{"id":"https://openalex.org/W2047576951","doi":"https://doi.org/10.1109/icip.2012.6466952","title":"Learning doubly sparse transforms for image representation","display_name":"Learning doubly sparse transforms for image representation","publication_year":2012,"publication_date":"2012-09-01","ids":{"openalex":"https://openalex.org/W2047576951","doi":"https://doi.org/10.1109/icip.2012.6466952","mag":"2047576951"},"language":"en","primary_location":{"id":"doi:10.1109/icip.2012.6466952","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2012.6466952","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 19th IEEE International Conference on Image Processing","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/A5111562177","display_name":"Saiprasad Ravishankar","orcid":null},"institutions":[{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Saiprasad Ravishankar","raw_affiliation_strings":["Department of Electrical and Computer Engineering and the Coordinated Science Laboratory, University of Illinois, Urbana-Champaign, IL, USA","Department of Electrical and Computer Engineering and the Coordinated Science Laboratory, University of Illinois at Urbana-Champaign, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering and the Coordinated Science Laboratory, University of Illinois, Urbana-Champaign, IL, USA","institution_ids":["https://openalex.org/I157725225"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering and the Coordinated Science Laboratory, University of Illinois at Urbana-Champaign, USA","institution_ids":["https://openalex.org/I157725225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026523226","display_name":"Yoram Bresler","orcid":"https://orcid.org/0000-0002-9738-1094"},"institutions":[{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yoram Bresler","raw_affiliation_strings":["Department of Electrical and Computer Engineering and the Coordinated Science Laboratory, University of Illinois, Urbana-Champaign, IL, USA","Department of Electrical and Computer Engineering and the Coordinated Science Laboratory, University of Illinois at Urbana-Champaign, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering and the Coordinated Science Laboratory, University of Illinois, Urbana-Champaign, IL, USA","institution_ids":["https://openalex.org/I157725225"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering and the Coordinated Science Laboratory, University of Illinois at Urbana-Champaign, USA","institution_ids":["https://openalex.org/I157725225"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.2211,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.89201841,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"54","issue":null,"first_page":"685","last_page":"688"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":1.0,"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":1.0,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.9994000196456909,"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/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.8369371891021729},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6333196759223938},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6023827791213989},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.5980103015899658},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.5821878910064697},{"id":"https://openalex.org/keywords/image-compression","display_name":"Image compression","score":0.5309846997261047},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5262443423271179},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.5178773403167725},{"id":"https://openalex.org/keywords/transform-coding","display_name":"Transform coding","score":0.4576427638530731},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.45178210735321045},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.4514044523239136},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.41672733426094055},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4128149151802063},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.41028547286987305},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.34657782316207886},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.34183889627456665},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.26171016693115234}],"concepts":[{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.8369371891021729},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6333196759223938},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6023827791213989},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.5980103015899658},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.5821878910064697},{"id":"https://openalex.org/C13481523","wikidata":"https://www.wikidata.org/wiki/Q412438","display_name":"Image compression","level":4,"score":0.5309846997261047},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5262443423271179},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.5178773403167725},{"id":"https://openalex.org/C169805256","wikidata":"https://www.wikidata.org/wiki/Q1361381","display_name":"Transform coding","level":4,"score":0.4576427638530731},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.45178210735321045},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.4514044523239136},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.41672733426094055},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4128149151802063},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.41028547286987305},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.34657782316207886},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.34183889627456665},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.26171016693115234},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icip.2012.6466952","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2012.6466952","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 19th IEEE International Conference on Image Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education","score":0.7099999785423279}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1974573498","https://openalex.org/W2099321050","https://openalex.org/W2107844156","https://openalex.org/W2149974988","https://openalex.org/W2153663612","https://openalex.org/W2160547390","https://openalex.org/W2163398148","https://openalex.org/W2168668658","https://openalex.org/W6682009426"],"related_works":["https://openalex.org/W2094583657","https://openalex.org/W1594300462","https://openalex.org/W2158009109","https://openalex.org/W1606460848","https://openalex.org/W1706111048","https://openalex.org/W2772846670","https://openalex.org/W2112852877","https://openalex.org/W2034796835","https://openalex.org/W3188631569","https://openalex.org/W2258231948"],"abstract_inverted_index":{"The":[0],"sparsity":[1],"of":[2,49,79,111],"images":[3],"in":[4,20,23,43],"a":[5,60,77,80],"fixed":[6],"analytic":[7,83],"transform":[8,84],"domain":[9],"or":[10,15,71],"dictionary":[11],"such":[12,85,120],"as":[13,86,114,121],"DCT":[14,122],"Wavelets":[16],"has":[17,53],"been":[18],"exploited":[19],"many":[21],"applications":[22],"image":[24,27,44,72,124],"processing":[25],"including":[26],"compression.":[28],"Recently,":[29],"synthesis":[30],"sparsifying":[31,51,118],"dictionaries":[32],"that":[33],"are":[34,76],"directly":[35],"adapted":[36],"to":[37,94,116],"the":[38,47,87,108],"data":[39],"have":[40],"become":[41],"popular":[42],"processing.":[45],"However,":[46],"idea":[48],"learning":[50,65],"transforms":[52,68,75,98,119],"received":[54],"only":[55],"little":[56],"attention.":[57],"We":[58,106],"propose":[59],"novel":[61],"problem":[62],"formulation":[63],"for":[64,69,123],"doubly":[66],"sparse":[67],"signals":[70],"patches.":[73],"These":[74],"product":[78],"fixed,":[81],"fast":[82],"DCT,":[88],"and":[89,103],"an":[90],"adaptive":[91],"matrix":[92],"constrained":[93],"be":[95,100],"sparse.":[96],"Such":[97],"can":[99],"learnt,":[101],"stored,":[102],"implemented":[104],"efficiently.":[105],"show":[107],"superior":[109],"promise":[110],"our":[112],"approach":[113],"compared":[115],"analytical":[117],"representation.":[125]},"counts_by_year":[{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}