Artefact reduction in optoacoustic tomographic imaging by estimating the distribution of acoustic scatterers.
J Biomed Opt
; 17(11): 110504, 2012 Nov.
Article
de En
| MEDLINE
| ID: mdl-23096956
ABSTRACT
The quality of optoacoustic tomographic reconstructions can be severely affected by acoustic reflections or scattering arising at interfaces of highly mismatched organs, such as bones, lungs, or other air-containing cavities. We present a procedure to reduce the associated artefacts based on estimation of the acoustic scatterers distribution within the imaged object. Signals generated by a strong optical absorber are processed and used in a weighted back-projection algorithm. Experimental results in a tissue-mimicking phantom clearly demonstrate improved performance as compared to the case in which no information on the distribution of acoustic scatterers is available.
Texte intégral:
1
Collection:
01-internacional
Base de données:
MEDLINE
Sujet principal:
Tomographie optique
/
Techniques photoacoustiques
Langue:
En
Journal:
J Biomed Opt
Sujet du journal:
ENGENHARIA BIOMEDICA
/
OFTALMOLOGIA
Année:
2012
Type de document:
Article
Pays d'affiliation:
Allemagne
Pays de publication:
EEUU
/
ESTADOS UNIDOS
/
ESTADOS UNIDOS DA AMERICA
/
EUA
/
UNITED STATES
/
UNITED STATES OF AMERICA
/
US
/
USA