Systems and methods for pedestrian detection in images
First Claim
Patent Images
1. A method for determining whether a person is present in an image, comprising:
- receiving a plurality of images, wherein each image comprises a plurality of pixels;
determining a modified center symmetric local binary pattern (MS-LBP) feature for the plurality of pixels for each image, wherein the MS-LBP feature is calculated on a gradient magnitude map without using an interpolation process, and wherein a value for each pixel is a gradient magnitude; and
determining that the person is present in one of the images in accordance with the MSLBP; and
classifying the image using a linear support vector machine (SVM) that integrates two different features on a single stage classifier, wherein a first of the two different features is created by a first feature descriptor and a second one of the two different features is created by a second feature descriptor, wherein the first feature descriptor is the MS-LBP, and wherein one of the features is the MS-LBP feature created by the MS-LBP.
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Abstract
System, apparatus, and method embodiments are provided for detecting the presence of a pedestrian in an image. In an embodiment, a method for determining whether a person is present in an image includes receiving a plurality of images, wherein each image comprises a plurality of pixels and determining a modified center symmetric local binary pattern (MS-LBP) for the plurality of pixels for each image, wherein the MS-LBP is calculated on a gradient magnitude map without using an interpolation process, and wherein a value for each pixel is a gradient magnitude.
18 Citations
31 Claims
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1. A method for determining whether a person is present in an image, comprising:
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receiving a plurality of images, wherein each image comprises a plurality of pixels; determining a modified center symmetric local binary pattern (MS-LBP) feature for the plurality of pixels for each image, wherein the MS-LBP feature is calculated on a gradient magnitude map without using an interpolation process, and wherein a value for each pixel is a gradient magnitude; and determining that the person is present in one of the images in accordance with the MSLBP; and classifying the image using a linear support vector machine (SVM) that integrates two different features on a single stage classifier, wherein a first of the two different features is created by a first feature descriptor and a second one of the two different features is created by a second feature descriptor, wherein the first feature descriptor is the MS-LBP, and wherein one of the features is the MS-LBP feature created by the MS-LBP. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A network component configured for determining a presence of a pedestrian in an image, comprising:
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a processor; and a computer readable storage medium storing programming for execution by the processor, the programming including instructions to; receive a plurality of images, wherein each image comprises a plurality of pixels; determine a modified center symmetric local binary pattern (MS-LBP) feature for the plurality of pixels for each image, wherein the MS-LBP feature is calculated on a gradient magnitude map without using an interpolation process, and wherein a value for each pixel is a gradient magnitude; determine that the pedestrian is present in one of the images in accordance with the MS-LBP; and classify the image using a linear support vector machine (SVM) that integrates two different features on a single stage classifier, wherein a first of the two different features is created by a first feature descriptor and a second one of the two different features is created by a second feature descriptor, wherein the first feature descriptor is the MS-LBP, and wherein one of the features is the MS-LBP feature created by the MS-LBP. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A system for determining whether an image contains an image of a pedestrian, comprising:
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a feature computation unit comprising a processor, wherein the feature computation unit is configured to determine a modified center symmetric local binary pattern (MS-LBP) feature for a plurality of pixels for an image, wherein the MS-LBP feature is calculated on a gradient magnitude map without using an interpolation process, and wherein a value for each pixel is a gradient magnitude; and a classifier/detector configured to determine whether the image contains an image of a person based at least in part on the MS-LBP, wherein the classifier/detector is further configured to classify the image using a linear support vector machine (SVM) that integrates two different features on a single stage classifier, wherein a first of the two different features is created by a first feature descriptor and a second one of the two different features is created by a second feature descriptor, wherein the first feature descriptor is the MS-LBP, and wherein one of the features is the MS-LBP feature created by the MS-LBP. - View Dependent Claims (26, 27, 28, 29, 30, 31)
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Specification