Optimal Differential Energy Watermarking (DEW) of DCT Encoded Images and Video. IEEE Transactions on Image Processing. 2001;10:148-58. Download: Optimal differential energy watermarking 2001.pdf (289.5 KB)
Image and Video Databases: Restoration, Watermarking and Retrieval. Vol 8. Amsterdam (NL): Elsevier Science; 2000.
Watermarking Digital Image and Video Data: A State-of-the-Art Overview. IEEE Signal Processing Magazine. 2000;17:20-46. Download: Watermarking digital image and video data 2000.pdf (7.15 MB)
Real-Time Watermarking Techniques for Compressed Video Data. Delft: Delft University of Technology; 2000. Download: WatermarkingofImagesandVideo.pdf (3.24 MB)
Watermarking by DCT coefficient Removal: A Statistical Approach to Optimal Parameters Settings. In: Proc. SPIE Security and Watermarkings of Multimedia Contents, San Jose, CA.; 1999. p. 25-7.
Removing Spatial Spread Spectrum Watermarks by Non-linear Filtering. In: European Signal Processing Conference (EUSIPCO'98). Rodes, Greece; 1998. Download: remove.pdf (195.27 KB)
Real-time Labeling of MPEG-2 Compressed Video. Journal of Visual Communication and Image Representation. 1998;9:256-70. Download: realtime.pdf (226.21 KB)
Real-time labeling methods for MPEG compressed video. In: Willems FMJ, Tjalkens TJJ, editors. Proceedings of the EighteenthSymposium on Information Theory in the Benelux. Werkgemeenschap voor Informatie-en Communicatietheorie, Veldhoven; 1997. p. 25-32. Download: benel97-langelaar.pdf (249.5 KB)
Robust labelling methods for copy protection of images. In: Sethi IK, Jain RC, editors. SPIE Multimedia Data Security. Vol 3022. The Int. Society forOptical Engineering, San Jose, California; 1997. p. 298-309. Download: spie97-langelaar.pdf (279.55 KB)