{"id":"https://openalex.org/W2109749561","doi":"https://doi.org/10.1007/3-540-60298-4_240","title":"Estimation of curvature and tangent direction by median filtered differencing","display_name":"Estimation of curvature and tangent direction by median filtered differencing","publication_year":1995,"publication_date":"1995-01-01","ids":{"openalex":"https://openalex.org/W2109749561","doi":"https://doi.org/10.1007/3-540-60298-4_240","mag":"2109749561"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-60298-4_240","is_oa":true,"landing_page_url":"https://doi.org/10.1007/3-540-60298-4_240","pdf_url":"https://link.springer.com/content/pdf/10.1007%2F3-540-60298-4_240.pdf","source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://link.springer.com/content/pdf/10.1007%2F3-540-60298-4_240.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5007656938","display_name":"Ji\u0159\u0131\u0301 Matas","orcid":"https://orcid.org/0000-0003-0863-4844"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"J. Matas","raw_affiliation_strings":["University of Surrey, GU2 5XH, Guildford, Surrey, UK","#N#University of Surrey#N#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Surrey, GU2 5XH, Guildford, Surrey, UK","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"#N#University of Surrey#N#","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113272929","display_name":"Zhengmeng Shao","orcid":null},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Z. Shao","raw_affiliation_strings":["University of Surrey, GU2 5XH, Guildford, Surrey, UK","#N#University of Surrey#N#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Surrey, GU2 5XH, Guildford, Surrey, UK","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"#N#University of Surrey#N#","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028209738","display_name":"Josef Kittler","orcid":"https://orcid.org/0000-0002-8110-9205"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"J. Kittler","raw_affiliation_strings":["University of Surrey, GU2 5XH, Guildford, Surrey, UK","#N#University of Surrey#N#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Surrey, GU2 5XH, Guildford, Surrey, UK","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"#N#University of Surrey#N#","institution_ids":["https://openalex.org/I28290843"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":4.3798,"has_fulltext":true,"cited_by_count":38,"citation_normalized_percentile":{"value":0.93633656,"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":"83","last_page":"88"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11245","display_name":"Advanced Numerical Analysis Techniques","score":0.9987000226974487,"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"}},"topics":[{"id":"https://openalex.org/T11245","display_name":"Advanced Numerical Analysis Techniques","score":0.9987000226974487,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9904000163078308,"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/T12549","display_name":"Image and Object Detection Techniques","score":0.9801999926567078,"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/tangent","display_name":"Tangent","score":0.8235024213790894},{"id":"https://openalex.org/keywords/curvature","display_name":"Curvature","score":0.784015417098999},{"id":"https://openalex.org/keywords/classification-of-discontinuities","display_name":"Classification of discontinuities","score":0.7350846529006958},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5582319498062134},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4672671854496002},{"id":"https://openalex.org/keywords/tangent-vector","display_name":"Tangent vector","score":0.46375706791877747},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.3634670376777649},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3150622248649597},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.26410195231437683}],"concepts":[{"id":"https://openalex.org/C138187205","wikidata":"https://www.wikidata.org/wiki/Q131251","display_name":"Tangent","level":2,"score":0.8235024213790894},{"id":"https://openalex.org/C195065555","wikidata":"https://www.wikidata.org/wiki/Q214881","display_name":"Curvature","level":2,"score":0.784015417098999},{"id":"https://openalex.org/C15627037","wikidata":"https://www.wikidata.org/wiki/Q541961","display_name":"Classification of discontinuities","level":2,"score":0.7350846529006958},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5582319498062134},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4672671854496002},{"id":"https://openalex.org/C47890412","wikidata":"https://www.wikidata.org/wiki/Q1179296","display_name":"Tangent vector","level":3,"score":0.46375706791877747},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3634670376777649},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3150622248649597},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.26410195231437683}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/3-540-60298-4_240","is_oa":true,"landing_page_url":"https://doi.org/10.1007/3-540-60298-4_240","pdf_url":"https://link.springer.com/content/pdf/10.1007%2F3-540-60298-4_240.pdf","source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"}],"best_oa_location":{"id":"doi:10.1007/3-540-60298-4_240","is_oa":true,"landing_page_url":"https://doi.org/10.1007/3-540-60298-4_240","pdf_url":"https://link.springer.com/content/pdf/10.1007%2F3-540-60298-4_240.pdf","source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.7099999785423279,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2109749561.pdf","grobid_xml":"https://content.openalex.org/works/W2109749561.grobid-xml"},"referenced_works_count":21,"referenced_works":["https://openalex.org/W830939181","https://openalex.org/W1535221374","https://openalex.org/W1900884668","https://openalex.org/W1997019239","https://openalex.org/W2003262222","https://openalex.org/W2020187819","https://openalex.org/W2028974272","https://openalex.org/W2044890208","https://openalex.org/W2076647229","https://openalex.org/W2096872721","https://openalex.org/W2104776149","https://openalex.org/W2104881418","https://openalex.org/W2128282196","https://openalex.org/W2133128448","https://openalex.org/W2163775665","https://openalex.org/W2170120409","https://openalex.org/W2582407394","https://openalex.org/W6639824707","https://openalex.org/W6675738515","https://openalex.org/W6679929233","https://openalex.org/W6806599836"],"related_works":["https://openalex.org/W24861038","https://openalex.org/W2101224588","https://openalex.org/W1976561797","https://openalex.org/W2322137306","https://openalex.org/W2158224879","https://openalex.org/W2048821739","https://openalex.org/W2013485381","https://openalex.org/W2924479417","https://openalex.org/W4249328994","https://openalex.org/W2364123591"],"abstract_inverted_index":null,"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":5}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
