{"id":"https://openalex.org/W2089090988","doi":"https://doi.org/10.1109/icip.2012.6467421","title":"Directional geodesic active contours","display_name":"Directional geodesic active contours","publication_year":2012,"publication_date":"2012-09-01","ids":{"openalex":"https://openalex.org/W2089090988","doi":"https://doi.org/10.1109/icip.2012.6467421","mag":"2089090988"},"language":"en","primary_location":{"id":"doi:10.1109/icip.2012.6467421","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2012.6467421","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 19th IEEE International Conference on Image Processing","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://oa.upm.es/10876/","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5068567652","display_name":"Guillermo Gallego","orcid":"https://orcid.org/0000-0002-2672-9241"},"institutions":[{"id":"https://openalex.org/I88060688","display_name":"Universidad Polit\u00e9cnica de Madrid","ror":"https://ror.org/03n6nwv02","country_code":"ES","type":"education","lineage":["https://openalex.org/I88060688"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"G. Gallego","raw_affiliation_strings":["Grupo de Tratamiento de Im\u00e1genes, E.T.S. Ing. Telecomunicaci\u00f3n, Universidad Polit\u00e9cnica de Madrid, Madrid, Spain","Grupo de Tratamiento de Imagenes, Univ. Politec. de Madrid, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Grupo de Tratamiento de Im\u00e1genes, E.T.S. Ing. Telecomunicaci\u00f3n, Universidad Polit\u00e9cnica de Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I88060688"]},{"raw_affiliation_string":"Grupo de Tratamiento de Imagenes, Univ. Politec. de Madrid, Madrid, Spain","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059218527","display_name":"Jos\u00e9 I. Ronda","orcid":"https://orcid.org/0000-0003-1430-1835"},"institutions":[{"id":"https://openalex.org/I88060688","display_name":"Universidad Polit\u00e9cnica de Madrid","ror":"https://ror.org/03n6nwv02","country_code":"ES","type":"education","lineage":["https://openalex.org/I88060688"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"J.I. Ronda","raw_affiliation_strings":["Grupo de Tratamiento de Im\u00e1genes, E.T.S. Ing. Telecomunicaci\u00f3n, Universidad Polit\u00e9cnica de Madrid, Madrid, Spain","Grupo de Tratamiento de Imagenes, Univ. Politec. de Madrid, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Grupo de Tratamiento de Im\u00e1genes, E.T.S. Ing. Telecomunicaci\u00f3n, Universidad Polit\u00e9cnica de Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I88060688"]},{"raw_affiliation_string":"Grupo de Tratamiento de Imagenes, Univ. Politec. de Madrid, Madrid, Spain","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052960347","display_name":"Antonio Vald\u00e9s","orcid":"https://orcid.org/0000-0001-5930-8307"},"institutions":[{"id":"https://openalex.org/I121748325","display_name":"Universidad Complutense de Madrid","ror":"https://ror.org/02p0gd045","country_code":"ES","type":"education","lineage":["https://openalex.org/I121748325"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"A. Valdes","raw_affiliation_strings":["Departamento de Geometr\u00eda y Topolog\u00eda, Universidad Complutense de Madrid, Madrid, Spain","Dept. de Geometria y Topologia, Univ. Complutense de Madrid, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departamento de Geometr\u00eda y Topolog\u00eda, Universidad Complutense de Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I121748325"]},{"raw_affiliation_string":"Dept. de Geometria y Topologia, Univ. Complutense de Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I121748325"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.1106,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.80639083,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"2561","last_page":"2564"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10052","display_name":"Medical Image Segmentation 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"}},"topics":[{"id":"https://openalex.org/T10052","display_name":"Medical Image Segmentation 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":0.9984999895095825,"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":0.9932000041007996,"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/geodesic","display_name":"Geodesic","score":0.9014650583267212},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.7577677965164185},{"id":"https://openalex.org/keywords/conformal-map","display_name":"Conformal map","score":0.7319836616516113},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.5894913673400879},{"id":"https://openalex.org/keywords/euclidean-geometry","display_name":"Euclidean geometry","score":0.4974193871021271},{"id":"https://openalex.org/keywords/gradient-descent","display_name":"Gradient descent","score":0.47347795963287354},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4658214747905731},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.46529826521873474},{"id":"https://openalex.org/keywords/euclidean-distance","display_name":"Euclidean