{"id":"https://openalex.org/W2004113077","doi":"https://doi.org/10.1016/0165-1684(91)90114-x","title":"Image interpolation based on variational principles","display_name":"Image interpolation based on variational principles","publication_year":1991,"publication_date":"1991-12-01","ids":{"openalex":"https://openalex.org/W2004113077","doi":"https://doi.org/10.1016/0165-1684(91)90114-x","mag":"2004113077"},"language":"en","primary_location":{"id":"doi:10.1016/0165-1684(91)90114-x","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0165-1684(91)90114-x","pdf_url":null,"source":{"id":"https://openalex.org/S154637859","display_name":"Signal Processing","issn_l":"0165-1684","issn":["0165-1684","1872-7557"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Signal Processing","raw_type":"journal-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/A5045986111","display_name":"N.B. Karayiannis","orcid":null},"institutions":[{"id":"https://openalex.org/I185261750","display_name":"University of Toronto","ror":"https://ror.org/03dbr7087","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Nicolaos B. Karayiannis","raw_affiliation_strings":["Department of Electrical Engineering, University of Toronto, Toronto, Ontario, Canada M5S 1A4","Department of Electrical Engineering, University of Toronto, Toronto, Ontario, Canada M5S 1A4#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of Toronto, Toronto, Ontario, Canada M5S 1A4","institution_ids":["https://openalex.org/I185261750"]},{"raw_affiliation_string":"Department of Electrical Engineering, University of Toronto, Toronto, Ontario, Canada M5S 1A4#TAB#","institution_ids":["https://openalex.org/I185261750"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109874826","display_name":"A.N. Venetsanopoulos","orcid":null},"institutions":[{"id":"https://openalex.org/I185261750","display_name":"University of Toronto","ror":"https://ror.org/03dbr7087","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Anastasios N. Venetsanopoulos","raw_affiliation_strings":["Department of Electrical Engineering, University of Toronto, Toronto, Ontario, Canada M5S 1A4","Department of Electrical Engineering, University of Toronto, Toronto, Ontario, Canada M5S 1A4#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of Toronto, Toronto, Ontario, Canada M5S 1A4","institution_ids":["https://openalex.org/I185261750"]},{"raw_affiliation_string":"Department of Electrical Engineering, University of Toronto, Toronto, Ontario, Canada M5S 1A4#TAB#","institution_ids":["https://openalex.org/I185261750"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I185261750"],"apc_list":{"value":3200,"currency":"USD","value_usd":3200},"apc_paid":null,"fwci":1.7059,"has_fulltext":false,"cited_by_count":29,"citation_normalized_percentile":{"value":0.84203822,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"25","issue":"3","first_page":"259","last_page":"288"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9990000128746033,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9990000128746033,"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/T11245","display_name":"Advanced Numerical Analysis Techniques","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.9976000189781189,"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/mathematics","display_name":"Mathematics","score":0.7020399570465088},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.7012251615524292},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.5185952186584473},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.4487690329551697},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.399367094039917},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.39208677411079407},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.3740682899951935},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.21080976724624634},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1043749451637268}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7020399570465088},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.7012251615524292},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.5185952186584473},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.4487690329551697},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.399367094039917},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.39208677411079407},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.3740682899951935},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.21080976724624634},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1043749451637268}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0165-1684(91)90114-x","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0165-1684(91)90114-x","pdf_url":null,"source":{"id":"https://openalex.org/S154637859","display_name":"Signal Processing","issn_l":"0165-1684","issn":["0165-1684","1872-7557"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W1481069933","https://openalex.org/W1539768692","https://openalex.org/W1578285471","https://openalex.org/W1970185999","https://openalex.org/W1983614167","https://openalex.org/W1989811808","https://openalex.org/W2002355073","https://openalex.org/W2013745774","https://openalex.org/W2025236349","https://openalex.org/W2044011870","https://openalex.org/W2066034539","https://openalex.org/W2071609006","https://openalex.org/W2109911863","https://openalex.org/W2110858853","https://openalex.org/W2121203842","https://openalex.org/W2139762693","https://openalex.org/W2139914941","https://openalex.org/W2145023731","https://openalex.org/W2149846618","https://openalex.org/W2149934012","https://openalex.org/W2150629612","https://openalex.org/W2152945238","https://openalex.org/W2155487652","https://openalex.org/W2157572268","https://openalex.org/W2166698654","https://openalex.org/W2617068265","https://openalex.org/W2751023760","https://openalex.org/W2973948937","https://openalex.org/W3142300713","https://openalex.org/W3215158811","https://openalex.org/W4297204443","https://openalex.org/W6628504487","https://openalex.org/W6630744482","https://openalex.org/W6661579649","https://openalex.org/W6683404511"],"related_works":["https://openalex.org/W3151522584","https://openalex.org/W1497123311","https://openalex.org/W2551845725","https://openalex.org/W3093584180","https://openalex.org/W2090386787","https://openalex.org/W2045588195","https://openalex.org/W2068811348","https://openalex.org/W2122776646","https://openalex.org/W2389316689","https://openalex.org/W4388093525"],"abstract_inverted_index":null,"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-22T06:23:43.705686","created_date":"2025-10-10T00:00:00"}