{"id":"https://openalex.org/W2548083006","doi":"https://doi.org/10.1109/igarss.2016.7730299","title":"Evaluation of entropy/alpha/anisotropy based on adaptive coherency matrix estimation","display_name":"Evaluation of entropy/alpha/anisotropy based on adaptive coherency matrix estimation","publication_year":2016,"publication_date":"2016-07-01","ids":{"openalex":"https://openalex.org/W2548083006","doi":"https://doi.org/10.1109/igarss.2016.7730299","mag":"2548083006"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2016.7730299","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2016.7730299","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 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/A5100736166","display_name":"Shuai Yang","orcid":"https://orcid.org/0000-0003-0799-5648"},"institutions":[{"id":"https://openalex.org/I3124059619","display_name":"China University of Geosciences","ror":"https://ror.org/04gcegc37","country_code":"CN","type":"education","lineage":["https://openalex.org/I3124059619"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shuai Yang","raw_affiliation_strings":["China University of Geosciences, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"China University of Geosciences, Wuhan, China","institution_ids":["https://openalex.org/I3124059619"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074230887","display_name":"Qihao Chen","orcid":"https://orcid.org/0000-0002-7250-8781"},"institutions":[{"id":"https://openalex.org/I3124059619","display_name":"China University of Geosciences","ror":"https://ror.org/04gcegc37","country_code":"CN","type":"education","lineage":["https://openalex.org/I3124059619"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qihao Chen","raw_affiliation_strings":["China University of Geosciences, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"China University of Geosciences, Wuhan, China","institution_ids":["https://openalex.org/I3124059619"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021355100","display_name":"Xiaohui Yuan","orcid":"https://orcid.org/0000-0001-6897-4563"},"institutions":[{"id":"https://openalex.org/I123534392","display_name":"University of North Texas","ror":"https://ror.org/00v97ad02","country_code":"US","type":"education","lineage":["https://openalex.org/I123534392"]},{"id":"https://openalex.org/I3124059619","display_name":"China University of Geosciences","ror":"https://ror.org/04gcegc37","country_code":"CN","type":"education","lineage":["https://openalex.org/I3124059619"]}],"countries":["CN","US"],"is_corresponding":false,"raw_author_name":"Xiaohui Yuan","raw_affiliation_strings":["China University of Geosciences, Wuhan, China","University of North Texas, Denton, TX, USA"],"affiliations":[{"raw_affiliation_string":"China University of Geosciences, Wuhan, China","institution_ids":["https://openalex.org/I3124059619"]},{"raw_affiliation_string":"University of North Texas, Denton, TX, USA","institution_ids":["https://openalex.org/I123534392"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040144517","display_name":"Qiao Xu","orcid":"https://orcid.org/0000-0001-6854-7270"},"institutions":[{"id":"https://openalex.org/I3124059619","display_name":"China University of Geosciences","ror":"https://ror.org/04gcegc37","country_code":"CN","type":"education","lineage":["https://openalex.org/I3124059619"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiao Xu","raw_affiliation_strings":["China University of Geosciences, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"China University of Geosciences, Wuhan, China","institution_ids":["https://openalex.org/I3124059619"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102002431","display_name":"Xiuguo Liu","orcid":"https://orcid.org/0000-0001-6139-7142"},"institutions":[{"id":"https://openalex.org/I3124059619","display_name":"China University of Geosciences","ror":"https://ror.org/04gcegc37","country_code":"CN","type":"education","lineage":["https://openalex.org/I3124059619"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiuguo Liu","raw_affiliation_strings":["China University of Geosciences, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"China University of Geosciences, Wuhan, China","institution_ids":["https://openalex.org/I3124059619"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100736166"],"corresponding_institution_ids":["https://openalex.org/I3124059619"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0643425,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"142","issue":null,"first_page":"4980","last_page":"4983"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998999834060669,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9934999942779541,"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/T10689","display_name":"Remote-Sensing Image Classification","score":0.9751999974250793,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/covariance-matrix","display_name":"Covariance matrix","score":0.65153568983078},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.6108080744743347},{"id":"https://openalex.org/keywords/entropy","display_name":"Entropy (arrow of time)","score":0.5550174117088318},{"id":"https://openalex.org/keywords/inversion","display_name":"Inversion (geology)","score":0.5274631977081299},{"id":"https://openalex.org/keywords/estimation-of-covariance-matrices","display_name":"Estimation of covariance matrices","score":0.4685571789741516},{"id":"https://openalex.org/keywords/anisotropy","display_name":"Anisotropy","score":0.46826961636543274},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.4669063687324524},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.45023709535598755},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4372010827064514},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.42829644680023193},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41959407925605774},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.41471827030181885},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3458699584007263},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.32736942172050476},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3266342282295227},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.25278806686401367},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.16012847423553467},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.15628501772880554},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.1262243092060089},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.07744893431663513}],"concepts":[{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.65153568983078},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.6108080744743347},{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.5550174117088318},{"id":"https://openalex.org/C1893757","wikidata":"https://www.wikidata.org/wiki/Q3653001","display_name":"Inversion (geology)","level":3,"score":0.5274631977081299},{"id":"https://openalex.org/C180877172","wikidata":"https://www.wikidata.org/wiki/Q5401390","display_name":"Estimation of covariance matrices","level":3,"score":0.4685571789741516},{"id":"https://openalex.org/C85725439","wikidata":"https://www.wikidata.org/wiki/Q466686","display_name":"Anisotropy","level":2,"score":0.46826961636543274},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.4669063687324524},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.45023709535598755},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4372010827064514},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.42829644680023193},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41959407925605774},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.41471827030181885},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3458699584007263},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.32736942172050476},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3266342282295227},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.25278806686401367},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16012847423553467},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.15628501772880554},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.1262243092060089},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.07744893431663513},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","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},{"id":"https://openalex.org/C109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","level":2,"score":0.0},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2016.7730299","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2016.7730299","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1987954504","https://openalex.org/W2098643317","https://openalex.org/W2133989913","https://openalex.org/W2134343800","https://openalex.org/W2156722619","https://openalex.org/W2176806231","https://openalex.org/W4237764598","https://openalex.org/W6682945069"],"related_works":["https://openalex.org/W2921280830","https://openalex.org/W2887132723","https://openalex.org/W2572601863","https://openalex.org/W1670628120","https://openalex.org/W2756533552","https://openalex.org/W4286579657","https://openalex.org/W1976318097","https://openalex.org/W1974588588","https://openalex.org/W1583261817","https://openalex.org/W2547004481"],"abstract_inverted_index":{"Entropy,":[0],"alpha,":[1],"and":[2,15,40,63,81],"anisotropy":[3],"(H/\u03b1\u0305/A)":[4],"of":[5,69,84,89,96],"Cloude":[6,70],"decomposition":[7],"are":[8],"effective":[9],"in":[10],"polarimetric":[11],"SAR":[12],"image":[13],"understanding":[14],"geophysical":[16],"information":[17],"inversion.":[18],"As":[19],"an":[20],"incoherent":[21],"target":[22],"decomposition,":[23],"the":[24,32,82],"inner":[25],"sample":[26],"covariance":[27],"matrix":[28,56],"estimation":[29,43,57,68],"severely":[30],"affects":[31],"estimated":[33],"parameters.":[34],"The":[35,72,87],"contradiction":[36],"between":[37],"details":[38,79],"preservation":[39,80],"accurate":[41],"parameters":[42,67,85],"is":[44],"still":[45],"a":[46],"challenge":[47],"task.":[48],"In":[49],"this":[50,90],"article,":[51],"we":[52],"propose":[53],"adaptive":[54],"coherency":[55],"based":[58],"on":[59],"local":[60],"heterogeneity":[61],"coefficients,":[62],"utilize":[64],"it":[65],"to":[66,78],"decomposition.":[71],"results":[73,88],"were":[74,92],"evaluated":[75],"with":[76],"respect":[77],"accuracy":[83],"estimation.":[86],"work":[91],"analyzed":[93],"by":[94],"means":[95],"AIRSAR":[97],"data.":[98]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}