{"id":"https://openalex.org/W1986680430","doi":"https://doi.org/10.1109/icassp.2002.5745673","title":"Estimating image blur in the wavelet domain","display_name":"Estimating image blur in the wavelet domain","publication_year":2002,"publication_date":"2002-05-01","ids":{"openalex":"https://openalex.org/W1986680430","doi":"https://doi.org/10.1109/icassp.2002.5745673","mag":"1986680430"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2002.5745673","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2002.5745673","pdf_url":null,"source":{"id":"https://openalex.org/S4363607879","display_name":"IEEE International Conference on Acoustics Speech and Signal Processing","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International Conference on Acoustics Speech and Signal 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/A5083791073","display_name":"Filip Rooms","orcid":null},"institutions":[{"id":"https://openalex.org/I2801227569","display_name":"Ghent University Hospital","ror":"https://ror.org/00xmkp704","country_code":"BE","type":"healthcare","lineage":["https://openalex.org/I2801227569"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"Filip Rooms","raw_affiliation_strings":["Ghent University, Belgium"],"affiliations":[{"raw_affiliation_string":"Ghent University, Belgium","institution_ids":["https://openalex.org/I2801227569"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5083791073"],"corresponding_institution_ids":["https://openalex.org/I2801227569"],"apc_list":null,"apc_paid":null,"fwci":5.0138,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.93357934,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"IV","last_page":"4190"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13114","display_name":"Image Processing Techniques and Applications","score":0.9993000030517578,"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"}},"topics":[{"id":"https://openalex.org/T13114","display_name":"Image Processing Techniques and Applications","score":0.9993000030517578,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9959999918937683,"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":0.9824000000953674,"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/gaussian-blur","display_name":"Gaussian blur","score":0.7753162384033203},{"id":"https://openalex.org/keywords/image-restoration","display_name":"Image restoration","score":0.6461063623428345},{"id":"https://openalex.org/keywords/smoothness","display_name":"Smoothness","score":0.6277143359184265},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.6049816012382507},{"id":"https://openalex.org/keywords/point-spread-function","display_name":"Point spread function","score":0.5998310446739197},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5775995850563049},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5691895484924316},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5646792650222778},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.5622633695602417},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.5566690564155579},{"id":"https://openalex.org/keywords/autofocus","display_name":"Autofocus","score":0.45485615730285645},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4546603858470917},{"id":"https://openalex.org/keywords/deblurring","display_name":"Deblurring","score":0.43035683035850525},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4257747530937195},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.27996113896369934},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2120627462863922},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.14370056986808777},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.14025098085403442}],"concepts":[{"id":"https://openalex.org/C104317376","wikidata":"https://www.wikidata.org/wiki/Q1894545","display_name":"Gaussian blur","level":5,"score":0.7753162384033203},{"id":"https://openalex.org/C106430172","wikidata":"https://www.wikidata.org/wiki/Q6002272","display_name":"Image restoration","level":4,"score":0.6461063623428345},{"id":"https://openalex.org/C102634674","wikidata":"https://www.wikidata.org/wiki/Q868473","display_name":"Smoothness","level":2,"score":0.6277143359184265},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.6049816012382507},{"id":"https://openalex.org/C69179731","wikidata":"https://www.wikidata.org/wiki/Q510427","display_name":"Point spread function","level":2,"score":0.5998310446739197},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5775995850563049},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5691895484924316},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5646792650222778},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.5622633695602417},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.5566690564155579},{"id":"https://openalex.org/C103764139","wikidata":"https://www.wikidata.org/wiki/Q210008","display_name":"Autofocus","level":3,"score":0.45485615730285645},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4546603858470917},{"id":"https://openalex.org/C2777693668","wikidata":"https://www.wikidata.org/wiki/Q25053743","display_name":"Deblurring","level":5,"score":0.43035683035850525},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4257747530937195},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.27996113896369934},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2120627462863922},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14370056986808777},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.14025098085403442},{"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/icassp.2002.5745673","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2002.5745673","pdf_url":null,"source":{"id":"https://openalex.org/S4363607879","display_name":"IEEE International Conference on Acoustics Speech and Signal Processing","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International Conference on Acoustics Speech and Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","score":0.5299999713897705,"display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1871439385","https://openalex.org/W1997814978","https://openalex.org/W2004217976","https://openalex.org/W2099395513","https://openalex.org/W2104564430","https://openalex.org/W2110371742","https://openalex.org/W2115755118","https://openalex.org/W2145023731","https://openalex.org/W2152328854","https://openalex.org/W2156579951","https://openalex.org/W2164601752"],"related_works":["https://openalex.org/W2279059587","https://openalex.org/W2031788393","https://openalex.org/W2982126779","https://openalex.org/W2127710167","https://openalex.org/W1597170061","https://openalex.org/W2371693281","https://openalex.org/W1510811194","https://openalex.org/W2144336166","https://openalex.org/W4302018023","https://openalex.org/W2093135544"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"a":[3,43,63],"wavelet":[4],"based":[5],"method":[6,104],"is":[7,49,57,70],"proposed":[8],"to":[9,59,88,108],"estimate":[10,89],"the":[11,20,26,29,33,40,46,60,74,77,82,90,93,97,103],"blur":[12,75,94,112],"in":[13,19,32,76],"an":[14],"image":[15,21,78,83,98],"using":[16],"information":[17,38],"contained":[18],"itself.":[22,99],"We":[23],"look":[24],"at":[25],"sharpness":[27],"of":[28,62,92,111],"sharpest":[30,53],"edges":[31],"blurred":[34],"image,":[35],"which":[36],"contain":[37],"about":[39],"blurring.":[41],"Specifically,":[42],"smoothness":[44],"measure,":[45],"Lipschitz":[47],"exponent,":[48],"computed":[50],"for":[51],"these":[52],"edges.":[54],"Its":[55],"value":[56,69],"related":[58],"variance":[61,91],"gaussian":[64],"point":[65],"spread":[66],"function.":[67],"This":[68,85],"only":[71],"dependent":[72],"on":[73,81],"and":[79],"not":[80],"contents.":[84],"allows":[86],"us":[87],"directly":[95],"from":[96],"With":[100],"minor":[101],"modifications,":[102],"can":[105],"be":[106],"extended":[107],"other":[109],"types":[110],"that":[113],"are":[114],"described":[115],"by":[116],"one":[117],"parameter":[118],"(airy":[119],"disks,":[120],"out-of-focus":[121],"blur,":[122],"\u2026).":[123]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}