{"id":"https://openalex.org/W2948008981","doi":"https://doi.org/10.3390/s19112523","title":"Vision-Based Obstacle Avoidance Strategies for MAVs Using Optical Flows in 3-D Textured Environments","display_name":"Vision-Based Obstacle Avoidance Strategies for MAVs Using Optical Flows in 3-D Textured Environments","publication_year":2019,"publication_date":"2019-06-02","ids":{"openalex":"https://openalex.org/W2948008981","doi":"https://doi.org/10.3390/s19112523","mag":"2948008981","pmid":"https://pubmed.ncbi.nlm.nih.gov/31159481"},"language":"en","primary_location":{"id":"doi:10.3390/s19112523","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19112523","pdf_url":"https://www.mdpi.com/1424-8220/19/11/2523/pdf?version=1560243237","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/19/11/2523/pdf?version=1560243237","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5017596707","display_name":"Gangik Cho","orcid":"https://orcid.org/0000-0001-9406-3624"},"institutions":[{"id":"https://openalex.org/I48566637","display_name":"Ulsan National Institute of Science and Technology","ror":"https://ror.org/017cjz748","country_code":"KR","type":"education","lineage":["https://openalex.org/I48566637"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Gangik Cho","raw_affiliation_strings":["School of Mechanical, Aerospace and Nuclear Engineering, Ulsan National Institute of Science and Technology, 50, UNIST-gil, Banyeon-ri, Eonyang-eup, Ulju-gun, Ulsan 44919, Korea"],"raw_orcid":"https://orcid.org/0000-0001-9406-3624","affiliations":[{"raw_affiliation_string":"School of Mechanical, Aerospace and Nuclear Engineering, Ulsan National Institute of Science and Technology, 50, UNIST-gil, Banyeon-ri, Eonyang-eup, Ulju-gun, Ulsan 44919, Korea","institution_ids":["https://openalex.org/I48566637"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059623715","display_name":"Jong\u2010Yun Kim","orcid":"https://orcid.org/0000-0003-1698-2726"},"institutions":[{"id":"https://openalex.org/I48566637","display_name":"Ulsan National Institute of Science and Technology","ror":"https://ror.org/017cjz748","country_code":"KR","type":"education","lineage":["https://openalex.org/I48566637"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jongyun Kim","raw_affiliation_strings":["School of Mechanical, Aerospace and Nuclear Engineering, Ulsan National Institute of Science and Technology, 50, UNIST-gil, Banyeon-ri, Eonyang-eup, Ulju-gun, Ulsan 44919, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mechanical, Aerospace and Nuclear Engineering, Ulsan National Institute of Science and Technology, 50, UNIST-gil, Banyeon-ri, Eonyang-eup, Ulju-gun, Ulsan 44919, Korea","institution_ids":["https://openalex.org/I48566637"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022579538","display_name":"Hyondong Oh","orcid":"https://orcid.org/0000-0002-1051-9477"},"institutions":[{"id":"https://openalex.org/I48566637","display_name":"Ulsan National Institute of Science and Technology","ror":"https://ror.org/017cjz748","country_code":"KR","type":"education","lineage":["https://openalex.org/I48566637"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Hyondong Oh","raw_affiliation_strings":["School of Mechanical, Aerospace and Nuclear Engineering, Ulsan National Institute of Science and Technology, 50, UNIST-gil, Banyeon-ri, Eonyang-eup, Ulju-gun, Ulsan 44919, Korea"],"raw_orcid":"https://orcid.org/0000-0002-1051-9477","affiliations":[{"raw_affiliation_string":"School of Mechanical, Aerospace and Nuclear Engineering, Ulsan National Institute of Science and Technology, 50, UNIST-gil, Banyeon-ri, Eonyang-eup, Ulju-gun, Ulsan 44919, Korea","institution_ids":["https://openalex.org/I48566637"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5022579538"],"corresponding_institution_ids":["https://openalex.org/I48566637"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":2.0415,"has_fulltext":true,"cited_by_count":37,"citation_normalized_percentile":{"value":0.89746054,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"19","issue":"11","first_page":"2523","last_page":"2523"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9998000264167786,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9998000264167786,"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/T10586","display_name":"Robotic Path Planning Algorithms","score":0.9995999932289124,"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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9987000226974487,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/obstacle-avoidance","display_name":"Obstacle avoidance","score":0.851158618927002},{"id":"https://openalex.org/keywords/optical-flow","display_name":"Optical flow","score":0.6491525769233704},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6229795813560486},{"id":"https://openalex.org/keywords/obstacle","display_name":"Obstacle","score":0.622925341129303},{"id":"https://openalex.org/keywords/collision-avoidance","display_name":"Collision avoidance","score":0.5881792306900024},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5878968834877014},{"id":"https://openalex.org/keywords/payload","display_name":"Payload (computing)","score":0.5612446069717407},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5376148819923401},{"id":"https://openalex.org/keywords/monocular","display_name":"Monocular","score":0.5088077187538147},{"id":"https://openalex.org/keywords/climb","display_name":"Climb","score":0.5023818016052246},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.44609689712524414},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.44604623317718506},{"id":"https://openalex.org/keywords/monocular-vision","display_name":"Monocular vision","score":0.4382352828979492},{"id":"https://openalex.org/keywords/divergence","display_name":"Divergence (linguistics)","score":0.4297044277191162},{"id":"https://openalex.org/keywords/robot","display_name":"Robot","score":0.2798377275466919},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.25564661622047424},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.24689722061157227},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.1343114972114563},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.1332416534423828},{"id":"https://openalex.org/keywords/mobile-robot","display_name":"Mobile robot","score":0.12318843603134155},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09139573574066162},{"id":"https://openalex.org/keywords/collision","display_name":"Collision","score":0.08774152398109436}],"concepts":[{"id":"https://openalex.org/C6683253","wikidata":"https://www.wikidata.org/wiki/Q7075535","display_name":"Obstacle avoidance","level":4,"score":0.851158618927002},{"id":"https://openalex.org/C155542232","wikidata":"https://www.wikidata.org/wiki/Q736111","display_name":"Optical flow","level":3,"score":0.6491525769233704},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6229795813560486},{"id":"https://openalex.org/C2776650193","wikidata":"https://www.wikidata.org/wiki/Q264661","display_name":"Obstacle","level":2,"score":0.622925341129303},{"id":"https://openalex.org/C2780864053","wikidata":"https://www.wikidata.org/wiki/Q5147495","display_name":"Collision avoidance","level":3,"score":0.5881792306900024},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5878968834877014},{"id":"https://openalex.org/C134066672","wikidata":"https://www.wikidata.org/wiki/Q1424639","display_name":"Payload (computing)","level":3,"score":0.5612446069717407},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5376148819923401},{"id":"https://openalex.org/C65909025","wikidata":"https://www.wikidata.org/wiki/Q1945033","display_name":"Monocular","level":2,"score":0.5088077187538147},{"id":"https://openalex.org/C2778168010","wikidata":"https://www.wikidata.org/wiki/Q1499786","display_name":"Climb","level":2,"score":0.5023818016052246},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.44609689712524414},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.44604623317718506},{"id":"https://openalex.org/C158829959","wikidata":"https://www.wikidata.org/wiki/Q1640606","display_name":"Monocular vision","level":2,"score":0.4382352828979492},{"id":"https://openalex.org/C207390915","wikidata":"https://www.wikidata.org/wiki/Q1230525","display_name":"Divergence (linguistics)","level":2,"score":0.4297044277191162},{"id":"https://openalex.org/C90509273","wikidata":"https://www.wikidata.org/wiki/Q11012","display_name":"Robot","level":2,"score":0.2798377275466919},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.25564661622047424},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.24689722061157227},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1343114972114563},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.1332416534423828},{"id":"https://openalex.org/C19966478","wikidata":"https://www.wikidata.org/wiki/Q4810574","display_name":"Mobile robot","level":3,"score":0.12318843603134155},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09139573574066162},{"id":"https://openalex.org/C121704057","wikidata":"https://www.wikidata.org/wiki/Q352070","display_name":"Collision","level":2,"score":0.08774152398109436},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.3390/s19112523","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19112523","pdf_url":"https://www.mdpi.com/1424-8220/19/11/2523/pdf?version=1560243237","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:31159481","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/31159481","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:83b9e0846c0e444fae0585542780b07b","is_oa":true,"landing_page_url":"https://doaj.org/article/83b9e0846c0e444fae0585542780b07b","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 19, Iss 11, p 2523 (2019)","raw_type":"article"},{"id":"pmh:oai:europepmc.org:5597237","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6604071","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"},{"id":"pmh:oai:mdpi.com:/1424-8220/19/11/2523/","is_oa":true,"landing_page_url":"http://dx.doi.org/10.3390/s19112523","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors","raw_type":"Text"},{"id":"pmh:oai:scholarworks.unist.ac.kr:201301/26829","is_oa":true,"landing_page_url":"https://www.mdpi.com/1424-8220/19/11/2523","pdf_url":null,"source":{"id":"https://openalex.org/S4306401118","display_name":"Scholarworks@UNIST (Ulsan National Institute of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I48566637","host_organization_name":"Ulsan National Institute of Science and