Method and apparatus for demonstration of arbitrary surfaces wit

Details Method and apparatus for demonstration of arbitrary surfaces wit Method and apparatus for demonstration of arbitrary surfaces wit

1978-01-23

1979-09-11

Church, Craig E.

Radiant energy

Inspection of solids or liquids by charged particles

Analyte supports

250473, 250475R, G03B 4116

Patent

active

041676726

ABSTRACT:
A method and apparatus for demonstrating and recording an image of a surface of arbitrary shape and orientation within a body based on a set of tomographic records taken from a radiographic examination of the body. The tomographic records are overlaid on one another in superimposed relation, and then laterally shifted in concert with one another to bring into virtual focus a continuous succession of laminar images through the depth of the body. As the image of each successive body plane or lamina comes into focus, that part of the image that represents the intersection of the arbitrary surface with the imaged body plane or lamina is selected by masking out the remainder of the focused image. As the focusing progresses through the depth of the body, the entire arbitrary plane is demonstrated, and may be recorded by electronic or photographic means.

REFERENCES:
patent: 3499146 (1970-03-01), Richards
patent: 3742236 (1973-06-01), Richards
patent: 3818220 (1974-06-01), Richards

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