Yuan Wu Qian Huang Yonghong Peng Wuchao Situ Detection of Microcalcifications in Digital Mammograms Based on Dual-Threshold. 347-354 2006 conf/mammo/2006 Digital Mammography / IWDM http://dx.doi.org/10.1007/11783237_47 db/conf/mammo/iwdm2006.html#WuHPS06