现场勘察中一些疑难物证的提取在物证 科学技术中起到很重要的作用,一枚指纹往 往在一起重特大案件中提供重大的线索。 对于一些反差比较弱的复杂有色客体上 的疑难指纹,本来就很难发现和提取,我们 尝试用分色与配光技术拍摄的结合来解决这 一难题。这种结合给我们刑事照相提出了一 个新的思路和方法。 1 原理 The extraction of some difficult evidence in the scene investigation plays a very important role in material science and technology. One fingerprint often provides important clues together in a serious case. Difficult fingerprints on some complex contrasting colored objects are difficult to find and extract. We try to solve this problem by combining the color separation with the light distribution technique. This combination gives us a new idea and method of criminal photography. 1 principle