We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
Robust Image Hashing With Singular Values Of Quaternion SVD.
- Authors
Tang, Zhenjun; Yu, Mengzhu; Yao, Heng; Zhang, Hanyun; Yu, Chunqiang; Zhang, Xianquan
- Abstract
Image hashing is an efficient technique of many multimedia systems, such as image retrieval, image authentication and image copy detection. Classification between robustness and discrimination is one of the most important performances of image hashing. In this paper, we propose a robust image hashing with singular values of quaternion singular value decomposition (QSVD). The key contribution is the innovative use of QSVD, which can extract stable and discriminative image features from CIE L*a*b* color space. In addition, image features of a block are viewed as a point in the Cartesian coordinates and compressed by calculating the Euclidean distance between its point and a reference point. As the Euclidean distance requires smaller storage than the original block features, this technique helps to make a discriminative and compact hash. Experiments with three open image databases are conducted to validate efficiency of our image hashing. The results demonstrate that our image hashing can resist many digital operations and reaches a good discrimination. Receiver operating characteristic curve comparisons illustrate that our image hashing outperforms some state-of-the-art algorithms in classification performance.
- Subjects
QUATERNIONS; RECEIVER operating characteristic curves; SINGULAR value decomposition; MULTIMEDIA systems; EUCLIDEAN distance
- Publication
Computer Journal, 2021, Vol 64, Issue 11, p1656
- ISSN
0010-4620
- Publication type
Article
- DOI
10.1093/comjnl/bxz127