Method and apparatus for sampling an object

Details Method and apparatus for sampling an object Method and apparatus for sampling an object

1994-09-19

1996-06-18

Porta, David P.

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

378 62, H05G 164

Patent

active

055286569

ABSTRACT:
An improved digital image sampling arrangement samples only one pixel of a predetermined region of pixels and assigns a density value to that pixel. The remaining, unsampled pixels of the region are then allocated density values based on the value of the sampled pixel using either a simple algorithm or an extrapolation algorithm. This improved arrangement provides more precise information about the sampled image than a prior art technique of merely enlarging each pixel by a predetermined factor.

REFERENCES:
patent: 4644398 (1987-02-01), Shimoni
patent: 4891844 (1990-01-01), Kiri
patent: 5164583 (1992-11-01), Aichinger et al.

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