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3D virtual environment (VE) technology becomes widespread use in various fields such as education, manufacturing, art, medical training and practice, and entertainment. It enables users to interact with virtual objects through multiple sensory channels such as visual, auditory, and touch sensations. Design and development of a realistic 3DVE application, however, requires some specialized knowledge and skills such as 3D visualization theories, sensory input and output control methods, and proficiency in 3D authoring techniques. This makes the 3DVE development a difficult task for everyone. We have been working on the development of 3DVE authoring techniques which allow even novices to intuitively design and develop 3DVE components without paying attention to any technical details. We have been applied a technical framework called interactive evolutionary computation (IEC) to build intuitive 3D authoring environments. The IEC-based systems present multiple 3D images to a user and let him/her to rank each image based on his/her subjective preference. Then, the system creates a new set of images by evolving the ranked images using evolutionary computation techniques. This human-in-the-loop exploration process is iterated until he/she finds a good result. I will introduce basic concept and mechanism of the IEC-based 3DVE authoring with two example application systems, an interactive 3D modeler and a haptic rendering optimizer.
Hiroaki Nishino is an Associate Professor of Computer Science and Intelligent Systems at Oita University. He graduated Kyushu University with Master of Engineering degree in 1985. He joined NEC Corporation in the same year as a software engineer. After he spent ten years in NEC, he moved to Oita University as a Research Associate in 1995. He received his Doctoral degree in Computer Science from Kyushu University in 2002. His current research interests include computer graphics, haptic interface, and distributed virtual environment.
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