Method and apparatus for an adaptive threshold based object detection
First Claim
Patent Images
1. A method for detecting an object in an image, comprising:
- receiving, by a processor, the image;
calculating, by the processor, a score for each one of a plurality of locations in the image;
performing, by the processor, a box plot of the score of the each one of the plurality of locations of the image;
identifying, by the processor, an outlier score that falls outside of the box plot;
determining, by the processor, that a distance ratio of the outlier score is less than a predefined distance ratio, wherein the distance ratio is a ratio that is based upon a comparison of a first distance of a second highest score and a second distance of the outlier score; and
detecting, by the processor, the object in a location of the plurality of locations of the image corresponding to the outlier score.
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Abstract
A method, non-transitory computer readable medium, and apparatus for detecting an object in an image are disclosed. For example, the method receives the image, calculates a score for each one of a plurality of locations in the image, performs a box plot of the score of the each one of the plurality of locations of the image, identifies an outlier score that falls outside of the box plot, determines that a distance ratio of the outlier score is less than a predefined distance ratio and detects the object in a location of the plurality of locations of the image corresponding to the outlier score.
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Citations
18 Claims
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1. A method for detecting an object in an image, comprising:
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receiving, by a processor, the image; calculating, by the processor, a score for each one of a plurality of locations in the image; performing, by the processor, a box plot of the score of the each one of the plurality of locations of the image; identifying, by the processor, an outlier score that falls outside of the box plot; determining, by the processor, that a distance ratio of the outlier score is less than a predefined distance ratio, wherein the distance ratio is a ratio that is based upon a comparison of a first distance of a second highest score and a second distance of the outlier score; and detecting, by the processor, the object in a location of the plurality of locations of the image corresponding to the outlier score. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A non-transitory computer-readable medium storing a plurality of instructions, which when executed by a processor, cause the processor to perform operations for detecting an object in an image, the operations comprising:
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receiving the image; calculating a score for each one of a plurality of locations in the image; performing a box plot of the score of the each one of the plurality of locations of the image; identifying an outlier score that falls outside of the box plot; determining that a distance ratio of the outlier score is less than a predefined distance ratio, wherein the distance ratio is a ratio that is based upon a comparison of a first distance of a second highest score and a second distance of the outlier score; and detecting the object in a location of the plurality of locations of the image corresponding to the outlier score. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method for detecting an object in an image, comprising:
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analyzing, by a processor, a plurality of training images having a known object to calculate a predefined distance ratio; receiving, by the processor, the image, wherein the image is of a vehicle; calculating, by the processor, a score for each one of a plurality of locations in the image, wherein the scoring is performed in accordance with a function based upon one or more landmark points and a mixture of parts of the image; performing, by the processor, a box plot of the score of the each one of the plurality of locations of the image, the box plot comprising a lowest score, a 25th percentile, a median, a 75th percentile and a second highest score; identifying, by the processor, an outlier score that falls outside of the box plot; determining, by the processor, that a distance ratio of the outlier score is less than the predefined distance ratio; detecting, by the processor, the object in a location of the plurality of locations of the image corresponding to the outlier score, wherein the object is a person; and calculating, by the processor, a total number of objects in the image to determine if the vehicle is in violation of a total number of passengers requirement for a high occupancy vehicle lane. - View Dependent Claims (16, 17, 18)
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Specification