{"id":"https://openalex.org/W1990232186","doi":"https://doi.org/10.1109/bmei.2011.6098411","title":"Linac photon spectra reconstruction using a depth dose gradient TSVD methodology based on Monte Carlo simulation","display_name":"Linac photon spectra reconstruction using a depth dose gradient TSVD methodology based on Monte Carlo simulation","publication_year":2011,"publication_date":"2011-10-01","ids":{"openalex":"https://openalex.org/W1990232186","doi":"https://doi.org/10.1109/bmei.2011.6098411","mag":"1990232186"},"language":"en","primary_location":{"id":"doi:10.1109/bmei.2011.6098411","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bmei.2011.6098411","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 4th International Conference on Biomedical Engineering and Informatics (BMEI)","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/A5038307327","display_name":"B. Juste","orcid":"https://orcid.org/0000-0003-1978-3765"},"institutions":[{"id":"https://openalex.org/I60053951","display_name":"Universitat Polit\u00e8cnica de Val\u00e8ncia","ror":"https://ror.org/01460j859","country_code":"ES","type":"education","lineage":["https://openalex.org/I60053951"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"B. Juste","raw_affiliation_strings":["Institute of Industrial, Radiophysical and Environmental Safety, Universitat Polt\u00e9cnica de Val\u00e9ncia, Valencia, Spain","The Institute for Industrial, Radiophysical and Environmental Safety. Universitat Polt\u00e8cnica de Val\u00e8ncia., Valencia, Spain"],"affiliations":[{"raw_affiliation_string":"Institute of Industrial, Radiophysical and Environmental Safety, Universitat Polt\u00e9cnica de Val\u00e9ncia, Valencia, Spain","institution_ids":["https://openalex.org/I60053951"]},{"raw_affiliation_string":"The Institute for Industrial, Radiophysical and Environmental Safety. Universitat Polt\u00e8cnica de Val\u00e8ncia., Valencia, Spain","institution_ids":["https://openalex.org/I60053951"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035182566","display_name":"R. Mir\u00f3","orcid":"https://orcid.org/0000-0003-1012-0869"},"institutions":[{"id":"https://openalex.org/I60053951","display_name":"Universitat Polit\u00e8cnica de Val\u00e8ncia","ror":"https://ror.org/01460j859","country_code":"ES","type":"education","lineage":["https://openalex.org/I60053951"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"R. Miro","raw_affiliation_strings":["Institute of Industrial, Radiophysical and Environmental Safety, Universitat Polt\u00e9cnica de Val\u00e9ncia, Valencia, Spain","The Institute for Industrial, Radiophysical and Environmental Safety. Universitat Polt\u00e8cnica de Val\u00e8ncia., Valencia, Spain"],"affiliations":[{"raw_affiliation_string":"Institute of Industrial, Radiophysical and Environmental Safety, Universitat Polt\u00e9cnica de Val\u00e9ncia, Valencia, Spain","institution_ids":["https://openalex.org/I60053951"]},{"raw_affiliation_string":"The Institute for Industrial, Radiophysical and Environmental Safety. Universitat Polt\u00e8cnica de Val\u00e8ncia., Valencia, Spain","institution_ids":["https://openalex.org/I60053951"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010273815","display_name":"G. Verd\u00fa","orcid":"https://orcid.org/0000-0001-5098-080X"},"institutions":[{"id":"https://openalex.org/I60053951","display_name":"Universitat Polit\u00e8cnica de Val\u00e8ncia","ror":"https://ror.org/01460j859","country_code":"ES","type":"education","lineage":["https://openalex.org/I60053951"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"G. Verdu","raw_affiliation_strings":["Institute of Industrial, Radiophysical and Environmental Safety, Universitat Polt\u00e9cnica de Val\u00e9ncia, Valencia, Spain","The Institute for Industrial, Radiophysical and Environmental Safety. Universitat Polt\u00e8cnica de Val\u00e8ncia., Valencia, Spain"],"affiliations":[{"raw_affiliation_string":"Institute of Industrial, Radiophysical and Environmental Safety, Universitat Polt\u00e9cnica de Val\u00e9ncia, Valencia, Spain","institution_ids":["https://openalex.org/I60053951"]},{"raw_affiliation_string":"The Institute for Industrial, Radiophysical and Environmental Safety. Universitat Polt\u00e8cnica