Method and apparatus for high speed dynamic image region extract

Details Method and apparatus for high speed dynamic image region extract Method and apparatus for high speed dynamic image region extract

1992-04-30

1994-07-26

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 16, 382 22, 348578, G06K 946, G06F 1566

Patent

active

053332130

ABSTRACT:
An image region extraction capable of extracting an image of a significant moving object in a dynamic image accurately and easily at high speed. The operator is required to manually enter the rough boundaries for the significant region in the first two fields of the dynamic image only, and the subsequent extraction operation for each subsequent field of the dynamic image is carried out automatically according to the conjectured rough boundary obtained on a basis of the extraction regions for the two fields immediately preceding that field. The extraction region for the significant region is obtained from the rough boundary on a basis of an original image of a respective field of the dynamic image, and the extracted image of the significant region in each field of the dynamic image is obtained by multiplying the original image of each field and the extraction region for the significant region in each field.

REFERENCES:
patent: 4626908 (1986-12-01), Tani
patent: 5012522 (1991-04-01), Lambert
patent: 5103488 (1992-04-01), Gemello et al.
patent: 5107252 (1992-04-01), Traynor et al.
patent: 5136659 (1992-08-01), Kaneko et al.
patent: 5142368 (1992-08-01), Pohl
patent: 5194941 (1993-03-01), Grimaldi et al.

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