{"id":"https://openalex.org/W2738035129","doi":"https://doi.org/10.1145/3102163.3102234","title":"Lightdrum","display_name":"Lightdrum","publication_year":2017,"publication_date":"2017-07-25","ids":{"openalex":"https://openalex.org/W2738035129","doi":"https://doi.org/10.1145/3102163.3102234","mag":"2738035129"},"language":"en","primary_location":{"id":"doi:10.1145/3102163.3102234","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3102163.3102234","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM SIGGRAPH 2017 Posters","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/A5088494403","display_name":"Vlastimil Havran","orcid":"https://orcid.org/0000-0002-3329-8814"},"institutions":[{"id":"https://openalex.org/I44504214","display_name":"Czech Technical University in Prague","ror":"https://ror.org/03kqpb082","country_code":"CZ","type":"education","lineage":["https://openalex.org/I44504214"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Vlastimil Havran","raw_affiliation_strings":["Czech Technical University in Prague, Czech Republic"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Czech Technical University in Prague, Czech Republic","institution_ids":["https://openalex.org/I44504214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032391018","display_name":"Jan Ho\u0161ek","orcid":"https://orcid.org/0000-0001-8846-6355"},"institutions":[{"id":"https://openalex.org/I44504214","display_name":"Czech Technical University in Prague","ror":"https://ror.org/03kqpb082","country_code":"CZ","type":"education","lineage":["https://openalex.org/I44504214"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Jan Ho\u0161ek","raw_affiliation_strings":["Czech Technical University in Prague, Czech Republic"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Czech Technical University in Prague, Czech Republic","institution_ids":["https://openalex.org/I44504214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070877188","display_name":"\u0160\u00e1rka N\u011bmcov\u00e1","orcid":"https://orcid.org/0000-0002-4260-0907"},"institutions":[{"id":"https://openalex.org/I44504214","display_name":"Czech Technical University in Prague","ror":"https://ror.org/03kqpb082","country_code":"CZ","type":"education","lineage":["https://openalex.org/I44504214"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"\u0160\u00e1rka N\u011bmcov\u00e1","raw_affiliation_strings":["Czech Technical University in Prague, Czech Republic"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Czech Technical University in Prague, Czech Republic","institution_ids":["https://openalex.org/I44504214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057061203","display_name":"Ji\u0159\u00ed \u010c\u00e1p","orcid":"https://orcid.org/0000-0002-8595-4369"},"institutions":[{"id":"https://openalex.org/I44504214","display_name":"Czech Technical University in Prague","ror":"https://ror.org/03kqpb082","country_code":"CZ","type":"education","lineage":["https://openalex.org/I44504214"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Ji\u0159\u00ed \u010c\u00e1p","raw_affiliation_strings":["Czech Technical University in Prague, Czech Republic"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Czech Technical University in Prague, Czech Republic","institution_ids":["https://openalex.org/I44504214"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014451969","display_name":"Ji\u0159\u0131\u0301 Bittner","orcid":"https://orcid.org/0000-0002-5818-934X"},"institutions":[{"id":"https://openalex.org/I44504214","display_name":"Czech Technical University in Prague","ror":"https://ror.org/03kqpb082","country_code":"CZ","type":"education","lineage":["https://openalex.org/I44504214"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Ji\u0159\u00ed Bittner","raw_affiliation_strings":["Czech Technical University in Prague, Czech Republic"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Czech Technical University in Prague, Czech Republic","institution_ids":["https://openalex.org/I44504214"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.09100744,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"2"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10638","display_name":"Optical measurement and interference techniques","score":0.995199978351593,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10638","display_name":"Optical measurement and interference techniques","score":0.995199978351593,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9948999881744385,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T11666","display_name":"Color Science and Applications","score":0.9926000237464905,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/bidirectional-reflectance-distribution-function","display_name":"Bidirectional reflectance distribution function","score":0.9082130193710327},{"id":"https://openalex.org/keywords/sample","display_name":"Sample (material)","score":0.6198005676269531},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.6127643585205078},{"id":"https://openalex.org/keywords/collimator","display_name":"Collimator","score":0.5514428019523621},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4958589971065521},{"id":"https://openalex.org/keywords/perpendicular","display_name":"Perpendicular","score":0.45796138048171997},{"id":"https://openalex.org/keywords/collimated-light","display_name":"Collimated