Wide angle depth detection
First Claim
Patent Images
1. A depth sensing camera, comprising:
- an illumination light projection subsystem;
an image detection subsystem configured to acquire image data including one or more images, each of the one or more images having a field of view of 100 degrees or greater, the image detection subsystem comprising an image sensor and one or more lenses, wherein the image sensor comprises a plurality of non-uniformly-sized pixels;
a logic subsystem configured to execute instructions; and
a data-holding subsystem comprising stored instructions executable by the logic subsystem to control projection of illumination light and to determine depth values from image data acquired via the image sensor.
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Abstract
Embodiments for a depth sensing camera with a wide field of view are disclosed. In one example, a depth sensing camera comprises an illumination light projection subsystem, an image detection subsystem configured to acquire image data having a wide angle field of view, a logic subsystem configured to execute instructions, and a data-holding subsystem comprising stored instructions executable by the logic subsystem to control projection of illumination light and to determine depth values from image data acquired via the image sensor. The image detection subsystem comprises an image sensor and one or more lenses.
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Citations
20 Claims
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1. A depth sensing camera, comprising:
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an illumination light projection subsystem; an image detection subsystem configured to acquire image data including one or more images, each of the one or more images having a field of view of 100 degrees or greater, the image detection subsystem comprising an image sensor and one or more lenses, wherein the image sensor comprises a plurality of non-uniformly-sized pixels; a logic subsystem configured to execute instructions; and a data-holding subsystem comprising stored instructions executable by the logic subsystem to control projection of illumination light and to determine depth values from image data acquired via the image sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A time-of-flight depth camera, comprising:
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an illumination light projection subsystem comprising one or more infrared light sources; an image detection subsystem configured to acquire image data having a field of view of 170 degrees or greater, the image detection subsystem comprising an image sensor comprising a plurality of non-uniformly-sized pixels, and one or more lenses; a logic subsystem configured to execute instructions; and a data-holding subsystem comprising stored instructions executable by the logic sub system to; control projection of the one or more infrared light sources; acquire image data via the image detection subsystem; correct for radial distortion in the image data to generate corrected image data; and determine depth values from the corrected image data. - View Dependent Claims (15, 16, 17)
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18. In a structured light depth camera including a projector, an image sensor comprising a plurality of non-uniformly-sized pixels, and one or more lenses, a method of acquiring image data comprising:
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projecting a pre-distorted structured light pattern including a plurality of non-uniformly-spaced pattern elements having a lower resolution at a periphery of the structured light pattern than at a center of the structured light pattern; acquiring image data via the plurality of non-uniformly-sized pixels of the image sensor, the image data capturing the structured light pattern as reflected from a depth imaging environment; correcting for radial distortion in the image data to generate corrected image data; and determining depth values from the corrected image data. - View Dependent Claims (19, 20)
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Specification