{"id":"https://openalex.org/W3205785033","doi":"https://doi.org/10.1109/igarss47720.2021.9554772","title":"Retrieving Canopy Clumping Index from Terrestrial Laser Scanning Data","display_name":"Retrieving Canopy Clumping Index from Terrestrial Laser Scanning Data","publication_year":2021,"publication_date":"2021-07-11","ids":{"openalex":"https://openalex.org/W3205785033","doi":"https://doi.org/10.1109/igarss47720.2021.9554772","mag":"3205785033"},"language":"en","primary_location":{"id":"doi:10.1109/igarss47720.2021.9554772","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9554772","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS","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/A5078567369","display_name":"Yifan Xu","orcid":"https://orcid.org/0000-0002-3425-6843"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yifan Xu","raw_affiliation_strings":["School of Resources and Environment, University of Electronic Science and Technology of China,Chengdu,China,611731"],"affiliations":[{"raw_affiliation_string":"School of Resources and Environment, University of Electronic Science and Technology of China,Chengdu,China,611731","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100444248","display_name":"Sen Li","orcid":"https://orcid.org/0000-0002-7630-7741"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]},{"id":"https://openalex.org/I2800350601","display_name":"Central Committee of the Communist Party of China","ror":"https://ror.org/00akhyy70","country_code":"CN","type":"government","lineage":["https://openalex.org/I2800350601"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sen Li","raw_affiliation_strings":["Hulunbuir Discipline Inspection Committee of the Communist Party of China","School of Resources and Environment, University of Electronic Science and Technology of China,Chengdu,China,611731"],"affiliations":[{"raw_affiliation_string":"Hulunbuir Discipline Inspection Committee of the Communist Party of China","institution_ids":["https://openalex.org/I2800350601"]},{"raw_affiliation_string":"School of Resources and Environment, University of Electronic Science and Technology of China,Chengdu,China,611731","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049217145","display_name":"Shihua Li","orcid":"https://orcid.org/0000-0003-4807-5012"},"institutions":[{"id":"https://openalex.org/I2800350601","display_name":"Central Committee of the Communist Party of China","ror":"https://ror.org/00akhyy70","country_code":"CN","type":"government","lineage":["https://openalex.org/I2800350601"]},{"id":"https://openalex.org/I3018263800","display_name":"Huzhou University","ror":"https://ror.org/04mvpxy20","country_code":"CN","type":"education","lineage":["https://openalex.org/I3018263800"]},{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shihua Li","raw_affiliation_strings":["Hulunbuir Discipline Inspection Committee of the Communist Party of China","School of Resources and Environment, University of Electronic Science and Technology of China,Chengdu,China,611731","The Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, P. R. China"],"affiliations":[{"raw_affiliation_string":"Hulunbuir Discipline Inspection Committee of the Communist Party of China","institution_ids":["https://openalex.org/I2800350601"]},{"raw_affiliation_string":"School of Resources and Environment, University of Electronic Science and Technology of China,Chengdu,China,611731","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"The Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, P. R. China","institution_ids":["https://openalex.org/I3018263800","https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5078567369"],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":0.1789,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.47192803,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10266","display_name":"Plant Water Relations and Carbon Dynamics","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/point-cloud","display_name":"Point cloud","score":0.7598860263824463},{"id":"https://openalex.org/keywords/slicing","display_name":"Slicing","score":0.6909272074699402},{"id":"https://openalex.org/keywords/canopy","display_name":"Canopy","score":0.6819067597389221},{"id":"https://openalex.org/keywords/laser-scanning","display_name":"Laser scanning","score":0.639219343662262},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6374377608299255},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.5741063356399536},{"id":"https://openalex.org/keywords/consistency","display_name":"Consistency (knowledge bases)","score":0.5401235222816467},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.5015296936035156},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.464669793844223},{"id":"https://openalex.org/keywords/tree-canopy","display_name":"Tree canopy","score":0.45184847712516785},{"id":"https://openalex.org/keywords/leaf-area-index","display_name":"Leaf area