In the classification for focal hepatic lesions in ultrasound images, selection of ROI is one of the important steps because texture features varies according to the selection ROI. The existing ROI selection methods are divided into two approaches. First approach adopts ROI within the focal hepatic lesion (ROI<SUB>in</SUB>). The other approach selects ROI encompassing the lesion (ROI<SUB>out</SUB>). In this p^_@span style=color:#999999 ^_# ... ^_@/span^_#^_@a href=javascript:; onclick=onClickReadNode('NODE01705961');fn_statistics('Z354','null','null'); style='color:#999999;font-size:14px;text-decoration:underline;' ^_#전체 초록 보기^_@/a^_#