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In this research, we developed a real-time fluid simulator for a haptic interface to display a virtual environment including 3-dimensional fluid by using smoothed particles hydrodynamics (SPH). SPH is a type of particle method and is suitable for a fast computation; however, it is difficult to incorporate sufficient fluid incompressibility in SPH for simulating a real-time process. This is because...
An approach to realize manipulation of elastic object in virtual environment is discussed. In the approach, the behavior of elastic object during interaction is separately described by two components: rigid-body motion and elastic deformation. The component of motion is simulated by solving equations of motion, while the component of deformation is reproduced from a set of deformation sequences in...
This paper describes a wearable electronic mnemonics, the iFlashBack system that promotes human memorization process for the action the user performed in the real-world. The goal of the system is to exploit unlimited capacity of the human brain for storing the variety of information, by assisting memorization using recorded video and related information captured during interaction process to real-world...
Describes the design and implementation of an artificial force display for immersive projection displays (IPD) such as CAVE or CABIN. In order to give the user maximum freedom of motion in the large virtual space generated by an IPD, it is necessary to use a portable force display that is self-contained on the user's body. Therefore, we developed a wearable force display called HapticGEAR. It is a...
In this paper we discuss application possibilities of virtual reality technology such as immersive projection technology to the field of genome science. The prototype of the visualization environment is implemented and used in analysis to elucidate the important genes in categorizing liver cancer.
Cutting is an essential operation for forming and designing shapes. We have implemented a virtual cutting work space, in which we can create objects of various shapes through cutting operations. An object in the work space is defined as a closed surface that consists of triangle patches. The cutting operation is performed as boolean operations between the object and a cutting surface corresponding...
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