{"id":"https://openalex.org/W2036503958","doi":"https://doi.org/10.1109/icca.2010.5524328","title":"Surveillance for a simply connected region: A one-center disk-covering problem","display_name":"Surveillance for a simply connected region: A one-center disk-covering problem","publication_year":2010,"publication_date":"2010-06-01","ids":{"openalex":"https://openalex.org/W2036503958","doi":"https://doi.org/10.1109/icca.2010.5524328","mag":"2036503958"},"language":"en","primary_location":{"id":"doi:10.1109/icca.2010.5524328","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icca.2010.5524328","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE ICCA 2010","raw_type":"proceedings-article"},"type":"conference-paper","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/A5032642266","display_name":"Deqing Huang","orcid":"https://orcid.org/0000-0002-8185-9030"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Deqing Huang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National University of Singapore, Singapore","Department of Electrical and Computer Engineering National University of Singapore, Singapore 117576. K.-Y"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering National University of Singapore, Singapore 117576. K.-Y","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100768355","display_name":"Jian\u2010Xin Xu","orcid":"https://orcid.org/0000-0002-9485-5880"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Jian-Xin Xu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National University of Singapore, Singapore","Department of Electrical and Computer Engineering National University of Singapore, Singapore 117576. K.-Y"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering National University of Singapore, Singapore 117576. K.-Y","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046285700","display_name":"Kai\u2010Yew Lum","orcid":"https://orcid.org/0000-0002-5594-0142"},"institutions":[{"id":"https://openalex.org/I162266279","display_name":"Temasek Life Sciences Laboratory","ror":"https://ror.org/0574eex11","country_code":"SG","type":"facility","lineage":["https://openalex.org/I162266279"]},{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Kai-Yew Lum","raw_affiliation_strings":["Temasek Laboratories and Department of Electrical and Computer Engineering, National University of Singapore, Singapore","Temasek Laboratories and Department of Electrical and Computer Engineering National University of Singapore, Singapore 117411"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Temasek Laboratories and Department of Electrical and Computer Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I162266279","https://openalex.org/I165932596"]},{"raw_affiliation_string":"Temasek Laboratories and Department of Electrical and Computer Engineering National University of Singapore, Singapore 117411","institution_ids":["https://openalex.org/I165932596"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"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":0.13736776,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"18","issue":null,"first_page":"860","last_page":"865"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10249","display_name":"Distributed Control Multi-Agent Systems","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10249","display_name":"Distributed Control Multi-Agent Systems","score":0.9998000264167786,"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/T12158","display_name":"Guidance and Control Systems","score":0.9869999885559082,"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/T12288","display_name":"Optimization and Search Problems","score":0.9351000189781189,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/center","display_name":"Center (category theory)","score":0.6635454893112183},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5841414332389832},{"id":"https://openalex.org/keywords/heading","display_name":"Heading (navigation)","score":0.5446779131889343},{"id":"https://openalex.org/keywords/arc","display_name":"Arc (geometry)","score":0.5404778718948364},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.5387026071548462},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.49353253841400146},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4028194546699524},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.3772529661655426},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.3726730942726135},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.32911962270736694},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.3255695700645447},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.26919353008270264},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.265406996011734},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.25922417640686035}],"concepts":[{"id":"https://openalex.org/C2779463800","wikidata":"https://www.wikidata.org/wiki/Q5062222","display_name":"Center (category theory)","level":2,"score":0.6635454893112183},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5841414332389832},{"id":"https://openalex.org/C2776937971","wikidata":"https://www.wikidata.org/wiki/Q4384217","display_name":"Heading (navigation)","level":2,"score":0.5446779131889343},{"id":"https://openalex.org/C83415579","wikidata":"https://www.wikidata.org/wiki/Q161973","display_name":"Arc (geometry)","level":2,"score":0.5404778718948364},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.5387026071548462},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.49353253841400146},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4028194546699524},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.3772529661655426},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3726730942726135},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.32911962270736694},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3255695700645447},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.26919353008270264},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.265406996011734},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.25922417640686035},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icca.2010.5524328","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icca.2010.5524328","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE ICCA 2010","raw_type":"proceedings-article"},{"id":"pmh:oai:scholarbank.nus.edu.sg:10635/84263","is_oa":false,"landing_page_url":"http://scholarbank.nus.edu.sg/handle/10635/84263","pdf_url":null,"source":{"id":"https://openalex.org/S7407052290","display_name":"National University of Singapore","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scopus","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W240029891","https://openalex.org/W1551360398","https://openalex.org/W2007403280","https://openalex.org/W2067265108","https://openalex.org/W2105850748","https://openalex.org/W2148993855","https://openalex.org/W2154414031","https://openalex.org/W2159826786","https://openalex.org/W2160222800","https://openalex.org/W2167485994","https://openalex.org/W2171977020","https://openalex.org/W2333442752","https://openalex.org/W4293078920"],"related_works":["https://openalex.org/W4244052565","https://openalex.org/W2358719579","https://openalex.org/W4252778923","https://openalex.org/W2385042721","https://openalex.org/W2367929022","https://openalex.org/W2351754530","https://openalex.org/W2378649906","https://openalex.org/W2391014597","https://openalex.org/W2350113401","https://openalex.org/W2348727246"],"abstract_inverted_index":{"In":[0,126,214],"this":[1,215],"paper":[2,216],"we":[3,89,217],"address":[4],"a":[5,11,18,28,48,131,161],"surveillance":[6,21,53,73,83,101,124,231],"task":[7],"carried":[8],"out":[9],"by":[10,160,182,236],"single":[12],"agent":[13],"that":[14,60,164,219],"is":[15,43,110,134,142,158,201,233],"modeled":[16],"as":[17,27],"disk.":[19,238],"The":[20,103,152,194],"problem":[22,31],"can":[23],"be":[24],"formulated":[25],"mathematically":[26],"one-center":[29],"disk-covering":[30],"with":[32],"the":[33,38,41,62,67,71,76,79,82,86,92,97,100,107,115,120,123,137,140,146,149,156,167,170,175,179,183,197,202,211,220,223,230,237],"velocity":[34],"control":[35],"in":[36,54,85,112],"which":[37],"center":[39,109,171,176,225],"of":[40,70,81,99,106,114,139,148,155,169,178,188,196,204,206,222],"disk":[42,108,121,157,224],"adjusted":[44],"continuously":[45],"to":[46,145],"cover":[47],"simply":[49],"connected":[50],"region":[51,74,232],"for":[52],"R2.":[55],"Different":[56],"from":[57,166],"existing":[58],"methods":[59],"require":[61],"global":[63],"environmental":[64,94],"information":[65,95],"on":[66,78,210],"geometric":[68],"shape":[69],"uncovered":[72],"and":[75,96,122,136,172,185],"condition":[77],"convexity":[80],"region,":[84],"proposed":[87],"method":[88],"need":[90],"only":[91,228],"local":[93],"connectivity":[98],"region.":[102,125],"kinematic":[104],"movement":[105,153,212,221],"determined":[111,159],"terms":[113],"intersected":[116,128,191],"arc":[117,129,150,180,192],"segments":[118],"between":[119],"each":[127,207],"segment,":[130],"virtual":[132,199,208],"force":[133,141,200,209],"calculated":[135],"magnitude":[138,195],"made":[143],"proportional":[144],"length":[147],"segment.":[151],"direction":[154],"normal":[162],"vector":[163],"originates":[165],"origin":[168],"heading":[173],"towards":[174],"point":[177],"formed":[181],"leftmost":[184],"rightmost":[186],"points":[187],"amongst":[189],"all":[190],"segments.":[193],"overall":[198],"sum":[203],"projection":[205],"direction.":[213],"prove":[218],"will":[226],"stop":[227],"when":[229],"fully":[234],"covered":[235]},"counts_by_year":[],"updated_date":"2026-08-26T07:47:46.906454","created_date":"2025-10-10T00:00:00"}