ACCELERATION SENSOR OUTPUT PROCESSING PROGRAM, PROCESSING METHOD, PROCESSING APPARATUS, AND GAIT ASSESSMENT PROGRAM

An acceleration sensor output processing program for causing a computer to execute a process having generating an outer product of a gravity component vector that is extracted from a sensor value of a triaxial acceleration sensor which is detected during walking by a low pass filter and a swing comp...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAGUCHI KATSUYOSHI, SUGIMOTO TAKANAO, SENTA YOSUKE, NAGASHIMA FUMIO, KITA TAKEO
Format:	Patent
Sprache:	eng
Schlagworte:	DIAGNOSIS GYROSCOPIC INSTRUMENTS HUMAN NECESSITIES HYGIENE IDENTIFICATION INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEDICAL OR VETERINARY SCIENCE NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURGERY SURVEYING TESTING
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Beschreibung
Zusammenfassung:	An acceleration sensor output processing program for causing a computer to execute a process having generating an outer product of a gravity component vector that is extracted from a sensor value of a triaxial acceleration sensor which is detected during walking by a low pass filter and a swing component vector that is extracted from the sensor value by a high pass filter; obtaining a first value corresponding to a magnitude of the outer product; determining an odd-numbered walking period and an even-numbered walking period of the walking; and generating a magnitude of acceleration in one and the other horizontal directions by inverting a sign of the first value in accordance with a result of the determining.