{"id":"https://openalex.org/W2600697885","doi":"https://doi.org/10.1109/tsp.2013.2264811","title":"Sparse Regression Algorithm for Activity Estimation in $\\gamma$ Spectrometry","display_name":"Sparse Regression Algorithm for Activity Estimation in $\\gamma$ Spectrometry","publication_year":2013,"publication_date":"2013-05-23","ids":{"openalex":"https://openalex.org/W2600697885","doi":"https://doi.org/10.1109/tsp.2013.2264811","mag":"2600697885"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2013.2264811","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2013.2264811","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1202.6011","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5065297968","display_name":"Yann Sepulcre","orcid":null},"institutions":[{"id":"https://openalex.org/I192238737","display_name":"Jerusalem College of Technology","ror":"https://ror.org/002kenh51","country_code":"IL","type":"education","lineage":["https://openalex.org/I192238737"]},{"id":"https://openalex.org/I2799430644","display_name":"Azrieli College of Engineering Jerusalem","ror":"https://ror.org/05tg57g61","country_code":"IL","type":"education","lineage":["https://openalex.org/I2799430644"]}],"countries":["IL"],"is_corresponding":true,"raw_author_name":"Yann Sepulcre","raw_affiliation_strings":["Department of Computer Science, Jerusalem College of Engineering, Israel","Department of Computer Science, Jerusalem College of Engineering, Jerusalem, Israel"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Jerusalem College of Engineering, Israel","institution_ids":["https://openalex.org/I2799430644","https://openalex.org/I192238737"]},{"raw_affiliation_string":"Department of Computer Science, Jerusalem College of Engineering, Jerusalem, Israel","institution_ids":["https://openalex.org/I2799430644"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Thomas Trigano","orcid":null},"institutions":[{"id":"https://openalex.org/I3129975082","display_name":"Sami Shamoon College of Engineering","ror":"https://ror.org/011aa4g29","country_code":"IL","type":"education","lineage":["https://openalex.org/I3129975082"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Thomas Trigano","raw_affiliation_strings":["Department of Electrical Engineering, Shamoon College of Engineering, Israel","Department of Electrical Engineering, Shamoon College of Engineering, Ashdod, Israel"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Shamoon College of Engineering, Israel","institution_ids":["https://openalex.org/I3129975082"]},{"raw_affiliation_string":"Department of Electrical Engineering, Shamoon College of Engineering, Ashdod, Israel","institution_ids":["https://openalex.org/I3129975082"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5078337882","display_name":"Ya\u2019acov Ritov","orcid":"https://orcid.org/0000-0002-6046-8479"},"institutions":[{"id":"https://openalex.org/I197251160","display_name":"Hebrew University of Jerusalem","ror":"https://ror.org/03qxff017","country_code":"IL","type":"education","lineage":["https://openalex.org/I197251160"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Ya'acov Ritov","raw_affiliation_strings":["Department of Statistics, Hebrew University of Jerusalem, Israel","Department of Statistics, Hebrew University of Jerusalem, Jerusalem, Israel"],"affiliations":[{"raw_affiliation_string":"Department of Statistics, Hebrew University of Jerusalem, Israel","institution_ids":["https://openalex.org/I197251160"]},{"raw_affiliation_string":"Department of Statistics, Hebrew University of Jerusalem, Jerusalem, Israel","institution_ids":["https://openalex.org/I197251160"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5065297968"],"corresponding_institution_ids":["https://openalex.org/I192238737","https://openalex.org/I2799430644"],"apc_list":null,"apc_paid":null,"fwci":0.9673,"has_fulltext":true,"cited_by_count":22,"citation_normalized_percentile":{"value":0.80365768,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"61","issue":"17","first_page":"4347","last_page":"4359"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10136","display_name":"Statistical Methods and Inference","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10136","display_name":"Statistical Methods and Inference","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12879","display_name":"Distributed Sensor Networks and Detection Algorithms","score":0.9900000095367432,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9754999876022339,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/lasso","display_name":"Lasso (programming language)","score":0.8333163857460022},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.7068878412246704},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5876854658126831},{"id":"https://openalex.org/keywords/poisson-distribution","display_name":"Poisson distribution","score":0.5807152390480042},{"id":"https://openalex.org/keywords/photon","display_name":"Photon","score":0.48844781517982483},{"id":"https://openalex.org/keywords/cox-process","display_name":"Cox process","score":0.4517180919647217},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4494759440422058},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.4427536725997925},{"id":"https://openalex.org/keywords/photon-counting","display_name":"Photon counting","score":0.4295782446861267},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4229717254638672},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.38004034757614136},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.34550631046295166},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1653175950050354},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.09847468137741089},{"id":"https://openalex.org/keywords/poisson-process","display_name":"Poisson process","score":0.09162935614585876}],"concepts":[{"id":"https://openalex.org/C37616216","wikidata":"https://www.wikidata.org/wiki/Q3218363","display_name":"Lasso (programming language)","level":2,"score":0.8333163857460022},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.7068878412246704},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5876854658126831},{"id":"https://openalex.org/C100906024","wikidata":"https://www.wikidata.org/wiki/Q205692","display_name":"Poisson