@inproceedings{ekici:semifragileSpie,
 AUTHOR = "Ozgur Ekici and Baris Coskun and Umut Naci and Bulent Sankur",
 TITLE = "A Comparative Assessment of Semi-Fragile Watermarking Methods",
 BOOKTITLE = "SPIE Conf. 4518, Multimedia Systems and Applications IV, Denver, CO",
 YEAR = "2001",
  LOCATION = "Denver, CO"
 }