{"id":"https://openalex.org/W4393139818","doi":"https://doi.org/10.1109/lgrs.2024.3381271","title":"Adaptive Denoising for Airborne LiDAR Bathymetric Full Waveforms Using EMD-Based Multiresolution Analysis","display_name":"Adaptive Denoising for Airborne LiDAR Bathymetric Full Waveforms Using EMD-Based Multiresolution Analysis","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4393139818","doi":"https://doi.org/10.1109/lgrs.2024.3381271"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2024.3381271","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2024.3381271","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters","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/A5052291848","display_name":"Wenjing Li","orcid":"https://orcid.org/0009-0004-9295-2347"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenjing Li","raw_affiliation_strings":["College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao, China"],"raw_orcid":"https://orcid.org/0009-0004-9295-2347","affiliations":[{"raw_affiliation_string":"College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102530021","display_name":"Libin Du","orcid":null},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Libin Du","raw_affiliation_strings":["College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113743793","display_name":"Xiangqian Meng","orcid":"https://orcid.org/0000-0003-4629-3606"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiangqian Meng","raw_affiliation_strings":["College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100454052","display_name":"Jie Liu","orcid":"https://orcid.org/0000-0002-0750-1030"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Liu","raw_affiliation_strings":["College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104264018","display_name":"Yuxin Li","orcid":"https://orcid.org/0000-0002-5935-0684"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuxin Li","raw_affiliation_strings":["College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101699681","display_name":"Xinjie Zhang","orcid":"https://orcid.org/0000-0002-3194-7518"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinjie Zhang","raw_affiliation_strings":["College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111081665","display_name":"Dawei Wan","orcid":null},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dawei Wan","raw_affiliation_strings":["College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I80143920"],"apc_list":null,"apc_paid":null,"fwci":1.4826,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.78899956,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"21","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9957000017166138,"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":0.9957000017166138,"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/T11698","display_name":"Underwater Acoustics Research","score":0.9908000230789185,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10271","display_name":"Seismic Imaging and Inversion Techniques","score":0.980400025844574,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/lidar","display_name":"Lidar","score":0.716863214969635},{"id":"https://openalex.org/keywords/bathymetry","display_name":"Bathymetry","score":0.6783856153488159},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6493990421295166},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.5982262492179871},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5528792142868042},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.44401025772094727},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.42076507210731506},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.37502649426460266},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.3456902503967285},{"id":"https://openalex.org/keywords/oceanography","display_name":"Oceanography","score":0.08240509033203125}],"concepts":[{"id":"https://openalex.org/C51399673","wikidata":"https://www.wikidata.org/wiki/Q504027","display_name":"Lidar","level":2,"score":0.716863214969635},{"id":"https://openalex.org/C174943157","wikidata":"https://www.wikidata.org/wiki/Q810826","display_name":"Bathymetry","level":2,"score":0.6783856153488159},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6493990421295166},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.5982262492179871},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5528792142868042},