Image stability in telecines

Details Image stability in telecines Image stability in telecines

1993-02-26

1997-04-08

Razavi, Michael T.

Television

Special applications

Film, disc or card scanning

348102, 348208, H04N 336, H04N 5253, H04N 911, H04N 947

Patent

active

056192584

ABSTRACT:
A telecine uses a flying-spot scanner to derive video images from a film. A scan control circuit is used to control the scan of the flying-spot to introduce special effects. Pairs of successive images may be misaligned and a motion vector estimator is used to detect the amount of misalignment. This produces a shift vector for an image stabilizer to shift one of the images of a pair. The motion vector estimator also receives data from the scan control circuit relating to any special effect in the images and corrects the shift vector in dependence on this.

REFERENCES:
patent: 4833544 (1989-05-01), Sato et al.
patent: 4897729 (1990-01-01), Mumford et al.
patent: 4984086 (1991-01-01), Mumford et al.
patent: 5189518 (1993-02-01), Nishida
patent: 5194958 (1993-03-01), Pearman et al.

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