{"id":"https://openalex.org/W3207668864","doi":"https://doi.org/10.1109/igarss47720.2021.9554448","title":"Hyperspectral Anomaly Detection via Local Gradient Guidance","display_name":"Hyperspectral Anomaly Detection via Local Gradient Guidance","publication_year":2021,"publication_date":"2021-07-11","ids":{"openalex":"https://openalex.org/W3207668864","doi":"https://doi.org/10.1109/igarss47720.2021.9554448","mag":"3207668864"},"language":"en","primary_location":{"id":"doi:10.1109/igarss47720.2021.9554448","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9554448","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/A5100784382","display_name":"Jing Hu","orcid":"https://orcid.org/0000-0002-7154-2099"},"institutions":[{"id":"https://openalex.org/I4210131919","display_name":"Xi'an University of Technology","ror":"https://ror.org/038avdt50","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210131919"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jing Hu","raw_affiliation_strings":["School of Computer Science and Engineering, Xi'an University of Technology, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Xi'an University of Technology, Xi'an, China","institution_ids":["https://openalex.org/I4210131919"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100326152","display_name":"Yujing Zhang","orcid":"https://orcid.org/0000-0003-4287-581X"},"institutions":[{"id":"https://openalex.org/I4210131919","display_name":"Xi'an University of Technology","ror":"https://ror.org/038avdt50","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210131919"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yujing Zhang","raw_affiliation_strings":["School of Computer Science and Engineering, Xi'an University of Technology, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Xi'an University of Technology, Xi'an, China","institution_ids":["https://openalex.org/I4210131919"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011525006","display_name":"Minghua Zhao","orcid":"https://orcid.org/0000-0001-8062-2982"},"institutions":[{"id":"https://openalex.org/I4210131919","display_name":"Xi'an University of Technology","ror":"https://ror.org/038avdt50","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210131919"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minghua Zhao","raw_affiliation_strings":["School of Computer Science and Engineering, Xi'an University of Technology, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Xi'an University of Technology, Xi'an, China","institution_ids":["https://openalex.org/I4210131919"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072879293","display_name":"Jiawei Ning","orcid":"https://orcid.org/0000-0002-7000-3325"},"institutions":[{"id":"https://openalex.org/I4210131919","display_name":"Xi'an University of Technology","ror":"https://ror.org/038avdt50","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210131919"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiawei Ning","raw_affiliation_strings":["School of Computer Science and Engineering, Xi'an University of Technology, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Xi'an University of Technology, Xi'an, China","institution_ids":["https://openalex.org/I4210131919"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012727269","display_name":"Min Zhang","orcid":"https://orcid.org/0000-0003-1643-5271"},"institutions":[{"id":"https://openalex.org/I4210131919","display_name":"Xi'an University of Technology","ror":"https://ror.org/038avdt50","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210131919"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Min Zhang","raw_affiliation_strings":["School of Computer Science and Engineering, Xi'an University of Technology, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Xi'an University of Technology, Xi'an, China","institution_ids":["https://openalex.org/I4210131919"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067798266","display_name":"Yunsong Li","orcid":"https://orcid.org/0000-0002-0640-4060"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunsong Li","raw_affiliation_strings":["Joint Laboratory of High Speed Multi-source Image Coding and Processing, Xidian University, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"Joint Laboratory of High Speed Multi-source Image Coding and Processing, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100784382"],"corresponding_institution_ids":["https://openalex.org/I4210131919"],"apc_list":null,"apc_paid":null,"fwci":0.1247,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.50148045,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"biblio":{"volume":null,"issue":null,"first_page":"4432","last_page":"4435"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":1.0,"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"}},{"id":"https://openalex.org/T13890","display_name":"Remote Sensing and Land Use","score":0.9914000034332275,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"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/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9836999773979187,"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/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.9183248281478882},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.7625596523284912},{"id":"https://openalex.org/keywords/anomaly-detection","display_name":"Anomaly detection","score":0.7382297515869141},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7046862840652466},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6164869666099548},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6046918630599976},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.5487894415855408},{"id":"https://openalex.org/keywords/false-alarm","display_name":"False