实现数字图像分割，双峰法认为图像分为前景和背景两部分。在阀值选取的时候，连续出现的两个波峰之间的波谷，就是应选取的阀值分割点。-Digital image segmentation, bimodal method consider the prospects and the background image is divided into two parts. In the threshold selected, the row emerged between the two peaks and