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A Fast Segmentation Algorithm for Bi-Level Image Compression Using JBIG2

10 years 29 days ago
A Fast Segmentation Algorithm for Bi-Level Image Compression Using JBIG2
The emerging JBIG2 standard allows compliant encoders to achieve very high compression rates on bi-level images, especially when images are properly segmented into regions of line-art, halftones and text. We propose a fast method that is very effective at separating text from non-text regions, even when the regions are nonrectangular or have skew. Our method can also detect regions of reverse-coloured text. In most cases, our method increases the compression performance of the encoder. More importantly, our method can improve encoding speeds considerably, often by an order of magnitude.
Dave A. D. Tompkins, Faouzi Kossentini
Added 25 Oct 2009
Updated 25 Oct 2009
Type Conference
Year 1999
Where ICIP
Authors Dave A. D. Tompkins, Faouzi Kossentini
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