System and method for mitigating or preventing eye damage from structured light IR/NIR projector systems
First Claim
1. A system comprising:
- a) a structured light (SL) projector having a multi-light-source array that projects a SL pattern onto an object;
b) a first camera for imaging the light pattern projected onto the object and, optionally, for imaging the object to provide a first stream of frames;
c) a multi-light-source array controller configurable to control separately an on or off status and/or an intensity of each light source in the multi-light-source array; and
d) an algorithm operative to detect in the first camera frames SL pattern elements projected onto the object, to detect eyes of a user, to compare a position of each projected SL pattern element with a position of the detected eyes, and to send commands to the multi-light-source array controller to turn off or reduce the intensity of array light sources that are projected or likely to be projected onto the user'"'"'s eyes.
1 Assignment
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Accused Products
Abstract
Systems and methods for mitigating or preventing eye damage from structured light IR/NIR projector systems. When a SL projector with a multi-light-source array that projects a SL pattern onto an object, a first camera images the light pattern projected on the object and optionally provides camera frames viewed by a user. A multi-light-source array controller is configurable to control separately an on or off status and/or an intensity of each light source in the multi-light-source array, and an algorithm is operative to detect in the first camera frames SL pattern elements projected onto the object, to detect the eyes of the user, to compare a position of each projected SL pattern element with a position of the detected eyes, and to send commands to the multi-light-source array controller to turn off or reduce the intensity of array light sources that are projected or likely to be projected onto the user'"'"'s eyes.
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Citations
15 Claims
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1. A system comprising:
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a) a structured light (SL) projector having a multi-light-source array that projects a SL pattern onto an object; b) a first camera for imaging the light pattern projected onto the object and, optionally, for imaging the object to provide a first stream of frames; c) a multi-light-source array controller configurable to control separately an on or off status and/or an intensity of each light source in the multi-light-source array; and d) an algorithm operative to detect in the first camera frames SL pattern elements projected onto the object, to detect eyes of a user, to compare a position of each projected SL pattern element with a position of the detected eyes, and to send commands to the multi-light-source array controller to turn off or reduce the intensity of array light sources that are projected or likely to be projected onto the user'"'"'s eyes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method, comprising:
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a) using a structured light (SL) projector having a multi-light-source array to project a SL pattern onto an object; b) using a first camera for imaging the light pattern projected on the object and optionally, for imaging the object to provide first camera frames c) configuring a multi-light-source array controller to control separately an on or off status and/or an intensity of each light source in the multi-light-source array; d) detecting in the first camera frames SL pattern elements projected onto the object and detecting eyes of a user; e) comparing a position of each detected SL pattern element with a position of the detected eyes; and f) sending commands to the multi-light-source array controller to turn off or reduce the intensity of array light sources that are projected or likely to be projected onto the eyes of the user. - View Dependent Claims (15)
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Specification