Noise artifacts reduction

Details Noise artifacts reduction Noise artifacts reduction

1984-10-26

1987-07-21

Smith, Jerry

Boots, shoes, and leggings

378901, 35821315, G06F 1542, G01T 129, G01N 2304

Patent

active

046822917

ABSTRACT:
Equipment and methods improving the quality of a tomograph are presented for rearranging divergent beam derived data into parallel data. The equipment and method perform uniform noise distribution interpolation either in the reordering phase or in the rebinning phase or in both phases. When the uniform noise distribution interpolation is employed noise streak artifacts, normally present in images, virtually disappear.

REFERENCES:
patent: Re30947 (1982-05-01), Boyd et al.
patent: 4075492 (1982-05-01), Boyd et al.
patent: 4217641 (1980-08-01), Naparstek
patent: 4352020 (1982-09-01), Horiba et al.
patent: 4570224 (1986-02-01), Shimoni et al.
patent: 4574311 (1986-03-01), Resnikoss
"A Simple Computational Method for Reducing Streak Artifacts in CT Images", G. Henrich, in Computed Tomography, vol. 4, 1981.

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