Television – Basic receiver with additional function – Instant replay or freeze frame
Reexamination Certificate
1998-12-03
2004-08-17
Miller, John (Department: 2614)
Television
Basic receiver with additional function
Instant replay or freeze frame
C348S576000, C348S578000, C348S722000, C345S473000
Reexamination Certificate
active
06778223
ABSTRACT:
FIELD OF THE ART
The present invention relates to an image display apparatus and method, and more particularly to an image display apparatus and method suitable for application to, for example, displaying an image based on a sequence of moving image data.
BACKGROUND ART
Conventionally, the confirmation of an outline of a material recorded on a recording medium as a visible image, such as a video image recorded on a so-called cinematographic-film, and selection of a desired scene from the material may be performed simply by viewing the visible view recorded on the recording medium.
On the other hand, the conformation of an outline of a material recorded in an invisible state on a recording medium such as a video tape, a disk or the like, as is the case of moving image data, and selection of a desired scene from the material, may be performed by sequentially displaying moving images based on the moving image data on a monitor along a time stream or by intermittently displaying still images in the moving images at intervals of predetermined frames.
However, when the confirmation of an outline of a material recorded in an invisible state on a recording medium, and the selection of a desired scene from the material are performed as described above, an operator only views a two-dimensional image at each time, or only views a two-dimensional still image at a certain time.
For this reason, a reduction in time is limited for confirming an outline of a material. Likewise, for selecting a desired scene, it is difficult to locate a required scene without operations in a time-base direction such as reproduction, fast forwarding or rewinding, and so on of a reproducing apparatus such as a video tape recorder or the like.
In recent years, non-linear media providing a high multi-accessibility, for example, hard disk drives and so on have been utilized as recording media for moving image data. When such recording media are utilized in a reproducing apparatus, such operations as simultaneous fast forwarding or winding of a plurality of moving images or the same moving image from a plurality of access points in parallel, or reproduction of one frame of image at each desired point may be frequently performed on the reproducing apparatus (hard disk drive or the like).
Therefore, when a non-linear medium is utilized as a recording medium for recording moving image data for purposes of building, for example, an editing system, an associated reproducing apparatus is required to provide a high functionality in terms of data accessibility, data transfer rate, data transmission speed and so on. As a result, these requirements causes a problem that a low price system is difficult to build.
DISCLOSURE OF INVENTION
The present invention has been made in view of the foregoing problem, and is intended to propose an image display apparatus and an image display method which are capable of readily accomplishing the confirmation of an outline of moving images and the selection of a desired scene from the moving images in a short time.
To solve the problems, the present invention provides an image display apparatus comprising creating means for creating image data of a still image based on data produced by one-dimensionally sampling a sequence of two-dimensionally displayed moving image data in one direction while sequentially moving a sampling position in another direction, detecting means for detecting particular frame images in a sequence of moving images based on the moving image data, and display means for displaying the particular frame images detected by the detecting means together with the still image based on the image data created by the creating means along a common time base.
As a result, an operator can immediately recognize an overall stream of moving images represented by the moving image data based on the displayed particular frame images and still image.
Also, the present invention provides an image display method comprising a first step of creating image data of a still image based on data produced by one-dimensionally sampling a sequence of two-dimensionally displayed moving image data in one direction while sequentially moving a sampling position in another direction, and detecting particular frame images in a sequence of moving images based on the moving image data, and a second step of displaying the particular frame images detected at the first step together with the still image based on the image data created by the creating means along a common time base.
As a result, an operator can immediately recognize an overall stream of moving images represented by the moving image data based on the displayed particular frame images and still image.
According to the present invention as described above, an image display apparatus is provided with creating means for creating image data of a still image based on data produced by one-dimensionally sampling a sequence of two-dimensionally displayed moving image data in one direction while sequentially moving a sampling position in another direction, detecting means for detecting particular frame images in a sequence of moving images based on the moving image data, and display means for displaying the particular frame images detected by the detecting means together with the still image based on the image data created by the creating means along a common time base, thereby allowing an operator to immediately recognize an overall stream of the moving images represented by the moving image data based on the displayed particular frame images and still image. Consequently, it is possible to realize an image display apparatus which is capable of readily confirming an outline of moving images and selecting a desired scene therefrom in a short time.
Also, according to the present invention, an image display method comprises a first step of creating image data of a still image based on data produced by one-dimensionally sampling a sequence of two-dimensionally displayed moving image data in one direction while sequentially moving a sampling position in another direction, and detecting particular frame images in a sequence of the moving images based on the moving image data, and a second step of displaying the particular frame images detected at the first step together with the still image based on the image data created by the creating means along a common time base, thereby allowing an operator to immediately recognize an overall stream of the moving images represented by the moving image data based on the displayed particular frame images and still image. Consequently, it is possible to realize an image display method which is capable of readily confirming an outline of moving images and selecting a desired scene therefrom in a short time.
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Frommer William S.
Frommer & Lawrence & Haug LLP
Miller John
Polito Bruno
Sony Corporation
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