{"id":"https://openalex.org/W2080123880","doi":"https://doi.org/10.1145/1741906.1742086","title":"Estimation of naso frontal angle for detection of Down syndrome in second trimester fetal images","display_name":"Estimation of naso frontal angle for detection of Down syndrome in second trimester fetal images","publication_year":2010,"publication_date":"2010-02-26","ids":{"openalex":"https://openalex.org/W2080123880","doi":"https://doi.org/10.1145/1741906.1742086","mag":"2080123880"},"language":"en","primary_location":{"id":"doi:10.1145/1741906.1742086","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1741906.1742086","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the International Conference and Workshop on Emerging Trends in Technology","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/A5103104981","display_name":"S. R. Nirmala","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"S. Nirmala","raw_affiliation_strings":["Muthayammal Engineering College, Rasipuram, India"],"affiliations":[{"raw_affiliation_string":"Muthayammal Engineering College, Rasipuram, India","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108721262","display_name":"V. Palanisamy","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"V. Palanisamy","raw_affiliation_strings":["Info Institute of Engineering, Kovilpalayam, Coimbatore, India","Info Institute of Engineering, Kovilpalayam, Coimbatore, India#TAB#"],"affiliations":[{"raw_affiliation_string":"Info Institute of Engineering, Kovilpalayam, Coimbatore, India","institution_ids":[]},{"raw_affiliation_string":"Info Institute of Engineering, Kovilpalayam, Coimbatore, India#TAB#","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5103104981"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13295133,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"11","issue":null,"first_page":"775","last_page":"779"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10978","display_name":"Prenatal Screening and Diagnostics","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10978","display_name":"Prenatal Screening and Diagnostics","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11374","display_name":"Cleft Lip and Palate Research","score":0.9810000061988831,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12849","display_name":"Parvovirus B19 Infection Studies","score":0.9779999852180481,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/second-trimester","display_name":"Second trimester","score":0.6796128153800964},{"id":"https://openalex.org/keywords/fetus","display_name":"Fetus","score":0.6070780158042908},{"id":"https://openalex.org/keywords/gestation","display_name":"Gestation","score":0.5845358967781067},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.502610445022583},{"id":"https://openalex.org/keywords/nasal-bone","display_name":"Nasal bone","score":0.47747039794921875},{"id":"https://openalex.org/keywords/first-trimester","display_name":"First trimester","score":0.4745793342590332},{"id":"https://openalex.org/keywords/frontal-bone","display_name":"Frontal bone","score":0.43656736612319946},{"id":"https://openalex.org/keywords/gestational-age","display_name":"Gestational age","score":0.4259878695011139},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3288838267326355},{"id":"https://openalex.org/keywords/anatomy","display_name":"Anatomy","score":0.2922963500022888},{"id":"https://openalex.org/keywords/pregnancy","display_name":"Pregnancy","score":0.24929586052894592},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.06504461169242859},{"id":"https://openalex.org/keywords/skull","display_name":"Skull","score":0.06209889054298401}],"concepts":[{"id":"https://openalex.org/C3019108941","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Second trimester","level":4,"score":0.6796128153800964},{"id":"https://openalex.org/C172680121","wikidata":"https://www.wikidata.org/wiki/Q26513","display_name":"Fetus","level":3,"score":0.6070780158042908},{"id":"https://openalex.org/C46973012","wikidata":"https://www.wikidata.org/wiki/Q28627","display_name":"Gestation","level":3,"score":0.5845358967781067},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.502610445022583},{"id":"https://openalex.org/C2779613018","wikidata":"https://www.wikidata.org/wiki/Q38155","display_name":"Nasal bone","level":2,"score":0.47747039794921875},{"id":"https://openalex.org/C3019714739","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"First trimester","level":4,"score":0.4745793342590332},{"id":"https://openalex.org/C2777598532","wikidata":"https://www.wikidata.org/wiki/Q16295","display_name":"Frontal bone","level":3,"score":0.43656736612319946},{"id":"https://openalex.org/C2778376644","wikidata":"https://www.wikidata.org/wiki/Q2253111","display_name":"Gestational age","level":3,"score":0.4259878695011139},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3288838267326355},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.2922963500022888},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.24929586052894592},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.06504461169242859},{"id":"https://openalex.org/C2779300802","wikidata":"https://www.wikidata.org/wiki/Q13147","display_name":"Skull","level":2,"score":0.06209889054298401},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1741906.1742086","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1741906.1742086","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the International Conference and Workshop on Emerging Trends in Technology","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7400000095367432,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1566860847","https://openalex.org/W1892158773","https://openalex.org/W1964591473","https://openalex.org/W2003924108","https://openalex.org/W2027231797","https://openalex.org/W2054599140","https://openalex.org/W2085564686","https://openalex.org/W2114254526","https://openalex.org/W2120500508","https://openalex.org/W2161987212","https://openalex.org/W2188549835","https://openalex.org/W4254010918"],"related_works":["https://openalex.org/W2920037349","https://openalex.org/W2041369111","https://openalex.org/W3014698192","https://openalex.org/W4388270950","https://openalex.org/W2046327602","https://openalex.org/W4280567339","https://openalex.org/W2988160154","https://openalex.org/W2071908886","https://openalex.org/W2355697933","https://openalex.org/W4389028855"],"abstract_inverted_index":{"The":[0,23],"Naso":[1],"Frontal":[2],"Angle":[3],"(NFA)":[4],"measurement":[5],"is":[6,50],"made":[7],"to":[8],"identify":[9],"the":[10,34,38,43,53,56,67],"Down":[11],"syndrome":[12],"in":[13,20,66],"screening":[14],"second":[15],"trimester":[16],"fetus":[17],"and":[18,27,37,42,64,70],"presented":[19],"this":[21],"paper.":[22],"Mean":[24],"shift":[25],"analysis":[26],"canny":[28],"operators":[29],"are":[30],"utilized":[31],"for":[32],"segmenting":[33],"frontal":[35],"bone":[36,40],"nasal":[39],"region":[41],"exact":[44],"NFA":[45,58],"has":[46],"been":[47],"estimated.":[48],"It":[49],"observed":[51],"from":[52],"results":[54],"that":[55],"measured":[57],"have":[59],"an":[60],"average":[61],"of":[62,73],"114.19\u00b0\u00b10.134":[63],"115.86\u00b0\u00b10.273":[65],"13th":[68],"week":[69,72],"19th":[71],"gestation":[74],"respectively.":[75]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}