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公开(公告)号：US20180180682A1
公开(公告)日：2018-06-28
申请号：US15495618
申请日：2017-04-24
发明人： Quentin Simon Charles Miller , Scott Francis Fullam , Lev Cherkashin , Steven James Velat , Simon Skaria
IPC分类号： G01R33/00 , G01B7/00 , G06F3/01 , G06F3/0346 , G06F17/50
摘要： A mixed-reality system causes a magnetic transmission device to transmit a magnetic field signal. The mixed-reality system also causes a magnetic-field sensing device to determine a measurement of the magnetic field signal. The mixed-reality system then identifies, using one or more input devices, that a magnetically-interfering object is located within a same environment as both the magnetic transmission device and the magnetic-field sensing device. The mixed-reality system also determines one or more characteristics of magnetic field interference that the magnetically-interfering object is imparting on the magnetic transmission device or the magnetic-field sensing device. The mixed-reality system then computes an adjustment to a pose-estimation model based upon the one or more characteristics of magnetic field interference. The pose-estimation model is used to calculate a pose of at least one of the magnetic transmission device or the magnetic-field sensing device.
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公开(公告)号：US10746815B2
公开(公告)日：2020-08-18
申请号：US15495618
申请日：2017-04-24
发明人： Quentin Simon Charles Miller , Scott Francis Fullam , Lev Cherkashin , Steven James Velat , Simon Skaria
IPC分类号： G01R33/00 , G06F3/01 , G06F3/038 , G06F30/20 , G01B7/00 , G06F3/0346 , G06F111/10
摘要： A mixed-reality system causes a magnetic transmission device to transmit a magnetic field signal. The mixed-reality system also causes a magnetic-field sensing device to determine a measurement of the magnetic field signal. The mixed-reality system then identifies, using one or more input devices, that a magnetically-interfering object is located within a same environment as both the magnetic transmission device and the magnetic-field sensing device. The mixed-reality system also determines one or more characteristics of magnetic field interference that the magnetically-interfering object is imparting on the magnetic transmission device or the magnetic-field sensing device. The mixed-reality system then computes an adjustment to a pose-estimation model based upon the one or more characteristics of magnetic field interference. The pose-estimation model is used to calculate a pose of at least one of the magnetic transmission device or the magnetic-field sensing device.
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