Augmented reality device and positioning method
AssigneeADAT Technology Co., Ltd.
InventorsKai-Hung SU, Mu-Heng LIN
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Abstract
A positioning method is provided for an electrical device including a depth sensor and an inertial measurement unit (IMU). The positioning method includes: calculating an initial position and an initial direction of the electrical device according to signals of the IMU; obtaining an environment point cloud from a database, and obtaining a partial environment point cloud according to the initial position and the initial direction; obtaining a read point cloud by the depth sensor; and matching the read point cloud and the partial environment point cloud to calculate an updated position and an updated direction of the electrical device.
Claims10
A positioning method for an electrical device comprising a depth sensor and an inertial measurement unit, the positioning method comprising:
- calculating an initial position and an initial direction of the electrical device according to signals obtained from the inertial measurement unit;
- obtaining an environment point cloud from a database, and obtaining a partial environment point cloud from the environment point cloud according to the initial position and the initial direction;
- obtaining a read point cloud by the depth sensor;
- and
- matching the read point cloud and the partial environment point cloud to calculate an updated position and an updated direction of the electrical device.
An augmented reality device comprising:
- an inertial measurement unit;
- a depth sensor;
- and
- a processor configured to perform a plurality of steps:
- calculating an initial position and an initial direction of the augmented reality device according to signals obtained from the inertial measurement unit;
- obtaining an environment point cloud from a database, and
- obtaining a partial environment point cloud from the environment point cloud according to the initial position and the initial direction;
- obtaining a read point cloud by the depth sensor;
- and
- matching the read point cloud and the partial environment point cloud to calculate an updated position and an updated direction of the electrical device.
Dependencies are inferred from the claim text.