Invited Talk
Special Topics in Computer Science
Department of Computer Science and Information Engineering
National Chung Cheng University
February 24, 2003
An Image Intellectual Property Protection Scheme for Gray-Level Images Using
Visual Secret Sharing Strategy
莊潤洲 (Jun Chou Chuang)
國中正大學資工系 (Dept CSIE, National Chung Cheng University)
Abstract
In this paper, we describe an image protection method for image intellectual
property. The concept of this paper is based on the visual secret sharing
scheme. We use the visual secret sharing scheme to construct two shares (also
called transparencies). One share is generated from the host image, and the
other share is arbitrarily generated by the owner. When the owner needs to be
identified, we can superimpose these two shares to recover the secret
information in order to validate the ownership. Our method has three
advantages. The first advantage is simple computation, which means that
our method does not use any complex computations such as discrete cosine
transformation (DCT), and thus our method can be executed efficiently.
The second advantage is that our method does not change any pixels of the host
image. The third advantage is that our method is secure and robust. From the
experimental results, our method can tolerate several image attacks, e.g.,
blurring, cropping, sharpening, JPEG lossy compression, etc.
Details of the paper can be found in:
Title:
An Image Intellectual Property Protection Scheme for Gray-Level Images Using
Visual Secret Sharing Strategy
Authors: C.C. Chang and Jun Chou Chuang
Journal: Pattern Recognition Letters