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公开(公告)号：US20200348423A1
公开(公告)日：2020-11-05
申请号：US16583149
申请日：2019-09-25
Applicant: Apple Inc.
Inventor： Hyojoon BAE , Isaac T. MILLER , Robert W. MAYOR
Abstract: A device implementing a system for estimating device location includes at least one processor configured to receive a first estimated position of the device at a first time. The at least one processor is further configured to capture, using an image sensor of the device, images during a time period defined by the first time and a second time, and determine, based on the images, a second estimated position of the device, the second estimated position being relative to the first estimated position. The at least one processor is further configured to receive a third estimated position of the device at the second time, and estimate a location of the device based on the second estimated position and the third estimated position.
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公开(公告)号：US20200348143A1
公开(公告)日：2020-11-05
申请号：US16583195
申请日：2019-09-25
Applicant: Apple Inc.
Inventor： Saurabh GODHA , Hyojoon BAE , Isaac T. MILLER , Robert W. MAYOR
Abstract: A device implementing a system for estimating device orientation includes at least one processor configured to obtain a first estimate for a heading of a device, the first estimate being based on output from a magnetometer of the device. The at least one processor is further configured to capture image data using an image sensor of the device, and determine at least one second estimate of the heading based on correlating the image data with mapping data. The at least one processor is further configured to determine a bias associated with output of the magnetometer based on the first estimate and the at least one second estimate, and adjusting output of the magnetometer based on the determined bias.
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公开(公告)号：US20220137237A1
公开(公告)日：2022-05-05
申请号：US17578446
申请日：2022-01-19
Applicant: Apple Inc.
Inventor： Hyojoon BAE , Isaac T. MILLER , Robert W. MAYOR
Abstract: A device implementing a system for estimating device location includes at least one processor configured to receive a first estimated position of the device at a first time. The at least one processor is further configured to capture, using an image sensor of the device, images during a time period defined by the first time and a second time, and determine, based on the images, a second estimated position of the device, the second estimated position being relative to the first estimated position. The at least one processor is further configured to receive a third estimated position of the device at the second time, and estimate a location of the device based on the second estimated position and the third estimated position.
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