OBJECT RECOGNITION SYSTEM USING LEFT AND RIGHT IMAGES AND METHOD
First Claim
Patent Images
1. An object recognition system, comprising:
- a stereo camera to output left and right images of a same object; and
an object recognition device to extract left and right feature vectors of the left and right images received from the stereo camera, to compare the extracted left and right feature vectors with left and right feature vectors of left and right images of objects stored in a database, and to recognize the object present in the left and right images based on the comparison.
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Abstract
Disclosed herein are an object recognition system and method which extract left and right feature vectors from a stereo image of an object, find feature vectors which are present in both the extracted left and right feature vectors, compare information about the left and right feature vectors and the feature vectors present in both the extracted left and right feature vectors with information stored in a database, extract information of the object, and recognize the object.
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Citations
17 Claims
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1. An object recognition system, comprising:
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a stereo camera to output left and right images of a same object; and an object recognition device to extract left and right feature vectors of the left and right images received from the stereo camera, to compare the extracted left and right feature vectors with left and right feature vectors of left and right images of objects stored in a database, and to recognize the object present in the left and right images based on the comparison. - View Dependent Claims (2, 8, 9)
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3. The object recognition system according to claim, wherein:
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common feature vectors which are present in both the left and right images are stored in the database according to the objects, and the object recognition device matches the left and right feature vectors extracted from the left and right images to find common feature vectors which are present in both the left and right images and compares the found common feature vectors with the common feature vectors stored in the database to recognize the object present in the left and right images. - View Dependent Claims (4, 5, 6, 7)
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10. An object recognition method, comprising:
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receiving different left and right images obtained by photographing a same object using a photographing device; extracting left and right feature vectors from the received left and right images; matching the extracted left and right feature vectors with left and right feature vectors of left and right images of objects stored in a database; applying scores to the matched feature vectors of the objects according to a Euclidean distance; and summing the applied scores according to the left and right images and recognizing an object having a high summed score as an object present in the left and right images.
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11. An object recognition method, comprising:
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receiving different left and right images obtained by photographing a same object using a photographing device; extracting left and right feature vectors from the received left and right images; matching the extracted left and right feature vectors and extracting a plurality of common feature vectors which are present in both the left and right images; matching the plurality of extracted common feature vectors with a plurality of common feature vectors which are present in both left and right images of objects stored in a database; and recognizing an object present in the left and right images according to the matched results. - View Dependent Claims (12, 13, 14)
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15. An object recognition method, comprising:
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receiving different left and right images obtained by photographing a same object using a photographing device; extracting left and right feature vectors from the received left and right images; matching the extracted left and right feature vectors and extracting a plurality of common feature vectors which are present in both the left and right images and three-dimensional distances thereof; matching the left and right feature vectors, the plurality of common feature vectors, and the three-dimensional distances with values of objects stored in a database; and recognizing an object present in the left and right images according to the matched results. - View Dependent Claims (16, 17)
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Specification