在刑事侦查中,经常会提取到一些与犯罪有关的文件物证,如票证、单据、合同、信件、照片、美术书法作品等,出于侦查、检验或保全证据的需要,往往要对这些物证进行翻拍。例如,这张陈旧折皱的照片(图1),是一九七四年拍摄的,由于年久和保管不当而折皱,为了进一步保存,需要翻拍存档, In criminal investigation, some evidences of criminal related documents, such as tickets, documents, contracts, letters, photographs, and calligraphic works of art, are often extracted. For the purpose of investigating, verifying or preserving the evidence, these evidences are often subject to Remake. For example, this old, wrinkled photograph (Figure 1) was taken in 1974 and was wrinkled due to its lengthy and improper storage. For further preservation, it needs to be remade,