数字图像在采集过程中,由于照明或物体本身等原因,经常会出现目标区域对比度低、细节模糊的情况,需要经过进一步的预处理才能使用。一种较为有效的对比度拉升技术,它通过选择合理的分段点来实现图像增强。-The digital image acquisition process, due to reasons such as lighting or object itself, often the target area with low contrast, fuzzy details, you need