{"id":"https://openalex.org/W2594980176","doi":"https://doi.org/10.1117/12.2253849","title":"Improved misfit function for attenuation and speed reconstruction in ultrasound computed tomography","display_name":"Improved misfit function for attenuation and speed reconstruction in ultrasound computed tomography","publication_year":2017,"publication_date":"2017-03-13","ids":{"openalex":"https://openalex.org/W2594980176","doi":"https://doi.org/10.1117/12.2253849","mag":"2594980176"},"language":"en","primary_location":{"id":"doi:10.1117/12.2253849","doi":"https://doi.org/10.1117/12.2253849","is_oa":true,"landing_page_url":"https://doi.org/10.1117/12.2253849","pdf_url":"https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10139/101390O/Improved-misfit-function-for-attenuation-and-speed-reconstruction-in-ultrasound/10.1117/12.2253849.pdf","source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10139/101390O/Improved-misfit-function-for-attenuation-and-speed-reconstruction-in-ultrasound/10.1117/12.2253849.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5051547572","display_name":"Mailyn P\u00e9rez-Liva","orcid":"https://orcid.org/0000-0002-4985-247X","observed_orcids":["https://orcid.org/0000-0002-4985-247X"]},"institutions":[{"id":"https://openalex.org/I121748325","display_name":"Universidad Complutense de Madrid","ror":"https://ror.org/02p0gd045","country_code":"ES","type":"education","lineage":["https://openalex.org/I121748325"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"M. P\u00e9rez-Liva","raw_affiliation_strings":["Univ. Complutense de Madrid (Spain)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. Complutense de Madrid (Spain)","institution_ids":["https://openalex.org/I121748325"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041975493","display_name":"Jos\u00e9 Manuel Ud\u00edas","orcid":"https://orcid.org/0000-0003-3714-764X","observed_orcids":["https://orcid.org/0000-0003-3714-764X"]},"institutions":[{"id":"https://openalex.org/I121748325","display_name":"Universidad Complutense de Madrid","ror":"https://ror.org/02p0gd045","country_code":"ES","type":"education","lineage":["https://openalex.org/I121748325"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"J. M. Ud\u00edas","raw_affiliation_strings":["Univ. Complutense de Madrid (Spain)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. Complutense de Madrid (Spain)","institution_ids":["https://openalex.org/I121748325"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023448964","display_name":"Joaqu\u00edn L. Herraiz","orcid":"https://orcid.org/0000-0001-7208-8863","observed_orcids":["https://orcid.org/0000-0001-7208-8863"]},"institutions":[{"id":"https://openalex.org/I121748325","display_name":"Universidad Complutense de Madrid","ror":"https://ror.org/02p0gd045","country_code":"ES","type":"education","lineage":["https://openalex.org/I121748325"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"J. L. Herraiz","raw_affiliation_strings":["Univ. Complutense de Madrid (Spain)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. Complutense de Madrid (Spain)","institution_ids":["https://openalex.org/I121748325"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I121748325"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.02628958,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"10139","issue":null,"first_page":"101390O","last_page":"101390O"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.3458999991416931,"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"}},"topics":[{"id":"https://openalex.org/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.3458999991416931,"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/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.2992999851703644,"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/T10727","display_name":"Ultrasound Imaging and Elastography","score":0.2615000009536743,"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/ultrasonic-tomography","display_name":"ultrasonic tomography","score":0.968999981880188},{"id":"https://openalex.org/keywords/sound-speed-reconstruction","display_name":"sound speed reconstruction","score":0.8109999895095825},{"id":"https://openalex.org/keywords/misfit-function","display_name":"misfit