Devices, apparatus, and articles of manufacturing to monitor environments
First Claim
Patent Images
1. An audience measurement device, comprising:
- a depth sensor; and
a depth analyzer, including at least one of a processor or hardware, to;
analyze a first depth value corresponding to a coordinate of an object of an image captured by the depth sensor, the first depth value having been captured with the depth sensor positioned at a first angle relative to a reference axis;
initiate the depth sensor to move to a second angle relative to the reference axis, the second angle being different than the first angle;
trigger capture of a second depth value at the coordinate with the depth sensor positioned at the second angle; and
calculate a depth gradient for the coordinate based on the first depth value, the second depth value, and a difference between the first angle and the second angle.
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Abstract
Methods, apparatus, and articles of manufacture to monitor environments are disclosed. An example method includes analyzing a first depth value corresponding to a coordinate of an object of an image captured by a depth sensor, the first depth value having been captured with the depth sensor positioned at a first angle relative to a reference axis; moving the depth sensor to a second angle relative to the reference axis, the second angle being different than the first angle; triggering capture of a second depth value at the coordinate with the depth sensor positioned at the second angle; and calculating a depth gradient for the coordinate based on the first and second depth values.
30 Citations
20 Claims
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1. An audience measurement device, comprising:
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a depth sensor; and a depth analyzer, including at least one of a processor or hardware, to; analyze a first depth value corresponding to a coordinate of an object of an image captured by the depth sensor, the first depth value having been captured with the depth sensor positioned at a first angle relative to a reference axis; initiate the depth sensor to move to a second angle relative to the reference axis, the second angle being different than the first angle; trigger capture of a second depth value at the coordinate with the depth sensor positioned at the second angle; and calculate a depth gradient for the coordinate based on the first depth value, the second depth value, and a difference between the first angle and the second angle. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A tangible computer readable storage medium comprising instructions that, when executed, cause a machine to at least:
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analyze a first depth value corresponding to a coordinate of an object of an image captured by a depth sensor, the first depth value having been captured with the depth sensor positioned at a first angle relative to a reference axis; cause the depth sensor to move to a second angle relative to the reference axis, the second angle being different than the first angle; trigger capture of a second depth value at the coordinate with the depth sensor positioned at the second angle; and calculate a depth gradient for the coordinate based on the first depth value, the second depth value, and a difference between the first angle and the second angle. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. An apparatus, comprising:
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a depth sensor to collect images of an environment, the depth sensor having a housing; means for tilting the housing of the depth sensor to a first angle relative to a reference axis; means for determining a first depth value associated with a coordinate of a first image collected with the housing tilted at the first angle relative to the reference axis; means for tilting the housing to a second angle relative to the reference axis, the second angle being different from the first angle; means for determining a second depth value associated with the coordinate in a second image collected by the depth sensor with the housing tilted at the second angle; and means for calculating a depth gradient for the coordinate based on the first depth value, the second depth value, and a difference between the first angle and the second angle. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification