Dr. D. J. Lee and three of his Ph.D. students (Dong Zhang, Zhaoyi Wei, and Kirt Lillywhite) will be presenting 3 papers and 1 poster at the fourth International Symposium on Visual Computing (ISVC) on December 1~3 in Las Vegas, NV. Paper titles are ""Security Analysis for Spread-Spectrum Watermarking Incorporating Statistics of Natural Images"", .Accurate Optical Flow Sensor for Obstacle Avoidance"", .Unsupervised Video Shot Segmentation Using Global Color and Texture Information., and .Edge Detection from Global and Local Views Using an Ensemble of Multiple Edge Detectors.. Proceedings will be published in Lecture Notes in Computer Science by Springer.