破碎文件的拼接在司法物证复原、历史文献修复以及军事情报获取等领域都有着重要的应用.传统上，拼接复原工作需由人工完成，准确率较高，但效率很低.特别是当碎片数量巨大，人工拼接很难在短时间内完成任务.随着计算机技术的发展，人们试图开发碎纸片的自动拼接技术，以提高拼接复原效率.-Splicing broken file evidence in judicial recovery, restoration and historical documents to obtain military intelligence and other fields have important applications. Traditionally, mosaic restoration work must be completed by the artificial, high accuracy rate, but low efficiency, especially when the number of fragments huge, artificial mosaic difficult to complete tasks in a short period of time. With the development of computer technology, people are trying to develop automatic stitching scraps of paper, in order to improve the recovery efficiency of splicing.