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This article proposes a method to visualize information flows in the brain stemming from specific components making up electroencephalograms (EEGs). This method combines multidimensional directed information analysis, which is a method used in causality analysis of multidimensional time series, with independent component analysis to extract only directed information related to specific EEG components...
We have implemented a high-definition 3D audiovisual reproduction system based on higher-order ambisonics (HOA) using a surrounding-157-loudspeaker array combined with a 3D projection display to reproduce information with high sense-of-presence. In this report, we introduce the system overview as well as an investigation to realize good system synchronization, which we are keenly devoted to. Results...
The non-invasive ultrasound theragnostic system, we propose, tracks and follows movement in an affected area -kidney stones here-, while High-Intensity Focused Ultrasound (HIFU) is irradiated onto the area. In this paper, the concept of the novel medical support system, which integrates the therapy and diagnostics, is illustrated at first. Secondly, structuring the required functions for the proposed...
When the movement of an observer through a three-dimensional (3D) space is simulated via a multimodal display system, the synchrony of cues from different sensory modalities can help or hinder the creation of illusions of self motion. Stereoscopic stimuli provide particularly strong cues to self motion, through both binocular and motion disparity, but in the absence of these visual cues, movement...
Rapid dissemination of DT-MRI devices has evoked intensive research to come up with effective methods for grasping the structural features of acquired 3D diffusion tensor fields. In this paper, we further explore the potential of haptization in conjunction with visualization to represent different levels of information on the DT-MRI datasets. The main contribution of this paper is to propose a sophisticated...
We develop an emulation system for performing experiments related to active tag based pedestrian localization. We use emulation as an integral part of our development approach so as to be able to carry out large-scale experiments with ease, and in a repeatable manner. Our demonstration will show how to perform live emulation experiments on a remote network testbed located in Ishikawa, Japan. The experimental...
A middleware named EnGrid for distributed computing has been developed. The EnGrid employs the notion of pure peer-to-peer (P2P) for ease of use, not for sharing computer resources across the world as in conventional P2P. We have also developed three PSE systems on EnGrid for civil engineering applications: parameter sweep system for finite element method (FEM), parameter optimization system for FEM,...
This paper presents a robust robot self-localization method where robot will identify its own position based on visual appearance features in the environment. Many research studies have been conducted on the navigation method for the autonomous mobile robot, and introduced precise and accurate robot self-localization methods. However, we believe that in some situation, it is not necessary for a robot...
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