Title :
Fast and robust watermarking of JPEG files
Author :
Wenbin Luo ; Heileman, Gregory L. ; Pizano, Carlos E.
Author_Institution :
Dept. of Electr. & Comput. Eng., New Mexico Univ., Albuquerque, NM, USA
Abstract :
In this paper, we present a fast watermarking method that applies to JPEG images. JPEG is a standard image format supported by virtually all available image software applications. Our method manipulates the quantized DCT coefficients directly and can be implemented in real time. We use texture masking to embed a stronger watermark signal in certain texture areas. Watermark robustness to JPEG compression, additive Gaussian noise and image cropping attacks is studied with the proposed system. The relationship between watermark robustness and watermark position is also studied. A description of the method is included and results are presented along with a discussion of possible improvements
Keywords :
Gaussian noise; copy protection; data compression; data encapsulation; discrete cosine transforms; image coding; image texture; quantisation (signal); real-time systems; security of data; JPEG images; additive Gaussian noise; compression robustness; embedding; image cropping attacks; quantized DCT coefficients; real time method; texture masking; watermarking; Application software; Decoding; Discrete cosine transforms; Image coding; Noise robustness; Protection; Quality of service; Software standards; Transform coding; Watermarking;
Conference_Titel :
Image Analysis and Interpretation, 2002. Proceedings. Fifth IEEE Southwest Symposium on
Conference_Location :
Sante Fe, NM
Print_ISBN :
0-7695-1537-1
DOI :
10.1109/IAI.2002.999910
