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A Rescanner with Photographic Color Readout¹

ABSTRACT

Readout limitations in the original rescanner (an analog computer system for scan record analysis) prompted us to explore photographic color recording as a readout. This resulted in a definite quantitative relationship between colors in rescan record and the opacity of an original record, averaged over a definite area. The contour-map nature of the final record seems to be a useful way of presenting re-processed, or "computed", scan information.

Preliminary results are gratifying, and though they indicate the need for a better and faster system, it appears that this method of computer analysis of scan records is promising.

FOOTNOTES

¹ Research jointly sponsored Union Carbide Corporation and Oak Ridge Associated Universities for the U. S. Atomic Energy Commission.

² Oak Ridge National Laboratory, Oak Ridge, Tennessee.

³ Medical Division, Oak Ridge Associated Universities, Oak Ridge, Tennessee.

⁴ Present address: Dept. of Radiology, Chiba University, Chiba, Japan.