重叠指纹在公安机关办理案件的过程中广泛存在,在犯罪现场的水杯、保险柜把手等各种物体上,若能成功地分离重叠指纹,会给公安人员侦查破案带来重要线索。本文的目的在于对各种重叠指纹分离方法进行叙述,根据公安机关的实际情况为重叠指纹分离技术的发展和进一步的工作提供依据。 Overlapping fingerprints are widespread in the handling of cases by public security organs. Successful separation of overlapping fingerprints on cups, safes and other objects at the crime scene will bring important clues to the investigation and detection of public security personnel. The purpose of this paper is to describe various methods of separating fingerprints, and to provide a basis for the development of further fingerprinting techniques and further work according to the actual situation of public security organs.