{"id":"https://openalex.org/W2036837878","doi":"https://doi.org/10.1109/tmi.2014.2371392","title":"Edge-Preserving PET Image Reconstruction Using Trust Optimization Transfer","display_name":"Edge-Preserving PET Image Reconstruction Using Trust Optimization Transfer","publication_year":2014,"publication_date":"2014-11-25","ids":{"openalex":"https://openalex.org/W2036837878","doi":"https://doi.org/10.1109/tmi.2014.2371392","mag":"2036837878","pmid":"https://pubmed.ncbi.nlm.nih.gov/25438302"},"language":"en","primary_location":{"id":"doi:10.1109/tmi.2014.2371392","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmi.2014.2371392","pdf_url":null,"source":{"id":"https://openalex.org/S58069681","display_name":"IEEE Transactions on Medical Imaging","issn_l":"0278-0062","issn":["0278-0062","1558-254X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Medical Imaging","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/4385498","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5057150859","display_name":"Guobao Wang","orcid":"https://orcid.org/0000-0001-6526-1533"},"institutions":[{"id":"https://openalex.org/I84218800","display_name":"University of California, Davis","ror":"https://ror.org/05rrcem69","country_code":"US","type":"education","lineage":["https://openalex.org/I84218800"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Guobao Wang","raw_affiliation_strings":["Department of Biomedical Engineering, University of California, Davis, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, University of California, Davis, CA, USA","institution_ids":["https://openalex.org/I84218800"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5010514255","display_name":"Jinyi Qi","orcid":"https://orcid.org/0000-0002-5428-0322"},"institutions":[{"id":"https://openalex.org/I84218800","display_name":"University of California, Davis","ror":"https://ror.org/05rrcem69","country_code":"US","type":"education","lineage":["https://openalex.org/I84218800"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jinyi Qi","raw_affiliation_strings":["Department of Biomedical Engineering, University of California, Davis, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, University of California, Davis, CA, USA","institution_ids":["https://openalex.org/I84218800"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I84218800"],"apc_list":null,"apc_paid":null,"fwci":1.3413,"has_fulltext":false,"cited_by_count":21,"citation_normalized_percentile":{"value":0.80460214,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"34","issue":"4","first_page":"930","last_page":"939"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.9977999925613403,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/line-search","display_name":"Line search","score":0.6746184825897217},{"id":"https://openalex.org/keywords/regularization","display_name":"Regularization (linguistics)","score":0.6728610992431641},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.6141472458839417},{"id":"https://openalex.org/keywords/conjugate-gradient-method","display_name":"Conjugate gradient method","score":0.6126928925514221},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5403753519058228},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5159347653388977},{"id":"https://openalex.org/keywords/gradient-descent","display_name":"Gradient descent","score":0.47541242837905884},{"id":"https://openalex.org/keywords/image-restoration","display_name":"Image restoration","score":0.4578584134578705},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4557807147502899},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4442249834537506},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4365125000476837},{"id":"https://openalex.org/keywords/proximal-gradient-methods","display_name":"Proximal Gradient Methods","score":0.41339319944381714},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.3086617588996887},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.24823665618896484},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.18023046851158142}],"concepts":[{"id":"https://openalex.org/C85522705","wikidata":"https://www.wikidata.org/wiki/Q3278015","display_name":"Line search","level":3,"score":0.6746184825897217},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.6728610992431641},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.6141472458839417},{"id":"https://openalex.org/C81184566","wikidata":"https://www.wikidata.org/wiki/Q1191895","display_name":"Conjugate gradient