distribution","level":2,"score":0.5807152390480042},{"id":"https://openalex.org/C159317903","wikidata":"https://www.wikidata.org/wiki/Q3198","display_name":"Photon","level":2,"score":0.48844781517982483},{"id":"https://openalex.org/C155051063","wikidata":"https://www.wikidata.org/wiki/Q1290919","display_name":"Cox process","level":4,"score":0.4517180919647217},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4494759440422058},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.4427536725997925},{"id":"https://openalex.org/C2781402376","wikidata":"https://www.wikidata.org/wiki/Q17126172","display_name":"Photon counting","level":3,"score":0.4295782446861267},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4229717254638672},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.38004034757614136},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.34550631046295166},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1653175950050354},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.09847468137741089},{"id":"https://openalex.org/C166144826","wikidata":"https://www.wikidata.org/wiki/Q1145117","display_name":"Poisson process","level":3,"score":0.09162935614585876},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tsp.2013.2264811","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2013.2264811","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1202.6011","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1202.6011","pdf_url":"https://arxiv.org/pdf/1202.6011","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1202.6011","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1202.6011","pdf_url":"https://arxiv.org/pdf/1202.6011","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[{"score":0.46000000834465027,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321950","display_name":"Hebrew University of Jerusalem","ror":"https://ror.org/03qxff017"},{"id":"https://openalex.org/F4320322252","display_name":"Israel Science Foundation","ror":"https://ror.org/04sazxf24"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2600697885.pdf","grobid_xml":"https://content.openalex.org/works/W2600697885.grobid-xml"},"referenced_works_count":43,"referenced_works":["https://openalex.org/W1506537565","https://openalex.org/W1512308554","https://openalex.org/W1650310283","https://openalex.org/W1986931325","https://openalex.org/W1992567857","https://openalex.org/W1998708564","https://openalex.org/W2002286789","https://openalex.org/W2010824638","https://openalex.org/W2053296988","https://openalex.org/W2063978378","https://openalex.org/W2084501333","https://openalex.org/W2088440099","https://openalex.org/W2092058109","https://openalex.org/W2099641086","https://openalex.org/W2104783034","https://openalex.org/W2107861471","https://openalex.org/W2109842006","https://openalex.org/W2116581043","https://openalex.org/W2116611182","https://openalex.org/W2121293906","https://openalex.org/W2127300249","https://openalex.org/W2135046866","https://openalex.org/W2138019504","https://openalex.org/W2143853771","https://openalex.org/W2143894665","https://openalex.org/W2147162579","https://openalex.org/W2147631685","https://openalex.org/W2150940164","https://openalex.org/W2158537680","https://openalex.org/W2161765392","https://openalex.org/W2800750158","https://openalex.org/W2994425648","https://openalex.org/W2997644599","https://openalex.org/W3098834468","https://openalex.org/W3099718522","https://openalex.org/W3100041486","https://openalex.org/W3100190044","https://openalex.org/W3100937728","https://openalex.org/W3106266785","https://openalex.org/W4234296777","https://openalex.org/W4251118628","https://openalex.org/W6677411800","https://openalex.org/W6682241100"],"related_works":["https://openalex.org/W4256576576","https://openalex.org/W3090384609","https://openalex.org/W133728297","https://openalex.org/W4236668082","https://openalex.org/W1979678609","https://openalex.org/W2386551079","https://openalex.org/W2387184232","https://openalex.org/W1976053944","https://openalex.org/W2347893880","https://openalex.org/W1941832079"],"abstract_inverted_index":{"We":[0,83,103,153],"consider":[1],"the":[2,25,40,43,47,50,70,74,81,89,110,120,143,149,163,168,175,180,188],"counting":[3,92,181],"rate":[4,93,182],"estimation":[5,94],"of":[6,27,39,42,49,73,91,109,140,179,187],"an":[7,18],"unknown":[8],"radioactive":[9],"source,":[10],"which":[11,160],"emits":[12],"photons":[13,29],"at":[14],"times":[15],"modeled":[16],"by":[17],"homogeneous":[19],"Poisson":[20,44],"process.":[21,45],"A":[22],"spectrometer":[23],"converts":[24],"energy":[26],"incoming":[28],"into":[30],"electrical":[31],"pulses,":[32],"whose":[33],"number":[34],"provides":[35],"a":[36,54,66,99,105,171],"rough":[37],"estimate":[38,119,178],"intensity":[41],"When":[46],"activity":[48],"source":[51,75],"is":[52,130,145,151],"high,":[53],"physical":[55],"phenomenon":[56],"known":[57],"as":[58,98],"pileup":[59],"effect":[60],"distorts":[61],"direct":[62],"measurements,":[63],"resulting":[64],"in":[65,80,85,127,138],"significant":[67],"bias":[68],"to":[69,118,174],"standard":[71],"estimators":[72],"activities":[76],"used":[77],"so":[78],"far":[79],"field.":[82],"show":[84],"this":[86,128],"paper":[87],"that":[88,131,162],"problem":[90,129],"can":[95,135,166],"be":[96],"interpreted":[97],"sparse":[100],"regression":[101],"problem.":[102],"suggest":[104],"post-processed,":[106],"non-negative,":[107],"version":[108],"Least":[111],"Absolute":[112],"Shrinkage":[113],"and":[114,148,158,195],"Selection":[115],"Operator":[116],"(LASSO)":[117],"photon":[121],"arrival":[122],"times.":[123],"The":[124,184],"main":[125],"difficulty":[126],"no":[132],"theoretical":[133,156],"conditions":[134,157],"guarantee":[136],"consistency":[137],"sparsity":[139],"LASSO,":[141],"because":[142],"dictionary":[144],"not":[146],"ideal":[147],"signal":[150],"sampled.":[152],"therefore":[154],"derive":[155],"bounds":[159],"illustrate":[161],"proposed":[164,189],"method":[165],"none":[167],"less":[169],"provide":[170],"good,":[172],"close":[173],"best":[176],"attainable,":[177],"activity.":[183],"good":[185],"performances":[186],"approach":[190],"are":[191],"studied":[192],"on":[193],"simulations":[194],"real":[196],"datasets.":[197]},"counts_by_year":[{"year":2024,"cited_by_count":4},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1}],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2017-04-07T00:00:00"}