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SURVEILLANCE D'OCCUPATION DE MEUBLE
专利权人:
Koninklijke Philips N.V.;KONINKLIJKE PHILIPS NV
发明人:
申请号:
EP16744385.2
公开号:
EP3158502B1
申请日:
2016.07.27
申请国别(地区):
EP
年份:
2018
代理人:
摘要:
An apparatus comprises a projector for fixed attachment to a moveable part of an item of furniture, which changes its position and/or orientation relative to a surface in response to a movement of a subject occupying the item of furniture. The projector is arranged to project a pattern onto the surface. At least one camera is arranged to capture sequential images of the surface. A processing unit is arranged to: receive the images from the at least one camera; detect the projected pattern in the received images; detect a change to at least one feature of the projected pattern in the received images; determine whether the detected change satisfies at least one predefined criterion for a subject exit event; and output a signal based on the determining.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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