method","level":2,"score":0.6126928925514221},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5403753519058228},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5159347653388977},{"id":"https://openalex.org/C153258448","wikidata":"https://www.wikidata.org/wiki/Q1199743","display_name":"Gradient descent","level":3,"score":0.47541242837905884},{"id":"https://openalex.org/C106430172","wikidata":"https://www.wikidata.org/wiki/Q6002272","display_name":"Image restoration","level":4,"score":0.4578584134578705},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4557807147502899},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4442249834537506},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4365125000476837},{"id":"https://openalex.org/C10494615","wikidata":"https://www.wikidata.org/wiki/Q17086765","display_name":"Proximal Gradient Methods","level":4,"score":0.41339319944381714},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.3086617588996887},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.24823665618896484},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.18023046851158142},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.0},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001921","descriptor_name":"Brain","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D001921","descriptor_name":"Brain","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D001921","descriptor_name":"Brain","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D011323","descriptor_name":"Primates","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011323","descriptor_name":"Primates","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011323","descriptor_name":"Primates","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019047","descriptor_name":"Phantoms, Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019047","descriptor_name":"Phantoms, Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019047","descriptor_name":"Phantoms, Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D049268","descriptor_name":"Positron-Emission Tomography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D049268","descriptor_name":"Positron-Emission Tomography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D049268","descriptor_name":"Positron-Emission Tomography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false}],"locations_count":5,"locations":[{"id":"doi:10.1109/tmi.2014.2371392","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmi.2014.2371392","pdf_url":null,"source":{"id":"https://openalex.org/S58069681","display_name":"IEEE Transactions on Medical Imaging","issn_l":"0278-0062","issn":["0278-0062","1558-254X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Medical Imaging","raw_type":"journal-article"},{"id":"pmid:25438302","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/25438302","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE transactions on medical imaging","raw_type":null},{"id":"pmh:ark:/13030/qt0t9471jf","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},{"id":"pmh:oai:escholarship.org:ark:/13030/qt0t9471jf","is_oa":false,"landing_page_url":"https://escholarship.org/uc/item/0t9471jf","pdf_url":null,"source":{"id":"https://openalex.org/S4306400115","display_name":"eScholarship (California Digital Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2801248553","host_organization_name":"California Digital Library","host_organization_lineage":["https://openalex.org/I2801248553"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Medical Imaging, vol 34, iss 4","raw_type":"article"},{"id":"pmh:oai:pubmedcentral.nih.gov:4385498","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/4385498","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Trans Med Imaging","raw_type":"Text"}],"best_oa_location":{"id":"pmh:oai:pubmedcentral.nih.gov:4385498","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/4385498","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Trans Med Imaging","raw_type":"Text"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.7300000190734863,"display_name":"Peace, Justice and strong institutions"}],"awards":[{"id":"https://openalex.org/G6266017498","display_name":null,"funder_award_id":"R01EB014894","funder_id":"https://openalex.org/F4320337363","funder_display_name":"National Institute of Biomedical Imaging and Bioengineering"},{"id":"https://openalex.org/G7213535819","display_name":null,"funder_award_id":"R01 EB000194","funder_id":"https://openalex.org/F4320337363","funder_display_name":"National Institute of Biomedical Imaging and