Transactions on Computational Science XXIII [electronic resource] : Special Issue on Cyberworlds / edited by Marina L. Gavrilova, C. J. Kenneth Tan, Xiaoyang Mao, Lichan Hong.

Incrementally Modular Abstraction Hierarchy Using Algebraic Topology -- Fast and Stable Deformations Using the Mesh Intersection Algorithm -- Gaussian Curvature Based Localized Stylization Method for View-Dependent Lines Extracted from 3D Models -- Image-Driven Haptic Rendering -- Multi-touch Interface and Motion Control Model for Interactive Character Animation -- Efficacy of a Virtual Environment for Training Ball Passing Skills in Rugby -- Preparing for International Operations and Developing Scenarios for Inter-cultural Communication in a Cyberworld: A Norwegian Army Example -- Collision-Free Navigation with Extended Terrain Maps -- Audio-Visual Art Performance System Using Computer Video Output -- Based on Component Video to Audio Signal Conversion -- Experiments for Emotion Estimation from Biological Signals and Its Application -- Real-Time Subject-Dependent EEG-Based Emotion Recognition Algorithm.

This, the 23rd issue of the Transactions on Computational Science journal, guest edited by Xiaoyang Mao and Lichan Hong, is devoted to the topic of security in virtual worlds. It contains extended versions of the best papers selected from those presented at the International Conference on Cyberworlds 2013, held at Keio University, Yokohama, Japan, October 21-23, 2013. The 11 papers in the volume have been organized into topical sections on modeling, rendering, motion, virtual environments and affective computing.