Apparatus and method for performing coordinate transformation em

Details Apparatus and method for performing coordinate transformation em Apparatus and method for performing coordinate transformation em

1990-06-11

1994-06-14

Herndon, Heather R.

G06F 1500

Patent

active

053217977

ABSTRACT:
A coordinate transformation method and apparatus that uses a lookup table to store a sample of transformed output values and an interpolator for interpolating between samples of the output values to provide an output data value. The samples are stored at varying sample spacings to accommodate varying curvatures of the transformation function so as to minimize interpolation errors.

REFERENCES:
patent: 4346402 (1982-08-01), Pugsley
patent: 4477833 (1984-10-01), Clark et al.
patent: 4839721 (1989-06-01), Abdulwahab et al.
patent: 5063375 (1991-11-01), Lien et al.

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