Moment-preserving sharpening - a new approach to digital picture deblurring

Chen Ling-Hwei Chen, Wen-Hsiang Tsai

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


A new approach to sharpening blurred pictures using the moment-preserving principle is described. A new gray value assigned to each pixel in the desired picture is computed deterministally so that the moments of the n X n neighbourhood of the pixel are preserved. Selection of the neighborhood size n depends on the blurring degree of the picture. The sharpening operation can be applied iteratively to an input picture to obtain a better sharpening effect. -from Authors

Original languageEnglish
Pages (from-to)1-13
Number of pages13
JournalComputer Vision, Graphics, & Image Processing
Issue number1
StatePublished - 1 Jan 1988

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