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Kunio KASHINO
NTT Communication Science Laboratories, Nippon Telegraph and Telephone Corporation
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Kaoru HIRAMATSU
NTT Communication Science Laboratories, Nippon Telegraph and Telephone Corporation
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Junji YAMATO
NTT Communication Science Laboratories, Nippon Telegraph and Telephone Corporation
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Takeshi YAMADA
NTT Communication Science Laboratories, Nippon Telegraph and Telephone Corporation