数字化图像处理,大致有3种情况一是仅仅作亮度、对比度、色彩饱和度的适当调整;二是在保持原有图像组成元素总体不变的前提下,对局部进行修整,痕迹不甚明显;三是“大动干戈”,经过大修大改,结果与原图大相径庭,变为另一个模样。但无论 Digital image processing, there are roughly three cases, first, just for the brightness, contrast, color saturation of the appropriate adjustments; the second is to maintain the original image elements remain unchanged under the premise of the local trim, the traces are not obvious; The third is “governed”, after major overhauls, the results and the original picture is quite different, into another appearance. But no matter