Two dimensional linearity and registration error correction in a

Details Two dimensional linearity and registration error correction in a Two dimensional linearity and registration error correction in a

1993-10-28

1998-03-24

Mancuso, Joseph

Image analysis

Image transformation or preprocessing

Changing the image coordinates

358428, 382300, G06K 932

Patent

active

057321620

ABSTRACT:
A system for correcting registration errors in a printer. The system includes a memory device for storing sequential rasters of image data and an interpolator coupled to the memory device, the interpolator using the rasters of image data from the memory device in conjunction with multiplication factors to calculate an interpolated resample value. The system also includes addressing circuitry for providing address signals to the memory device, the addressing circuitry also providing the multiplication factors to the two dimensional interpolator. Finally, included is a correction device for providing adjustment values to the addressing circuitry, the adjustment values being used to correct for the registration errors.

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