LiDAR system producing multiple scan paths and method of making and using same
First Claim
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1. A method, comprising:
- forming a first scan path with a light detection and ranging (LiDAR) scanning system on an aircraft flying above the ground, the first scan path at a first angle in relation to the aircraft toward the ground,forming a second scan path with the LiDAR scanning system, the second scan path at a second angle in relation to the aircraft, the second angle toward the ground and different relative to the first angle;
forming a third scan path with the LiDAR scanning system, the third scan path at a third angle in relation to the aircraft, the third angle different than the first angle and the second angle; and
creating a digital elevation map of the ground, and vertical and horizontal surfaces above the ground, using the first, second, and third scan pathswherein each scan path is produced by deflection of a light beam off of a deflection element and progression of the light beam below the LiDAR scanning system towards the ground, the deflection element having at least three sides, each side positioned at a different angle, the direction of each scan path varying with rotation of the deflection element and rotation of the deflection element alternates each of the first scan path, second scan path and third scan path.
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Abstract
LiDAR scanning methods are disclosed, including a method comprising forming a first scan path with a light detection and ranging (LiDAR) scanning system on an aircraft flying above the ground, the first scan path at a first angle in relation to the aircraft toward the ground; forming a second scan path with the LiDAR scanning system, the second scan path at a second angle in relation to the aircraft, the second angle toward the ground and different relative to the first angle; and creating a digital elevation map of the ground, and vertical and horizontal surfaces above the ground, using the first and second scan paths.
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Citations
14 Claims
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1. A method, comprising:
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forming a first scan path with a light detection and ranging (LiDAR) scanning system on an aircraft flying above the ground, the first scan path at a first angle in relation to the aircraft toward the ground, forming a second scan path with the LiDAR scanning system, the second scan path at a second angle in relation to the aircraft, the second angle toward the ground and different relative to the first angle; forming a third scan path with the LiDAR scanning system, the third scan path at a third angle in relation to the aircraft, the third angle different than the first angle and the second angle; and creating a digital elevation map of the ground, and vertical and horizontal surfaces above the ground, using the first, second, and third scan paths wherein each scan path is produced by deflection of a light beam off of a deflection element and progression of the light beam below the LiDAR scanning system towards the ground, the deflection element having at least three sides, each side positioned at a different angle, the direction of each scan path varying with rotation of the deflection element and rotation of the deflection element alternates each of the first scan path, second scan path and third scan path. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification