{"id":"https://openalex.org/W2008147283","doi":"https://doi.org/10.1007/s00371-014-0936-3","title":"Optimizing line-of-sight using simplified regular terrains","display_name":"Optimizing line-of-sight using simplified regular terrains","publication_year":2014,"publication_date":"2014-04-11","ids":{"openalex":"https://openalex.org/W2008147283","doi":"https://doi.org/10.1007/s00371-014-0936-3","mag":"2008147283"},"language":"en","primary_location":{"id":"doi:10.1007/s00371-014-0936-3","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00371-014-0936-3","pdf_url":null,"source":{"id":"https://openalex.org/S73060445","display_name":"The Visual Computer","issn_l":"0178-2789","issn":["0178-2789","1432-2315"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Visual Computer","raw_type":"journal-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/A5074704357","display_name":"Troy Alderson","orcid":"https://orcid.org/0000-0001-5528-8652"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Troy Alderson","raw_affiliation_strings":["University of Calgary, Calgary, Canada","University of Calgary, Calgary, Canad\u00e1"],"affiliations":[{"raw_affiliation_string":"University of Calgary, Calgary, Canada","institution_ids":["https://openalex.org/I168635309"]},{"raw_affiliation_string":"University of Calgary, Calgary, Canad\u00e1","institution_ids":["https://openalex.org/I168635309"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074643777","display_name":"Faramarz Samavati","orcid":"https://orcid.org/0000-0001-9440-7562"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Faramarz Samavati","raw_affiliation_strings":["University of Calgary, Calgary, Canada","University of Calgary, Calgary, Canad\u00e1"],"affiliations":[{"raw_affiliation_string":"University of Calgary, Calgary, Canada","institution_ids":["https://openalex.org/I168635309"]},{"raw_affiliation_string":"University of Calgary, Calgary, Canad\u00e1","institution_ids":["https://openalex.org/I168635309"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5074704357"],"corresponding_institution_ids":["https://openalex.org/I168635309"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":3.1317,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.90745033,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"31","issue":"4","first_page":"407","last_page":"421"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9997000098228455,"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/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9997000098228455,"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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10586","display_name":"Robotic Path Planning Algorithms","score":0.9983999729156494,"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/terrain","display_name":"Terrain","score":0.8988365530967712},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8118247985839844},{"id":"https://openalex.org/keywords/subdivision","display_name":"Subdivision","score":0.5936490893363953},{"id":"https://openalex.org/keywords/raised-relief-map","display_name":"Raised-relief map","score":0.5710561275482178},{"id":"https://openalex.org/keywords/residual","display_name":"Residual","score":0.5443640351295471},{"id":"https://openalex.org/keywords/line-of-sight","display_name":"Line-of-sight","score":0.5402185320854187},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.5258669853210449},{"id":"https://openalex.org/keywords/terrain-rendering","display_name":"Terrain rendering","score":0.5149319767951965},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5066571831703186},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.48444488644599915},{"id":"https://openalex.org/keywords/a-priori-and-a-posteriori","display_name":"A priori and a posteriori","score":0.4827634394168854},{"id":"https://openalex.org/keywords/triangulation","display_name":"Triangulation","score":0.4185704290866852},{"id":"https://openalex.org/keywords/sight","display_name":"Sight","score":0.4149141311645508},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.41127341985702515},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.35513800382614136},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.31195884943008423},{"id":"https://openalex.org/keywords/rendering","display_name":"Rendering (computer graphics)","score":0.21682807803153992},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10420024394989014}],"concepts":[{"id":"https://openalex.org/C161840515","wikidata":"https://www.wikidata.org/wiki/Q186131","display_name":"Terrain","level":2,"score":0.8988365530967712},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8118247985839844},{"id":"https://openalex.org/C143392562","wikidata":"https://www.wikidata.org/wiki/Q449111","display_name":"Subdivision","level":2,"score":0.5936490893363953},{"id":"https://openalex.org/C99695388","wikidata":"https://www.wikidata.org/wiki/Q350514","display_name":"Raised-relief map","level":3,"score":0.5710561275482178},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.5443640351295471},{"id":"https://openalex.org/C2780928442","wikidata":"https://www.wikidata.org/wiki/Q6553027","display_name":"Line-of-sight","level":2,"score":0.5402185320854187},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.5258669853210449},{"id":"https://openalex.org/C118350294","wikidata":"https://www.wikidata.org/wiki/Q17341992","display_name":"Terrain rendering","level":3,"score":0.5149319767951965},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5066571831703186},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.48444488644599915},{"id":"https://openalex.org/C75553542","wikidata":"https://www.wikidata.org/wiki/Q178161","display_name":"A priori and a posteriori","level":2,"score":0.4827634394168854},{"id":"https://openalex.org/C135981907","wikidata":"https://www.wikidata.org/wiki/Q188056","display_name":"Triangulation","level":2,"score":0.4185704290866852},{"id":"https://openalex.org/C1517167","wikidata":"https://www.wikidata.org/wiki/Q1134322","display_name":"Sight","level":2,"score":0.4149141311645508},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.41127341985702515},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.35513800382614136},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.31195884943008423},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.21682807803153992},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10420024394989014},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C95457728","wikidata":"https://www.wikidata.org/wiki/Q309","display_name":"History","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00371-014-0936-3","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00371-014-0936-3","pdf_url":null,"source":{"id":"https://openalex.org/S73060445","display_name":"The Visual Computer","issn_l":"0178-2789","issn":["0178-2789","1432-2315"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Visual Computer","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322675","display_name":"Mitacs","ror":"https://ror.org/00cjrc276"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W67406889","https://openalex.org/W1572014314","https://openalex.org/W1598399217","https://openalex.org/W1969136789","https://openalex.org/W1972923021","https://openalex.org/W1974597849","https://openalex.org/W1981934656","https://openalex.org/W1985812168","https://openalex.org/W2025774247","https://openalex.org/W2066306368","https://openalex.org/W2067862350","https://openalex.org/W2075492994","https://openalex.org/W2077991339","https://openalex.org/W2101831806","https://openalex.org/W2102898515","https://openalex.org/W2118269922","https://openalex.org/W2118959368","https://openalex.org/W2127492694","https://openalex.org/W2134207225","https://openalex.org/W2138707442","https://openalex.org/W2155195832","https://openalex.org/W2171330332","https://openalex.org/W2203886854","https://openalex.org/W2235901111","https://openalex.org/W2399429476","https://openalex.org/W2399481610","https://openalex.org/W2710002000","https://openalex.org/W4238211142","https://openalex.org/W4242599275","https://openalex.org/W4250285865"],"related_works":["https://openalex.org/W2378911484","https://openalex.org/W2117303973","https://openalex.org/W2361615113","https://openalex.org/W2355556292","https://openalex.org/W1995402120","https://openalex.org/W2355824140","https://openalex.org/W2383134058","https://openalex.org/W2355885991","https://openalex.org/W2039296561","https://openalex.org/W2350918505"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}