{"id":"https://openalex.org/W2166670592","doi":"https://doi.org/10.1109/icip.2008.4712469","title":"Regularized dequantization for image copies compressed with different quantization parameters","display_name":"Regularized dequantization for image copies compressed with different quantization parameters","publication_year":2008,"publication_date":"2008-01-01","ids":{"openalex":"https://openalex.org/W2166670592","doi":"https://doi.org/10.1109/icip.2008.4712469","mag":"2166670592"},"language":"en","primary_location":{"id":"doi:10.1109/icip.2008.4712469","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2008.4712469","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 15th IEEE International Conference on Image Processing","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/A5103789364","display_name":"Gao Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Gao Yang","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011971193","display_name":"Ci Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Ci Wang","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103379503","display_name":"Yap\u2010Peng Tan","orcid":"https://orcid.org/0000-0002-0645-9109"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yap-Peng Tan","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I172675005"],"apc_list":null,"apc_paid":null,"fwci":0.2607,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.51348944,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"3172","last_page":"3175"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing Techniques","score":0.9983000159263611,"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":0.9983000159263611,"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":0.9977999925613403,"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/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9976000189781189,"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/quantization","display_name":"Quantization (signal processing)","score":0.7896371483802795},{"id":"https://openalex.org/keywords/vector-quantization","display_name":"Vector quantization","score":0.7520629167556763},{"id":"https://openalex.org/keywords/regularization","display_name":"Regularization (linguistics)","score":0.714027464389801},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.631815493106842},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.5665654540061951},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5180297493934631},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.46594110131263733},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.46401748061180115},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4560052156448364},{"id":"https://openalex.org/keywords/image-quality","display_name":"Image quality","score":0.42334139347076416},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4056846499443054},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.35079291462898254}],"concepts":[{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.7896371483802795},{"id":"https://openalex.org/C199833920","wikidata":"https://www.wikidata.org/wiki/Q612536","display_name":"Vector quantization","level":2,"score":0.7520629167556763},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.714027464389801},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.631815493106842},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.5665654540061951},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5180297493934631},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.46594110131263733},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.46401748061180115},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4560052156448364},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.42334139347076416},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4056846499443054},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.35079291462898254}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icip.2008.4712469","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2008.4712469","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 15th IEEE International Conference on Image Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W2018942646","https://openalex.org/W2110691818","https://openalex.org/W2118344463","https://openalex.org/W2125095611","https://openalex.org/W2125350829","https://openalex.org/W2137995401","https://openalex.org/W2138722660","https://openalex.org/W2153797887","https://openalex.org/W2156291710","https://openalex.org/W2157992185","https://openalex.org/W2162461247"],"related_works":["https://openalex.org/W2158224665","https://openalex.org/W2379589510","https://openalex.org/W2810730439","https://openalex.org/W4300044672","https://openalex.org/W1881631164","https://openalex.org/W2358292267","https://openalex.org/W2378166785","https://openalex.org/W2121067345","https://openalex.org/W3209251257","https://openalex.org/W2896778670"],"abstract_inverted_index":{"A":[0],"single":[1],"source":[2],"image":[3,68],"can":[4,100],"be":[5],"compressed":[6],"into":[7],"many":[8],"different":[9,12],"copies":[10,26],"with":[11],"quantization":[13,62],"parameters.":[14],"An":[15],"end":[16],"user":[17],"may":[18],"have":[19],"access":[20],"to":[21,34,41,50],"a":[22],"few":[23],"of":[24,73,83,105],"such":[25,67],"(e.g.,":[27],"over":[28],"the":[29,52,60,71,81,97,103,106],"Internet),":[30],"but":[31],"would":[32],"like":[33],"obtain":[35],"one":[36],"that":[37,96],"has":[38],"superior":[39],"quality":[40,54,104],"any":[42],"available":[43],"copy.":[44],"We":[45],"propose":[46],"in":[47,109],"this":[48],"paper":[49],"improve":[51,102],"reconstruction":[53],"by":[55,88],"using":[56],"regularization":[57,87],"and":[58,112],"refining":[59],"narrowed":[61],"constraint":[63],"set":[64],"(NQCS)":[65],"from":[66],"copies.":[69],"Since":[70],"size":[72],"NQCS":[74],"is":[75],"generally":[76],"large,":[77],"we":[78],"also":[79],"discuss":[80],"estimation":[82],"initial":[84],"images":[85,108],"for":[86],"applying":[89],"proper":[90],"probability":[91],"models.":[92],"Experimental":[93],"results":[94],"show":[95],"proposed":[98],"scheme":[99],"consistently":[101],"reconstructed":[107],"both":[110],"subjective":[111],"objective":[113],"terms.":[114]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}