对灰度图像进行如下操作：去除图像的不均匀背景；用设置阈值的方法(thresholding)将结果图像转换成二值图像；通过成分标记(components labeling)返回图像中的目标对象属性，并计算目标对象的统计数字特征。-Gray-scale images of the following: removal of non-uniform image background　the method used to set the threshold (thresholding) the result image is converted into binary image　marked by elements (components labeling) to return the image of the target object property, and statistics calculated characteristics of the target object.