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Visual induced motion sickness (VIMS) is one of the most effective factor of visual discomfort on wide screen such as 4K display. Though Biosignal parameter such as LF/HF wasn't reflect the VIMS enough considering individuality, we focus body motion effects that caused by VIMS itself. From the experimental result, the disturbance of body motion reflect time-sequence discomfort and might be possible...
One of the common query patterns is to find approximate matches to a given query object in a large database. This kind of query processing is referred as similarity search in a metric space. In this paper, we propose a new metric index MB+tree, called Metric B+tree, which supports near neighbour searching in a generic metric space. MB+tree is aimed at reducing both the number of I/O accesses and the...
To construct petrological model for island arc crusts having relatively higher geothermal gradient, we developed experim ental techniques capable for simultaneous measurement of P- and S-wave velocities of an encapsulated rock specimen up to 1 GPa and 1000°C. In this paper we introduce our experimental methods and discuss petrological models of the Izu-Bonin-Mariana (IBM) island arc architecture....
A single-shot multispectral camera equipped with a filter array has the potential to promote a fast and low-cost multispectral imaging system. We focus on the design of a multispectral filter array and demosaicking in this paper and propose a pathology-specific multispectral imaging system. The spectral sensitivities and patterns of the filter array are optimized by using training data of real pathological...
We study the effects of visual induced motion sickness (VIMS) of Stereoscopic 3D interactive video as compared to the 2D condition using a subjective score and bio-signal index. LF/HF ratio from R-R interval from ECG and respiration is used as the bio-signal index. The results show that 3D video yields significantly higher subjective discomfort scores than 2D video. However, the bio-signal index with...
Visually induced motion sickness (VIMS) is a key factor triggering discomfort with image viewing systems. Reducing VIMS by shrinking the field of view (FOV) is effective though this increases discomfort through situational awareness loss. This paper derives an objective score from bio-signals to evaluate multifactor discomforts caused by VIMS and FOV. We also investigate the image characteristics...
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