说明：  图像增强根据图像的模糊情况采用各种特 殊的技术突出图像中的某些信息,削弱或消 除无关信息达到强调图像的整体或局部特征 的目的。
(According to the fuzzy image enhancement of images using a variety of special technical highlight the image of certain information, weaken or eliminate the irrelevant information to emphasize the image of the whole or the purpose of local features.)