Technology","host_organization_lineage":["https://openalex.org/I48566637"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"ARTICLE"}],"best_oa_location":{"id":"doi:10.3390/s19112523","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19112523","pdf_url":"https://www.mdpi.com/1424-8220/19/11/2523/pdf?version=1560243237","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4492086038","display_name":null,"funder_award_id":"10062327","funder_id":"https://openalex.org/F4320321681","funder_display_name":"Ministry of Trade, Industry and Energy"},{"id":"https://openalex.org/G4655389640","display_name":null,"funder_award_id":"1.190011.01","funder_id":"https://openalex.org/F4320321348","funder_display_name":"Ulsan National Institute of Science and Technology"},{"id":"https://openalex.org/G6527455460","display_name":null,"funder_award_id":"18-CM-AS-22","funder_id":"https://openalex.org/F4320321348","funder_display_name":"Ulsan National Institute of Science and Technology"},{"id":"https://openalex.org/G7055797101","display_name":null,"funder_award_id":"2017R1D1A1B03029992","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"},{"id":"https://openalex.org/G8271688408","display_name":null,"funder_award_id":"1.190011","funder_id":"https://openalex.org/F4320321348","funder_display_name":"Ulsan National Institute of Science and Technology"}],"funders":[{"id":"https://openalex.org/F4320320671","display_name":"National Research Foundation","ror":"https://ror.org/05s0g1g46"},{"id":"https://openalex.org/F4320321348","display_name":"Ulsan National Institute of Science and Technology","ror":"https://ror.org/017cjz748"},{"id":"https://openalex.org/F4320321681","display_name":"Ministry of Trade, Industry and Energy","ror":"https://ror.org/008nkqk13"},{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2948008981.pdf","grobid_xml":"https://content.openalex.org/works/W2948008981.grobid-xml"},"referenced_works_count":22,"referenced_works":["https://openalex.org/W764651262","https://openalex.org/W1578285471","https://openalex.org/W1951289974","https://openalex.org/W1972682362","https://openalex.org/W2060791715","https://openalex.org/W2089619860","https://openalex.org/W2113221323","https://openalex.org/W2118877769","https://openalex.org/W2131071980","https://openalex.org/W2138480133","https://openalex.org/W2145160013","https://openalex.org/W2465948386","https://openalex.org/W2480545666","https://openalex.org/W2546232278","https://openalex.org/W2576159941","https://openalex.org/W2613718541","https://openalex.org/W2735036914","https://openalex.org/W2904573246","https://openalex.org/W2963782415","https://openalex.org/W2968488368","https://openalex.org/W6681961014","https://openalex.org/W6729733221"],"related_works":["https://openalex.org/W3213997683","https://openalex.org/W2995270189","https://openalex.org/W3005839910","https://openalex.org/W2084124712","https://openalex.org/W2435467664","https://openalex.org/W2091635186","https://openalex.org/W4381188157","https://openalex.org/W4251947321","https://openalex.org/W2011626633","https://openalex.org/W2037866696"],"abstract_inverted_index":{"Due":[0],"to":[1,31,63,182],"payload":[2],"restrictions":[3],"for":[4,99,150],"micro":[5],"aerial":[6],"vehicles":[7],"(MAVs),":[8],"vision-based":[9,95],"approaches":[10,50,60],"have":[11],"been":[12],"widely":[13],"studied":[14],"with":[15,65],"their":[16],"light":[17],"weight":[18],"characteristics":[19],"and":[20,45,122,130,147,180,202],"cost":[21],"effectiveness.":[22],"In":[23,57],"particular,":[24],"optical":[25,103,141,173],"flow-based":[26],"obstacle":[27,42,96,151],"avoidance":[28,43,97,152],"has":[29],"proven":[30],"be":[32],"one":[33],"of":[34,41,140,162,171,178,193],"the":[35,102,138,157,169,172,176,183,194],"most":[36,59],"efficient":[37],"methods":[38],"in":[39,105,153,206],"terms":[40],"capabilities":[44],"computational":[46],"load;":[47],"however,":[48],"existing":[49],"do":[51],"not":[52],"consider":[53,76],"3-D":[54,106,154],"complex":[55],"environments.":[56,108,155],"addition,":[58],"are":[61,69,133],"unable":[62],"deal":[64],"situations":[66],"where":[67],"there":[68],"wall-like":[70,77,164],"frontal":[71,78,165],"obstacles.":[72],"Although":[73],"some":[74],"algorithms":[75],"obstacles,":[79],"they":[80],"cause":[81],"a":[82,94,113,187],"jitter":[83],"or":[84],"unnecessary":[85],"motion.":[86],"To":[87],"address":[88],"these":[89],"limitations,":[90],"this":[91],"paper":[92],"proposes":[93],"algorithm":[98,196],"MAVs":[100],"using":[101,186],"flow":[104,174],"textured":[107],"The":[109,126,191],"image":[110],"obtained":[111],"from":[112],"monocular":[114],"camera":[115],"is":[116,160],"first":[117],"split":[118],"into":[119],"two":[120],"horizontal":[121],"vertical":[123],"half":[124,144],"planes.":[125],"desired":[127],"heading":[128],"direction":[129],"climb":[131],"rate":[132],"then":[134],"determined":[135],"by":[136,167],"comparing":[137],"sum":[139],"flows":[142],"between":[143],"planes":[145],"horizontally":[146],"vertically,":[148],"respectively,":[149],"Besides,":[156],"proposed":[158,195],"approach":[159],"capable":[161],"avoiding":[163],"obstacles":[166],"considering":[168],"divergence":[170],"at":[175],"focus":[177],"expansion":[179],"navigating":[181],"goal":[184],"position":[185],"sigmoid":[188],"weighting":[189],"function.":[190],"performance":[192],"was":[197],"validated":[198],"through":[199],"numerical":[200],"simulations":[201],"indoor":[203],"flight":[204],"experiments":[205],"various":[207],"situations.":[208]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":1}],"updated_date":"2026-05-29T09:21:14.243279","created_date":"2025-10-10T00:00:00"}
