{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T05:44:59Z","timestamp":1778823899704,"version":"3.51.4"},"reference-count":36,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"4","license":[{"start":{"date-parts":[[2018,4,1]],"date-time":"2018-04-01T00:00:00Z","timestamp":1522540800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/OAPA.html"}],"funder":[{"DOI":"10.13039\/100006775","name":"GE Healthcare","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100006775","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000272","name":"NIHR-funded UCLH Biomedical Research Centre","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000272","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000266","name":"Leverhulme Trust Project\u2014Breaking the non-convexity barrier, EPSRC","doi-asserted-by":"publisher","award":["EP\/M00483X\/1"],"award-info":[{"award-number":["EP\/M00483X\/1"]}],"id":[{"id":"10.13039\/501100000266","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000266","name":"Leverhulme Trust Project\u2014Breaking the non-convexity barrier, EPSRC","doi-asserted-by":"publisher","award":["EP\/N014588\/1"],"award-info":[{"award-number":["EP\/N014588\/1"]}],"id":[{"id":"10.13039\/501100000266","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Cantab Capital Institute for the Mathematics of Information"},{"name":"CHiPS (Horizon 2020 RISE Project Grant)"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Trans. Med. Imaging"],"published-print":{"date-parts":[[2018,4]]},"DOI":"10.1109\/tmi.2017.2786865","type":"journal-article","created":{"date-parts":[[2017,12,25]],"date-time":"2017-12-25T21:43:32Z","timestamp":1514238212000},"page":"1000-1010","source":"Crossref","is-referenced-by-count":18,"title":["Fast Quasi-Newton Algorithms for Penalized Reconstruction in Emission Tomography and Further Improvements via Preconditioning"],"prefix":"10.1109","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1749-7917","authenticated-orcid":false,"given":"Yu-Jung","family":"Tsai","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0815-0604","authenticated-orcid":false,"given":"Alexandre","family":"Bousse","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8523-353X","authenticated-orcid":false,"given":"Matthias J.","family":"Ehrhardt","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7074-6663","authenticated-orcid":false,"given":"Charles W.","family":"Stearns","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sangtae","family":"Ahn","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brian F.","family":"Hutton","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1292-0210","authenticated-orcid":false,"given":"Simon","family":"Arridge","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kris","family":"Thielemans","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"263","reference":[{"key":"ref33","doi-asserted-by":"publisher","DOI":"10.1109\/42.363108"},{"key":"ref32","doi-asserted-by":"publisher","DOI":"10.1118\/1.3480985"},{"key":"ref31","doi-asserted-by":"publisher","DOI":"10.1007\/s00259-007-0493-3"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.5899\/2012\/jiasc-00017"},{"key":"ref36","doi-asserted-by":"publisher","DOI":"10.1109\/42.563662"},{"key":"ref35","doi-asserted-by":"publisher","DOI":"10.1109\/42.363099"},{"key":"ref34","doi-asserted-by":"publisher","DOI":"10.1109\/TMI.1987.4307810"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/42.370409"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1088\/0031-9155\/44\/11\/311"},{"key":"ref12","first-page":"134","author":"nocedal","year":"2006","journal-title":"Numerical Optimization"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1002\/nme.1620141104"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.2307\/2006193"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1137\/0916069"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1145\/279232.279236"},{"key":"ref17","first-page":"33","article-title":"Scalable training of \n$L^{1}$\n-regularized log-linear models","author":"andrew","year":"2007","journal-title":"Proc Int Conf Mach Learn"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/TMI.2016.2549601"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/TMI.2010.2076827"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1007\/BF01582063"},{"key":"ref4","article-title":"The application of tomographic reconstruction techniques to ill-conditioned inverse problems in atmospheric science and biomedical imaging","author":"hart","year":"2012"},{"key":"ref27","article-title":"L-BFGS-B: Fortran subroutines for large-scale bound constrained optimization","author":"zhu","year":"1995"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.7150\/thno.5629"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1109\/79.560323"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.1145\/192115.192132"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.7150\/thno.6815"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1111\/j.2517-6161.1990.tb01798.x"},{"key":"ref7","author":"alessio","year":"2006","journal-title":"Image reconstruction techniques for PET"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1093\/annonc\/mdp030"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/42.921477"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.2967\/jnumed.112.111476"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/NSSMIC.2015.7582101"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1109\/23.775575"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1109\/TMI.2003.812251"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1117\/12.154577"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1109\/NSSMIC.2016.8069458"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1053\/j.semnuclmed.2012.08.006"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1109\/TMI.2011.2173766"}],"container-title":["IEEE Transactions on Medical Imaging"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/42\/8329247\/08239640.pdf?arnumber=8239640","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,1,26]],"date-time":"2022-01-26T06:40:20Z","timestamp":1643179220000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/8239640\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,4]]},"references-count":36,"journal-issue":{"issue":"4"},"URL":"https:\/\/doi.org\/10.1109\/tmi.2017.2786865","relation":{},"ISSN":["0278-0062","1558-254X"],"issn-type":[{"value":"0278-0062","type":"print"},{"value":"1558-254X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,4]]}}}