light","score":0.4494672119617462},{"id":"https://openalex.org/keywords/reflectivity","display_name":"Reflectivity","score":0.3811453580856323},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.37424004077911377},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.21097642183303833},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.21045953035354614},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09737703204154968},{"id":"https://openalex.org/keywords/laser","display_name":"Laser","score":0.08294147253036499}],"concepts":[{"id":"https://openalex.org/C151596937","wikidata":"https://www.wikidata.org/wiki/Q856980","display_name":"Bidirectional reflectance distribution function","level":3,"score":0.9082130193710327},{"id":"https://openalex.org/C198531522","wikidata":"https://www.wikidata.org/wiki/Q485146","display_name":"Sample (material)","level":2,"score":0.6198005676269531},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.6127643585205078},{"id":"https://openalex.org/C2779200277","wikidata":"https://www.wikidata.org/wiki/Q1164658","display_name":"Collimator","level":2,"score":0.5514428019523621},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4958589971065521},{"id":"https://openalex.org/C199631012","wikidata":"https://www.wikidata.org/wiki/Q205034","display_name":"Perpendicular","level":2,"score":0.45796138048171997},{"id":"https://openalex.org/C34445779","wikidata":"https://www.wikidata.org/wiki/Q1571347","display_name":"Collimated light","level":3,"score":0.4494672119617462},{"id":"https://openalex.org/C108597893","wikidata":"https://www.wikidata.org/wiki/Q663650","display_name":"Reflectivity","level":2,"score":0.3811453580856323},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.37424004077911377},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.21097642183303833},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.21045953035354614},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09737703204154968},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.08294147253036499},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3102163.3102234","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3102163.3102234","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM SIGGRAPH 2017 Posters","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W2585424747","https://openalex.org/W2590425221"],"related_works":["https://openalex.org/W3141296800","https://openalex.org/W1994111552","https://openalex.org/W2953951031","https://openalex.org/W3043027354","https://openalex.org/W1794199011","https://openalex.org/W3149298132","https://openalex.org/W2093618887","https://openalex.org/W2044404339","https://openalex.org/W2367347689","https://openalex.org/W2177443599"],"abstract_inverted_index":{"We":[0,132],"present":[1],"a":[2,59,65,129,157,163,177,183,209],"portable":[3,152],"instrument":[4,49,144,150,180,202],"for":[5,29,195],"on":[6,89],"site":[7],"measuring":[8],"of":[9,104,142,160,189,197],"surface":[10,218],"reflectance":[11,22],"represented":[12],"by":[13],"the":[14,20,34,37,41,48,53,72,81,90,93,99,102,105,115,138,143,146,187,192],"bidirectional":[15,21],"texture":[16],"function":[17,24],"(BTF)":[18],"and":[19,69,74,92,153,191],"distribution":[23],"(BRDF).":[25],"Our":[26],"device":[27],"allows":[28],"measurement":[30,196],"application":[31],"scenarios":[32],"outside":[33],"laboratory":[35],"without":[36],"necessity":[38],"to":[39,52,110,128,136,166,214],"extract":[40],"measured":[42,54,130],"sample":[43,82],"from":[44,108],"its":[45,119],"environment":[46],"because":[47],"is":[50,58,151],"taken":[51],"sample.":[55,131,147],"The":[56,84,148,179,201],"concept":[57],"rotational":[60],"lightweight":[61],"light":[62,75],"stage":[63],"with":[64],"compact":[66],"hemispherical":[67,116],"dome":[68,117],"cameras":[70,95],"along":[71,98,118],"meridian":[73],"emitting":[76],"diode":[77],"(LED)":[78],"modules":[79,86],"illuminating":[80],"surface.":[83],"LED":[85],"are":[87,212],"fixed":[88],"hemisphere":[91],"six":[94],"can":[96,122,172],"move":[97],"arc":[100],"in":[101,176,208],"range":[103],"elevation":[106],"angle":[107],"0":[109],"75":[111],"degrees.":[112],"By":[113],"rotating":[114],"axis":[120],"we":[121],"set":[123],"all":[124],"possible":[125],"camera":[126],"directions":[127],"use":[133],"an":[134],"auto-collimator":[135],"adjust":[137],"correct":[139],"perpendicular":[140],"direction":[141],"against":[145],"proposed":[149],"fast":[154],"while":[155],"maintaining":[156],"high":[158],"degree":[159],"accuracy":[161,188],"achieving":[162],"quality":[164],"similar":[165],"existing":[167],"stationary":[168],"BTF":[169],"gantries":[170],"that":[171,211],"be":[173],"only":[174],"used":[175],"laboratory.":[178],"design":[181],"provides":[182,203],"good":[184],"tradeoff":[185],"between":[186],"measurements":[190],"practical":[193],"applicability":[194],"locally":[198],"flat":[199],"samples.":[200],"approximately":[204],"1000":[205],"HDR":[206],"photographs":[207],"minute":[210],"necessary":[213],"capture":[215],"spatially":[216],"varying":[217],"reflectance.":[219]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2017-07-31T00:00:00"}
