Method and system for detecting a fallen person using a range imaging device

Method and system for detecting a fallen person using a range imaging device

A method and system for detecting a fallen person is described. An initial range image corresponding to a field of view of a DAS is generated. Further, a reference plane disposed in the field of view is identified. Additionally, one or more regions in the initial range image indicative of one or mor...

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Hauptverfasser: CUDDIHY PAUL EDWARD, BUFI COREY NICHOLAS
Format: Patent
Sprache:eng
Schlagworte:
ALARM SYSTEMS
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
ORDER TELEGRAPHS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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creator CUDDIHY PAUL EDWARD
BUFI COREY NICHOLAS
description A method and system for detecting a fallen person is described. An initial range image corresponding to a field of view of a DAS is generated. Further, a reference plane disposed in the field of view is identified. Additionally, one or more regions in the initial range image indicative of one or more objects disposed above the reference plane in the field of view are determined. Further, the DAS regenerates a range image corresponding to the field of view after a determined time period. The regenerated range image is compared with the initial range image to determine if the regenerated range image comprises a new object disposed above the reference plane. The new object is determined to be the fallen person if a height of the new object is less than a determined height and a volume and/or a surface area of the new object is greater than a determined value.
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subjects ALARM SYSTEMS
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
ORDER TELEGRAPHS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
title Method and system for detecting a fallen person using a range imaging device
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