jeonghun Yang, Hyuk Choi, Taejeong Kim

Department of Computer Science and Engineering

Seoul National University

Research output: Contribution to journal › Article › peer-review

Abstract

A blocky artefact reduction algorithm using the constrained least squares (CLS) approach is described. The authors use a new objective function which effectively constrains the relationship between not only the block boundary pixels but also the inner pixels. By gracefully reducing the visible discontinuities along the block boundaries, the proposed algorithm shows excellent noise reduction performance.

Original language	English
Pages (from-to)	854-855
Number of pages	2
Journal	Electronics Letters
Volume	33
Issue number	10
DOIs	https://doi.org/10.1049/el:19970571
State	Published - 8 May 1997

Keywords

Discrete cosine transforms
Image coding
Image processing
Least squares approximations

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10.1049/el:19970571

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KW - Least squares approximations

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Blocky artefact reduction using an adaptive constrained least squares method

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Keywords

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