Inverse halftoning of scanned images

Tsi Yi Chao*, Hsueh-Ming Hang

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

Abstract

Our goal in this research is to find a good inverse halftoning algorithm that recovers gray-scale images from the scanned images. To this aim, we develop the printer and the scanner models and two types of reconstruction methods. In the first method, the reconstruction filter is derived directly from the scanned data and the ideal original gray-scale image. In the second method, the forward halftoning, the printing and the scanning processes are reversed one by one. Either approach seems to produce reasonably good results.

Original languageEnglish
Pages420-423
Number of pages4
DOIs
StatePublished - 23 Oct 1995
EventProceedings of the 1995 IEEE International Conference on Image Processing. Part 3 (of 3) - Washington, DC, USA
Duration: 23 Oct 199526 Oct 1995

Conference

ConferenceProceedings of the 1995 IEEE International Conference on Image Processing. Part 3 (of 3)
CityWashington, DC, USA
Period23/10/9526/10/95

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