Combined cone-beam and parallel-beam approach to SPECT

Combined cone-beam and parallel-beam approach to SPECT

Each detector on a multi-headed gamma camera can be equipped with parallel-beam (PBC) or cone-beam collimators (CBC). While PBC can provide truncation-free SPECT projection sets, CBC offers increased sensitivity in a limited field-of-view (FOV). Combined PBC and CBC SPECT data acquisition may allow...

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Published in:2002 IEEE Nuclear Science Symposium Conference Record Vol. 2; pp. 1032 - 1034 vol.2
Main Authors: Krol, A., Salgado, R.B., Feiglin, D.H., Gangal, K.R., Hardikar, A.S., Thomas, F.D., Lipson, E.D., Bordikar, A., Coman, I.L.
Format: Conference Proceeding
Language:English
Published: IEEE 2002
Subjects:
Biomedical imaging
Cameras
Collimators
Data acquisition
Gamma ray detection
Gamma ray detectors
Image reconstruction
Imaging phantoms
Radiology
Single photon emission computed tomography
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Abstract Each detector on a multi-headed gamma camera can be equipped with parallel-beam (PBC) or cone-beam collimators (CBC). While PBC can provide truncation-free SPECT projection sets, CBC offers increased sensitivity in a limited field-of-view (FOV). Combined PBC and CBC SPECT data acquisition may allow increased sensitivity within CBC FOV with significantly reduced truncation artifacts in the reconstructed images. In this paper the combined CBC&PBC SPECT method is evaluated using synthetic and experimental data. We envision application of CBC&PBC SPECT in scintimammography.
AbstractList Each detector on a multi-headed gamma camera can be equipped with parallel-beam (PBC) or cone-beam collimators (CBC). While PBC can provide truncation-free SPECT projection sets, CBC offers increased sensitivity in a limited field-of-view (FOV). Combined PBC and CBC SPECT data acquisition may allow increased sensitivity within CBC FOV with significantly reduced truncation artifacts in the reconstructed images. In this paper the combined CBC&PBC SPECT method is evaluated using synthetic and experimental data. We envision application of CBC&PBC SPECT in scintimammography.
Author Gangal, K.R.
Coman, I.L.
Salgado, R.B.
Lipson, E.D.
Hardikar, A.S.
Krol, A.
Feiglin, D.H.
Bordikar, A.
Thomas, F.D.
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  surname: Coman
  fullname: Coman, I.L.
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Snippet Each detector on a multi-headed gamma camera can be equipped with parallel-beam (PBC) or cone-beam collimators (CBC). While PBC can provide truncation-free...
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StartPage 1032
SubjectTerms Biomedical imaging
Cameras
Collimators
Data acquisition
Gamma ray detection
Gamma ray detectors
Image reconstruction
Imaging phantoms
Radiology
Single photon emission computed tomography
Title Combined cone-beam and parallel-beam approach to SPECT
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Volume 2
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