在现场勘查工作中 ,快速地提供现场痕迹物证照片 ,以对案件的人、物进行排查、鉴别、通缉、布控等 ,对案件的快速侦破是十分必要的。而传统的照相技术由于受到自身工艺因素、现场条件的局限 ,难以实现。现在 ,随着科学技术的快速发展 ,数码照相、摄像技术日趋完善 ,为现场照相 In the on-the-spot exploration work, it is very necessary to quickly provide evidence of on-the-spot evidence to investigate, identify, seek, control and prosecute people and things in the case. The traditional photographic technology due to their own factors, the limitations of site conditions, difficult to achieve. Now, with the rapid development of science and technology, digital cameras and video cameras are becoming more and more sophisticated and take photos of the scene