{"id":"https://openalex.org/W1557654672","doi":"https://doi.org/10.1007/3-540-63930-6_104","title":"Determination of sign of gaussian curvature of surface having general reflectance property","display_name":"Determination of sign of gaussian curvature of surface having general reflectance property","publication_year":1997,"publication_date":"1997-01-01","ids":{"openalex":"https://openalex.org/W1557654672","doi":"https://doi.org/10.1007/3-540-63930-6_104","mag":"1557654672"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-63930-6_104","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-63930-6_104","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","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/A5009259465","display_name":"Takayuki Okatani","orcid":"https://orcid.org/0000-0001-9222-763X"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Takayuki Okatani","raw_affiliation_strings":["Faculty of Engineering, University of Tokyo, 113, Bunkyo-ku, Tokyo, Japan","university of Tokyo;"],"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, University of Tokyo, 113, Bunkyo-ku, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]},{"raw_affiliation_string":"university of Tokyo;","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109342991","display_name":"Koichiro Deguchi","orcid":null},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Koichiro Deguchi","raw_affiliation_strings":["Faculty of Engineering, University of Tokyo, 113, Bunkyo-ku, Tokyo, Japan","university of Tokyo;"],"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, University of Tokyo, 113, Bunkyo-ku, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]},{"raw_affiliation_string":"university of Tokyo;","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5009259465"],"corresponding_institution_ids":["https://openalex.org/I74801974"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.15333333,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"56","last_page":"63"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9987000226974487,"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"}},"topics":[{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9987000226974487,"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/T11211","display_name":"3D Surveying and Cultural Heritage","score":0.9944999814033508,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10638","display_name":"Optical measurement and interference techniques","score":0.9922000169754028,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/gaussian-curvature","display_name":"Gaussian curvature","score":0.8252071142196655},{"id":"https://openalex.org/keywords/curvature","display_name":"Curvature","score":0.7011001110076904},{"id":"https://openalex.org/keywords/surface","display_name":"Surface (topology)","score":0.6674010753631592},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.6669553518295288},{"id":"https://openalex.org/keywords/gaussian-surface","display_name":"Gaussian surface","score":0.6558204889297485},{"id":"https://openalex.org/keywords/sign","display_name":"Sign (mathematics)","score":0.6512942314147949},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6141960620880127},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6110146045684814},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.602074384689331},{"id":"https://openalex.org/keywords/rotation","display_name":"Rotation (mathematics)","score":0.5871626138687134},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5790255069732666},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5769414305686951},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.5223087668418884},{"id":"https://openalex.org/keywords/normal","display_name":"Normal","score":0.4831402003765106},{"id":"https://openalex.org/keywords/principal-curvature","display_name":"Principal curvature","score":0.41590186953544617},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.3952399492263794},{"id":"https://openalex.org/keywords/mean-curvature","display_name":"Mean curvature","score":0.27127546072006226},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.21964383125305176},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2182331681251526},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17290982604026794}],"concepts":[{"id":"https://openalex.org/C16140857","wikidata":"https://www.wikidata.org/wiki/Q945953","display_name":"Gaussian curvature","level":3,"score":0.8252071142196655},{"id":"https://openalex.org/C195065555","wikidata":"https://www.wikidata.org/wiki/Q214881","display_name":"Curvature","level":2,"score":0.7011001110076904},{"id":"https://openalex.org/C2776799497","wikidata":"https://www.wikidata.org/wiki/Q484298","display_name":"Surface (topology)","level":2,"score":0.6674010753631592},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.6669553518295288},{"id":"https://openalex.org/C68806387","wikidata":"https://www.wikidata.org/wiki/Q2724617","display_name":"Gaussian surface","level":3,"score":0.6558204889297485},{"id":"https://openalex.org/C139676723","wikidata":"https://www.wikidata.org/wiki/Q1193832","display_name":"Sign (mathematics)","level":2,"score":0.6512942314147949},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6141960620880127},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6110146045684814},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.602074384689331},{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.5871626138687134},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5790255069732666},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5769414305686951},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.5223087668418884},{"id":"https://openalex.org/C118732077","wikidata":"https://www.wikidata.org/wiki/Q273176","display_name":"Normal","level":3,"score":0.4831402003765106},{"id":"https://openalex.org/C16977076","wikidata":"https://www.wikidata.org/wiki/Q1589551","display_name":"Principal curvature","level":4,"score":0.41590186953544617},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3952399492263794},{"id":"https://openalex.org/C175017881","wikidata":"https://www.wikidata.org/wiki/Q1318998","display_name":"Mean curvature","level":3,"score":0.27127546072006226},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.21964383125305176},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2182331681251526},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17290982604026794},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C60799052","wikidata":"https://www.wikidata.org/wiki/Q46221","display_name":"Electric field","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/3-540-63930-6_104","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-63930-6_104","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.6600000262260437,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W97083571","https://openalex.org/W1565212980","https://openalex.org/W1974638621","https://openalex.org/W1975089519","https://openalex.org/W2022062023","https://openalex.org/W2079877940","https://openalex.org/W2117167813","https://openalex.org/W2125877741","https://openalex.org/W2140119486","https://openalex.org/W2282739418","https://openalex.org/W2611234013","https://openalex.org/W2752633602","https://openalex.org/W2911709767"],"related_works":["https://openalex.org/W9778424","https://openalex.org/W1577418607","https://openalex.org/W4361019495","https://openalex.org/W4319994258","https://openalex.org/W4386905527","https://openalex.org/W2272484803","https://openalex.org/W160857080","https://openalex.org/W2003067321","https://openalex.org/W1557654672","https://openalex.org/W2134837669"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
