Singles transmission scanning for rotating positron cameras with large-area detectors
Describes the novel geometry and initial results of a singles transmission system for PETRRA, a whole-body PET camera with rotating planar detectors. Special frames mounted on to the front face of each detector support a collimated /sup 137/Cs source in various positions. Cone-beam transmission data...
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| Veröffentlicht in: | IEEE transactions on nuclear science 1999-06, Vol.46 (3), p.737-742 |
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| container_end_page | 742 |
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| container_issue | 3 |
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| container_title | IEEE transactions on nuclear science |
| container_volume | 46 |
| creator | Erlandsson, K. Evans, N.T.S. White, L. Flower, M.A. Reader, A.J. Duxbury, D.M. Ott, R.J. |
| description | Describes the novel geometry and initial results of a singles transmission system for PETRRA, a whole-body PET camera with rotating planar detectors. Special frames mounted on to the front face of each detector support a collimated /sup 137/Cs source in various positions. Cone-beam transmission data are acquired during 360/spl deg/ gantry rotation and images are reconstructed using the Feldkamp (1984) algorithm. The radial transaxial field of view (FOV) can be increased by using two source positions displaced either side of the central position. The truncated data acquired from each source position are combined to form a complete dataset. The axial FOV depends on the amount of collimation in the axial direction and could be increased by horizontal couch motion. Preliminary singles transmission images of both real and simulated thorax phantoms have been obtained. The effects of varying the linear sampling interval, the number of projections and the axial FOV have been studied. The singles transmission scanning system developed for PETRRA could be applied to other PET cameras with large planar detectors. |
| doi_str_mv | 10.1109/23.775607 |
| format | Article |
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Special frames mounted on to the front face of each detector support a collimated /sup 137/Cs source in various positions. Cone-beam transmission data are acquired during 360/spl deg/ gantry rotation and images are reconstructed using the Feldkamp (1984) algorithm. The radial transaxial field of view (FOV) can be increased by using two source positions displaced either side of the central position. The truncated data acquired from each source position are combined to form a complete dataset. The axial FOV depends on the amount of collimation in the axial direction and could be increased by horizontal couch motion. Preliminary singles transmission images of both real and simulated thorax phantoms have been obtained. The effects of varying the linear sampling interval, the number of projections and the axial FOV have been studied. The singles transmission scanning system developed for PETRRA could be applied to other PET cameras with large planar detectors.</description><subject>Algorithms</subject><subject>Cameras</subject><subject>Collimation</subject><subject>Collimators</subject><subject>Data acquisition</subject><subject>Data structures</subject><subject>Detectors</subject><subject>Face detection</subject><subject>Geometry</subject><subject>Image reconstruction</subject><subject>Imaging phantoms</subject><subject>Medical applications</subject><subject>Nuclear medicine</subject><subject>Positron emission</subject><subject>Positrons</subject><subject>Radioisotopes</subject><subject>Rotating</subject><subject>Scanning</subject><subject>Scintillation counters</subject><subject>Thorax</subject><subject>Whole-body PET</subject><issn>0018-9499</issn><issn>1558-1578</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0U1LxDAQBuAgCq4fB6-eelI8dJ1MmiY5yuIXLHjQPZc0O10r3WZNsoj_3i5dPOppeHkfBoZh7ILDlHMwtyimSskS1AGbcCl1zqXSh2wCwHVuCmOO2UmMH0MsJMgJW7y2_aqjmKVg-7huY2x9n0Vn-34ossaHLPhk0y5sfGxTGGpn1xRszL7a9J51Nqwot4FstqRELvkQz9hRY7tI5_t5yhYP92-zp3z-8vg8u5vnThSQcuQIqtZIJQrUYKQRBm0pCOui0ByVAXRC1VIWSwu8LAVa1yw5r41DACdO2fW4dxP855ZiqoYLHHWd7clvY2W4MaBFaQZ59adEXQppEP6HvBCghBjgzQhd8DEGaqpNaNc2fFccqt0vKhTV-IvBXo62JaJfty9_AJbDgv0</recordid><startdate>19990601</startdate><enddate>19990601</enddate><creator>Erlandsson, K.