{"id":"https://openalex.org/W4308236197","doi":"https://doi.org/10.1109/icip46576.2022.9897666","title":"Adaptive Loop Filter with a CNN-Based Classification","display_name":"Adaptive Loop Filter with a CNN-Based Classification","publication_year":2022,"publication_date":"2022-10-16","ids":{"openalex":"https://openalex.org/W4308236197","doi":"https://doi.org/10.1109/icip46576.2022.9897666"},"language":"en","primary_location":{"id":"doi:10.1109/icip46576.2022.9897666","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip46576.2022.9897666","pdf_url":null,"source":{"id":"https://openalex.org/S4363607719","display_name":"2022 IEEE International Conference on Image Processing (ICIP)","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":"2022 IEEE International Conference on Image Processing (ICIP)","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/A5103166353","display_name":"Wang\u2010Q Lim","orcid":"https://orcid.org/0000-0002-0934-5721"},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Wang-Q Lim","raw_affiliation_strings":["Fraunhofer Heinrich Hertz Institute (HHI),Video Coding &#x0026; Analytics Department,Berlin,Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Heinrich Hertz Institute (HHI),Video Coding &#x0026; Analytics Department,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048686054","display_name":"Jonathan Pfaff","orcid":"https://orcid.org/0000-0002-3550-0596"},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Jonathan Pfaff","raw_affiliation_strings":["Fraunhofer Heinrich Hertz Institute (HHI),Video Coding &#x0026; Analytics Department,Berlin,Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Heinrich Hertz Institute (HHI),Video Coding &#x0026; Analytics Department,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053948616","display_name":"Bj\u00f6rn Stallenberger","orcid":null},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Bjorn Stallenberger","raw_affiliation_strings":["Fraunhofer Heinrich Hertz Institute (HHI),Video Coding &#x0026; Analytics Department,Berlin,Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Heinrich Hertz Institute (HHI),Video Coding &#x0026; Analytics Department,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085591039","display_name":"Johannes Erfurt","orcid":"https://orcid.org/0000-0002-8635-7072"},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Johannes Erfurt","raw_affiliation_strings":["Fraunhofer Heinrich Hertz Institute (HHI),Video Coding &#x0026; Analytics Department,Berlin,Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Heinrich Hertz Institute (HHI),Video Coding &#x0026; Analytics Department,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056193742","display_name":"Heiko Schwarz","orcid":"https://orcid.org/0000-0002-7136-0041"},"institutions":[{"id":"https://openalex.org/I75951250","display_name":"Freie Universit\u00e4t Berlin","ror":"https://ror.org/046ak2485","country_code":"DE","type":"education","lineage":["https://openalex.org/I75951250"]},{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Heiko Schwarz","raw_affiliation_strings":["Fraunhofer Heinrich Hertz Institute (HHI),Video Coding &#x0026; Analytics Department,Berlin,Germany","Institute of Computer Science, Free University of Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Heinrich Hertz Institute (HHI),Video Coding &#x0026; Analytics Department,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]},{"raw_affiliation_string":"Institute of Computer Science, Free University of Berlin, Germany","institution_ids":["https://openalex.org/I75951250"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083836367","display_name":"Detlev Marpe","orcid":"https://orcid.org/0000-0002-5391-3247"},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Detlev Marpe","raw_affiliation_strings":["Fraunhofer Heinrich Hertz Institute (HHI),Video Coding &#x0026; Analytics Department,Berlin,Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Heinrich Hertz Institute (HHI),Video Coding &#x0026; Analytics Department,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034084717","display_name":"Thomas Wiegand","orcid":"https://orcid.org/0000-0002-1121-2581"},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]},{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Thomas Wiegand","raw_affiliation_strings":["Fraunhofer Heinrich Hertz Institute (HHI),Video Coding &#x0026; Analytics Department,Berlin,Germany","Department of Telecommunication Systems, Technical University of Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Heinrich Hertz Institute (HHI),Video Coding &#x0026; Analytics Department,Berlin,Germany","institution_ids":["https://openalex.org/I2800274787"]},{"raw_affiliation_string":"Department of Telecommunication Systems, Technical University of Berlin, Germany","institution_ids":["https://openalex.org/I4577782"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5103166353"],"corresponding_institution_ids":["https://openalex.org/I2800274787"],"apc_list":null,"apc_paid":null,"fwci":0.7364,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.70868878,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1836","last_page":"1840"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10741","display_name":"Video Coding and Compression Technologies","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10741","display_name":"Video Coding and