ゲーム用入力デバイスを用いた3次元グラフィクスビューワソフトウェアの開発と医用画像表示

概要

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Three-dimensional(3D)virtual space is recognized by some ubiquitous devices(controllers)in the world of computer games. Wii® Remote(Nintendo, Japan)is the controller of Wii®, and some sensors and interfaces are installed. 3D acceleration sensor enables to work as a 3D positional sensor. Our trial is to develop a 3D medical graphic viewer using a game-input-device, Wii Remote.The 3D acceleration sensor can recognize 3D virtual space preciously and permit the intuitive operation. The programming language for a medical graphic viewer development was C#. We used the OpenSource Project, Wiimotelib 1.7, for C++/C#. 3D virtual place was created by XNA GameStudio 3.1(Microsoft). Our development included the rotation, parallel displacement/shift/translation, scaling(expansion/reduction)of 3D objects, and various light-source settings.As results, the 3D object was rotated using three axes of the 3D acceleration sensor and enlarged or reduced using Wii Remotes Up and Down buttons. Also the 3D object showed the parallel translation using the cross-joint button while a trigger button B pressed. A medical graphic viewer was developed using a game-input-device, Wii Remote. Various operations are demonstrated. Such intuitive operation shows potentials as a medical graphic viewer.