</creator><creator>Evans, N.T.S.</creator><creator>White, L.</creator><creator>Flower, M.A.</creator><creator>Reader, A.J.</creator><creator>Duxbury, D.M.</creator><creator>Ott, R.J.</creator><general>IEEE</general><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>7SP</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>19990601</creationdate><title>Singles transmission scanning for rotating positron cameras with large-area detectors</title><author>Erlandsson, K. ; Evans, N.T.S. ; White, L. ; Flower, M.A. ; Reader, A.J. ; Duxbury, D.M. ; Ott, R.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-21207b82e623280959392a63e2b448127902c37b554da016632acfd11b9c200c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Algorithms</topic><topic>Cameras</topic><topic>Collimation</topic><topic>Collimators</topic><topic>Data acquisition</topic><topic>Data structures</topic><topic>Detectors</topic><topic>Face detection</topic><topic>Geometry</topic><topic>Image reconstruction</topic><topic>Imaging phantoms</topic><topic>Medical applications</topic><topic>Nuclear medicine</topic><topic>Positron emission</topic><topic>Positrons</topic><topic>Radioisotopes</topic><topic>Rotating</topic><topic>Scanning</topic><topic>Scintillation counters</topic><topic>Thorax</topic><topic>Whole-body PET</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Erlandsson, K.</creatorcontrib><creatorcontrib>Evans, N.T.S.</creatorcontrib><creatorcontrib>White, L.</creatorcontrib><creatorcontrib>Flower, M.A.</creatorcontrib><creatorcontrib>Reader, A.J.</creatorcontrib><creatorcontrib>Duxbury, D.M.</creatorcontrib><creatorcontrib>Ott, R.J.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Electronics & Communications Abstracts</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on nuclear science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Erlandsson, K.</au><au>Evans, N.T.S.</au><au>White, L.</au><au>Flower, M.A.</au><au>Reader, A.J.</au><au>Duxbury, D.M.</au><au>Ott, R.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Singles transmission scanning for rotating positron cameras with large-area detectors</atitle><jtitle>IEEE transactions on nuclear science</jtitle><stitle>TNS</stitle><date>1999-06-01</date><risdate>1999</risdate><volume>46</volume><issue>3</issue><spage>737</spage><epage>742</epage><pages>737-742</pages><issn>0018-9499</issn><eissn>1558-1578</eissn><coden>IETNAE</coden><abstract>Describes the novel geometry and initial results of a singles transmission system for PETRRA, a whole-body PET camera with rotating planar detectors. Special frames mounted on to the front face of each detector support a collimated /sup 137/Cs source in various positions. Cone-beam transmission data are acquired during 360/spl deg/ gantry rotation and images are reconstructed using the Feldkamp (1984) algorithm. The radial transaxial field of view (FOV) can be increased by using two source positions displaced either side of the central position. The truncated data acquired from each source position are combined to form a complete dataset. The axial FOV depends on the amount of collimation in the axial direction and could be increased by horizontal couch motion. Preliminary singles transmission images of both real and simulated thorax phantoms have been obtained. The effects of varying the linear sampling interval, the number of projections and the axial FOV have been studied. The singles transmission scanning system developed for PETRRA could be applied to other PET cameras with large planar detectors.</abstract><pub>IEEE</pub><doi>10.1109/23.775607</doi><tpages>6</tpages></addata></record> |
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| ispartof | IEEE transactions on nuclear science, 1999-06, Vol.46 (3), p.737-742 |
| issn | 0018-9499 1558-1578 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Algorithms Cameras Collimation Collimators Data acquisition Data structures Detectors Face detection Geometry Image reconstruction Imaging phantoms Medical applications Nuclear medicine Positron emission Positrons Radioisotopes Rotating Scanning Scintillation counters Thorax Whole-body PET |
| title | Singles transmission scanning for rotating positron cameras with large-area detectors |
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