Method and system for displaying selected portions of a motion video image
First Claim
1. A motion video image retrieval system for retrieving and displaying a desired portion of a sequence of still video image frames forming a motion video image, said system comprising:
- memory means, distinct from said motion video image, comprising;
means for storing frame sequence data indicating the organization of said motion video image into a plurality of still video image frame sequences according to physical or semantic changes in scenes of said motion video image, means for storing still video image data frames representative of individual still video image frames of each of said frame sequences,means for storing logical frame structure data of said frame sequences, andmeans for storing attribute data for each of said frame sequences;
means for retrieving from said memory means a representative frame selected from said still video image data frames, corresponding to said logical frame structure and said attribute data for a selected frame sequence as selected by a user of said system; and
means for displaying said retrieved representative frame of said still video image data frames from said retrieving means, on a video display, said retrieved representative frame being said desired portion of said motion video image.
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Abstract
A method for storing and managing motion video image information for retrieving scenes of interest in a short time from a many-hour motion video image stored in a recording medium. As motion video image information for managing and retrieving a motion video image, a whole motion video image R is hierarchically divided into frame sequences A, A1, A11 . . . of shorter time according to the construction and the semantic contents thereof, and logical frame structure data representing the hierarchical relationship of the frame sequences, attribute data At of the frame sequences, and still video images rf of representative frames are generated, which are associated with each other to create a data file. Retrieval of a motion video image is performed by extracting frame sequences using the attribute data and logical frame structure as retrieval keys for the data file of the motion video image information, and confirming the contents using the still video image rf of the representative frames. Any scene can be randomly accessed and associated scenes can also be retrieved easily, and thus a motion video image of interest can quickly be retrieved from a many-hour motion video image.
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Citations
12 Claims
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1. A motion video image retrieval system for retrieving and displaying a desired portion of a sequence of still video image frames forming a motion video image, said system comprising:
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memory means, distinct from said motion video image, comprising;
means for storing frame sequence data indicating the organization of said motion video image into a plurality of still video image frame sequences according to physical or semantic changes in scenes of said motion video image, means for storing still video image data frames representative of individual still video image frames of each of said frame sequences,means for storing logical frame structure data of said frame sequences, and means for storing attribute data for each of said frame sequences; means for retrieving from said memory means a representative frame selected from said still video image data frames, corresponding to said logical frame structure and said attribute data for a selected frame sequence as selected by a user of said system; and means for displaying said retrieved representative frame of said still video image data frames from said retrieving means, on a video display, said retrieved representative frame being said desired portion of said motion video image. - View Dependent Claims (2, 3, 4, 5)
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6. A motion video image retrieval system for displaying a desired portion of a motion video image formed of a sequence of individual still video image frames, said system comprising:
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means for storing a motion video image; frame sequence generating means for organizing individual frames of said motion video image into frame sequences according to scene changes in said motion video image and for generating frame sequence information indicative thereof; representative frame creating means for determining frames representative of said frame sequences and creating a still video image data frame for each of said representative frames; logical frame structure creating means for creating a logical structure of said frame sequences, and for generating logical frame structure data indicative thereof, means for creating said attribute data for each of said frame sequences, memory means comprising; means for storing frame sequence data indicating the organization of said motion video image into a plurality of frame sequences according to physical or semantic changes of said motion video image, and including said frame sequence information, means for storing said still video image data frames, distinct from said motion video image, for each of said representative frames of said frame sequences, means for storing said logical frame structure data, and means for storing said attribute data for each of said frame sequences; means for retrieving from said memory means a still video image data frame, corresponding to logical frame structure data and said attribute data for a selected frame sequence as selected by a user of said system; means for displaying at least one of a still image from said retrieval means of said representative frame from said still video image data frames, according to said logical frame structure data and said attribute data corresponding to said selected frame sequence, and an entire selected frame sequence of frames from said still video image data frames on a TV monitor responsive to logical frame structure data and attribute data entered by a user. - View Dependent Claims (7)
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8. A method for displaying a desired portion of a motion video image formed of a sequence of individual still video image frames, said method comprising:
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storing frame sequence data, within a memory which is distinct from said motion video image, indicating the organization of said motion video image into a plurality of frame sequences according to physical or semantic changes in scenes of said motion video image, storing still video image data frames representative of individual frames of said frame sequences, storing logical frame structure data describing a logical frame structure of said frame sequences, and storing attribute data for each of said frame sequences; retrieving from said memory an individual frame, the representative still video image data frame of which corresponds to logical frame structure data and attribute data for a selected frame sequence as selected by a user of said system; and displaying said individual frame, on a video display, said individual frame being said desired portion of said motion video image. - View Dependent Claims (9, 10, 11, 12)
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Specification