{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,5]],"date-time":"2023-10-05T19:06:52Z","timestamp":1696532812803},"reference-count":21,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"3","license":[{"start":{"date-parts":[[1994,1,1]],"date-time":"1994-01-01T00:00:00Z","timestamp":757382400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Trans. Med. Imaging"],"published-print":{"date-parts":[[1994]]},"DOI":"10.1109\/42.310886","type":"journal-article","created":{"date-parts":[[2002,8,24]],"date-time":"2002-08-24T17:57:42Z","timestamp":1030211862000},"page":"549-556","source":"Crossref","is-referenced-by-count":23,"title":["A backprojection filtering algorithm for a spatially varying focal length collimator"],"prefix":"10.1109","volume":"13","author":[{"given":"G.L.","family":"Zeng","sequence":"first","affiliation":[]},{"given":"G.T.","family":"Gullberg","sequence":"additional","affiliation":[]}],"member":"263","reference":[{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/TMI.1986.4307735"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1118\/1.596158"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/42.241886"},{"key":"ref13","first-page":"891","article-title":"SPECT collimation having spatially variant focusing (SVF)","volume":"33","author":"jaszczak","year":"1992","journal-title":"J Nucl Med"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1016\/S0146-664X(76)80032-9"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1016\/0146-664X(79)90033-9"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1364\/AO.27.002867"},{"key":"ref17","article-title":"Reconstruction by two-dimensional filtering of simple superposition transverse-section image","author":"budinger","year":"1975","journal-title":"Technical Digest Image Processing for 2-D and 3-D Reconstruction from Projections Theory and Practice in Medicine and the Physical Sciences"},{"key":"ref18","author":"rosenfeld","year":"1982","journal-title":"Digital Picture Processing"},{"key":"ref19","author":"huesman","year":"1977","journal-title":"User Manual Donner Algorithms for Reconstruction Tomography"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1088\/0031-9155\/25\/1\/012"},{"key":"ref3","first-page":"867","article-title":"New approaches to reconstructing truncated projections in cardiac fan beam and cone beam tomography","volume":"31","author":"zeng","year":"1990","journal-title":"J Nucl Med"},{"key":"ref6","first-page":"852","article-title":"The cardiofocal collimator: a novel focussing collimator for cardiac SPECT","volume":"33","author":"hawman","year":"1992","journal-title":"J Nucl Med"},{"key":"ref5","year":"1989","journal-title":"Scintillation camera and multifocal fan-beam collimator used therein"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1137\/0133033"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/TNS.1974.6499235"},{"key":"ref2","first-page":"810","article-title":"Design and clinical utility of a fan beam collimator for SPECT imaging of the head","volume":"27","author":"tsui","year":"1986","journal-title":"J Nucl Med"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/TNS.1979.4329698"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/PROC.1979.11542"},{"key":"ref20","first-page":"831","article-title":"Cardiac SPECT reconstructions with truncated projections in different SPECT system designs","volume":"33","author":"tsui","year":"1992","journal-title":"J Nucl Med"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1088\/0031-9155\/39\/2\/005"}],"container-title":["IEEE Transactions on Medical Imaging"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx1\/42\/7533\/00310886.pdf?arnumber=310886","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,11,29]],"date-time":"2021-11-29T20:08:27Z","timestamp":1638216507000},"score":1,"resource":{"primary":{"URL":"http:\/\/ieeexplore.ieee.org\/document\/310886\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1994]]},"references-count":21,"journal-issue":{"issue":"3"},"URL":"https:\/\/doi.org\/10.1109\/42.310886","relation":{},"ISSN":["0278-0062"],"issn-type":[{"value":"0278-0062","type":"print"}],"subject":[],"published":{"date-parts":[[1994]]}}}