A Tool for Temporal Comparison of Mammograms: Image Toggling and Dense-Tissue-Preserving Registration. - Akira Hasegawa; Huzefa Neemuchwala; Hiroko Tsunoda-Shimizu; Satoru Honda; Kazuo Shimura; Minoru Sato; Tomomi Koyama; Mari Kikuchi; Sonoe Hiramatsu (Digital Mammography / IWDM, 2008)