Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1981-11-30
1983-11-29
Masinick, Michael A.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358222, 358214, 358 54, H04N 336
Patent
active
044183607
ABSTRACT:
Pictures produced by a camera are corrected to eliminate the effect of camera shake or of unwanted movement of the camera relative to the subject being viewed. Using the apparatus of FIG. 1 the adjustments required for each frame of a cine film are established by displaying each frame on a screen 9 and using a light pen 10 to record the co-ordinates of two characteristic features, e.g. bright spots, on each frame. Circuitry 13, 14, 16, 17, 20, 21, 22, 23 calculates from these co-ordinates the correction in x and y directions, tilt and magnification required for each frame. The correction values are stored in a recorder 24 in association with the appropriate frame number derived from a film drive 2.
The cine film is then re-filmed using equipment (not shown) which allows adjustment of the original film relative to the new film, and adjustment of magnification. This re-filming allows the appropriate corrections to each frame to be made by manual or automatic adjustment of the re-filming equipment in response to the correction values recorded at 24.
REFERENCES:
patent: 3772465 (1973-11-01), Vlahos et al.
patent: 3824336 (1974-07-01), Gould et al.
patent: 4220967 (1980-09-01), Ichida et al.
patent: 4297725 (1981-10-01), Shimizu et al.
Masinick Michael A.
The Marconi Company Limited
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