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１前言图像增强技术作为法庭常用的科学鉴别手段。在指纹鉴定中有着巨大的应用潜力。此项技术主要应用于增强或复原二维图像（包括照片）的各种处理程序，恢复再现犯罪现场提取的无法判读的比对的指纹。当应用常规检验技术达不到令人满意的结果时，为了鉴定必须增强指纹的特征?
1 Introduction Image enhancement technology as a court of common scientific means of identification. Fingerprinting has great potential applications. This technology is mainly used to enhance or restore a variety of two-dimensional images (including photos) of the processing procedures, restoration and reproduction of crime scene extraction of the fingerprint can not be read out of alignment. When satisfactory results are not achieved using routine testing techniques, in order to identify features that must enhance fingerprinting?