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Proceedings Paper

A mobile unit for memory retrieval in daily life based on image and sensor processing
Author(s): Ryuji Takesumi; Yasuhiro Ueda; Hidenobu Nakanishi; Atsuyoshi Nakamura; Nobuaki Kakimori
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Paper Abstract

We developed a Mobile Unit which purpose is to support memory retrieval of daily life. In this paper, we describe the two characteristic factors of this unit. (1)The behavior classification with an acceleration sensor. (2)Extracting the difference of environment with image processing technology. In (1), By analyzing power and frequency of an acceleration sensor which turns to gravity direction, the one's activities can be classified using some techniques to walk, stay, and so on. In (2), By extracting the difference between the beginning scene and the ending scene of a stay scene with image processing, the result which is done by user is recognized as the difference of environment. Using those 2 techniques, specific scenes of daily life can be extracted, and important information at the change of scenes can be realized to record. Especially we describe the effect to support retrieving important things, such as a thing left behind and a state of working halfway.

Paper Details

Date Published: 30 September 2003
PDF: 8 pages
Proc. SPIE 5264, Optomechatronic Systems IV, (30 September 2003); doi: 10.1117/12.517472
Show Author Affiliations
Ryuji Takesumi, Sharp Corp. (Japan)
Yasuhiro Ueda, Sharp Corp. (Japan)
Hidenobu Nakanishi, Sharp Corp. (Japan)
Atsuyoshi Nakamura, Sharp Corp. (Japan)
Nobuaki Kakimori, Sharp Corp. (Japan)

Published in SPIE Proceedings Vol. 5264:
Optomechatronic Systems IV
George K. Knopf, Editor(s)

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