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In this paper, we discuss sport technique evaluation using motion analysis model by neural networks and data mining methods. For students of university, we recorded the continuous forehand stroke of the table tennis in the video frames, and analyzed the trajectory pattern of nine marking points attached at subject's body with a coach's technique evaluation and the motion analysis model. As a result,...
The minimum possible size of sub-diffraction-limit imaging by the surface plasmon polarition (SPP) induced in thin metal lenses has been analyzed with FDTD method, considering plasmon interference, reflection and transmission of evanescent fields.
Precise titration using sub-picoliter droplet injection microfluidic system is proposed. This system can to measure less than 1 picoliter of reagent and to deliver to the micro chamber without diffusion which becomes major concern when the reagent volume is smaller. A prototype device can generate a droplet of 0.8 picoliter (800 femtoliter) in the metering channel of 40 mum times 5 mum times 4 mum,...
An automatic pitch type recognition system has been developed. It is difficult to determine the pitch type automatically from a baseball broadcast video, so the decision is currently made by specialists that have expertise and experience in baseball. We developed a system incorporating expertise of professionals. The system identifies pitch type, such as straight balls and curveballs, from single-view...
In a planar 4-way power divider consisting of three impedance-transforming branch-line couplers (BLC PD), the effects of interconnecting transmission lines have been investigated in terms of line length and characteristic impedance. When quarter-wavelength transmission lines are used for interconnection, the power division characteristics are improved in the sense of suitability for narrow-band communication...
We propose a new method of recognizing emotional factors from human gestures by analyzing motion capture (MoCap) data. It features multi-factorization processing combined with HMM recognition. The multi-factorization processing factorizes MoCap data into a third-order tensor that consists of spatial, statistical, and frequency-spatial components. This multi-factorization localizes the data in the...
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