{"id":"https://openalex.org/W1577807517","doi":"https://doi.org/10.1109/iscas.2004.1328899","title":"A locally-adaptive algorithm for measuring blocking artifacts in images and videos","display_name":"A locally-adaptive algorithm for measuring blocking artifacts in images and videos","publication_year":2004,"publication_date":"2004-01-01","ids":{"openalex":"https://openalex.org/W1577807517","doi":"https://doi.org/10.1109/iscas.2004.1328899","mag":"1577807517"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2004.1328899","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2004.1328899","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Symposium on Circuits and Systems (ISCAS)","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/A5022715637","display_name":"Feng Pan","orcid":"https://orcid.org/0000-0002-7927-456X"},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"F. Pan","raw_affiliation_strings":["Inst. for Infocomm Res., Singapore, Singapore","Inst. For Infocomm Res., Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inst. for Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]},{"raw_affiliation_string":"Inst. For Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100450510","display_name":"Xiao Lin","orcid":"https://orcid.org/0000-0001-8518-2293"},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"X. Lin","raw_affiliation_strings":["Inst. for Infocomm Res., Singapore, Singapore","Inst. For Infocomm Res., Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inst. for Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]},{"raw_affiliation_string":"Inst. For Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054558832","display_name":"Susanto Rahardja","orcid":"https://orcid.org/0000-0003-0831-6934"},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"S. Rahardja","raw_affiliation_strings":["Inst. for Infocomm Res., Singapore, Singapore","Inst. For Infocomm Res., Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inst. for Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]},{"raw_affiliation_string":"Inst. For Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100403129","display_name":"Weisi Lin","orcid":"https://orcid.org/0000-0001-9866-1947"},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"W. Lin","raw_affiliation_strings":["Inst. for Infocomm Res., Singapore, Singapore","Inst. For Infocomm Res., Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inst. for Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]},{"raw_affiliation_string":"Inst. For Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030565922","display_name":"Ee Ping Ong","orcid":"https://orcid.org/0000-0002-9239-8399"},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"E. Ong","raw_affiliation_strings":["Inst. for Infocomm Res., Singapore, Singapore","Inst. For Infocomm Res., Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inst. for Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]},{"raw_affiliation_string":"Inst. For Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111157886","display_name":"S. Yao","orcid":null},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"S. Yao","raw_affiliation_strings":["Inst. for Infocomm Res., Singapore, Singapore","Inst. For Infocomm Res., Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inst. for Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]},{"raw_affiliation_string":"Inst. For Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064390827","display_name":"Zhongkang Lu","orcid":"https://orcid.org/0000-0001-7379-3193"},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Z. Lu","raw_affiliation_strings":["Inst. for Infocomm Res., Singapore, Singapore","Inst. For Infocomm Res., Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inst. for Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]},{"raw_affiliation_string":"Inst. For Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019708391","display_name":"Xiaokang Yang","orcid":"https://orcid.org/0000-0003-4029-3322"},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"X. Yang","raw_affiliation_strings":["Inst. for Infocomm Res., Singapore, Singapore","Inst. For Infocomm Res., Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inst. for Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]},{"raw_affiliation_string":"Inst. For Infocomm Res., Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.105,"has_fulltext":false,"cited_by_count":35,"citation_normalized_percentile":{"value":0.78267931,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"III","last_page":"925"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11165","display_name":"Image and Video Quality Assessment","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/T11165","display_name":"Image and Video Quality Assessment","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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9997000098228455,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9995999932289124,"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/blocking","display_name":"Blocking (statistics)","score":0.8265501260757446},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.764441967010498},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6639243364334106},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.6153897047042847},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.560560405254364},{"id":"https://openalex.org/keywords/blocking-effect","display_name":"Blocking effect","score":0.5190427899360657},{"id":"https://openalex.org/keywords/transform-coding","display_name":"Transform coding","score":0.5121634006500244},{"id":"https://openalex.org/keywords/bit-rate","display_name":"Bit