de Val\u00e8ncia., Valencia, Spain","institution_ids":["https://openalex.org/I60053951"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076172614","display_name":"Sergio Ca\u00f1as D\u00edez","orcid":"https://orcid.org/0000-0003-2789-3315"},"institutions":[{"id":"https://openalex.org/I4210094406","display_name":"Hospital Cl\u00ednico Universitario de Valencia","ror":"https://ror.org/00hpnj894","country_code":"ES","type":"healthcare","lineage":["https://openalex.org/I4210094406"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"S. Diez","raw_affiliation_strings":["Hospital Cl\u00ednic Universitari de Valencia, Valencia, Spain","Hospital Cl\u00ednic Universitari de Valencia, Avda. Blasco Ib\u00e1\u00f1ez, 17 Valencia, Spain"],"affiliations":[{"raw_affiliation_string":"Hospital Cl\u00ednic Universitari de Valencia, Valencia, Spain","institution_ids":["https://openalex.org/I4210094406"]},{"raw_affiliation_string":"Hospital Cl\u00ednic Universitari de Valencia, Avda. Blasco Ib\u00e1\u00f1ez, 17 Valencia, Spain","institution_ids":["https://openalex.org/I4210094406"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5006860776","display_name":"J.M. Campayo","orcid":null},"institutions":[{"id":"https://openalex.org/I4210094406","display_name":"Hospital Cl\u00ednico Universitario de Valencia","ror":"https://ror.org/00hpnj894","country_code":"ES","type":"healthcare","lineage":["https://openalex.org/I4210094406"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"J. M. Campayo","raw_affiliation_strings":["Hospital Cl\u00ednic Universitari de Valencia, Valencia, Spain","Hospital Cl\u00ednic Universitari de Valencia, Avda. Blasco Ib\u00e1\u00f1ez, 17 Valencia, Spain"],"affiliations":[{"raw_affiliation_string":"Hospital Cl\u00ednic Universitari de Valencia, Valencia, Spain","institution_ids":["https://openalex.org/I4210094406"]},{"raw_affiliation_string":"Hospital Cl\u00ednic Universitari de Valencia, Avda. Blasco Ib\u00e1\u00f1ez, 17 Valencia, Spain","institution_ids":["https://openalex.org/I4210094406"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5038307327"],"corresponding_institution_ids":["https://openalex.org/I60053951"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.08506692,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"786","last_page":"790"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10358","display_name":"Advanced Radiotherapy Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10358","display_name":"Advanced Radiotherapy Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10844","display_name":"Radiation Dose and Imaging","score":0.9995999932289124,"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":0.9991000294685364,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/monte-carlo-method","display_name":"Monte Carlo method","score":0.833439826965332},{"id":"https://openalex.org/keywords/imaging-phantom","display_name":"Imaging phantom","score":0.7345016598701477},{"id":"https://openalex.org/keywords/photon","display_name":"Photon","score":0.7195389270782471},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.5277643203735352},{"id":"https://openalex.org/keywords/linear-particle-accelerator","display_name":"Linear particle accelerator","score":0.5027105808258057},{"id":"https://openalex.org/keywords/spectral-line","display_name":"Spectral line","score":0.4947928786277771},{"id":"https://openalex.org/keywords/computational-physics","display_name":"Computational physics","score":0.4854886829853058},{"id":"https://openalex.org/keywords/spectral-power-distribution","display_name":"Spectral power distribution","score":0.46124452352523804},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.44675421714782715},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.3524792790412903},{"id":"https://openalex.org/keywords/beam","display_name":"Beam (structure)","score":0.3069533705711365},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21379241347312927},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.08947572112083435}],"concepts":[{"id":"https://openalex.org/C19499675","wikidata":"https://www.wikidata.org/wiki/Q232207","display_name":"Monte Carlo