在侦查实践中,对伪造照片的检验已日益在侦查活动中占据着举足轻重的作用。科学技术的发展,各种图像处理软件的开发,使伪造、变造照片成为可能,从而为犯罪分子提供了可乘之机。因此,掌握正确的照片真伪的鉴别方法迫在眉睫。伪造、变造的照片的检验是根据成像原理等一般性原理得出的方法,具体包括一般检验、用光检验、透视原理检验、景深原理检验等方法。 In investigation practice, the examination of counterfeit photographs has increasingly played an important role in the investigation. With the development of science and technology, the development of various image processing softwares makes it possible to forge and alter photos, thus providing an opportunity for criminals. Therefore, to master the correct authenticity of photo identification method is imminent. Forged, altered photographs of the test is based on imaging principles and other general principles derived methods, including general inspection, inspection with light, the principle of perspective test, depth of field principle test and other methods.