Signature generation and object detection that refer to rare scenes
First Claim
Patent Images
1. A method for updating an object detector, the method comprises:
- receiving an image of a rare scene and a request to update the object detector to detect a rare object that appears in the rare scene;
calculating, by a signature generator, a signature of the image of the rare scene;
wherein the signature of the rare scene includes a certain number of object identifiers;
calculating, by the signature generator, reference signatures of a large number of reference images;
searching for reference signatures that match the signature of the rare scene to provide matching reference signatures;
generating a cluster that comprises the signature of the rare scene and the matching reference signatures;
generating one or more cluster identifiers, each cluster identifier comprises a set of object identifiers that are shared by at least a predefined number of signatures of the cluster;
wherein a number of object identifiers per set is smaller than the certain number; and
associating the one or more cluster identifiers with the object detector.
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Abstract
Systems, and method and computer readable media that store instructions for calculating signatures, utilizing signatures and the like.
369 Citations
30 Claims
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1. A method for updating an object detector, the method comprises:
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receiving an image of a rare scene and a request to update the object detector to detect a rare object that appears in the rare scene; calculating, by a signature generator, a signature of the image of the rare scene;
wherein the signature of the rare scene includes a certain number of object identifiers;calculating, by the signature generator, reference signatures of a large number of reference images; searching for reference signatures that match the signature of the rare scene to provide matching reference signatures; generating a cluster that comprises the signature of the rare scene and the matching reference signatures; generating one or more cluster identifiers, each cluster identifier comprises a set of object identifiers that are shared by at least a predefined number of signatures of the cluster;
wherein a number of object identifiers per set is smaller than the certain number; andassociating the one or more cluster identifiers with the object detector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A non-transitory computer readable medium for updating an object detector, the non-transitory computer readable medium stores instructions for:
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receiving an image of a rare scene and a request to update the object detector to detect a rare object that appears in the rare scene; calculating, by a signature generator, a signature of the image of the rare scene;
wherein the signature of the rare scene includes a certain number of object identifiers;calculating, by the signature generator, reference signatures of a large number of reference images; searching for reference signatures that match the signature of the rare scene to provide matching reference signatures; generating a cluster that comprises the signature of the rare scene and the matching reference signatures; generating one or more cluster identifiers, each cluster identifier comprises a set of object identifiers that are shared by at least a predefined number of signatures of the cluster;
wherein a number of object identifiers per set is smaller than the certain number;and associating the one or more cluster identifiers with the object detector. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A system that comprises a communication unit and a processor, wherein the communication unit is configured to receive an image of a rare scene and a request to update the object detector to detect a rare object that appears in the rare scene;
- calculate, by a signature generator of the processor, a signature of the image of the rare scene;
wherein the signature of the rare scene includes a certain number of object identifiers;
calculate, by the signature generator, reference signatures of a large number of reference images;
search for reference signatures that match the signature of the rare scene to provide matching reference signatures;
generate a cluster that comprises the signature of the rare scene and the matching reference signatures;
generate one or more cluster identifiers, each cluster identifier comprises a set of object identifiers that are shared by at least a predefined number of signatures of the cluster;
wherein a number of object identifiers per set is smaller than the certain number; and
associate the one or more cluster identifiers with the object detector. - View Dependent Claims (30)
- calculate, by a signature generator of the processor, a signature of the image of the rare scene;
Specification