Apparatus for detecting a moving object in a motion picture sequ

Details Apparatus for detecting a moving object in a motion picture sequ Apparatus for detecting a moving object in a motion picture sequ

1990-05-25

1992-03-17

Peng, John K.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 96, H04N 718, H04N 700

Patent

active

050973274

ABSTRACT:
An apparatus for to extracting a video signal corresponding to a moving object in a video signal representing moving and stationary object comprises means for detecting a contour in the video signal and storing the contour data of successive frame in two frame buffers. Contour data stored in the two frame buffers are compared with each other so that a transition between corresponding portions of the two frame buffers are detected. This transition image is also stored in another memory and additional pixel transitions are interpolated at pixels having adjacent transitions. Thereafter, an area encompassed by the pixels representing the transition is combined with the video signal so that a motion video signal can be extracted.

REFERENCES:
patent: 4124871 (1978-11-01), Morrin, II
patent: 4663665 (1987-05-01), Tanaka et al.
patent: 4733300 (1988-03-01), Sugiyama et al.
patent: 4805018 (1989-02-01), Nishimura
patent: 4912556 (1990-03-01), Hirauchi et al.
patent: 5005078 (1991-04-01), Gillard
Technical Document Presented Sep. 30, 1988, H. Ueno et al., Entitled, "A Method of Moving Region Extraction Using Background Memory".
Technical Document Presented Nov. 21, 1985, A. Hasebe et al., Entitled, "SIPS: A Multiprocessor System for Video Image Processing".

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