Scene boundary detecting apparatus

Details Scene boundary detecting apparatus Scene boundary detecting apparatus

1990-01-11

1993-01-12

Envall, Jr., Roy N.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358335, 360 141, H04N 979

Patent

active

051794497

ABSTRACT:
A dynamic image editor apparatus for video tape automatically moves to the beginning frames of scenes. A characteristic data such as the illuminance of each frame is measured. Neighboring frames are compared to detect the change in the characteristic data between frames. When the difference exceeds a threshold level a scene boundary is determined. The editor may then automatically move to a scene boundary in the forward or rewind direction so that the user can edit the scenes at exactly the boundary frame.

REFERENCES:
patent: 4774582 (1988-09-01), Hakamada et al.
patent: 4890168 (1989-12-01), Inoue et al.
patent: 4974111 (1990-11-01), Platte et al.
patent: 4985755 (1991-01-01), Shimoda et al.
patent: 4990782 (1991-02-01), Sakamoto et al.
patent: 4998171 (1991-03-01), Kim et al.

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