method","level":2,"score":0.833439826965332},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.7345016598701477},{"id":"https://openalex.org/C159317903","wikidata":"https://www.wikidata.org/wiki/Q3198","display_name":"Photon","level":2,"score":0.7195389270782471},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5277643203735352},{"id":"https://openalex.org/C180048950","wikidata":"https://www.wikidata.org/wiki/Q836828","display_name":"Linear particle accelerator","level":3,"score":0.5027105808258057},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.4947928786277771},{"id":"https://openalex.org/C30475298","wikidata":"https://www.wikidata.org/wiki/Q909554","display_name":"Computational physics","level":1,"score":0.4854886829853058},{"id":"https://openalex.org/C94360122","wikidata":"https://www.wikidata.org/wiki/Q1967557","display_name":"Spectral power distribution","level":2,"score":0.46124452352523804},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.44675421714782715},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3524792790412903},{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.3069533705711365},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21379241347312927},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.08947572112083435},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/bmei.2011.6098411","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bmei.2011.6098411","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 4th International Conference on Biomedical Engineering and Informatics (BMEI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.75,"display_name":"Clean water and sanitation","id":"https://metadata.un.org/sdg/6"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W1968735445","https://openalex.org/W1985503016","https://openalex.org/W2033242948"],"related_works":["https://openalex.org/W2417440389","https://openalex.org/W2103123203","https://openalex.org/W4244157427","https://openalex.org/W2734382758","https://openalex.org/W4385556839","https://openalex.org/W4378746257","https://openalex.org/W2161277369","https://openalex.org/W1722985304","https://openalex.org/W2109481748","https://openalex.org/W2381719890"],"abstract_inverted_index":{"Megavoltage":[0],"photon":[1,35,89,168],"beams":[2],"are":[3,25,145],"widely":[4],"used":[5,87],"for":[6,20,88,124],"radiation":[7,54],"therapy":[8],"treatments,":[9],"and":[10,61,80,111],"the":[11,72,103,132,139,152],"precise":[12],"knowledge":[13,95],"of":[14,33,96],"their":[15],"spectral":[16,90,97],"distribution":[17],"is":[18,51,58,129],"important":[19],"accurate":[21],"dose":[22,41,105,121,136],"calculations.":[23],"There":[24],"several":[26],"methods":[27],"that":[28,131,159],"can":[29,85],"offer":[30],"reasonable":[31],"estimations":[32],"linac":[34,167],"spectra":[36,140,169],"based":[37],"on":[38],"measured":[39],"depth":[40,104,120],"distributions":[42],"in":[43,71,107,135,166],"a":[44,78,108],"water":[45,109],"tank.":[46],"However,":[47],"this":[48,143,160],"reconstruction":[49,91,154],"problem":[50],"an":[52,113],"inverse":[53],"transport":[55],"function":[56],"which":[57,84],"poorly":[59],"conditioned":[60],"its":[62],"solution":[63],"may":[64],"become":[65],"unstable":[66],"due":[67],"to":[68],"small":[69],"perturbations":[70],"input":[73],"data.":[74],"We":[75],"present":[76],"here":[77],"novel":[79],"more":[81],"stable":[82],"method":[83,115],"be":[86,164],"without":[92],"any":[93],"prior":[94],"distribution.":[98],"This":[99],"technique":[100],"involves":[101],"measuring":[102],"curve":[106],"phantom":[110],"applying":[112],"unfolding":[114],"using":[116,138],"Monte":[117],"Carlo":[118],"simulated":[119],"gradient":[122,161],"curves":[123],"consecutives":[125],"mono-energetic":[126],"beams.":[127],"It":[128],"shown":[130],"relative":[133],"errors":[134],"calculations,":[137],"reconstructed":[141],"via":[142,151],"method,":[144],"significantly":[146],"smaller":[147],"than":[148],"those":[149],"obtained":[150],"traditional":[153],"algorithms.":[155],"These":[156],"results":[157],"suggest":[158],"algorithm":[162],"could":[163],"useful":[165],"routines":[170],"calibration.":[171]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-11-25T21:42:39.735039","created_date":"2025-10-10T00:00:00"}