photon starvation

French translation: (artéfact d')appauvrissement du flux de photon

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:photon starvation
French translation:(artéfact d')appauvrissement du flux de photon
Entered by: Lionel-N

05:57 Apr 18, 2020
English to French translations [PRO]
Medical - Medical: Instruments / Scanner CT
English term or phrase: photon starvation
Streak artifacts and beam hardening are often observed around metal leads, aneurysm clips, epilepsy probes or metal screws.
Numerous factors contribute to these streaks including under‐sampling, photon starvation, beam hardening, and scatter.
Bertrand Leduc
United Kingdom
Local time: 07:27
(artéfact d')appauvrissement du flux de photon
Explanation:
https://pepite-depot.univ-lille2.fr/nuxeo/site/esupversions/...
Voir page 16
Selected response from:

Lionel-N
Italy
Local time: 08:27
Grading comment
4 KudoZ points were awarded for this answer



Summary of answers provided
5(artéfact d')appauvrissement du flux de photon
Lionel-N
4insuffisance du flux maximal de photons
Drmanu49
2 +1insuffisance de photons
Claude-André Assian
Summary of reference entries provided
inanition de photons
José Patrício

Discussion entries: 3





  

Answers


3 hrs   confidence: Answerer confidence 2/5Answerer confidence 2/5 peer agreement (net): +1
insuffisance de photons


Explanation:

je ne sais pas si c'est le terme exact, mais je pense que c'est le sens:

Photon starvation artifacts of X-ray CT: their true cause and a solution.

Mori I1, Machida Y, Osanai M, Iinuma K.



Author information


Abstract

When too few photons reach detector elements, strong streaks appear through paths of high X-ray attenuation and an image becomes completely useless


Claude-André Assian
Local time: 08:27
Native speaker of: Native in FrenchFrench
PRO pts in category: 12

Peer comments on this answer (and responses from the answerer)
agree  Wilfried Bigot
3 hrs
  -> merci
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5 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
insuffisance du flux maximal de photons


Explanation:
Imagerie rapide en comptage de photons, application à l ...
tel.archives-ouvertes.fr › tel-01053919 › document
PDF
de S Morel - ‎1998 - ‎Autres articles
4 août 2014 - (anode de 80 mm×80 mm) avec un taux de comptage de 110 000 ph/s. ... constaté l'insuffisance du flux maximal de photons admissible par les caméras ... par transformée de Radon (Deans 1983) comme en tomographie,.

Drmanu49
France
Local time: 08:27
Specializes in field
Native speaker of: Native in EnglishEnglish, Native in FrenchFrench
PRO pts in category: 1933
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6 hrs   confidence: Answerer confidence 5/5
(artéfact d')appauvrissement du flux de photon


Explanation:
https://pepite-depot.univ-lille2.fr/nuxeo/site/esupversions/...
Voir page 16

Lionel-N
Italy
Local time: 08:27
Specializes in field
Native speaker of: Native in FrenchFrench
PRO pts in category: 130
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Reference comments


1 hr
Reference: inanition de photons

Reference information:
Photon starvation is one source of streak artifact which may occur in CT. It is seen in high attenuation areas, particularly behind metal implants. - https://radiopaedia.org/articles/photon-starvation-2

José Patrício
Portugal
Native speaker of: Native in PortuguesePortuguese
PRO pts in category: 4
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