rate","score":0.5116296410560608},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5030617117881775},{"id":"https://openalex.org/keywords/artifact","display_name":"Artifact (error)","score":0.46526411175727844},{"id":"https://openalex.org/keywords/image-compression","display_name":"Image compression","score":0.46421244740486145},{"id":"https://openalex.org/keywords/measure","display_name":"Measure (data warehouse)","score":0.4534095525741577},{"id":"https://openalex.org/keywords/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.44065308570861816},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4206061065196991},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.39234480261802673},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.30705538392066956},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.16027256846427917},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14542773365974426}],"concepts":[{"id":"https://openalex.org/C144745244","wikidata":"https://www.wikidata.org/wiki/Q4927286","display_name":"Blocking (statistics)","level":2,"score":0.8265501260757446},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.764441967010498},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6639243364334106},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.6153897047042847},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.560560405254364},{"id":"https://openalex.org/C23186085","wikidata":"https://www.wikidata.org/wiki/Q22906809","display_name":"Blocking effect","level":2,"score":0.5190427899360657},{"id":"https://openalex.org/C169805256","wikidata":"https://www.wikidata.org/wiki/Q1361381","display_name":"Transform coding","level":4,"score":0.5121634006500244},{"id":"https://openalex.org/C2987812609","wikidata":"https://www.wikidata.org/wiki/Q194158","display_name":"Bit rate","level":2,"score":0.5116296410560608},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5030617117881775},{"id":"https://openalex.org/C2779010991","wikidata":"https://www.wikidata.org/wiki/Q2720909","display_name":"Artifact (error)","level":2,"score":0.46526411175727844},{"id":"https://openalex.org/C13481523","wikidata":"https://www.wikidata.org/wiki/Q412438","display_name":"Image compression","level":4,"score":0.46421244740486145},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.4534095525741577},{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.44065308570861816},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4206061065196991},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.39234480261802673},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.30705538392066956},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.16027256846427917},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14542773365974426},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C138496976","wikidata":"https://www.wikidata.org/wiki/Q175002","display_name":"Developmental psychology","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas.2004.1328899","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2004.1328899","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Symposium on Circuits and Systems (ISCAS)","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":13,"referenced_works":["https://openalex.org/W1556611829","https://openalex.org/W1575566090","https://openalex.org/W1591127930","https://openalex.org/W2104350111","https://openalex.org/W2107476778","https://openalex.org/W2113045514","https://openalex.org/W2127007691","https://openalex.org/W2139982251","https://openalex.org/W2154005911","https://openalex.org/W2168756588","https://openalex.org/W3182211633","https://openalex.org/W6630279123","https://openalex.org/W6676199892"],"related_works":["https://openalex.org/W2094583657","https://openalex.org/W2491249752","https://openalex.org/W1594300462","https://openalex.org/W1606460848","https://openalex.org/W2158009109","https://openalex.org/W2115252864","https://openalex.org/W1706111048","https://openalex.org/W2129927873","https://openalex.org/W2112852877","https://openalex.org/W2772846670"],"abstract_inverted_index":{"Block":[0],"transform":[1],"coding":[2,33],"is":[3,74,118,137],"the":[4,24,58,66,79,82,95,104,107,114,121],"most":[5],"popular":[6],"approach":[7],"for":[8,41,98,106],"image":[9,30,83],"and":[10,27,31,47,52,103,130,145,148],"video":[11,32],"compression.":[12],"The":[13],"objective":[14],"measurement":[15],"of":[16,29,68,123,142],"blocking":[17,43,69,96,115,152],"artifacts":[18,44,70,97,116,153],"plays":[19],"an":[20],"important":[21],"role":[22],"in":[23,45,78,120,140],"design,":[25],"optimization,":[26],"assessment":[28],"systems.":[34],"This":[35],"paper":[36],"presents":[37],"a":[38,75],"new":[39],"algorithm":[40,77],"measuring":[42],"images":[46,102,129],"videos.":[48],"It":[49],"exhibits":[50],"unique":[51],"useful":[53],"features:":[54],"1)":[55],"it":[56,63,73,91],"examines":[57],"blocks":[59],"individually":[60],"so":[61],"that":[62,81,133],"can":[64,149],"measure":[65,117,136],"severity":[67],"locally;":[71],"2)":[72],"one-pass":[76],"sense":[80],"needs":[84],"to":[85],"be":[86],"accessed":[87],"only":[88],"once;":[89],"3)":[90],"takes":[92],"into":[93],"account":[94],"high":[99],"bit":[100,110],"rate":[101,111],"flatness":[105],"very":[108,138],"low":[109],"images;":[112],"4)":[113],"well-defined":[119],"range":[122],"0-10.":[124],"Experiments":[125],"on":[126],"various":[127],"still":[128],"videos":[131],"show":[132],"this":[134],"blockiness":[135],"efficient":[139],"terms":[141],"computational":[143],"complexity":[144],"memory":[146],"usage,":[147],"produce":[150],"consistent":[151],"measurement.":[154]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
