Towards robust hidden watermarking using multiple quasi-circles. - Veena Sridhar; Xiaobo Li 001; Mario A. Nascimento (MM&Sec, 2001)

Region-Based Image Retrieval Using Multiple-Features. - Veena Sridhar; Mario A. Nascimento; Xiaobo Li 001 (VISUAL, 2002)

Effective and efficient region-based image retrieval. - Mario A. Nascimento; Veena Sridhar; Xiaobo Li 001 (J. Vis. Lang. Comput., 2003)