{"id":"https://openalex.org/W3206093464","doi":"https://doi.org/10.1109/igarss47720.2021.9555065","title":"Improved Gauss Inflection Point Matching Method for Lidar Echo Signal Decomposition","display_name":"Improved Gauss Inflection Point Matching Method for Lidar Echo Signal Decomposition","publication_year":2021,"publication_date":"2021-07-11","ids":{"openalex":"https://openalex.org/W3206093464","doi":"https://doi.org/10.1109/igarss47720.2021.9555065","mag":"3206093464"},"language":"en","primary_location":{"id":"doi:10.1109/igarss47720.2021.9555065","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9555065","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":"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/A5089135070","display_name":"Ronghua Deng","orcid":"https://orcid.org/0000-0002-5321-8252"},"institutions":[{"id":"https://openalex.org/I38706770","display_name":"Guilin University of Technology","ror":"https://ror.org/03z391397","country_code":"CN","type":"education","lineage":["https://openalex.org/I38706770"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ronghua Deng","raw_affiliation_strings":["College of Geomatics and Geoinformation, University of Technology,Guilin,Guangxi,PRC,541004","Guangxi Key Laboratory for Spatial Information and Geomatics, Guilin University of Technology, Guilin, Guangxi, PRC"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Geomatics and Geoinformation, University of Technology,Guilin,Guangxi,PRC,541004","institution_ids":[]},{"raw_affiliation_string":"Guangxi Key Laboratory for Spatial Information and Geomatics, Guilin University of Technology, Guilin, Guangxi, PRC","institution_ids":["https://openalex.org/I38706770"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075826136","display_name":"Guoqing Zhou","orcid":"https://orcid.org/0000-0001-8295-0496"},"institutions":[{"id":"https://openalex.org/I38706770","display_name":"Guilin University of Technology","ror":"https://ror.org/03z391397","country_code":"CN","type":"education","lineage":["https://openalex.org/I38706770"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guoqing Zhou","raw_affiliation_strings":["College of Geomatics and Geoinformation, University of Technology,Guilin,Guangxi,PRC,541004","Guangxi Key Laboratory for Spatial Information and Geomatics, Guilin University of Technology, Guilin, Guangxi, PRC"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Geomatics and Geoinformation, University of Technology,Guilin,Guangxi,PRC,541004","institution_ids":[]},{"raw_affiliation_string":"Guangxi Key Laboratory for Spatial Information and Geomatics, Guilin University of Technology, Guilin, Guangxi, PRC","institution_ids":["https://openalex.org/I38706770"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005217202","display_name":"Shuhua Long","orcid":"https://orcid.org/0000-0001-7341-9396"},"institutions":[{"id":"https://openalex.org/I38706770","display_name":"Guilin University of Technology","ror":"https://ror.org/03z391397","country_code":"CN","type":"education","lineage":["https://openalex.org/I38706770"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuhua Long","raw_affiliation_strings":["College of Geomatics and Geoinformation, University of Technology,Guilin,Guangxi,PRC,541004","Guangxi Key Laboratory for Spatial Information and Geomatics, Guilin University of Technology, Guilin, Guangxi, PRC"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Geomatics and Geoinformation, University of Technology,Guilin,Guangxi,PRC,541004","institution_ids":[]},{"raw_affiliation_string":"Guangxi Key Laboratory for Spatial Information and Geomatics, Guilin University of Technology, Guilin, Guangxi, PRC","institution_ids":["https://openalex.org/I38706770"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089932177","display_name":"Xianxing Li","orcid":null},"institutions":[{"id":"https://openalex.org/I38706770","display_name":"Guilin University of Technology","ror":"https://ror.org/03z391397","country_code":"CN","type":"education","lineage":["https://openalex.org/I38706770"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xianxing Li","raw_affiliation_strings":["Guilin University of Technology,Guangxi Key Laboratory for Spatial Information and Geomatics,Guilin,Guangxi,PRC,541004"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guilin University of Technology,Guangxi Key Laboratory for Spatial Information and Geomatics,Guilin,Guangxi,PRC,541004","institution_ids":["https://openalex.org/I38706770"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008720051","display_name":"Weihao Li","orcid":null},"institutions":[{"id":"https://openalex.org/I38706770","display_name":"Guilin University of Technology","ror":"https://ror.org/03z391397","country_code":"CN","type":"education","lineage":["https://openalex.org/I38706770"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weihao Li","raw_affiliation_strings":["Guilin University of Technology,Guangxi Key Laboratory for Spatial Information and Geomatics,Guilin,Guangxi,PRC,541004"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guilin University of Technology,Guangxi Key Laboratory for Spatial Information and Geomatics,Guilin,Guangxi,PRC,541004","institution_ids":["https://openalex.org/I38706770"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032913657","display_name":"Gangchao Lin","orcid":null},"institutions":[{"id":"https://openalex.org/I38706770","display_name":"Guilin University of Technology","ror":"https://ror.org/03z391397","country_code":"CN","type":"education","lineage":["https://openalex.org/I38706770"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gangchao Lin","raw_affiliation_strings":["Guilin University of Technology,Guangxi Key Laboratory for Spatial Information and Geomatics,Guilin,Guangxi,PRC,541004"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guilin University of Technology,Guangxi Key Laboratory for Spatial Information and Geomatics,Guilin,Guangxi,PRC,541004","institution_ids":["https://openalex.org/I38706770"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I38706770"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"8053","last_page":"8056"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12153","display_name":"Advanced Optical Sensing Technologies","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12153","display_name":"Advanced Optical Sensing Technologies","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13176","display_name":"Winter Sports Injuries and Performance","score":0.9563000202178955,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9556999802589417,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/inflection-point","display_name":"Inflection