function","score":0.9440000057220459},{"id":"https://openalex.org/keywords/full-waveform-inversion","display_name":"full waveform inversion","score":0.6510000228881836},{"id":"https://openalex.org/keywords/time-misalignment","display_name":"time misalignment","score":0.6169999837875366},{"id":"https://openalex.org/keywords/amplitude-difference","display_name":"amplitude difference","score":0.7570000290870667},{"id":"https://openalex.org/keywords/total-variation-regularization","display_name":"total variation regularization","score":0.8809999823570251},{"id":"https://openalex.org/keywords/breast-phantom","display_name":"breast phantom","score":0.6790000200271606}],"concepts":[{"id":"https://openalex.org/C184652730","wikidata":"https://www.wikidata.org/wiki/Q2357982","display_name":"Attenuation","level":2,"score":0.7103891372680664},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.5493592023849487},{"id":"https://openalex.org/C22679943","wikidata":"https://www.wikidata.org/wiki/Q159375","display_name":"Standard deviation","level":2,"score":0.5310585498809814},{"id":"https://openalex.org/C200351514","wikidata":"https://www.wikidata.org/wiki/Q124003","display_name":"Speed of sound","level":2,"score":0.5273094177246094},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.502089262008667},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.5008721351623535},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.494473934173584},{"id":"https://openalex.org/C207282899","wikidata":"https://www.wikidata.org/wiki/Q7828156","display_name":"Total variation denoising","level":3,"score":0.4869628846645355},{"id":"https://openalex.org/C9936470","wikidata":"https://www.wikidata.org/wiki/Q6510405","display_name":"Least-squares function approximation","level":3,"score":0.4139152765274048},{"id":"https://openalex.org/C123688308","wikidata":"https://www.wikidata.org/wiki/Q7309537","display_name":"Correction for attenuation","level":3,"score":0.41144731640815735},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.40223848819732666},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.399397075176239},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.38801345229148865},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3587911128997803},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2136038839817047},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.19876840710639954},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17566922307014465},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1117/12.2253849","doi":"https://doi.org/10.1117/12.2253849","is_oa":true,"landing_page_url":"https://doi.org/10.1117/12.2253849","pdf_url":"https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10139/101390O/Improved-misfit-function-for-attenuation-and-speed-reconstruction-in-ultrasound/10.1117/12.2253849.pdf","source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"},{"id":"pmh:oai:docta.ucm.es:20.500.14352/19490","doi":null,"is_oa":true,"landing_page_url":"https://hdl.handle.net/20.500.14352/19490","pdf_url":"https://docta.ucm.es/bitstreams/2706670d-383e-4639-a57b-924412c322ae/download","source":{"id":"https://openalex.org/S4377196321","display_name":"Docta Complutense (Universidad Complutense de Madrid)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I121748325","host_organization_name":"Universidad Complutense de Madrid","host_organization_lineage":["https://openalex.org/I121748325"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"book part"},{"id":"pmh:oai:www.ucm.es:46106","doi":null,"is_oa":true,"landing_page_url":"https://eprints.ucm.es/46106/1/Ud%C3%ADasJM14libre.pdf","pdf_url":"https://eprints.ucm.es/46106/1/Ud%C3%ADasJM14libre.pdf","source":{"id":"https://openalex.org/S4306400298","display_name":"Library Open Repository (Universidad Complutense Madrid)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I121748325","host_organization_name":"Universidad Complutense de