Eitan Sharon Achi Brandt Ronen Basri Segmentation and Boundary Detection Using Multiscale Intensity Measurements. 469-476 2001 conf/cvpr/2001 CVPR (1) http://doi.ieeecomputersociety.org/10.1109/CVPR.2001.990512 db/conf/cvpr/cvpr2001-1.html#SharonBB01