Digital Media Copy Detection: Research Actuality and Prospect

This paper reviews and summarizes the copy detection of the digital media detailedly, which can be classified as digital watermarking and contended based copy detection. Then, set forth the research actuality of the text, image and video. Based on expounding the develop direction of the technology of the copy detection, and combining with the own research fruits, brings forward general conceive of the copy detection technology based on the focused factor navigation.