{"id":"https://openalex.org/W2062246128","doi":"https://doi.org/10.1109/igarss.2012.6351271","title":"New approaches on dimensionality reduction in hyperspectral images for classification purposes","display_name":"New approaches on dimensionality reduction in hyperspectral images for classification purposes","publication_year":2012,"publication_date":"2012-07-01","ids":{"openalex":"https://openalex.org/W2062246128","doi":"https://doi.org/10.1109/igarss.2012.6351271","mag":"2062246128"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2012.6351271","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2012.6351271","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Geoscience and Remote Sensing Symposium","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/A5089509014","display_name":"Daniele Cerra","orcid":"https://orcid.org/0000-0003-2984-8315"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Daniele Cerra","raw_affiliation_strings":["Remote Sensing Technology Institute, German AeroSpace Center, Germany","Remote Sensing Technology Institute,German Aerospace Center (DLR),,,,Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, German AeroSpace Center, Germany","institution_ids":["https://openalex.org/I2898391981"]},{"raw_affiliation_string":"Remote Sensing Technology Institute,German Aerospace Center (DLR),,,,Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087696985","display_name":"Jakub Bieniarz","orcid":null},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Jakub Bieniarz","raw_affiliation_strings":["Remote Sensing Technology Institute, German AeroSpace Center, Germany","Remote Sensing Technology Institute,German Aerospace Center (DLR),,,,Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, German AeroSpace Center, Germany","institution_ids":["https://openalex.org/I2898391981"]},{"raw_affiliation_string":"Remote Sensing Technology Institute,German Aerospace Center (DLR),,,,Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083043377","display_name":"R. Mueller","orcid":null},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Rupert Mueller","raw_affiliation_strings":["Remote Sensing Technology Institute, German AeroSpace Center, Germany","Remote Sensing Technology Institute,German Aerospace Center (DLR),,,,Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, German AeroSpace Center, Germany","institution_ids":["https://openalex.org/I2898391981"]},{"raw_affiliation_string":"Remote Sensing Technology Institute,German Aerospace Center (DLR),,,,Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052386553","display_name":"Peter Reinartz","orcid":"https://orcid.org/0000-0002-8122-1475"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Peter Reinartz","raw_affiliation_strings":["Remote Sensing Technology Institute, German AeroSpace Center, Germany","Remote Sensing Technology Institute,German Aerospace Center (DLR),,,,Germany"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Technology Institute, German AeroSpace Center, Germany","institution_ids":["https://openalex.org/I2898391981"]},{"raw_affiliation_string":"Remote Sensing Technology Institute,German Aerospace Center (DLR),,,,Germany","institution_ids":["https://openalex.org/I2898391981"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5089509014"],"corresponding_institution_ids":["https://openalex.org/I2898391981"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.17732942,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"32","issue":null,"first_page":"1413","last_page":"1416"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":0.9998999834060669,"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":0.9998999834060669,"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/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9886999726295471,"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":0.9824000000953674,"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":0.9001642465591431},{"id":"https://openalex.org/keywords/endmember","display_name":"Endmember","score":0.87110835313797},{"id":"https://openalex.org/keywords/dimensionality-reduction","display_name":"Dimensionality reduction","score":0.8000674247741699},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.754658579826355},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7446867823600769},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6358789205551147},{"id":"https://openalex.org/keywords/classifier","display_name":"Classifier (UML)","score":0.6011795401573181},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.6008545756340027},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5903537273406982},{"id":"https://openalex.org/keywords/curse-of-dimensionality","display_name":"Curse of dimensionality","score":0.48978114128112793},{"id":"https://openalex.org/keywords/contextual-image-classification","display_name":"Contextual image classification","score":0.4799802005290985},{"id":"https://openalex.org/keywords/basis","display_name":"Basis (linear algebra)","score":0.43452996015548706},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.42426568269729614},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2807973623275757},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.21918845176696777}],"concepts":[{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.9001642465591431},{"id":"https://openalex.org/C58237817","wikidata":"https://www.wikidata.org/wiki/Q5376204","display_name":"Endmember","level":3,"score":0.87110835313797},{"id":"https://openalex.org/C70518039","wikidata":"https://www.wikidata.org/wiki/Q16000077","display_name":"Dimensionality reduction","level":2,"score":0.8000674247741699},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.754658579826355},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7446867823600769},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6358789205551147},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.6011795401573181},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.6008545756340027},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5903537273406982},{"id":"https://openalex.org/C111030470","wikidata":"https://www.wikidata.org/wiki/Q1430460","display_name":"Curse of dimensionality","level":2,"score":0.48978114128112793},{"id":"https://openalex.org/C75294576","wikidata":"https://www.wikidata.org/wiki/Q5165192","display_name":"Contextual image classification","level":3,"score":0.4799802005290985},{"id":"https://openalex.org/C12426560","wikidata":"https://www.wikidata.org/wiki/Q189569","display_name":"Basis (linear algebra)","level":2,"score":0.43452996015548706},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.42426568269729614},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2807973623275757},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.21918845176696777},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/igarss.2012.6351271","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2012.6351271","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},{"id":"pmh:oai:elib.dlr.de:78822","is_oa":false,"landing_page_url":"https://doi.org/10.1109/IGARSS.2012.6351271>.","pdf_url":null,"source":{"id":"https://openalex.org/S4377196266","display_name":"elib (German Aerospace Center)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2898391981","host_organization_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","host_organization_lineage":["https://openalex.org/I2898391981"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"NonPeerReviewed"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W771880410","https://openalex.org/W1973022453","https://openalex.org/W2063978378","https://openalex.org/W2070424424","https://openalex.org/W2091397530","https://openalex.org/W2099301440","https://openalex.org/W2106777458","https://openalex.org/W2113236250","https://openalex.org/W2127900095","https://openalex.org/W4243132331","https://openalex.org/W6622421535","https://openalex.org/W6679229648"],"related_works":["https://openalex.org/W2037328426","https://openalex.org/W1990914742","https://openalex.org/W2891033441","https://openalex.org/W2006559622","https://openalex.org/W2315521504","https://openalex.org/W3106536224","https://openalex.org/W2890371384","https://openalex.org/W2051769241","https://openalex.org/W2563324120","https://openalex.org/W2040756827"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,16,38,59,77,88,101],"quasi-unsupervised":[4],"methodology":[5],"to":[6,14,58,68],"detect":[7],"endmembers":[8],"within":[9,37],"an":[10,29],"hyperspectral":[11],"scene":[12,39],"and":[13,33],"derive":[15],"pixel-wise":[17],"classification":[18,71],"on":[19,62,73],"its":[20],"basis.":[21],"The":[22,48],"endmember":[23],"detection":[24],"step":[25],"takes":[26],"as":[27],"input":[28],"overcomplete":[30],"spectral":[31],"library,":[32],"detects":[34],"the":[35,45,74,82,85,92,98],"materials":[36],"by":[40,91],"analyzing":[41],"derivative":[42],"features":[43],"under":[44],"sparsity":[46],"assumption.":[47],"purest":[49],"pixels":[50],"for":[51],"each":[52],"detected":[53],"material":[54],"are":[55],"then":[56],"fed":[57],"classifier":[60,83],"based":[61],"synergetics":[63],"theory,":[64],"which":[65,108],"is":[66,105,111],"able":[67],"produce":[69],"accurate":[70],"maps":[72],"basis":[75],"of":[76,94],"restricted":[78],"training":[79],"dataset.":[80],"As":[81],"projects":[84],"image":[86],"onto":[87],"subspace":[89],"composed":[90],"classes":[93],"interest":[95],"found":[96],"in":[97,107],"first":[99],"step,":[100],"focused":[102],"dimensionality":[103],"reduction":[104],"performed":[106],"every":[109],"dimension":[110],"semantically":[112],"meaningful.":[113]},"counts_by_year":[{"year":2017,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
