Data identification in an intelligent video information management system
First Claim
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1. A video information analysis apparatus, comprising:
- storage means for storing a video information data base;
analysis means for analyzing video information in the data base in accordance with a predetermined analysis algorithm, said predetermined analysis algorithm for assigning to respective portions of said video information analysis scores each indicative of a degree to which the respective portion of said video information represents a predetermined analysis feature, each said analysis score being a value within a predetermined range of values comprising at least three values.
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Abstract
Video data storage apparatus stores on a hard disk plural fields of video data and header data associated with each field of video data. The video data is reproduced from the hard disk and the reproduced video data is processed by an image analysis algorithm. Data indicative of the outcome of the image analysis is then recorded on the hard disk as part of the header data.
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Citations
53 Claims
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1. A video information analysis apparatus, comprising:
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storage means for storing a video information data base; analysis means for analyzing video information in the data base in accordance with a predetermined analysis algorithm, said predetermined analysis algorithm for assigning to respective portions of said video information analysis scores each indicative of a degree to which the respective portion of said video information represents a predetermined analysis feature, each said analysis score being a value within a predetermined range of values comprising at least three values. - View Dependent Claims (2, 3, 4)
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5. A method of operating an apparatus for storing and retrieving video data, the method comprising the steps of:
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storing a plurality of fields of video data on a first hard disk; storing index data on said first hard disk. said index data including data indicative of respective times at which said fields of video data were generated and respective locations on said first hard disk at which said fields of video data are stored; and storing said index data on a second hard disk; wherein said video data stored on said first hard disk includes video data representative of respective streams of video signals generated by a plurality of cameras, and said index data stored on said first and second hard disks includes data indicative of respective cameras by which said fields of video data stored on said first hard disk were generated. - View Dependent Claims (6, 7)
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8. A method of operating an apparatus for storing and retrieving video data. the method comprising the steps of:
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storing a plurality of fields of video data on a first hard disk; storing index data on said first hard disk. said index data including data indicative of respective times at which said fields of video data were generated and respective locations on said first hard disk at which said fields of video data are stored; and storing said index data on a second hard disk; wherein said index data stored on said first and second hard disks includes data indicative of characteristics of said video data stored on said first hard disk, said characteristics of said video data having been detected by applying a video data analysis algorithm to said video data. - View Dependent Claims (9, 10)
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11. A video data storage apparatus, comprising:
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a video data source for providing a dynamic stream of video data frames; a data memory device for storing the dynamic stream of video data frames provided by the video data source; and control means for designating a main portion of said data memory device, said main portion for recording said dynamic stream of video data frames at a first frame rate, said control means also designating a buffer portion of said data memory device, said buffer portion for recording said dynamic stream of video data frames at a second frame rate that is higher than said first frame rate. - View Dependent Claims (12, 13)
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- 14. A data storage medium on which is stored video data representing a plurality of video image frames, frame identification data indicative of respective times at which said video image frames were generated, and characteristic data indicative of respective characteristics of the video image frames represented by said video data, said respective characteristics having been detected by applying an image analysis algorithm to said video data.
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26. A video information storage apparatus, comprising:
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a video camera for generating a stream of dynamic images; storage means for storing respective video data portions each of which represents an image from said stream of dynamic images, each said video data portion including header data; means for moving the video camera to change a field of view of the video camera; and control means for providing control signals to said means for moving to control movement of the video camera; said control means being connected to said storage means to provide to said storage means signals indicative of times when said control means is causing said camera to be moved; said storage means responding to said signals provided to said storage means from said control means, by including a motion signal in the header data included in the video data portions corresponding to images generated at said times when said camera is moved, said motion signal indicating that the respective image was taken by said camera when said camera was moving. - View Dependent Claims (27, 28, 29)
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30. A method of storing and indexing video information, comprising the steps of:
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using a movable video camera to generate a stream of dynamic images; storing video data representing the stream of dynamic images; and storing indexing data in association with the stored video data, said stored indexing data including movement data indicating, as to each image represented by the stored video data, whether the respective image was generated at a time when the camera was being moved. - View Dependent Claims (31)
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32. A method of transmitting and displaying video information, comprising the steps of:
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receiving a plurality of streams of video information each generated by a respective video camera; transmitting said plural streams of video information to display means field by field; and displaying each of said plural streams of video information in a respective display window on a display screen; wherein said transmitting step includes appending, to each field of each of said plural streams of video information, header data which includes data indicative of the one of said display windows in which the field is to be displayed. - View Dependent Claims (33)
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34. Apparatus for transmitting and displaying video information, comprising:
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means for receiving a plurality of streams of video information each generated by a respective video camera; display means for simultaneously displaying each of said plural streams of video information in a respective display window on a display screen; means for appending, to each field of said received plural stream of video information, header data which includes data indicative of the one of said display windows in which the respective field is to be displayed; and means for transmitting the received fields of video information, with the appended header data, to the display means. - View Dependent Claims (35, 36, 37, 38, 39)
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40. A method of storing video information, comprising the steps of:
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recording plural fields of video data on a recording medium, each of said fields of video data representing a respective image; recording on said recording medium, in association with each of said fields of video data, header data including data indicative of a source of the image represented by the respective field; reproducing from the recording medium the recorded fields of video data; processing at least one of the header data and the reproduced fields of video data to obtain a processing result; and on the basis of said processing result, recording process result data on said recording medium in the header data for at least one of said reproduced fields of video data. - View Dependent Claims (41, 42, 43, 44)
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45. Apparatus for storing video data, comprising:
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means for recording plural fields of video data on a recording medium, each of said fields of video data representing a respective image; means for recording on said recording medium, in association with each of said fields of video data, header data including data indicative of a source of the image represented by the respective field; means for reproducing from the recording medium the recorded fields of video data; processing means for processing at least one of the header data and the reproduced fields of video data, to generate process result data; and means, responsive to said processing means, for recording the process result data on said recording medium in the header data for at least one of said reproduced fields of video data. - View Dependent Claims (46, 47, 48, 49)
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50. A method of operating an apparatus for storing and retrieving video data, the method comprising the steps of:
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storing a plurality of fields of video data on a first hard disk; storing index data on said first hard disk. said index data including data indicative of respective times at which said fields of video data were generated and respective locations on said first hard disk at which said fields of video data are stored; and storing said index data on a second hard disk; wherein said index data stored on said first and second hard disks includes data indicative of alarm conditions detected at times when respective portions of the video data stored on said first hard disk were generated.
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51. A video data storage apparatus, comprising:
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a video data source for providing a dynamic stream of video data fields; a data memory device for storing the dynamic stream of video data fields provided by the video data source; and control means for designating a main portion of said data memory device, said main portion for recording said dynamic stream of video data fields at a first field rate, said control means also designating a buffer portion of said data memory device, said buffer portion for recording said dynamic stream of video data fields at a second field rate that is higher than said first field rate. - View Dependent Claims (52)
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53. A data storage medium on which is stored video data representing a plurality of video image fields, field identification data indicative of respective times at which said video image fields were generated, and characteristic data indicative of respective characteristics of the video image fields represented by said video data, said respective characteristics having been detected by applying an image analysis algorithm to said video data.
Specification