{"id":"https://openalex.org/W6926277905","doi":"https://doi.org/10.2312/vg/vg03/015-026","title":"Rapid Emission Tomography Reconstruction","display_name":"Rapid Emission Tomography Reconstruction","publication_year":2003,"publication_date":"2003-01-01","ids":{"openalex":"https://openalex.org/W6926277905","doi":"https://doi.org/10.2312/vg/vg03/015-026"},"language":"en","primary_location":{"id":"doi:10.2312/vg/vg03/015-026","is_oa":true,"landing_page_url":"https://doi.org/10.2312/vg/vg03/015-026","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"type":"other","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.2312/vg/vg03/015-026","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Chidlow, Ken","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chidlow, Ken","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":null,"display_name":"M\u00f6ller, Torsten","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M\u00f6ller, Torsten","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":true,"primary_topic":{"id":"https://openalex.org/T10045","display_name":"Organic Electronics and Photovoltaics","score":0.970300018787384,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10045","display_name":"Organic Electronics and Photovoltaics","score":0.970300018787384,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"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/T10660","display_name":"Conducting polymers and applications","score":0.006099999882280827,"subfield":{"id":"https://openalex.org/subfields/2507","display_name":"Polymers and Plastics"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11853","display_name":"Semiconductor materials and interfaces","score":0.0031999999191612005,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.5160999894142151},{"id":"https://openalex.org/keywords/attenuation","display_name":"Attenuation","score":0.503600001335144},{"id":"https://openalex.org/keywords/graphics","display_name":"Graphics","score":0.4896000027656555},{"id":"https://openalex.org/keywords/rendering","display_name":"Rendering (computer graphics)","score":0.44699999690055847},{"id":"https://openalex.org/keywords/volume","display_name":"Volume (thermodynamics)","score":0.4447000026702881},{"id":"https://openalex.org/keywords/graphics-hardware","display_name":"Graphics hardware","score":0.420199990272522},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.41040000319480896},{"id":"https://openalex.org/keywords/software-implementation","display_name":"Software implementation","score":0.4041999876499176},{"id":"https://openalex.org/keywords/expectation\u2013maximization-algorithm","display_name":"Expectation\u2013maximization algorithm","score":0.37929999828338623}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6722000241279602},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.5160999894142151},{"id":"https://openalex.org/C184652730","wikidata":"https://www.wikidata.org/wiki/Q2357982","display_name":"Attenuation","level":2,"score":0.503600001335144},{"id":"https://openalex.org/C21442007","wikidata":"https://www.wikidata.org/wiki/Q1027879","display_name":"Graphics","level":2,"score":0.4896000027656555},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4661000072956085},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.44699999690055847},{"id":"https://openalex.org/C20556612","wikidata":"https://www.wikidata.org/wiki/Q4469374","display_name":"Volume (thermodynamics)","level":2,"score":0.4447000026702881},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.42419999837875366},{"id":"https://openalex.org/C18945957","wikidata":"https://www.wikidata.org/wiki/Q5597193","display_name":"Graphics hardware","level":3,"score":0.420199990272522},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.41040000319480896},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.40639999508857727},{"id":"https://openalex.org/C2983609787","wikidata":"https://www.wikidata.org/wiki/Q10534782","display_name":"Software implementation","level":3,"score":0.4041999876499176},{"id":"https://openalex.org/C182081679","wikidata":"https://www.wikidata.org/wiki/Q1275153","display_name":"Expectation\u2013maximization algorithm","level":3,"score":0.37929999828338623},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3702999949455261},{"id":"https://openalex.org/C77660652","wikidata":"https://www.wikidata.org/wiki/Q150971","display_name":"Computer graphics","level":2,"score":0.3596999943256378},{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.35019999742507935},{"id":"https://openalex.org/C115051666","wikidata":"https://www.wikidata.org/wiki/Q6522493","display_name":"Ranging","level":2,"score":0.33379998803138733},{"id":"https://openalex.org/C49781872","wikidata":"https://www.wikidata.org/wiki/Q1045555","display_name":"Maximum likelihood","level":2,"score":0.3287999927997589},{"id":"https://openalex.org/C26713055","wikidata":"https://www.wikidata.org/wiki/Q245962","display_name":"Implementation","level":2,"score":0.3230000138282776},{"id":"https://openalex.org/C30769735","wikidata":"https://www.wikidata.org/wiki/Q2165951","display_name":"Volume rendering","level":3,"score":0.3140999972820282},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.31150001287460327},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.2973000109195709},{"id":"https://openalex.org/C123688308","wikidata":"https://www.wikidata.org/wiki/Q7309537","display_name":"Correction for attenuation","level":3,"score":0.29670000076293945},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.2865000069141388},{"id":"https://openalex.org/C68339613","wikidata":"https://www.wikidata.org/wiki/Q1549489","display_name":"Speedup","level":2,"score":0.2842999994754791},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2793999910354614},{"id":"https://openalex.org/C2779898584","wikidata":"https://www.wikidata.org/wiki/Q7820109","display_name":"Reconstruction algorithm","level":3,"score":0.2743000090122223},{"id":"https://openalex.org/C544519230","wikidata":"https://www.wikidata.org/wiki/Q32566","display_name":"Computed tomography","level":2,"score":0.2727000117301941},{"id":"https://openalex.org/C3020654733","wikidata":"https://www.wikidata.org/wiki/Q6038852","display_name":"Phase unwrapping","level":3,"score":0.2703999876976013},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.2515000104904175}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2312/vg/vg03/015-026","is_oa":true,"landing_page_url":"https://doi.org/10.2312/vg/vg03/015-026","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"doi:10.2312/vg/vg03/015-026","is_oa":true,"landing_page_url":"https://doi.org/10.2312/vg/vg03/015-026","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"We":[0,82],"present":[1,71,84],"new":[2],"implementations":[3],"of":[4,31,96,104],"the":[5,13,40],"Maximum":[6],"Likelihood":[7],"Expectation":[8],"Maximization":[9],"(EM)":[10],"algorithm":[11,57],"and":[12,28],"related":[14],"Ordered":[15],"Subset":[16],"EM":[17],"(OSEM)":[18],"algorithm.":[19],"Our":[20],"implementation":[21,88],"is":[22,50],"based":[23],"on":[24],"modern":[25],"graphics":[26],"hardware":[27,87],"achieves":[29],"speedups":[30],"over":[32,74],"eight":[33],"times":[34],"current":[35],"software":[36],"implementation,":[37],"while":[38],"reducing":[39],"RAM":[41],"required":[42],"to":[43,64],"practical":[44,58],"amounts":[45],"for":[46,59,89],"today's":[47],"PC's.":[48],"This":[49],"significant":[51],"as":[52,78],"it":[53],"will":[54],"make":[55],"this":[56],"clinical":[60],"use.":[61],"In":[62],"order":[63],"achieve":[65],"a":[66,85,109],"large":[67],"speed":[68,111],"up,":[69],"we":[70],"bit":[72],"splitting":[73],"different":[75],"color":[76],"channels":[77],"an":[79],"accumulation":[80],"strategy.":[81],"also":[83],"novel":[86],"volume":[90],"rendering":[91],"emission":[92],"data":[93],"without":[94],"loss":[95],"accuracy.":[97],"Improved":[98],"results":[99],"are":[100],"achieved":[101],"through":[102],"incorporation":[103],"attenuation":[105],"correction":[106],"with":[107],"only":[108],"small":[110],"penalty.":[112]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2025-10-10T00:00:00"}
