{"id":"https://openalex.org/W2139530757","doi":"https://doi.org/10.1109/ispacs.2012.6473498","title":"L<inf>1</inf> norm of high frequency components as a regularization term for compressed sensing reconstruction of image signals","display_name":"L<inf>1</inf> norm of high frequency components as a regularization term for compressed sensing reconstruction of image signals","publication_year":2012,"publication_date":"2012-11-01","ids":{"openalex":"https://openalex.org/W2139530757","doi":"https://doi.org/10.1109/ispacs.2012.6473498","mag":"2139530757"},"language":"en","primary_location":{"id":"doi:10.1109/ispacs.2012.6473498","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ispacs.2012.6473498","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 International Symposium on Intelligent Signal Processing and Communications Systems","raw_type":"proceedings-article"},"type":"conference-paper","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/A5054073711","display_name":"Suwichaya Suwanwimolkul","orcid":"https://orcid.org/0000-0001-7369-9711"},"institutions":[{"id":"https://openalex.org/I158708052","display_name":"Chulalongkorn University","ror":"https://ror.org/028wp3y58","country_code":"TH","type":"education","lineage":["https://openalex.org/I158708052"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Suwichaya Suwanwimolkul","raw_affiliation_strings":["Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand","[Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand","institution_ids":["https://openalex.org/I158708052"]},{"raw_affiliation_string":"[Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand]","institution_ids":["https://openalex.org/I158708052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033554751","display_name":"Jitkomut Songsiri","orcid":"https://orcid.org/0000-0002-2715-8305"},"institutions":[{"id":"https://openalex.org/I158708052","display_name":"Chulalongkorn University","ror":"https://ror.org/028wp3y58","country_code":"TH","type":"education","lineage":["https://openalex.org/I158708052"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Jitkomut Songsiri","raw_affiliation_strings":["Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand","[Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand","institution_ids":["https://openalex.org/I158708052"]},{"raw_affiliation_string":"[Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand]","institution_ids":["https://openalex.org/I158708052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081039616","display_name":"Parichat Sermwuthisarn","orcid":null},"institutions":[{"id":"https://openalex.org/I158708052","display_name":"Chulalongkorn University","ror":"https://ror.org/028wp3y58","country_code":"TH","type":"education","lineage":["https://openalex.org/I158708052"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Parichat Sermwuthisarn","raw_affiliation_strings":["Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand","[Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand","institution_ids":["https://openalex.org/I158708052"]},{"raw_affiliation_string":"[Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand]","institution_ids":["https://openalex.org/I158708052"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048267182","display_name":"Supatana Auethavekiat","orcid":"https://orcid.org/0000-0002-6642-766X"},"institutions":[{"id":"https://openalex.org/I158708052","display_name":"Chulalongkorn University","ror":"https://ror.org/028wp3y58","country_code":"TH","type":"education","lineage":["https://openalex.org/I158708052"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Supatana Auethavekiat","raw_affiliation_strings":["Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand","[Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand","institution_ids":["https://openalex.org/I158708052"]},{"raw_affiliation_string":"[Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand]","institution_ids":["https://openalex.org/I158708052"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I158708052"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.26229508,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"290","last_page":"295"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":1.0,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9993000030517578,"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/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"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/compressed-sensing","display_name":"Compressed sensing","score":0.8519091010093689},{"id":"https://openalex.org/keywords/norm","display_name":"Norm (philosophy)","score":0.6479357481002808},{"id":"https://openalex.org/keywords/signal-reconstruction","display_name":"Signal reconstruction","score":0.6282672882080078},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.5547875165939331},{"id":"https://openalex.org/keywords/regularization","display_name":"Regularization (linguistics)","score":0.5531665682792664},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.49712470173835754},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.4801163673400879},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.46786049008369446},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4655948579311371},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.4434177875518799},{"id":"https://openalex.org/keywords/term","display_name":"Term (time)","score":0.4386938512325287},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3629509210586548},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.25937986373901367},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.18603959679603577},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08179694414138794},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.0802936851978302}],"concepts":[{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.8519091010093689},{"id":"https://openalex.org/C191795146","wikidata":"https://www.wikidata.org/wiki/Q3878446","display_name":"Norm (philosophy)","level":2,"score":0.6479357481002808},{"id":"https://openalex.org/C70958404","wikidata":"https://www.wikidata.org/wiki/Q7512728","display_name":"Signal reconstruction","level":4,"score":0.6282672882080078},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.5547875165939331},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.5531665682792664},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49712470173835754},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.4801163673400879},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.46786049008369446},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4655948579311371},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.4434177875518799},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.4386938512325287},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3629509210586548},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.25937986373901367},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.18603959679603577},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08179694414138794},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0802936851978302},{"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/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ispacs.2012.6473498","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ispacs.2012.6473498","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 International Symposium on Intelligent Signal Processing and Communications Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.49000000953674316,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1972096025","https://openalex.org/W1975260365","https://openalex.org/W2005995344","https://openalex.org/W2049502219","https://openalex.org/W2053930370","https://openalex.org/W2075394305","https://openalex.org/W2078204800","https://openalex.org/W2107707537","https://openalex.org/W2108260004","https://openalex.org/W2119667497","https://openalex.org/W2121058967","https://openalex.org/W2125680629","https://openalex.org/W2146842127","https://openalex.org/W2166000574","https://openalex.org/W2170507371","https://openalex.org/W3125735862","https://openalex.org/W4250955649"],"related_works":["https://openalex.org/W2378166785","https://openalex.org/W2156466545","https://openalex.org/W2379468505","https://openalex.org/W3104324607","https://openalex.org/W4206981968","https://openalex.org/W1987102304","https://openalex.org/W4285251805","https://openalex.org/W2537887767","https://openalex.org/W1606356673","https://openalex.org/W2601968125"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"a":[3,7,29,53,66,131,146,157],"formulation":[4,22,129],"of":[5,60,92,151,172],"estimating":[6],"sparse":[8,77,115],"image":[9,73],"signal":[10,32,55,74,109,162],"where":[11,90,160],"the":[12,17,57,61,69,108,119,152,169,176],"sparsity":[13,67],"only":[14,106],"occurs":[15],"on":[16,42,52,107],"high":[18,79],"frequency":[19,80,88,122],"components.":[20],"The":[21,38,127,143],"is":[23,33,40,84,99,130],"for":[24],"compressed":[25,30],"sensing":[26],"reconstruction":[27,177],"when":[28],"measurement":[31],"contaminated":[34],"by":[35,139,166],"impulsive":[36,148],"noise.":[37],"approach":[39,98],"based":[41],"two":[43],"prior":[44],"well-known":[45],"assumptions.":[46],"First,":[47],"adding":[48],"an":[49,72,103],"L1-norm":[50,104],"penalty":[51,105,154],"compressible":[54],"to":[56,101,113,124,156],"cost":[58],"objective":[59],"estimation":[62],"problem":[63],"will":[64],"promote":[65],"in":[68,78,86],"signal.":[70],"Secondly,":[71],"should":[75],"be":[76,114,125,136],"domain,":[81],"while":[82,116],"it":[83],"dense":[85],"low":[87,121],"domain":[89],"most":[91],"its":[93],"important":[94,120],"information":[95],"lies.":[96],"Our":[97],"therefore":[100],"impose":[102],"components":[110,163],"that":[111],"need":[112],"we":[117],"allow":[118],"part":[123],"dense.":[126],"obtained":[128],"convex":[132],"optimization":[133],"which":[134],"can":[135],"effectively":[137],"solved":[138],"many":[140],"available":[141],"algorithms.":[142],"experiment":[144],"demonstrated":[145],"superior":[147],"noise":[149,170],"tolerance":[150],"proposed":[153],"function":[155],"conventional":[158],"scheme":[159],"all":[161],"are":[164],"penalized":[165],"L1-norm.":[167],"At":[168],"probability":[171],"less":[173],"than":[174],"0.1,":[175],"was":[178],"better":[179],"both":[180],"quantitatively":[181],"and":[182],"qualitatively.":[183]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}