{"id":"https://openalex.org/W4408352412","doi":"https://doi.org/10.1109/icassp49660.2025.10889178","title":"Two-Dimensional Unknown View Tomography from Unknown Angle Distributions","display_name":"Two-Dimensional Unknown View Tomography from Unknown Angle Distributions","publication_year":2025,"publication_date":"2025-03-12","ids":{"openalex":"https://openalex.org/W4408352412","doi":"https://doi.org/10.1109/icassp49660.2025.10889178"},"language":"en","primary_location":{"id":"doi:10.1109/icassp49660.2025.10889178","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10889178","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5114226321","display_name":"Kaishva Chintan Shah","orcid":null},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Kaishva Chintan Shah","raw_affiliation_strings":["Indian Institute of Technology Bombay,Department of Electrical Engineering,Mumbai,India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Bombay,Department of Electrical Engineering,Mumbai,India","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063624532","display_name":"Karthik S. Gurumoorthy","orcid":"https://orcid.org/0000-0002-2483-3723"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Karthik S. Gurumoorthy","raw_affiliation_strings":["Walmart Global Tech,Bengaluru,India"],"affiliations":[{"raw_affiliation_string":"Walmart Global Tech,Bengaluru,India","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072824358","display_name":"Ajit Rajwade","orcid":"https://orcid.org/0000-0001-6463-3315"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Ajit Rajwade","raw_affiliation_strings":["Indian Insititute of Technology Bombay,Department of Computer Science and Engineering,Mumbai,India"],"affiliations":[{"raw_affiliation_string":"Indian Insititute of Technology Bombay,Department of Computer Science and Engineering,Mumbai,India","institution_ids":["https://openalex.org/I162827531"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5114226321"],"corresponding_institution_ids":["https://openalex.org/I162827531"],"apc_list":null,"apc_paid":null,"fwci":2.8753,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.88622539,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10522","display_name":"Medical Imaging 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"}},"topics":[{"id":"https://openalex.org/T10522","display_name":"Medical Imaging 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"}},{"id":"https://openalex.org/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T10271","display_name":"Seismic Imaging and Inversion Techniques","score":0.9850000143051147,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/tomography","display_name":"Tomography","score":0.656682550907135},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.481740266084671},{"id":"https://openalex.org/keywords/computed-tomography","display_name":"Computed tomography","score":0.46647343039512634},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.21624937653541565},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.1492886245250702},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.13270637392997742},{"id":"https://openalex.org/keywords/radiology","display_name":"Radiology","score":0.1308472454547882}],"concepts":[{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.656682550907135},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.481740266084671},{"id":"https://openalex.org/C544519230","wikidata":"https://www.wikidata.org/wiki/Q32566","display_name":"Computed tomography","level":2,"score":0.46647343039512634},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.21624937653541565},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.1492886245250702},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.13270637392997742},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.1308472454547882}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp49660.2025.10889178","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10889178","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W655153844","https://openalex.org/W1985933080","https://openalex.org/W1986304086","https://openalex.org/W1996695325","https://openalex.org/W2009159860","https://openalex.org/W2023085305","https://openalex.org/W2037521346","https://openalex.org/W2053831664","https://openalex.org/W2094846597","https://openalex.org/W2097469960","https://openalex.org/W2112308043","https://openalex.org/W2124709258","https://openalex.org/W2471490820","https://openalex.org/W2510642301","https://openalex.org/W2887128430","https://openalex.org/W2950899821","https://openalex.org/W4246202668","https://openalex.org/W4293243599","https://openalex.org/W4379932239","https://openalex.org/W4386741170","https://openalex.org/W4405462579","https://openalex.org/W4408352412"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"This":[0],"study":[1],"presents":[2],"a":[3,27,43,110,118,132],"technique":[4,135],"for":[5,102],"2D":[6,48,54,91],"tomography":[7,24],"under":[8,128],"unknown":[9],"viewing":[10,17],"angles":[11,18],"when":[12],"the":[13,16,35,47,60,72,84,89,99,103,146],"distribution":[14,62,86,108],"of":[15,38,59,105,113,145],"is":[19,26,64],"also":[20],"unknown.":[21],"Unknown":[22],"view":[23],"(UVT)":[25],"problem":[28,73],"encountered":[29],"in":[30,34,93],"cryo-electron":[31],"microscopy":[32],"and":[33,117,136,153],"geometric":[36],"calibration":[37],"CT":[39],"systems.":[40],"There":[41],"exists":[42],"moderate-sized":[44],"literature":[45],"on":[46,79],"UVT":[49,55],"problem,":[50],"but":[51],"most":[52],"existing":[53],"algorithms":[56],"assume":[57],"knowledge":[58],"angle":[61,85],"which":[63],"not":[65],"available":[66],"usually.":[67],"Our":[68],"proposed":[69],"methodology":[70],"formulates":[71],"as":[74],"an":[75,94],"optimization":[76],"task":[77],"based":[78],"cross-validation":[80],"error,":[81],"to":[82,149,157],"estimate":[83],"jointly":[87],"with":[88],"underlying":[90],"structure":[92],"alternating":[95],"fashion.":[96],"We":[97,123],"explore":[98],"algorithm\u2019s":[100,126],"capabilities":[101],"case":[104],"two":[106],"probability":[107,119],"models:":[109],"semi-parametric":[111],"mixture":[112],"von":[114],"Mises":[115],"densities":[116],"mass":[120],"function":[121],"model.":[122],"evaluate":[124],"our":[125,155],"performance":[127],"noisy":[129],"projections":[130],"using":[131],"PCAbased":[133],"denoising":[134],"Graph":[137],"Laplacian":[138],"Tomography":[139],"(GLT)":[140],"driven":[141],"by":[142],"order":[143],"statistics":[144],"estimated":[147],"distribution,":[148],"ensure":[150],"near-perfect":[151],"ordering,":[152],"compare":[154],"algorithm":[156],"intuitive":[158],"baselines.":[159]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2025-12-28T23:10:05.387466","created_date":"2025-10-10T00:00:00"}
