Image surveillance/retrieval system
First Claim
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1. An image surveillance/retrieval system comprising:
- an image input unit for receiving image data;
an object processing unit for dividing each image frame of the image data into a plurality of block areas, for detecting each individual object from each image frame, for extracting, as one object, a series of appearances of each identical object in a plurality of image frames, and for extracting features of the object extracted as metadata for each of the plurality of block areas;
a metadata storage unit for storing the metadata obtained by said object processing for each of the plurality of block areas;
a query input unit for receiving a real-time detection query or a post-retrieval query;
a real-time detection processing unit for comparing the metadata for each of the plurality of block areas with the real-time detection query received by said query input unit, and for detecting an object which satisfies the real-time detection query;
a post-retrieval processing unit for comparing the metadata for each of the plurality of block areas which is stored in said metadata storage unit with the post-retrieval query received by said query input unit, and for retrieving an object which satisfies the post-retrieval query; and
a display unit for displaying either the object detected by said real-time detection processing unit or the object retrieved by said post-retrieval processing unit.
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Abstract
An object processing unit divides each image frame of received image data into block areas, extracts an object from each image frame, and extracts, as metadata, the features of this object for each block area. A real-time detection processing unit compares the metadata extracted for each block area with a received real-time detection query, and detects an object which satisfies the real-time detection query. A post-retrieval processing unit compares the metadata for each block area stored in a metadata storage unit with a received post-retrieval query, and retrieves an object which satisfies the post-retrieval query.
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Citations
7 Claims
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1. An image surveillance/retrieval system comprising:
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an image input unit for receiving image data; an object processing unit for dividing each image frame of the image data into a plurality of block areas, for detecting each individual object from each image frame, for extracting, as one object, a series of appearances of each identical object in a plurality of image frames, and for extracting features of the object extracted as metadata for each of the plurality of block areas; a metadata storage unit for storing the metadata obtained by said object processing for each of the plurality of block areas; a query input unit for receiving a real-time detection query or a post-retrieval query; a real-time detection processing unit for comparing the metadata for each of the plurality of block areas with the real-time detection query received by said query input unit, and for detecting an object which satisfies the real-time detection query; a post-retrieval processing unit for comparing the metadata for each of the plurality of block areas which is stored in said metadata storage unit with the post-retrieval query received by said query input unit, and for retrieving an object which satisfies the post-retrieval query; and a display unit for displaying either the object detected by said real-time detection processing unit or the object retrieved by said post-retrieval processing unit. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification