TERMIUM Plus®

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TOMOGRAPHIE TRANSMISSION [1 record]

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Record 1 2003-09-10

English

Subject field(s)
  • Tomography
CONT

The reconstruction problem can be described in an idealized fashion as follows. We suppose that there is a two-dimensional density to be determined ... This density to be determined can correspond to a two-dimensional x-ray absorption density in transmission tomography or a two-dimensional density of radioactivity in emission tomography.

French

Domaine(s)
  • Tomographie
CONT

La méthode retenue consiste à réaliser des vues successives (mono ou bidimensionnelles) sous diverses incidences puis à les combiner pour reconstruire la distribution spatiale de l'objet examiné [...]. Ces vues peuvent être obtenues [...] en utilisant un faisceau de rayons X qui traversent le corps et y sont plus ou moins absorbés suivant la densité des tissus rencontrés : c'est la tomographie par transmission [...]

Spanish

Campo(s) temático(s)
  • Tomografía
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