Compression Technologies","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11019","display_name":"Image Enhancement 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"}},{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.748110830783844},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.7339048385620117},{"id":"https://openalex.org/keywords/generalization","display_name":"Generalization","score":0.5763233304023743},{"id":"https://openalex.org/keywords/loop","display_name":"Loop (graph theory)","score":0.5325369238853455},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4951237738132477},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.47075513005256653},{"id":"https://openalex.org/keywords/finite-impulse-response","display_name":"Finite impulse response","score":0.4509508013725281},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.4504757821559906},{"id":"https://openalex.org/keywords/adaptive-filter","display_name":"Adaptive filter","score":0.43609172105789185},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3869541585445404},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3759375810623169},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.19801253080368042},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13888531923294067}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.748110830783844},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.7339048385620117},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.5763233304023743},{"id":"https://openalex.org/C184670325","wikidata":"https://www.wikidata.org/wiki/Q512604","display_name":"Loop (graph theory)","level":2,"score":0.5325369238853455},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4951237738132477},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.47075513005256653},{"id":"https://openalex.org/C198386975","wikidata":"https://www.wikidata.org/wiki/Q117785","display_name":"Finite impulse response","level":2,"score":0.4509508013725281},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.4504757821559906},{"id":"https://openalex.org/C102248274","wikidata":"https://www.wikidata.org/wiki/Q168388","display_name":"Adaptive filter","level":2,"score":0.43609172105789185},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3869541585445404},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3759375810623169},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.19801253080368042},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13888531923294067},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icip46576.2022.9897666","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip46576.2022.9897666","pdf_url":null,"source":{"id":"https://openalex.org/S4363607719","display_name":"2022 IEEE International Conference on Image Processing (ICIP)","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":"2022 IEEE International Conference on Image Processing (ICIP)","raw_type":"proceedings-article"},{"id":"pmh:oai:publica.fraunhofer.de:publica/444901","is_oa":false,"landing_page_url":"https://publica.fraunhofer.de/handle/publica/444901","pdf_url":null,"source":{"id":"https://openalex.org/S4306400318","display_name":"Fraunhofer-Publica (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"conference paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W398859631","https://openalex.org/W832984975","https://openalex.org/W2017801928","https://openalex.org/W2064674198","https://openalex.org/W2097117768","https://openalex.org/W2101700394","https://openalex.org/W2122086266","https://openalex.org/W2140199336","https://openalex.org/W2146395539","https://openalex.org/W2610472635","https://openalex.org/W2913664580","https://openalex.org/W3013522332","https://openalex.org/W3043029414","https://openalex.org/W3091740610","https://openalex.org/W3153323090","https://openalex.org/W3202918664","https://openalex.org/W4297775537","https://openalex.org/W6631190155","https://openalex.org/W6638667902","https://openalex.org/W6737664043"],"related_works":["https://openalex.org/W24774503","https://openalex.org/W3162204513","https://openalex.org/W2014821076","https://openalex.org/W2371138613","https://openalex.org/W2048963458","https://openalex.org/W4206659689","https://openalex.org/W4205499284","https://openalex.org/W2163053524","https://openalex.org/W2133133185","https://openalex.org/W167975066"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"a":[3,37],"data-driven":[4],"generalization":[5],"of":[6,12,27,58],"the":[7,23,66,74],"adaptive":[8],"loop":[9],"filter":[10],"(ALF)":[11],"Versatile":[13],"Video":[14],"Coding":[15],"(VVC)":[16],"is":[17,20],"presented.":[18],"It":[19],"shown":[21],"how":[22],"conventional":[24],"ALF":[25],"process":[26],"classification":[28],"and":[29,60,69,76],"FIR":[30],"filtering":[31],"can":[32,62],"be":[33,63],"generalized":[34],"to":[35],"define":[36],"natural":[38],"model":[39],"architecture":[40],"for":[41,65],"convolutional":[42],"neural":[43],"network":[44],"(CNN)":[45],"based":[46],"in-loop":[47],"filters.":[48],"Experimental":[49],"results":[50],"show":[51],"that":[52],"over":[53],"VVC,":[54],"average":[55],"bit-rate":[56],"savings":[57],"3.85%/4.75%":[59],"4.39%/4.33%":[61],"achieved":[64],"all":[67],"intra":[68],"random":[70],"access":[71],"configurations":[72],"in":[73],"low-":[75],"high-QP":[77],"settings.":[78]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
