Method of reconstructing cross-section image

Details Method of reconstructing cross-section image Method of reconstructing cross-section image

1979-12-10

1982-04-20

Krass, Errol A.

Boots, shoes, and leggings

250336, 250445T, 358111, G01N 2300

Patent

active

043262520

ABSTRACT:
A method is disclosed in which projection images of a certain cross-section of an object are produced through irradiation from various directions to the cross-section, and a three-dimensional image of the cross-section is reconstructed from the projection images. A convolution integral operation is performed on the projection images by means of a weighting function obtained from a function whose second differentiation is positive in at least a predetermined range of a spacial frequency domain and which has a positive first-differential coefficient at a point where the spacial frequency is equal to zero.

REFERENCES:
patent: 3153207 (1964-10-01), Brown
patent: 3924129 (1975-12-01), LeMay
patent: 3936636 (1976-02-01), Percival

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