{"id":"https://openalex.org/W2766147887","doi":"https://doi.org/10.1109/whispers.2014.8077501","title":"Hyperspectral image representation using learned multiscale dictionaries","display_name":"Hyperspectral image representation using learned multiscale dictionaries","publication_year":2014,"publication_date":"2014-06-01","ids":{"openalex":"https://openalex.org/W2766147887","doi":"https://doi.org/10.1109/whispers.2014.8077501","mag":"2766147887"},"language":"en","primary_location":{"id":"doi:10.1109/whispers.2014.8077501","is_oa":false,"landing_page_url":"https://doi.org/10.1109/whispers.2014.8077501","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 6th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing (WHISPERS)","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/A5115444819","display_name":"Qian Wu","orcid":"https://orcid.org/0000-0001-8746-2686"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I2802624667","display_name":"Hefei Institutes of Physical Science","ror":"https://ror.org/046n57345","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2802624667"]},{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Qian Wu","raw_affiliation_strings":["Chinese Academy of Sciences, Key Laboratory of Electromagnetic Space Information, Hefei, China","Dept. of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Key Laboratory of Electromagnetic Space Information, Hefei, China","institution_ids":["https://openalex.org/I2802624667","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Dept. of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109274667","display_name":"Rong Zhang","orcid":"https://orcid.org/0009-0005-9350-5888"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I2802624667","display_name":"Hefei Institutes of Physical Science","ror":"https://ror.org/046n57345","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2802624667"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rong Zhang","raw_affiliation_strings":["Chinese Academy of Sciences, Key Laboratory of Electromagnetic Space Information, Hefei, China","Dept. of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Key Laboratory of Electromagnetic Space Information, Hefei, China","institution_ids":["https://openalex.org/I2802624667","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Dept. of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052660087","display_name":"Dawei Xu","orcid":"https://orcid.org/0000-0002-9984-4988"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]},{"id":"https://openalex.org/I2802624667","display_name":"Hefei Institutes of Physical Science","ror":"https://ror.org/046n57345","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2802624667"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dawei Xu","raw_affiliation_strings":["Chinese Academy of Sciences, Key Laboratory of Electromagnetic Space Information, Hefei, China","Dept. of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Key Laboratory of Electromagnetic Space Information, Hefei, China","institution_ids":["https://openalex.org/I2802624667","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Dept. of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5115444819"],"corresponding_institution_ids":["https://openalex.org/I126520041","https://openalex.org/I19820366","https://openalex.org/I2802624667"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.3272425,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"5","issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9987000226974487,"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"}},"topics":[{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9987000226974487,"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/T10689","display_name":"Remote-Sensing Image Classification","score":0.9987000226974487,"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":0.9966999888420105,"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":0.8730816841125488},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6880903244018555},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6130114793777466},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.5787197351455688},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.5590709447860718},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.551616907119751},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5130373239517212},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4734953045845032},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.47173061966896057},{"id":"https://openalex.org/keywords/decomposition","display_name":"Decomposition","score":0.420353502035141},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3981865644454956},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3859671354293823},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.1596769094467163},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.07789552211761475}],"concepts":[{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.8730816841125488},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6880903244018555},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6130114793777466},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.5787197351455688},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.5590709447860718},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.551616907119751},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5130373239517212},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4734953045845032},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.47173061966896057},{"id":"https://openalex.org/C124681953","wikidata":"https://www.wikidata.org/wiki/Q339062","display_name":"Decomposition","level":2,"score":0.420353502035141},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3981865644454956},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3859671354293823},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1596769094467163},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.07789552211761475},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/whispers.2014.8077501","is_oa":false,"landing_page_url":"https://doi.org/10.1109/whispers.2014.8077501","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 6th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing (WHISPERS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.800000011920929,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1988500921","https://openalex.org/W2036866440","https://openalex.org/W2100592466","https://openalex.org/W2127320676","https://openalex.org/W2142458747","https://openalex.org/W2158548804","https://openalex.org/W2167188281","https://openalex.org/W2313548276"],"related_works":["https://openalex.org/W2072166414","https://openalex.org/W3209970181","https://openalex.org/W2060875994","https://openalex.org/W3034375524","https://openalex.org/W4230131218","https://openalex.org/W2070598848","https://openalex.org/W2404757046","https://openalex.org/W2044184146","https://openalex.org/W4313014865","https://openalex.org/W2374021060"],"abstract_inverted_index":{"The":[0],"different":[1,10,54],"reflection":[2],"or":[3],"absorption":[4],"characteristics":[5],"of":[6,20,32,41,53],"ground":[7],"targets":[8],"at":[9],"wavelength":[11],"lead":[12],"to":[13],"diverse":[14],"energy":[15],"distribution":[16],"among":[17],"band":[18,48,68],"images":[19,22],"hyperspectral":[21],"(HSIs).":[23],"In":[24],"this":[25],"paper,":[26],"we":[27],"propose":[28],"a":[29],"sparse":[30],"representation":[31],"HSIs":[33],"using":[34,56,82,94,106],"learned":[35],"multi-scale":[36,73],"dictionaries":[37],"with":[38],"the":[39,42,76],"help":[40],"distinctive":[43],"physical":[44],"characteristics.":[45],"First,":[46],"each":[47],"is":[49],"cut":[50],"into":[51,64],"patches":[52,74,88],"size":[55],"quadtree":[57],"decomposition,":[58],"meanwhile":[59],"original":[60],"bands":[61,78,91],"are":[62,79,92],"divided":[63],"two":[65],"groups,":[66],"key":[67,77],"and":[69,104],"less-key":[70,90],"bands.":[71],"Then,":[72],"from":[75,89,118],"sparsely":[80],"coded":[81],"greedy":[83],"algorithm.":[84],"Finally,":[85],"those":[86],"image":[87],"approximated":[93],"pseudo":[95],"inverse.":[96],"Experiments":[97],"reveal":[98],"that":[99,105],"our":[100,119],"proposal":[101],"outperform":[102],"3D-DWT":[103],"single":[107],"scale":[108],"dictionary.":[109],"Some":[110],"applications":[111],"like":[112],"HISs":[113],"compression":[114],"will":[115],"be":[116],"benefit":[117],"approach.":[120]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}