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.44401025772094727},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.42076507210731506},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.37502649426460266},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3456902503967285},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.08240509033203125}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2024.3381271","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2024.3381271","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W882422999","https://openalex.org/W1514378914","https://openalex.org/W1972310346","https://openalex.org/W1972717105","https://openalex.org/W2007221293","https://openalex.org/W2024104872","https://openalex.org/W2026892024","https://openalex.org/W2063424275","https://openalex.org/W2080157231","https://openalex.org/W2091658153","https://openalex.org/W2109896502","https://openalex.org/W2129276500","https://openalex.org/W2335072418","https://openalex.org/W2760907153","https://openalex.org/W2898375015","https://openalex.org/W2944181534","https://openalex.org/W3025565369","https://openalex.org/W3194813201","https://openalex.org/W3199620939","https://openalex.org/W3208905291","https://openalex.org/W4205289332","https://openalex.org/W4312400634"],"related_works":["https://openalex.org/W4319317934","https://openalex.org/W2901265155","https://openalex.org/W2956374172","https://openalex.org/W1992543912","https://openalex.org/W2351984678","https://openalex.org/W2140032575","https://openalex.org/W2011860471","https://openalex.org/W2012196540","https://openalex.org/W3011451421","https://openalex.org/W2369060955"],"abstract_inverted_index":{"It\u2019s":[0],"a":[1,122,129,132],"key":[2],"issue":[3],"denoising":[4,156,171,180],"airborne":[5],"LiDAR":[6],"bathymetric":[7],"(ALB)":[8],"full-waveforms":[9,28],"in":[10,95,115,154,194,204,219,227],"extracting":[11],"underwater":[12],"topography.":[13],"Empirical":[14],"mode":[15],"decomposition":[16,89],"(EMD)":[17],"is":[18,66,101,152,186,213],"suitable":[19],"for":[20,33,68,103],"the":[21,31,38,75,80,87,91,96,104,108,116,126,136,149,157,174,179,183,232,236],"nonlinear":[22],"and":[23,29,168,191,197,201,217,222,225],"non-stationary":[24],"characteristics":[25],"of":[26,41,55,90,124,138,178,235],"ALB":[27,69,158],"obviates":[30],"necessity":[32],"pre-set":[34],"basis":[35],"functions.":[36],"Still,":[37],"direct":[39],"discarding":[40],"noise-dominated":[42],"Intrinsic":[43],"Mode":[44],"Functions":[45],"(IMFs)":[46],"by":[47,188,198,215,223],"traditional":[48,166],"EMD":[49,167],"leads":[50],"to":[51,85,131],"over-smoothing":[52],"or":[53],"under-smoothing":[54],"signals.":[56],"In":[57],"this":[58],"letter,":[59],"An":[60],"EMD-based":[61],"multi-resolution":[62],"analysis":[63],"(EMD-MRA)":[64],"method":[65,73,151],"suggested":[67],"full-waveform":[70,159],"denoising.":[71],"This":[72],"utilizes":[74],"zero-padding":[76],"technique":[77],"based":[78],"on":[79],"Discrete":[81],"Cosine":[82],"Transform":[83],"(DCT)":[84],"achieve":[86],"second-layer":[88,109],"noise-dominant":[92,105],"IMFs":[93,106,117],"obtained":[94],"first-layer.":[97],"Subsequently,":[98],"Savitzky-Golay(S-G)":[99],"filtering":[100],"employed":[102],"from":[107,128],"decomposition.":[110],"The":[111,141,207],"intricate":[112],"details":[113,234],"embedded":[114],"are":[118],"meticulously":[119],"extracted":[120],"through":[121],"process":[123],"scaling":[125],"signal":[127],"coarse":[130],"fine":[133],"resolution,":[134],"ensuring":[135],"preservation":[137],"valuable":[139],"information.":[140],"experiments,":[142],"conducted":[143],"using":[144,182],"measurement":[145],"data,":[146,160],"demonstrate":[147],"that":[148],"EMD-MRA":[150],"effective":[153],"adaptively":[155],"showcasing":[161],"sufficient":[162],"robustness.":[163],"Compared":[164],"with":[165],"wavelet":[169],"threshold":[170],"(WTD)":[172],"methods,":[173],"signal-to-noise":[175],"ratio":[176],"(SNR)":[177],"results":[181],"proposed":[184],"approach":[185],"improved":[187],"6.769":[189],"dB":[190,193,200,203],"0.971":[192,218],"area":[195,205,220,228],"a,":[196,221],"19.672":[199],"5.317":[202],"b.":[206],"root":[208],"mean":[209],"square":[210],"error":[211],"(RMSE)":[212],"reduced":[214],"0.455":[216],"0.979":[224],"0.47":[226],"b,":[229],"effectively":[230],"retaining":[231],"complex":[233],"original":[237],"signal.":[238]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}