Bioengineering"},{"id":"https://openalex.org/G8167721572","display_name":null,"funder_award_id":"R01EB00194","funder_id":"https://openalex.org/F4320337363","funder_display_name":"National Institute of Biomedical Imaging and Bioengineering"},{"id":"https://openalex.org/G8411348453","display_name":null,"funder_award_id":"R01 EB014894","funder_id":"https://openalex.org/F4320337363","funder_display_name":"National Institute of Biomedical Imaging and Bioengineering"}],"funders":[{"id":"https://openalex.org/F4320337363","display_name":"National Institute of Biomedical Imaging and Bioengineering","ror":"https://ror.org/00372qc85"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W1647554959","https://openalex.org/W1970820012","https://openalex.org/W1980003430","https://openalex.org/W1986262252","https://openalex.org/W1987649450","https://openalex.org/W1997063559","https://openalex.org/W2000594266","https://openalex.org/W2011380718","https://openalex.org/W2017162022","https://openalex.org/W2020999234","https://openalex.org/W2021594562","https://openalex.org/W2039284087","https://openalex.org/W2049633694","https://openalex.org/W2050892949","https://openalex.org/W2054393756","https://openalex.org/W2055834582","https://openalex.org/W2069629287","https://openalex.org/W2070792660","https://openalex.org/W2074567512","https://openalex.org/W2075369262","https://openalex.org/W2087070363","https://openalex.org/W2092663520","https://openalex.org/W2098713549","https://openalex.org/W2110733023","https://openalex.org/W2117893569","https://openalex.org/W2125852763","https://openalex.org/W2128456478","https://openalex.org/W2142573532","https://openalex.org/W2148791483","https://openalex.org/W2154744699","https://openalex.org/W2156612134","https://openalex.org/W2158449358","https://openalex.org/W2160260190","https://openalex.org/W2165399609","https://openalex.org/W2166887721","https://openalex.org/W2168543121","https://openalex.org/W2489822048","https://openalex.org/W2534170357","https://openalex.org/W2738771710","https://openalex.org/W3100362236","https://openalex.org/W3106237033","https://openalex.org/W3121742466","https://openalex.org/W4253515568","https://openalex.org/W4293775970","https://openalex.org/W6636952455"],"related_works":["https://openalex.org/W2355738879","https://openalex.org/W2740262376","https://openalex.org/W2371381925","https://openalex.org/W2369191856","https://openalex.org/W2350706414","https://openalex.org/W2356977358","https://openalex.org/W2384571804","https://openalex.org/W3152814152","https://openalex.org/W2075334256","https://openalex.org/W2112655684"],"abstract_inverted_index":{"Iterative":[0],"image":[1,9,82],"reconstruction":[2,83],"for":[3,59,67,152,167],"positron":[4],"emission":[5],"tomography":[6],"can":[7,34,157],"improve":[8],"quality":[10],"by":[11,84,100,123],"using":[12,85,124],"spatial":[13],"regularization.":[14,171],"The":[15],"most":[16],"commonly":[17],"used":[18],"quadratic":[19,61],"penalty":[20,99],"often":[21],"oversmoothes":[22],"sharp":[23],"edges":[24,36],"and":[25,37,51,90,127,134,150,156],"fine":[26],"features":[27],"in":[28],"reconstructed":[29],"images,":[30],"while":[31],"nonquadratic":[32],"penalties":[33],"preserve":[35],"achieve":[38],"higher":[39],"contrast":[40],"recovery.":[41],"Existing":[42],"optimization":[43,91,120],"algorithms":[44,56,166],"such":[45],"as":[46],"the":[47,60,97,109,140,147,163,168],"expectation":[48],"maximization":[49],"(EM)":[50],"preconditioned":[52],"conjugate":[53,125],"gradient":[54,126],"(PCG)":[55],"work":[57],"well":[58],"penalty,":[62],"but":[63,107],"are":[64],"less":[65],"efficient":[66,161],"high-curvature":[68],"or":[69],"nonsmooth":[70,169],"edge-preserving":[71,81,154],"regularizations.":[72],"This":[73],"paper":[74],"proposes":[75],"a":[76,101,118],"new":[77],"algorithm":[78,110,122,142],"to":[79,111],"accelerate":[80],"two":[86],"strategies:":[87],"trust":[88],"surrogate":[89,95],"transfer":[92,115,121],"descent.":[93],"Trust":[94],"approximates":[96],"original":[98],"smoother":[102],"function":[103],"at":[104],"each":[105],"iteration,":[106],"guarantees":[108],"descend":[112],"monotonically;":[113],"Optimization":[114],"descent":[116],"accelerates":[117],"conventional":[119,148],"line":[128],"search.":[129],"Results":[130],"of":[131],"computer":[132],"simulations":[133],"real":[135],"3-D":[136],"data":[137],"show":[138],"that":[139],"proposed":[141],"converges":[143],"much":[144],"faster":[145],"than":[146,162],"EM":[149],"PCG":[151],"smooth":[153],"regularization":[155],"also":[158],"be":[159],"more":[160],"current":[164],"state-of-art":[165],"l1":[170]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
