{"id":"https://openalex.org/W2000700156","doi":"https://doi.org/10.1117/12.2007375","title":"LASCA and PPG imaging for non-contact assessment of skin blood supply","display_name":"LASCA and PPG imaging for non-contact assessment of skin blood supply","publication_year":2013,"publication_date":"2013-03-06","ids":{"openalex":"https://openalex.org/W2000700156","doi":"https://doi.org/10.1117/12.2007375","mag":"2000700156"},"language":"en","primary_location":{"id":"doi:10.1117/12.2007375","doi":"https://doi.org/10.1117/12.2007375","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2007375","pdf_url":null,"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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5005803463","display_name":"Dainis Jakovels","orcid":"https://orcid.org/0000-0002-2969-5972","observed_orcids":["https://orcid.org/0000-0002-2969-5972"]},"institutions":[{"id":"https://openalex.org/I91123046","display_name":"University of Latvia","ror":"https://ror.org/05g3mes96","country_code":"LV","type":"education","lineage":["https://openalex.org/I91123046"]}],"countries":["LV"],"is_corresponding":false,"raw_author_name":"Dainis Jakovels","raw_affiliation_strings":["Univ. of Latvia (Latvia)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Latvia (Latvia)","institution_ids":["https://openalex.org/I91123046"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024347929","display_name":"Uldis Rub\u012bns","orcid":"https://orcid.org/0000-0001-9033-0852","observed_orcids":["https://orcid.org/0000-0001-9033-0852"]},"institutions":[{"id":"https://openalex.org/I91123046","display_name":"University of Latvia","ror":"https://ror.org/05g3mes96","country_code":"LV","type":"education","lineage":["https://openalex.org/I91123046"]}],"countries":["LV"],"is_corresponding":false,"raw_author_name":"Uldis Rubins","raw_affiliation_strings":["Univ. of Latvia (Latvia)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Latvia (Latvia)","institution_ids":["https://openalex.org/I91123046"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023822179","display_name":"J\u0101nis Sp\u012bgulis","orcid":"https://orcid.org/0000-0003-3000-4486","observed_orcids":["https://orcid.org/0000-0003-3000-4486"]},"institutions":[{"id":"https://openalex.org/I91123046","display_name":"University of Latvia","ror":"https://ror.org/05g3mes96","country_code":"LV","type":"education","lineage":["https://openalex.org/I91123046"]}],"countries":["LV"],"is_corresponding":false,"raw_author_name":"Janis Spigulis","raw_affiliation_strings":["Univ. of Latvia (Latvia)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Latvia (Latvia)","institution_ids":["https://openalex.org/I91123046"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I91123046"],"apc_list":null,"apc_paid":null,"fwci":4.738,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.94756672,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"8668","issue":null,"first_page":"866849","last_page":"866849"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","score":0.6547999978065491,"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/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","score":0.6547999978065491,"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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.32710000872612,"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/T12994","display_name":"Infrared Thermography in Medicine","score":0.005400000140070915,"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/laser-speckle-contrast-imaging","display_name":"laser speckle contrast imaging","score":0.9929999709129333},{"id":"https://openalex.org/keywords/imaging-photoplethysmography","display_name":"imaging photoplethysmography","score":0.9559999704360962},{"id":"https://openalex.org/keywords/skin-blood-flow","display_name":"skin blood flow","score":0.9300000071525574},{"id":"https://openalex.org/keywords/capillary-blood-flow","display_name":"capillary blood flow","score":0.8330000042915344},{"id":"https://openalex.org/keywords/low-cost-equipment","display_name":"low-cost equipment","score":0.6600000262260437},{"id":"https://openalex.org/keywords/cmos-camera","display_name":"CMOS camera","score":0.7680000066757202},{"id":"https://openalex.org/keywords/laser-diode-illumination","display_name":"laser diode illumination","score":0.8640000224113464}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6027212738990784},{"id":"https://openalex.org/C158846371","wikidata":"https://www.wikidata.org/wiki/Q1642137","display_name":"Blood