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公开(公告)号：US11798293B2
公开(公告)日：2023-10-24
申请号：US16727435
申请日：2019-12-26
Applicant: Sony Mobile Communications Inc.
Inventor： Peter Ljung , Hannes Bergkvist , Jim Rasmusson , Johan Wadman , Magnus Ingelsten , Ivar Bergkvist
CPC classification number: G06V20/588 , G01C21/206 , G06V20/30 , H04N23/54 , G06V2201/06
Abstract: A device, system and method for determining a position of a movable object on a two-dimensional surface obtains, via an image capture device attached to the movable object, at least one image of a portion of the two-dimensional surface. At one virtual marker is identified in at least one image, and a previously determined estimated position of the at least one virtual marker is retrieved. The previously determined estimated position determined from a combination of an image of at least one anchor point on the two-dimensional surface, the at least one anchor point defining a unique position on the two-dimensional surface, and odometry measurements based on at least two images of the two-dimensional surface. The position of the movable object on the two-dimensional surface is determined from the estimated position of the at least one virtual marker.
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公开(公告)号：US11485024B2
公开(公告)日：2022-11-01
申请号：US16461722
申请日：2016-11-30
Applicant: Sony Mobile Communications Inc.
Inventor： Mattias Falk , Hannes Bergkvist , Ivar Bergkvist , Emil Hansson
Abstract: A device (10) is placed on an object (30). A reference feature of the object (30) is aligned with a reference feature of the device (10). Based on signals transmitted between at least one measurement point of the device (10) and a further device (20), a position of the at least one measurement point is measured. The position of the object (30) is then determined based on the measured position of the at least one measurement point and based on information on arrangement of the at least one measurement point in relation to the reference feature of the device (10).
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