Dynamically allocating detection elements to pixels in LIDAR systems
First Claim
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1. A LIDAR system, comprising:
- at least one processor configured to;
control activation of at least one light source for illuminating a field of view;
receive, during a scanning cycle of the field of view and from at least one sensor, a reflection signal associated with an object in the field of view and a first pixel in the scanning cycle, wherein a time lapse between light leaving the at least one light source and corresponding reflected light returning from the object and impinging on the least one sensor to cause generation of the reflection signal constitutes a first time of flight;
determine an amplification parameter associated with the at least one sensor based on the reflection signal associated with the first pixel; and
alter the amplification parameter associated with the at least one sensor during a second time of flight associated with a second pixel in the scanning cycle, wherein the second pixel is different from the first pixel.
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Abstract
The present disclosure provides systems and methods that use LIDAR technology. In one implementation, a LIDAR system includes at least one processor configured to: control activation of at least one light source for illuminating a field of view; receive from at least one sensor a reflection signal associated with an object in the field of view, a time lapse between light leaving the at least one light source and reflection impinging on the least one sensor constituting a time of flight; and alter an amplification parameter associated with the at least one sensor during the time of flight.
13 Citations
28 Claims
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1. A LIDAR system, comprising:
at least one processor configured to; control activation of at least one light source for illuminating a field of view; receive, during a scanning cycle of the field of view and from at least one sensor, a reflection signal associated with an object in the field of view and a first pixel in the scanning cycle, wherein a time lapse between light leaving the at least one light source and corresponding reflected light returning from the object and impinging on the least one sensor to cause generation of the reflection signal constitutes a first time of flight; determine an amplification parameter associated with the at least one sensor based on the reflection signal associated with the first pixel; and alter the amplification parameter associated with the at least one sensor during a second time of flight associated with a second pixel in the scanning cycle, wherein the second pixel is different from the first pixel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A LIDAR method, comprising:
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controlling activation of at least one light source for illuminating a field of view; receiving, during a scanning cycle of the field of view and from at least one sensor, a reflection signal associated with an object in the field of view and a first pixel in the scanning cycle, wherein a time lapse between light leaving the at least one light source and corresponding reflected light returning from the object and impinging on the least one sensor to cause generation of the reflection signal constitutes a first time of flight; determining an amplification parameter associated with the at least one sensor based on the reflection signal associated with the first pixel; and altering the amplification parameter associated with the at least one sensor during a second time of flight associated with a second pixel in the scanning cycle, wherein the second pixel is different from the first pixel. - View Dependent Claims (20, 21, 22, 23, 24)
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25. A vehicle, comprising:
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a body; at least one processor located within the body and configured to; control activation of at least one light source for illuminating a field of view ahead of the body; receive, during a scanning cycle of the field of view and from a least one sensor, a reflection signal associated with an object in the field of view and a first pixel in the scanning cycle, wherein a time lapse between light leaving the at least one light source and corresponding reflected light returning from the object and impinging on the least one sensor to cause generation of the reflection signal constitutes a first time of flight; determine an amplification parameter associated with the at least one sensor based on the reflection signal associated with the first pixel; and alter the amplification parameter associated with the at least one sensor during a second time of flight associated with a second pixel in the scanning cycle, wherein the second pixel is different from the first pixel. - View Dependent Claims (26, 27, 28)
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Specification