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一、指印原状 1992年9月,某公安分局送检一枚被盗案件现场指印,要求鉴定该现场指印是否为嫌疑人邓×所留。检验发现:送检的现场指印系银粉显现,透明胶带粘取附于黑色相纸上。整个指印几乎是银粉均匀覆盖,一片模糊,反差极小,只能影约见到几根纹线和3、4个细节特征,用各种方法直接观察拍照均无法获取较好的鉴定条件(见图一)。二、后期处理及效果
First, the original fingerprints In September 1992, a public security bureau to submit a fingerprint on-site inspection of a case of seizure, requiring identification of the site fingerprints whether the suspect Deng × stay. Test found that: the site of submission of silver fingerprints appear on the show, scotch tape attached to black photo paper. The entire fingerprint is almost uniform coverage of silver powder, a vague, contrast is very small, can only be seen in the shadow of a few lines and 3,4 details of the features, direct observation with a variety of methods are unable to obtain better identification of the camera (see Figure one). Second, the post-processing and effects