Hisayuki Tatsumi

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For a visually impaired person landmarks play central role in his environment recognition. We set landmarks in the environment by RFIDs. We want to identify, trace and localizing them. As visually impairedness badly interfere with the detection of changes in the environment, we target localization of active RFID tags which are deployed in the room and(More)
We are developing a system for a visually impaired person to learn kanji writing using a haptic interface. Use of kanjis by the visually impaired is rare, yet crusial when he signs for a credit card. Inspired from the direct applicability of the dual-stylus mode of haptic devices to mimic teacher-student hold-of-hand practice method of writing, we describe(More)