{"id":"https://openalex.org/W2023820523","doi":"https://doi.org/10.1016/1049-9652(92)90023-q","title":"Parameter estimation and reconstruction of digital conics in normal positions","display_name":"Parameter estimation and reconstruction of digital conics in normal positions","publication_year":1992,"publication_date":"1992-09-01","ids":{"openalex":"https://openalex.org/W2023820523","doi":"https://doi.org/10.1016/1049-9652(92)90023-q","mag":"2023820523"},"language":"en","primary_location":{"id":"doi:10.1016/1049-9652(92)90023-q","is_oa":false,"landing_page_url":"https://doi.org/10.1016/1049-9652(92)90023-q","pdf_url":null,"source":{"id":"https://openalex.org/S2898124066","display_name":"CVGIP Graphical Models and Image Processing","issn_l":"1049-9652","issn":["1049-9652","1557-7643"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310319955","host_organization_name":"Academic Press","host_organization_lineage":["https://openalex.org/P4310319955","https://openalex.org/P4310320990"],"host_organization_lineage_names":["Academic Press","Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"CVGIP: Graphical Models and Image 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/A5075720299","display_name":"Samiran Chattopadhyay","orcid":"https://orcid.org/0000-0002-8929-9605"},"institutions":[{"id":"https://openalex.org/I170979836","display_name":"Jadavpur University","ror":"https://ror.org/02af4h012","country_code":"IN","type":"education","lineage":["https://openalex.org/I170979836"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"S Chattopadhyay","raw_affiliation_strings":["Department of Computer Science and Engineering, Jadavpur University, Calcutta 700032, India"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Jadavpur University, Calcutta 700032, India","institution_ids":["https://openalex.org/I170979836"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011440310","display_name":"Partha Pratim Das","orcid":"https://orcid.org/0000-0003-1435-6051"},"institutions":[{"id":"https://openalex.org/I145894827","display_name":"Indian Institute of Technology Kharagpur","ror":"https://ror.org/03w5sq511","country_code":"IN","type":"education","lineage":["https://openalex.org/I145894827"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"P.P Das","raw_affiliation_strings":["Department of Computer Science and Engineering, Indian Institute of Technology, Kharagpur 721302, India","Department of Computer Science and Engineering Indian Institute of Technology, Kharagpur 721302, INDIA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Indian Institute of Technology, Kharagpur 721302, India","institution_ids":["https://openalex.org/I145894827"]},{"raw_affiliation_string":"Department of Computer Science and Engineering Indian Institute of Technology, Kharagpur 721302, INDIA","institution_ids":["https://openalex.org/I145894827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5075720299"],"corresponding_institution_ids":["https://openalex.org/I170979836"],"apc_list":null,"apc_paid":null,"fwci":1.0929,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.78724018,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"54","issue":"5","first_page":"385","last_page":"395"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12923","display_name":"Digital Image Processing Techniques","score":1.0,"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/T12923","display_name":"Digital Image Processing Techniques","score":1.0,"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/T10052","display_name":"Medical Image Segmentation Techniques","score":0.9937000274658203,"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":0.9926999807357788,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/conic-section","display_name":"Conic section","score":0.7861337065696716},{"id":"https://openalex.org/keywords/hyperbola","display_name":"Hyperbola","score":0.6911725401878357},{"id":"https://openalex.org/keywords/rectangle","display_name":"Rectangle","score":0.6688715815544128},{"id":"https://openalex.org/keywords/ellipse","display_name":"Ellipse","score":0.6371181011199951},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.559639573097229},{"id":"https://openalex.org/keywords/piecewise","display_name":"Piecewise","score":0.5222107768058777},{"id":"https://openalex.org/keywords/digital-geometry","display_name":"Digital geometry","score":0.5190518498420715},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.4470592737197876},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.43543094396591187},{"id":"https://openalex.org/keywords/least-squares-function-approximation","display_name":"Least-squares function approximation","score":0.4132539927959442},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4127488136291504},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.35073405504226685},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.308388352394104},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.18327930569648743},{"id":"https://openalex.org/keywords/digital-image","display_name":"Digital image","score":0.1557646095752716},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.15472528338432312},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.10529270768165588}],"concepts":[{"id":"https://openalex.org/C108598597","wikidata":"https://www.wikidata.org/wiki/Q124255","display_name":"Conic section","level":2,"score":0.7861337065696716},{"id":"https://openalex.org/C145050668","wikidata":"https://www.wikidata.org/wiki/Q165301","display_name":"Hyperbola","level":2,"score":0.6911725401878357},{"id":"https://openalex.org/C2781302577","wikidata":"https://www.wikidata.org/wiki/Q209","display_name":"Rectangle","level":2,"score":0.6688715815544128},{"id":"https://openalex.org/C74261601","wikidata":"https://www.wikidata.org/wiki/Q40112","display_name":"Ellipse","level":2,"score":0.6371181011199951},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.559639573097229},{"id":"https://openalex.org/C164660894","wikidata":"https://www.wikidata.org/wiki/Q2037833","display_name":"Piecewise","level":2,"score":0.5222107768058777},{"id":"https://openalex.org/C192368570","wikidata":"https://www.wikidata.org/wiki/Q1789829","display_name":"Digital geometry","level":5,"score":0.5190518498420715},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.4470592737197876},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.43543094396591187},{"id":"https://openalex.org/C9936470","wikidata":"https://www.wikidata.org/wiki/Q6510405","display_name":"Least-squares function approximation","level":3,"score":0.4132539927959442},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4127488136291504},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.35073405504226685},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.308388352394104},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.18327930569648743},{"id":"https://openalex.org/C42781572","wikidata":"https://www.wikidata.org/wiki/Q1250322","display_name":"Digital image","level":4,"score":0.1557646095752716},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.15472528338432312},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.10529270768165588},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/1049-9652(92)90023-q","is_oa":false,"landing_page_url":"https://doi.org/10.1016/1049-9652(92)90023-q","pdf_url":null,"source":{"id":"https://openalex.org/S2898124066","display_name":"CVGIP Graphical Models and Image Processing","issn_l":"1049-9652","issn":["1049-9652","1557-7643"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310319955","host_organization_name":"Academic Press","host_organization_lineage":["https://openalex.org/P4310319955","https://openalex.org/P4310320990"],"host_organization_lineage_names":["Academic Press","Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"CVGIP: Graphical Models and Image Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320310654","display_name":"Indian National Science Academy","ror":"https://ror.org/051475v86"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W230695242","https://openalex.org/W1983679058","https://openalex.org/W1995158031","https://openalex.org/W2006608795","https://openalex.org/W2013211372","https://openalex.org/W2013661993","https://openalex.org/W2026028917","https://openalex.org/W2053133582","https://openalex.org/W2155333082","https://openalex.org/W2293387175","https://openalex.org/W4251530686","https://openalex.org/W4312528576","https://openalex.org/W6682891623"],"related_works":["https://openalex.org/W2367703135","https://openalex.org/W2325628825","https://openalex.org/W4250038487","https://openalex.org/W1032920515","https://openalex.org/W4245060453","https://openalex.org/W2219641710","https://openalex.org/W2902604941","https://openalex.org/W2796617351","https://openalex.org/W2324703843","https://openalex.org/W2810805028"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}