Determination of the arc length of a curve

Details Determination of the arc length of a curve Determination of the arc length of a curve

1993-03-23

1994-05-31

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 28, 382 60, 395142, G06K 900

Patent

active

053176502

ABSTRACT:
The determination of the arc length of a curve incorporated into an imaging system in the production of images includes the determination of a sequence of steps of movement along the curve on a pixel grid in one direction. A terminating step along the curve in another direction neighboring the one direction is determined. The accumulated length of the sequence of steps is determined. A correction amount corresponding to the contribution of the terminating step is added to the accumulated length to yield a line segment length corresponding to the arc length.

REFERENCES:
patent: 4156231 (1979-05-01), Edamatsu et al.
patent: 4550504 (1985-11-01), Mehnert

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