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

fYear

2002

fDate

2002

Firstpage

158

Lastpage

162

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;

fLanguage

English

Publisher

ieee

Conference_Titel

Image Analysis and Interpretation, 2002. Proceedings. Fifth IEEE Southwest Symposium on

Conference_Location

Sante Fe, NM

Print_ISBN

0-7695-1537-1

Type

conf

DOI

10.1109/IAI.2002.999910

Filename

999910