Optics: motion pictures – Film strip viewing apparatus
Patent
1991-03-11
1992-01-28
Hayes, Monroe H.
Optics: motion pictures
Film strip viewing apparatus
352 38, 352 87, G03B 2100
Patent
active
050838601
ABSTRACT:
There is provided a method for detecting change points between cuts from motion picture images including a plurality of consecutive images. First of all, in this method, motion picture images which are the subject of detection of change point between cuts are inputted in a time series by taking a frame as the unit, and a predetermined feature quantity including a color histogram possessed by image data of said motion picture images is produced while taking a frame as the unit. A correlation coefficient with respect to feature quantity between the above described feature quantity and a feature quantity produced in an immediately preceding frame is then produced. Further, a change rate between the correlation coefficient of the current frame and a correlation coefficient produced for a frame preceding the current frame is produced. A time point whereat the change rate exceeds a predetermined allowable value is detected as a change point between cuts of the motion picture images.
REFERENCES:
patent: 4501478 (1985-02-01), Mattes
patent: 4606625 (1986-08-01), Geshwind
patent: 4980762 (1990-12-01), Heeger et al.
Miyatake Takafumi
Ueda Hirotada
Yoshizawa Satoshi
Hayes Monroe H.
Institut for Personalized Information Environment
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