Tomoya Koseki

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Recent faster and more frequent train service at Tokaido Shinkansen makes it difficult to stabilize the feeding voltage only by compensating reactive power. Therefore, the active power compensation between two phases has been introduced for further stabilization of the voltage, and the converter control strategy called “fixed power-factor(More)
An efficient encoding approach by separating background/foreground videos from a single video is proposed for surveillance applications. The required bit-rate becomes less than a half of that by a standard H.264 approach. The reduction comes from the employment of the low resolution background pictures with a low frame-rate. In addition, the foreground(More)
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