Abstract
A new image reconstruction method was developed for a Compton camera. A simulation to determine a γ-ray source position was performed by using the simulation tool, GEANT4. An image reconstruction was made in two steps. First, a three dimensional image was constructed and projected in one selected plane, then the points from each ellipse was picked up by taking the peak points of a density distribution of crossing points between the ellipse and the first step image. The second step procedure improved the accuracy and the spatial resolution of a position determination significantly, comparing with the image obtained by only the first step. The accuracy and the resolution for a point source were obtained to be about 0.02 mm and (1.35±0.15) mm, respectively. The same procedure was applied to an imaging of the distributed γ-ray source.
| Original language | English |
|---|---|
| Pages (from-to) | 365-367 |
| Number of pages | 3 |
| Journal | Nuclear Science and Techniques/Hewuli |
| Volume | 15 |
| Issue number | 6 |
| Publication status | Published - Dec 2004 |
| Externally published | Yes |
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Keywords
- Compton scattering event
- Image reconstruction
- Position sensitive germanium detector
ASJC Scopus subject areas
- Energy Engineering and Power Technology
- Mechanical Engineering
Cite this
Image reconstruction from Compton scattering data. / Pan, Qiang Yan; Gono, Y.; Motomura, S.; Enomoto, S.; Yano, Y.
In: Nuclear Science and Techniques/Hewuli, Vol. 15, No. 6, 12.2004, p. 365-367.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Image reconstruction from Compton scattering data
AU - Pan, Qiang Yan
AU - Gono, Y.
AU - Motomura, S.
AU - Enomoto, S.
AU - Yano, Y.
PY - 2004/12
Y1 - 2004/12
N2 - A new image reconstruction method was developed for a Compton camera. A simulation to determine a γ-ray source position was performed by using the simulation tool, GEANT4. An image reconstruction was made in two steps. First, a three dimensional image was constructed and projected in one selected plane, then the points from each ellipse was picked up by taking the peak points of a density distribution of crossing points between the ellipse and the first step image. The second step procedure improved the accuracy and the spatial resolution of a position determination significantly, comparing with the image obtained by only the first step. The accuracy and the resolution for a point source were obtained to be about 0.02 mm and (1.35±0.15) mm, respectively. The same procedure was applied to an imaging of the distributed γ-ray source.
AB - A new image reconstruction method was developed for a Compton camera. A simulation to determine a γ-ray source position was performed by using the simulation tool, GEANT4. An image reconstruction was made in two steps. First, a three dimensional image was constructed and projected in one selected plane, then the points from each ellipse was picked up by taking the peak points of a density distribution of crossing points between the ellipse and the first step image. The second step procedure improved the accuracy and the spatial resolution of a position determination significantly, comparing with the image obtained by only the first step. The accuracy and the resolution for a point source were obtained to be about 0.02 mm and (1.35±0.15) mm, respectively. The same procedure was applied to an imaging of the distributed γ-ray source.
KW - Compton scattering event
KW - Image reconstruction
KW - Position sensitive germanium detector
UR - http://www.scopus.com/inward/record.url?scp=12344283912&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=12344283912&partnerID=8YFLogxK
M3 - Article
AN - SCOPUS:12344283912
VL - 15
SP - 365
EP - 367
JO - Nuclear Science and Techniques/Hewuli
JF - Nuclear Science and Techniques/Hewuli
SN - 1001-8042
IS - 6
ER -