1. Secure spread spectrum watermarking for multimedia;Cox;IEEE Trans. Image Process.,1997
2. Fleck, M., Forsyth, D., Bregler, C., 1996. Finding naked people. European Conf. on Computer Vision. II, pp. 592–602
3. Li, X.L., 2002a. Content based image retrieval system with new low-level features, new similarity metric, and novel feedback learning. IEEE Int. Conf. on Machine Learning and Cybernetics, pp. 1126–1132
4. Li, X.L., 2002b. A security-based visual information retrieval scheme. IEEE Int. Conf. on Machine Learning and Cybernetics, pp. 1119–1121
5. Li, X.L., Tao, D.C., Yuan, Y., Yu, N.H., Liu, Z.K., Tang, X.O., 2002. Illumination-invariant color histogram spectrum feature for content-based image retrieval. IEEE Int. Conf. on Methods & Models in Automation & Robotics, pp. 555–559