A fast segmentation algorithm for bi-level image compression using JBIG2

D.A.D. Tompkins, F. Kossentini
Proceedings 1999 International Conference on Image Processing (Cat. 99CH36348)  
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
more » ... rtantly, our method can improve encoding speeds considerably, often by an order of magnitude.
doi:10.1109/icip.1999.821602 dblp:conf/icip/TompkinsK99 fatcat:ppa6jf46zze67dmmr6dg26okv4