@article{Chen Baochun:48, author = {Chen Baochun,Gao Hongling}, title = {THE METHODS RESTRAINING BACKGROUND ON COPIES}, publisher = {Data Analysis and Knowledge Discovery}, year = {1996}, journal = {Data Analysis and Knowledge Discovery}, volume = {12}, number = {5}, eid = {48}, numpages = {3}, pages = {48}, keywords = {}, url = {https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/abstract/article_2556.shtml}, doi = {10.11925/infotech.1003-3513.1996.05.13} }