{"id":"https://openalex.org/W1968825317","doi":"https://doi.org/10.1109/siu.2014.6830223","title":"Unsharp masking filter based shadow-invariant feature extraction for hyperspectral signatures","display_name":"Unsharp masking filter based shadow-invariant feature extraction for hyperspectral signatures","publication_year":2014,"publication_date":"2014-04-01","ids":{"openalex":"https://openalex.org/W1968825317","doi":"https://doi.org/10.1109/siu.2014.6830223","mag":"1968825317"},"language":"en","primary_location":{"id":"doi:10.1109/siu.2014.6830223","is_oa":false,"landing_page_url":"https://doi.org/10.1109/siu.2014.6830223","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 22nd Signal Processing and Communications Applications Conference (SIU)","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/A5072530474","display_name":"Ufuk Sakarya","orcid":"https://orcid.org/0000-0002-8365-3415"},"institutions":[{"id":"https://openalex.org/I198068145","display_name":"Scientific and Technological Research Council of Turkey","ror":"https://ror.org/04w9kkr77","country_code":"TR","type":"government","lineage":["https://openalex.org/I198068145"]}],"countries":["TR"],"is_corresponding":true,"raw_author_name":"Ufuk Sakarya","raw_affiliation_strings":["T\u00dcB\u0130TAK UZAY, ODT\u00dc Yerle\u015fkesi, Ankara","T\u00dcB\u0130TAK UZAY, ODT\u00dc Yerle\u015fkesi, 06531, Ankara"],"affiliations":[{"raw_affiliation_string":"T\u00dcB\u0130TAK UZAY, ODT\u00dc Yerle\u015fkesi, Ankara","institution_ids":["https://openalex.org/I198068145"]},{"raw_affiliation_string":"T\u00dcB\u0130TAK UZAY, ODT\u00dc Yerle\u015fkesi, 06531, Ankara","institution_ids":["https://openalex.org/I198068145"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088889772","display_name":"Can Demirkesen","orcid":null},"institutions":[{"id":"https://openalex.org/I198068145","display_name":"Scientific and Technological Research Council of Turkey","ror":"https://ror.org/04w9kkr77","country_code":"TR","type":"government","lineage":["https://openalex.org/I198068145"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Can Demirkesen","raw_affiliation_strings":["T\u00dcB\u0130TAK UZAY, ODT\u00dc Yerle\u015fkesi, Ankara","T\u00dcB\u0130TAK UZAY, ODT\u00dc Yerle\u015fkesi, 06531, Ankara"],"affiliations":[{"raw_affiliation_string":"T\u00dcB\u0130TAK UZAY, ODT\u00dc Yerle\u015fkesi, Ankara","institution_ids":["https://openalex.org/I198068145"]},{"raw_affiliation_string":"T\u00dcB\u0130TAK UZAY, ODT\u00dc Yerle\u015fkesi, 06531, Ankara","institution_ids":["https://openalex.org/I198068145"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5086922756","display_name":"Mustafa Teke","orcid":"https://orcid.org/0000-0002-1636-1148"},"institutions":[{"id":"https://openalex.org/I198068145","display_name":"Scientific and Technological Research Council of Turkey","ror":"https://ror.org/04w9kkr77","country_code":"TR","type":"government","lineage":["https://openalex.org/I198068145"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Mustafa Teke","raw_affiliation_strings":["T\u00dcB\u0130TAK UZAY, ODT\u00dc Yerle\u015fkesi, Ankara","T\u00dcB\u0130TAK UZAY, ODT\u00dc Yerle\u015fkesi, 06531, Ankara"],"affiliations":[{"raw_affiliation_string":"T\u00dcB\u0130TAK UZAY, ODT\u00dc Yerle\u015fkesi, Ankara","institution_ids":["https://openalex.org/I198068145"]},{"raw_affiliation_string":"T\u00dcB\u0130TAK UZAY, ODT\u00dc Yerle\u015fkesi, 06531, Ankara","institution_ids":["https://openalex.org/I198068145"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5072530474"],"corresponding_institution_ids":["https://openalex.org/I198068145"],"apc_list":null,"apc_paid":null,"fwci":0.9153,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.77688352,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"293","last_page":"296"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":0.9983000159263611,"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":0.9983000159263611,"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/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13890","display_name":"Remote Sensing and Land Use","score":0.994700014591217,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.835502028465271},{"id":"https://openalex.org/keywords/unsharp-masking","display_name":"Unsharp masking","score":0.7896904945373535},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7208828330039978},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6338076591491699},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.5881046056747437},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5659555196762085},{"id":"https://openalex.org/keywords/invariant","display_name":"Invariant (physics)","score":0.4809498190879822},{"id":"https://openalex.org/keywords/optical-filter","display_name":"Optical filter","score":0.4686538279056549},{"id":"https://openalex.org/keywords/shadow","display_name":"Shadow (psychology)","score":0.45932433009147644},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.44712409377098083},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.42724713683128357},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2170792520046234},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.21555304527282715},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.19737356901168823},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.19707569479942322},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.11065807938575745}],"concepts":[{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.835502028465271},{"id":"https://openalex.org/C79052406","wikidata":"https://www.wikidata.org/wiki/Q365715","display_name":"Unsharp masking","level":4,"score":0.7896904945373535},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7208828330039978},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6338076591491699},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.5881046056747437},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5659555196762085},{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.4809498190879822},{"id":"https://openalex.org/C45613198","wikidata":"https://www.wikidata.org/wiki/Q1134091","display_name":"Optical filter","level":2,"score":0.4686538279056549},{"id":"https://openalex.org/C117797892","wikidata":"https://www.wikidata.org/wiki/Q286363","display_name":"Shadow (psychology)","level":2,"score":0.45932433009147644},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.44712409377098083},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.42724713683128357},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2170792520046234},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.21555304527282715},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.19737356901168823},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.19707569479942322},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.11065807938575745},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.0},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/siu.2014.6830223","is_oa":false,"landing_page_url":"https://doi.org/10.1109/siu.2014.6830223","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 22nd Signal Processing and Communications Applications Conference (SIU)","raw_type":"proceedings-article"},{"id":"pmh:oai:open.metu.edu.tr:11511/66685","is_oa":false,"landing_page_url":"https://hdl.handle.net/11511/66685","pdf_url":null,"source":{"id":"https://openalex.org/S4306402495","display_name":"OpenMETU (Middle East Technical University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I201799495","host_organization_name":"Middle East Technical University","host_organization_lineage":["https://openalex.org/I201799495"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":""}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5199999809265137,"display_name":"Climate action","id":"https://metadata.un.org/sdg/13"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1989207958","https://openalex.org/W1994168328","https://openalex.org/W2003339231","https://openalex.org/W2104691766","https://openalex.org/W2158745937","https://openalex.org/W2160737027","https://openalex.org/W2166502676","https://openalex.org/W2168519618","https://openalex.org/W4239875977","https://openalex.org/W6683688171"],"related_works":["https://openalex.org/W2087579212","https://openalex.org/W2236302086","https://openalex.org/W2322289929","https://openalex.org/W2317275150","https://openalex.org/W2136313643","https://openalex.org/W1991633490","https://openalex.org/W4254647172","https://openalex.org/W2037966277","https://openalex.org/W2181559900","https://openalex.org/W2406828883"],"abstract_inverted_index":{"Hyperspectral":[0],"image":[1,26],"processing":[2,27],"is":[3,42,49,83],"an":[4],"important":[5],"research":[6],"topic":[7],"in":[8,24,76],"remote":[9],"sensing.":[10],"The":[11],"effect":[12],"of":[13,23,55,67],"atmosphere,":[14],"especially":[15],"cloud":[16],"shadows":[17],"need":[18],"to":[19,51,63,72,90,98],"be":[20,99],"taken":[21],"care":[22],"hyperspectral":[25,45],"analysis.":[28],"In":[29],"this":[30],"paper,":[31],"a":[32,73],"shadow-invariant":[33],"feature":[34],"extraction":[35],"technique":[36,48],"based":[37],"on":[38],"unsharp":[39],"mask":[40],"filtering":[41],"proposed":[43,95],"for":[44],"signatures.":[46],"This":[47],"designed":[50],"remedy":[52],"the":[53,68,91,94],"problem":[54],"one":[56],"material":[57,75],"having":[58],"different":[59],"spectral":[60],"signatures":[61,70],"due":[62],"illumination":[64],"condition.":[65],"Similarity":[66],"two":[69],"belonging":[71],"same":[74],"differently":[77],"illuminated":[78],"areas":[79],"(shadow":[80],"and":[81,86],"non-shadow)":[82],"investigated":[84],"before":[85],"after":[87],"filtering.":[88],"According":[89],"first":[92],"experiments,":[93],"approach":[96],"seems":[97],"effective.":[100]},"counts_by_year":[{"year":2021,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}