Madrid","host_organization_lineage":["https://openalex.org/I121748325"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/bookPart"}],"best_oa_location":{"id":"doi:10.1117/12.2253849","doi":"https://doi.org/10.1117/12.2253849","is_oa":true,"landing_page_url":"https://doi.org/10.1117/12.2253849","pdf_url":"https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10139/101390O/Improved-misfit-function-for-attenuation-and-speed-reconstruction-in-ultrasound/10.1117/12.2253849.pdf","source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2594980176.pdf","grobid_xml":"https://content.openalex.org/works/W2594980176.grobid-xml"},"referenced_works_count":22,"referenced_works":["https://openalex.org/W99479793","https://openalex.org/W1637875382","https://openalex.org/W1853328923","https://openalex.org/W1984068493","https://openalex.org/W1984200981","https://openalex.org/W1988285441","https://openalex.org/W1998953558","https://openalex.org/W1999318406","https://openalex.org/W2025955517","https://openalex.org/W2049824298","https://openalex.org/W2051873254","https://openalex.org/W2052131944","https://openalex.org/W2088415611","https://openalex.org/W2103559027","https://openalex.org/W2151263123","https://openalex.org/W2162473564","https://openalex.org/W2327001567","https://openalex.org/W2444688179","https://openalex.org/W2592125241","https://openalex.org/W2607283609","https://openalex.org/W4214593133","https://openalex.org/W4231488347"],"related_works":["https://openalex.org/W2444688179","https://openalex.org/W2592125241","https://openalex.org/W7128311886","https://openalex.org/W7118126661","https://openalex.org/W2595062929","https://openalex.org/W4220814469","https://openalex.org/W2106557383","https://openalex.org/W2963572874","https://openalex.org/W2922279334","https://openalex.org/W1984200981"],"abstract_inverted_index":{"The":[0,97,120,168,216],"reconstruction":[1],"of":[2,25,67,133,163,193,206,241],"acoustic":[3],"attenuation":[4,49,169,227],"maps":[5,41],"for":[6,86],"transmission":[7],"Ultrasound":[8],"Computed":[9],"Tomography":[10],"(USCT)":[11],"based":[12,172,182],"on":[13,173,183],"the":[14,22,26,31,38,48,52,68,87,91,94,103,115,129,134,138,161,164,191,194,196,213,223,226,231,234,239],"standard":[15,53,201],"least-squares":[16,54],"full":[17],"wave":[18,118,124],"inversion":[19],"method":[20,181],"requires":[21],"accurate":[23],"knowledge":[24],"sound":[27],"speed":[28,40,176,235],"map":[29,228,236],"in":[30,37,47,203,225,233,237],"region":[32],"under":[33],"study.":[34],"Any":[35],"deviation":[36],"reconstructed":[39,171],"creates":[42],"a":[43,75,143,174],"very":[44],"significant":[45],"bias":[46,224],"map,":[50],"as":[51],"misfit":[55,77,105,166,219],"function":[56,78,106,220],"is":[57],"more":[58],"sensitive":[59],"to":[60,64,101,159,212],"time":[61],"misalignments":[62],"than":[63],"amplitude":[65,88],"differences":[66,89],"signals.":[69,96],"In":[70],"this":[71],"work,":[72],"we":[73],"propose":[74],"generalized":[76,218],"which":[79],"includes":[80],"an":[81,110],"additional":[82],"term":[83],"that":[84],"accounts":[85],"between":[90],"measured":[92],"and":[93,114,122,137,153,199,210],"estimated":[95],"functional":[98],"gradients":[99],"used":[100,158],"minimize":[102],"proposed":[104,165,217],"were":[107,157,208],"obtained":[108,127],"using":[109],"adjoint":[111],"field":[112],"formulation":[113],"fractional":[116],"Laplacian":[117],"equation.":[119],"forward":[121],"backward":[123],"propagation":[125],"was":[126,140,170,186],"with":[128,142],"parallelized":[130],"GPU":[131],"version":[132],"software":[135],"k-Wave":[136],"optimization":[139],"performed":[141],"line":[144],"search":[145],"method.":[146],"A":[147],"numerical":[148],"phantom":[149],"simulating":[150],"breast":[151],"tissue":[152],"synthetic":[154],"noisy":[155],"data":[156],"test":[160],"performance":[162],"function.":[167],"converged":[175],"map.":[177],"An":[178],"edge-preserving":[179],"regularization":[180],"total":[184],"variation":[185],"also":[187],"implemented.":[188],"To":[189],"quantify":[190],"quality":[192],"results,":[195],"mean":[197],"values":[198],"their":[200],"deviations":[202,232],"several":[204],"regions":[205,240],"interest":[207,242],"analyzed":[209],"compared":[211],"reference":[214],"values.":[215],"decreases":[221],"considerably":[222],"caused":[229],"by":[230],"all":[238],"analyzed.":[243]},"counts_by_year":[],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2017-03-23T00:00:00"}