flow","level":2,"score":0.532959520816803},{"id":"https://openalex.org/C102290492","wikidata":"https://www.wikidata.org/wiki/Q7575045","display_name":"Speckle pattern","level":2,"score":0.48172977566719055},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.47484901547431946},{"id":"https://openalex.org/C116390426","wikidata":"https://www.wikidata.org/wiki/Q7187885","display_name":"Photoplethysmogram","level":3,"score":0.44745391607284546},{"id":"https://openalex.org/C136229726","wikidata":"https://www.wikidata.org/wiki/Q327092","display_name":"Biomedical engineering","level":1,"score":0.37469059228897095},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2867056727409363},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.28513240814208984},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.1990443766117096},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16617611050605774},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.16296091675758362},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14305683970451355},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.0844976007938385}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.2007375","doi":"https://doi.org/10.1117/12.2007375","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2007375","pdf_url":null,"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"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8048999905586243,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320335909","display_name":"State Education Development Agency Republic of Latvia","ror":"https://ror.org/055t1w920"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2060734001","https://openalex.org/W2062564069","https://openalex.org/W3137334683","https://openalex.org/W4386936353","https://openalex.org/W2958773234","https://openalex.org/W2073600472","https://openalex.org/W2024210016","https://openalex.org/W2084244379","https://openalex.org/W2154783457","https://openalex.org/W1961480411"],"abstract_inverted_index":{"Laser":[0,25],"speckle":[1],"contrast":[2],"analysis":[3],"(LASCA)":[4],"offers":[5],"a":[6,140],"non-contact,":[7],"full-field,":[8],"and":[9,16,65,70,91,125,159,177,187,207,213],"real-time":[10],"mapping":[11,208],"of":[12,38,59,123,133,183,209],"capillary":[13],"blood":[14,40,47,135,189,211],"flow":[15,190,212],"can":[17,43,201],"be":[18,44,94,202],"considered":[19],"as":[20,104,215],"an":[21],"alternative":[22],"method":[23],"to":[24,46,93,174],"Doppler":[26],"perfusion":[27],"imaging":[28,62,127,166,179],"(LDPI).":[29],"Photoplethysmography":[30],"(PPG)":[31],"is":[32,154],"well":[33],"known":[34],"technique":[35,76,128],"for":[36,107,129,156,164,204,218],"assessment":[37,132],"skin":[39,134,210],"pulsations":[41],"that":[42,198],"related":[45],"flow.":[48,136],"In":[49,116],"recent":[50],"years":[51],"several":[52,81],"studies":[53],"have":[54,100],"been":[55,78],"done":[56],"on":[57],"development":[58],"non-contact":[60],"PPG":[61,126,165],"(PPGI).":[63],"LASCA":[64,75,124,157,176],"PPGI":[66,178],"techniques":[67,99,200],"are":[68,87,162],"simpler":[69],"cheaper":[71],"compared":[72],"with":[73],"LDPI.":[74],"has":[77],"implemented":[79,214],"in":[80],"commercial":[82],"instruments.":[83],"However,":[84],"these":[85],"systems":[86],"still":[88],"too":[89],"expensive":[90],"bulky":[92],"widely":[95,141],"available.":[96],"Several":[97],"optical":[98],"found":[101],"new":[102],"implementations":[103],"connection":[105,216],"kits":[106,217],"mobile":[108],"phones":[109],"thus":[110],"offering":[111],"low":[112],"cost":[113],"screening":[114],"device.":[115,167],"this":[117],"work":[118],"we":[119],"demonstrate":[120],"simple":[121],"implementation":[122],"primary":[130],"low-cost":[131],"Both":[137],"devices":[138],"comprise":[139],"available":[142],"1.3":[143],"mega":[144],"pixel":[145],"CMOS":[146],"camera.":[147],"Stabilized":[148],"650":[149],"nm":[150],"laser":[151],"diode":[152],"module":[153],"used":[155,203],"illumination,":[158],"white":[160],"LEDs":[161],"illuminators":[163],"An":[168,181],"arterial":[169],"occlusion":[170],"test":[171,175],"was":[172,193],"performed":[173],"devices.":[180],"example":[182],"scratch":[184],"color":[185],"image":[186],"corresponding":[188],"map":[191],"also":[192],"demonstrated.":[194],"The":[195],"results":[196],"showed":[197],"both":[199],"fast":[205],"monitoring":[206],"smartphone.":[219]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}