阈值分割技术的关键在于阈值的确定，只有阈值确定好了才能有效的划分物体与背景，但这种方法只对于那些灰度分布明显，背景与物体差别大的图像的分割效果才明显。-Threshold segmentation technique lies in the determination of the threshold, only the threshold determination to the effective division of the object and the background, but this method is only for those gray distribution is obviously the big difference between the background and the object image segmentation was obvious.