LENS SYSTEM
First Claim
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1. A system for projecting a pattern of light, the system comprising:
- a light source including a plurality of emitters configured to emit light, the plurality of emitters arranged in a pattern;
a cluster of lenses located in front of the light source, the cluster of lenses configured to focus and project light from the emitters in a plurality of directions, the focused and projected light forming a pattern of light;
a camera configured to detect the pattern of light on an object illuminated by at least a portion of the pattern of light; and
a computing device configured to execute instructions stored in memory to determine a location of the object in space based on at least the detected pattern of light on the object.
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Abstract
A fragmented lens system for creating an invisible light pattern useful to computer vision systems is disclosed. Random or semi-random dot patterns generated by the present system allow a computer to uniquely identify each patch of a pattern projected by a corresponding illuminator or light source. The computer may determine the position and distance of an object by identifying the illumination pattern on the object.
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Citations
20 Claims
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1. A system for projecting a pattern of light, the system comprising:
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a light source including a plurality of emitters configured to emit light, the plurality of emitters arranged in a pattern; a cluster of lenses located in front of the light source, the cluster of lenses configured to focus and project light from the emitters in a plurality of directions, the focused and projected light forming a pattern of light; a camera configured to detect the pattern of light on an object illuminated by at least a portion of the pattern of light; and a computing device configured to execute instructions stored in memory to determine a location of the object in space based on at least the detected pattern of light on the object. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for projecting a pattern of infrared light, the method comprising:
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emitting light from a light source including a plurality of emitters, the plurality of emitters arranged in a pattern; focusing the emitted light in a plurality of directions using a cluster of lenses located in front of the light source, the focused light forming a pattern of light; detecting the pattern of light on an object illuminated by at least a portion of the pattern of light; and determining a location of the object in space based on at least the detected pattern of light on the object, wherein the location of the object is determined by a computing device executing instructions stored in memory. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A tangible computer readable medium having instructions stored thereon, the instructions configured for execution by a computing system having one or more hardware processors in order to perform operations comprising:
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instructing a light source to emit light from a plurality of emitters arranged in a pattern, wherein the emitted light is focused in a plurality of directions by a cluster of lenses located in front of the light source in order to form a pattern of light; detecting the pattern of light on an object illuminated by at least a portion of the pattern of light; and determining a location of the object in space based on at least the detected pattern of light on the object. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification