{"id":"https://openalex.org/W2095391077","doi":"https://doi.org/10.1145/2632856.2632864","title":"Image Super-resolution Based on Sparse Representation With Joint Constraints","display_name":"Image Super-resolution Based on Sparse Representation With Joint Constraints","publication_year":2014,"publication_date":"2014-07-10","ids":{"openalex":"https://openalex.org/W2095391077","doi":"https://doi.org/10.1145/2632856.2632864","mag":"2095391077"},"language":"en","primary_location":{"id":"doi:10.1145/2632856.2632864","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2632856.2632864","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of International Conference on Internet Multimedia Computing and Service","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/A5100759653","display_name":"Jie Xu","orcid":"https://orcid.org/0000-0002-7123-8919"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jie Xu","raw_affiliation_strings":["School of Electronic Engineering, Xidian University, Xi'an 710071, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Xidian University, Xi'an 710071, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015874725","display_name":"Cheng Deng","orcid":"https://orcid.org/0000-0003-2620-3247"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cheng Deng","raw_affiliation_strings":["School of Electronic Engineering, Xidian University, Xi'an 710071, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Xidian University, Xi'an 710071, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024067284","display_name":"Xianglong Liu","orcid":"https://orcid.org/0000-0002-7618-3275"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xianglong Liu","raw_affiliation_strings":["State Key Lab of Software Development Environment, Beihang University, Beijing 100191, China","State Key Lab of Software Development Environment, Beihang University, Beijing 100191, China#TAB#"],"affiliations":[{"raw_affiliation_string":"State Key Lab of Software Development Environment, Beihang University, Beijing 100191, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"State Key Lab of Software Development Environment, Beihang University, Beijing 100191, China#TAB#","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089770704","display_name":"Jie Li","orcid":"https://orcid.org/0000-0002-4063-9381"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Li","raw_affiliation_strings":["School of Electronic Engineering, Xidian University, Xi'an 710071, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Xidian University, Xi'an 710071, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100759653"],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.15444394,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"381","last_page":"385"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing Techniques","score":0.9998999834060669,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9998999834060669,"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/T13114","display_name":"Image Processing Techniques and Applications","score":0.9969000220298767,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9930999875068665,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.8264460563659668},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7035866379737854},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6850764751434326},{"id":"https://openalex.org/keywords/redundancy","display_name":"Redundancy (engineering)","score":0.6652873754501343},{"id":"https://openalex.org/keywords/histogram","display_name":"Histogram","score":0.6087837219238281},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.5356252789497375},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5285571813583374},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5169086456298828},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.4881654381752014},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.48613807559013367},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.4697214663028717},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.41315409541130066}],"concepts":[{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.8264460563659668},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7035866379737854},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6850764751434326},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.6652873754501343},{"id":"https://openalex.org/C53533937","wikidata":"https://www.wikidata.org/wiki/Q185020","display_name":"Histogram","level":3,"score":0.6087837219238281},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.5356252789497375},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5285571813583374},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5169086456298828},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.4881654381752014},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.48613807559013367},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.4697214663028717},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.41315409541130066},{"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},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"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/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2632856.2632864","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2632856.2632864","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of International Conference on Internet Multimedia Computing and Service","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.5,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1514248469","https://openalex.org/W1976709621","https://openalex.org/W1977581467","https://openalex.org/W1981199328","https://openalex.org/W2008357395","https://openalex.org/W2049237558","https://openalex.org/W2058523468","https://openalex.org/W2085692415","https://openalex.org/W2087380704","https://openalex.org/W2097074225","https://openalex.org/W2097200430","https://openalex.org/W2099470017","https://openalex.org/W2114710155","https://openalex.org/W2117865218","https://openalex.org/W2118963448","https://openalex.org/W2136396015","https://openalex.org/W2138714160","https://openalex.org/W2140257560","https://openalex.org/W2156825886","https://openalex.org/W2168765007","https://openalex.org/W2534320940","https://openalex.org/W3104720471","https://openalex.org/W4246999471"],"related_works":["https://openalex.org/W2107628111","https://openalex.org/W2394004323","https://openalex.org/W2398764543","https://openalex.org/W1495042958","https://openalex.org/W2494338568","https://openalex.org/W2027335291","https://openalex.org/W4210328553","https://openalex.org/W1980417906","https://openalex.org/W2122678784","https://openalex.org/W2537408670"],"abstract_inverted_index":{"Learning-based":[0],"image":[1,37,54],"super-resolution":[2],"(SR)":[3],"methods":[4],"are":[5,72],"prone":[6],"to":[7,19,57,93],"introduce":[8],"artifacts":[9],"into":[10,74],"resultant":[11],"high-resolution":[12],"(HR)":[13],"images,":[14],"while":[15],"reconstruction-based":[16],"ones":[17],"tend":[18],"blur":[20],"fine-grained":[21],"parts":[22],"and":[23,68,97],"result":[24],"in":[25,51,89],"unnatural":[26],"results.":[27],"To":[28],"solve":[29],"these":[30],"problems,":[31],"this":[32],"paper":[33],"proposes":[34],"a":[35,75,77,99],"novel":[36],"SR":[38,101],"algorithm":[39],"based":[40],"on":[41],"sparse":[42,59],"representation":[43,60],"with":[44],"joint":[45],"constraints.":[46],"The":[47],"self-similar":[48],"redundancy":[49],"structure":[50],"input":[52,88],"LR":[53,87],"is":[55],"learned":[56],"construct":[58],"dictionary.":[61],"Sparse":[62],"representation,":[63],"gradient":[64],"histogram":[65],"preservation":[66],"(GHP)":[67],"non-local":[69],"means":[70],"(NLMs)":[71],"incorporated":[73],"maximum":[76],"posterior":[78],"(MAP)":[79],"estimation":[80],"framework.":[81],"Then,":[82],"we":[83],"gradually":[84],"magnify":[85],"the":[86,90,94,107,111],"current":[91],"frame":[92],"desired":[95],"size":[96],"obtain":[98],"high-quality":[100],"image.":[102],"Experimental":[103],"results":[104],"demonstrate":[105],"that":[106],"proposed":[108],"method":[109],"outperforms":[110],"state-of-the-arts.":[112]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}