G - Physics – 01 – N
Patent
G - Physics
01
N
358/11, 354/46
G01N 23/00 (2006.01) A61B 6/02 (2006.01)
Patent
CA 1116299
30.3.1979 PHD. 78-029. ABSTRACT Coding and artifact-free decoding of objects. A method of coding and decoding of objects by means of a large number of point-like radiation sources which are sub-divided into two groups. In two coding steps, two recordings are made of an object to be irradiated. A first recording is made on a first recording medium with a first radiation source distribution. A second recording is made with a second radiation source distribution which is determined by the autocorrelation function o-f the first distribution. In the second radiation source distribution, the source which is determined by a function value in the origin of the autocorrelation function is omitted. In a first decoding step, the first recording is decoded with a-point image function of the first radiation source dis- tribution. In the second decoding step, the second re- cording is subtracted from the decoded first recording, so that an artifact-free image of the object is produced.
325461
Fetherstonhaugh & Co.
N.v. Philips Gloeilampenfabrieken
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