alarm","score":0.5268574953079224},{"id":"https://openalex.org/keywords/anomaly","display_name":"Anomaly (physics)","score":0.5060345530509949},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4919016361236572},{"id":"https://openalex.org/keywords/spatial-analysis","display_name":"Spatial analysis","score":0.4367872178554535},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.423200786113739},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.42090290784835815},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.33500105142593384},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07525184750556946}],"concepts":[{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.9183248281478882},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.7625596523284912},{"id":"https://openalex.org/C739882","wikidata":"https://www.wikidata.org/wiki/Q3560506","display_name":"Anomaly detection","level":2,"score":0.7382297515869141},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7046862840652466},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6164869666099548},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6046918630599976},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.5487894415855408},{"id":"https://openalex.org/C2776836416","wikidata":"https://www.wikidata.org/wiki/Q1364844","display_name":"False alarm","level":2,"score":0.5268574953079224},{"id":"https://openalex.org/C12997251","wikidata":"https://www.wikidata.org/wiki/Q567560","display_name":"Anomaly (physics)","level":2,"score":0.5060345530509949},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4919016361236572},{"id":"https://openalex.org/C159620131","wikidata":"https://www.wikidata.org/wiki/Q1938983","display_name":"Spatial analysis","level":2,"score":0.4367872178554535},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.423200786113739},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.42090290784835815},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.33500105142593384},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07525184750556946},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss47720.2021.9554448","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9554448","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":[],"awards":[{"id":"https://openalex.org/G8304079601","display_name":null,"funder_award_id":"61901362","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8523467024","display_name":null,"funder_award_id":"112-425920021","funder_id":"https://openalex.org/F4320321106","funder_display_name":"Ministry of Education of the People's Republic of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321106","display_name":"Ministry of Education of the People's Republic of China","ror":"https://ror.org/01mv9t934"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2004491663","https://openalex.org/W2024288510","https://openalex.org/W2047870694","https://openalex.org/W2163935418","https://openalex.org/W2497075055","https://openalex.org/W2740976805","https://openalex.org/W2975506318","https://openalex.org/W3008839601","https://openalex.org/W3015560401","https://openalex.org/W3028138626","https://openalex.org/W3033484887","https://openalex.org/W6683680428"],"related_works":["https://openalex.org/W2806741695","https://openalex.org/W4290647774","https://openalex.org/W3189286258","https://openalex.org/W3207797160","https://openalex.org/W3210364259","https://openalex.org/W4300558037","https://openalex.org/W2667207928","https://openalex.org/W2912112202","https://openalex.org/W4377864969","https://openalex.org/W3030345572"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"a":[3,52],"novel":[4],"hyperspectral":[5],"image":[6],"(HSI)":[7],"anomaly":[8,118],"detection":[9,119,154],"method":[10,14],"is":[11,15,27,58,86,155],"proposed.":[12],"This":[13],"inspired":[16],"by":[17],"three":[18,105],"ideas.":[19],"First,":[20],"the":[21,25,36,47,65,78,82,89,110,117,121,132,144,148,152,158,169,172],"spatial":[22,79,145],"resolution":[23],"of":[24,35,46,69,81,134,171],"HSIs":[26,37,167],"sacrificed":[28],"for":[29,120,147],"their":[30],"spectral":[31],"information.":[32],"Structural":[33],"information":[34,80],"tends":[38],"to":[39,61,76,103,142],"be":[40,74,93],"smooth":[41],"and":[42,116,140],"distorts":[43],"from":[44],"that":[45,88],"real":[48,166],"scene.":[49],"Second,":[50],"with":[51,101],"loose":[53],"false":[54],"alarm":[55],"rate,":[56],"it":[57,85],"not":[59],"difficult":[60],"pick":[62],"out":[63],"all":[64],"anomalies.":[66],"Third,":[67],"gradients":[68,133],"these":[70,104,135],"probable":[71,111,126],"anomalies":[72,127],"can":[73],"transformed":[75,139],"enhance":[77],"HSI.":[83,123,160],"Meanwhile,":[84],"desirable":[87],"enhanced":[90,122,159],"HSI":[91,149],"could":[92],"detected":[94],"more":[95],"precisely.":[96],"Three":[97],"modules":[98],"are":[99,108,128,138],"designed":[100],"respect":[102],"ideas,":[106],"which":[107],"locating":[109],"pixels,":[112],"local":[113],"gradient":[114],"guidance,":[115],"Specifically,":[124],"some":[125],"firstly":[129],"selected.":[130],"Secondly,":[131],"selected":[136],"pixels":[137],"utilized":[141],"guide":[143],"enhancement":[146],"locally.":[150],"Finally,":[151],"final":[153],"implemented":[156],"on":[157,164],"Experimental":[161],"results":[162],"obtained":[163],"four":[165],"demonstrate":[168],"effectiveness":[170],"proposed":[173],"method.":[174]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