index","score":0.44598710536956787},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41112610697746277},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.3599000573158264},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.33747345209121704},{"id":"https://openalex.org/keywords/laser","display_name":"Laser","score":0.330985426902771},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.27732715010643005},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2392653226852417},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.21114236116409302},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1871137022972107},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.15768668055534363},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1535288393497467},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1229846179485321},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.10034260153770447}],"concepts":[{"id":"https://openalex.org/C131979681","wikidata":"https://www.wikidata.org/wiki/Q1899648","display_name":"Point cloud","level":2,"score":0.7598860263824463},{"id":"https://openalex.org/C2776190703","wikidata":"https://www.wikidata.org/wiki/Q488148","display_name":"Slicing","level":2,"score":0.6909272074699402},{"id":"https://openalex.org/C101000010","wikidata":"https://www.wikidata.org/wiki/Q5033434","display_name":"Canopy","level":2,"score":0.6819067597389221},{"id":"https://openalex.org/C141349535","wikidata":"https://www.wikidata.org/wiki/Q1361664","display_name":"Laser scanning","level":3,"score":0.639219343662262},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6374377608299255},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.5741063356399536},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.5401235222816467},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.5015296936035156},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.464669793844223},{"id":"https://openalex.org/C39807119","wikidata":"https://www.wikidata.org/wiki/Q1134228","display_name":"Tree canopy","level":3,"score":0.45184847712516785},{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.44598710536956787},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41112610697746277},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3599000573158264},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.33747345209121704},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.330985426902771},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.27732715010643005},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2392653226852417},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.21114236116409302},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1871137022972107},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.15768668055534363},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1535288393497467},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1229846179485321},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.10034260153770447},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","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/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss47720.2021.9554772","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9554772","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","score":0.4300000071525574,"display_name":"Life below water"}],"awards":[{"id":"https://openalex.org/G4292923422","display_name":null,"funder_award_id":"41871247,2020YFG0033","funder_id":"https://openalex.org/F4320336596","funder_display_name":"Key Research and Development Program of Sichuan Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320336596","display_name":"Key Research and Development Program of Sichuan Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1969647288","https://openalex.org/W1974902368","https://openalex.org/W1988775509","https://openalex.org/W1995103915","https://openalex.org/W1997851065","https://openalex.org/W2083031250","https://openalex.org/W2548141176","https://openalex.org/W2771841586","https://openalex.org/W6643932598","https://openalex.org/W6647594293","https://openalex.org/W6649059241"],"related_works":["https://openalex.org/W2088131065","https://openalex.org/W2005998065","https://openalex.org/W2001220299","https://openalex.org/W4323518558","https://openalex.org/W3196715007","https://openalex.org/W2366440988","https://openalex.org/W4399030596","https://openalex.org/W2358582870","https://openalex.org/W4293059742","https://openalex.org/W2082802685"],"abstract_inverted_index":{"The":[0,59,74],"information":[1],"about":[2],"tree":[3],"canopy":[4],"structure":[5],"is":[6,89],"crucial":[7],"for":[8],"better":[9],"understanding":[10],"the":[11,20,66,78,82,86],"process":[12],"of":[13,23],"radiation":[14],"propagation.":[15],"Clumping":[16],"index":[17],"(CI)":[18],"describes":[19],"nonrandom":[21],"distribution":[22],"foliage":[24],"in":[25,34,62],"canopy.":[26],"Terrestrial":[27],"laser":[28],"scanning":[29],"(TLS)":[30],"has":[31],"great":[32],"advantages":[33],"obtaining":[35],"high":[36],"spatial":[37],"resolution":[38],"point":[39,45],"cloud.":[40],"In":[41],"this":[42],"paper,":[43],"a":[44],"cloud":[46],"projection":[47],"and":[48],"slicing":[49],"algorithm":[50],"was":[51],"developed":[52],"to":[53],"retrieve":[54],"CI":[55,67],"from":[56,69],"TLS":[57],"data.":[58],"results":[60],"were":[61],"good":[63],"consistency":[64],"with":[65,81],"derived":[68],"digital":[70],"hemispherical":[71],"photography":[72],"(DHP).":[73],"TLS-based":[75],"CIs":[76,84],"had":[77],"highest":[79],"correlation":[80],"DHP-based":[83],"when":[85],"slice":[87],"size":[88],"0.1\u00b0":[90],"\u00d7":[91],"0.2\u00b0.":[92]},"counts_by_year":[{"year":2024,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}