point","score":0.8872978687286377},{"id":"https://openalex.org/keywords/echo","display_name":"Echo (communications protocol)","score":0.6647894382476807},{"id":"https://openalex.org/keywords/waveform","display_name":"Waveform","score":0.6374492049217224},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5796850919723511},{"id":"https://openalex.org/keywords/lidar","display_name":"Lidar","score":0.5735580325126648},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5377976894378662},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5201961994171143},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.5039607882499695},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.46219733357429504},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.44036656618118286},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3774447739124298},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.23973348736763},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.12852531671524048},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.09911078214645386},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.06856328248977661},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.06843045353889465},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.06446400284767151}],"concepts":[{"id":"https://openalex.org/C74545648","wikidata":"https://www.wikidata.org/wiki/Q212794","display_name":"Inflection point","level":2,"score":0.8872978687286377},{"id":"https://openalex.org/C2779426996","wikidata":"https://www.wikidata.org/wiki/Q18389128","display_name":"Echo (communications protocol)","level":2,"score":0.6647894382476807},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.6374492049217224},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5796850919723511},{"id":"https://openalex.org/C51399673","wikidata":"https://www.wikidata.org/wiki/Q504027","display_name":"Lidar","level":2,"score":0.5735580325126648},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5377976894378662},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5201961994171143},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.5039607882499695},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.46219733357429504},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.44036656618118286},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3774447739124298},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.23973348736763},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.12852531671524048},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.09911078214645386},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.06856328248977661},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.06843045353889465},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.06446400284767151},{"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/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss47720.2021.9555065","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9555065","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","display_name":"Life below water","score":0.8500000238418579}],"awards":[{"id":"https://openalex.org/G3604551216","display_name":null,"funder_award_id":"GuikeAA18118038,GuikeAA18242048","funder_id":"https://openalex.org/F4320336643","funder_display_name":"Guangxi Innovation-Driven Development Project"},{"id":"https://openalex.org/G4853436494","display_name":null,"funder_award_id":"Guike AD19254002","funder_id":"https://openalex.org/F4320327278","funder_display_name":"Science and Technology Department of Guangxi Zhuang Autonomous"},{"id":"https://openalex.org/G5621401100","display_name":null,"funder_award_id":"2016YFB0502501","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G566784435","display_name":null,"funder_award_id":"41961065,41431179","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7019205735","display_name":null,"funder_award_id":"2019GXNSFGA245001","funder_id":"https://openalex.org/F4320322768","funder_display_name":"Natural Science Foundation of Guangxi Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322768","display_name":"Natural Science Foundation of Guangxi Province","ror":null},{"id":"https://openalex.org/F4320327278","display_name":"Science and Technology Department of Guangxi Zhuang Autonomous","ror":null},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320336643","display_name":"Guangxi Innovation-Driven Development Project","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W2169951244","https://openalex.org/W2274394933","https://openalex.org/W2320291207","https://openalex.org/W2995042903","https://openalex.org/W4290373070","https://openalex.org/W6700316687","https://openalex.org/W6771563103"],"related_works":["https://openalex.org/W4319317934","https://openalex.org/W2901265155","https://openalex.org/W2956374172","https://openalex.org/W4319837668","https://openalex.org/W4308071650","https://openalex.org/W2361205043","https://openalex.org/W3188333020","https://openalex.org/W4281783339","https://openalex.org/W1964041166","https://openalex.org/W4390887692"],"abstract_inverted_index":{"LiDAR":[0,21,37],"is":[1,42,74,145,154],"now":[2],"widely":[3],"used":[4,62,75],"in":[5,96,108,115,141],"measurement.":[6],"In":[7],"view":[8],"of":[9,100,123,132,137],"the":[10,14,19,28,36,46,51,55,67,71,78,85,93,97,103,106,112,116,142],"current":[11],"problem":[12],"that":[13],"Gaussian":[15,29],"decomposition":[16],"method":[17,73,107],"decomposes":[18,111],"full-waveform":[20],"superimposed":[22],"signal":[23],"incorrectly,":[24],"this":[25,109],"paper":[26,110],"improves":[27],"inflection":[30,47,56],"point":[31,48,57],"matching":[32],"algorithm":[33,87],"to":[34,44,50,63,65,76],"decompose":[35],"echo":[38,52,94,113,139],"signal.":[39,53],"First,":[40],"it":[41],"necessary":[43],"find":[45,66,77],"corresponding":[49],"Secondly,":[54],"and":[58,81,102,125,147],"peak":[59],"value":[60],"are":[61],"match":[64],"main":[68],"waveform.":[69],"Finally,":[70],"iterative":[72],"remaining":[79],"parameters":[80],"bring":[82],"them":[83],"into":[84],"LM(Levenberg-Marquardt)":[86],"for":[88],"parameter":[89],"optimization.":[90],"By":[91],"decomposing":[92,138],"signals":[95,114,140],"two":[98],"regions":[99],"Antarctica":[101],"United":[104,143],"States,":[105],"Antarctic":[117],"region":[118],"with":[119],"a":[120],"success":[121,135],"rate":[122,136],"99.9%":[124],"an":[126,148],"average":[127,149],"R":[128,150],"<sup":[129,151],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[130,152],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[131,153],"0.9661.":[133],"The":[134],"States":[144],"88.7%":[146],"0.8833.":[155]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}