distance","score":0.4270070195198059},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4252511262893677},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.35332250595092773},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3324930667877197},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.3265012502670288},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.2876177430152893},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.06256550550460815}],"concepts":[{"id":"https://openalex.org/C165818556","wikidata":"https://www.wikidata.org/wiki/Q213488","display_name":"Geodesic","level":2,"score":0.9014650583267212},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.7577677965164185},{"id":"https://openalex.org/C98214594","wikidata":"https://www.wikidata.org/wiki/Q850275","display_name":"Conformal map","level":2,"score":0.7319836616516113},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.5894913673400879},{"id":"https://openalex.org/C129782007","wikidata":"https://www.wikidata.org/wiki/Q162886","display_name":"Euclidean geometry","level":2,"score":0.4974193871021271},{"id":"https://openalex.org/C153258448","wikidata":"https://www.wikidata.org/wiki/Q1199743","display_name":"Gradient descent","level":3,"score":0.47347795963287354},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4658214747905731},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.46529826521873474},{"id":"https://openalex.org/C120174047","wikidata":"https://www.wikidata.org/wiki/Q847073","display_name":"Euclidean distance","level":2,"score":0.4270070195198059},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4252511262893677},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.35332250595092773},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3324930667877197},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.3265012502670288},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.2876177430152893},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.06256550550460815},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/icip.2012.6467421","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2012.6467421","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 19th IEEE International Conference on Image Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.367.8053","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.367.8053","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.mat.ucm.es/~avaldes/ICIP2012_2550_DirectionalGAC.pdf","raw_type":"text"},{"id":"pmh:oai:oa.upm.es:10876","is_oa":true,"landing_page_url":"http://oa.upm.es/10876/","pdf_url":null,"source":{"id":"https://openalex.org/S4377196323","display_name":"UPM Digital Archive (Technical University of Madrid)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I88060688","host_organization_name":"Universidad Polit\u00e9cnica de Madrid","host_organization_lineage":["https://openalex.org/I88060688"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE International Conference on Image Processing (ICIP) | IEEE International Conference on Image Processing (ICIP) | 30 Sept - 03 Oct 2012 | Orlando, FL. USA","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:oa.upm.es:10876","is_oa":true,"landing_page_url":"http://oa.upm.es/10876/","pdf_url":null,"source":{"id":"https://openalex.org/S4377196323","display_name":"UPM Digital Archive (Technical University of Madrid)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I88060688","host_organization_name":"Universidad Polit\u00e9cnica de Madrid","host_organization_lineage":["https://openalex.org/I88060688"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE International Conference on Image Processing (ICIP) | IEEE International Conference on Image Processing (ICIP) | 30 Sept - 03 Oct 2012 | Orlando, FL. USA","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.5400000214576721,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1480546554","https://openalex.org/W1541134818","https://openalex.org/W1991113069","https://openalex.org/W2080479039","https://openalex.org/W2090903445","https://openalex.org/W2104095591","https://openalex.org/W2104404402","https://openalex.org/W2111308925","https://openalex.org/W2116040950","https://openalex.org/W2117776696","https://openalex.org/W2128089874","https://openalex.org/W3211330693","https://openalex.org/W6628649234"],"related_works":["https://openalex.org/W2417347313","https://openalex.org/W2090152127","https://openalex.org/W2169691698","https://openalex.org/W1965169884","https://openalex.org/W3125580510","https://openalex.org/W2008939113","https://openalex.org/W2033213447","https://openalex.org/W14679004","https://openalex.org/W1566651525","https://openalex.org/W2977652649"],"abstract_inverted_index":{"We":[0],"present":[1],"a":[2,46,58,82],"non-conformal":[3],"metric":[4,17,25,44,79],"that":[5,29,49],"generalizes":[6],"the":[7,23,31,34,37,42,52,62,71,74,77,93],"geodesic":[8],"active":[9,102],"contours":[10,103],"approach":[11],"for":[12],"image":[13,38],"segmentation.":[14],"The":[15,66,89],"new":[16,78],"is":[18,96],"obtained":[19],"by":[20,45,80],"adding":[21],"to":[22,61,85],"Euclidean":[24],"an":[26],"additional":[27],"term":[28],"penalizes":[30],"misalignment":[32],"of":[33,73,76,92],"curve":[35],"with":[36,100],"gradient":[39,83],"and":[40],"multiplying":[41],"resulting":[43],"conformal":[47],"factor":[48],"depends":[50],"on":[51],"edge":[53,63],"intensity.":[54],"In":[55],"this":[56],"way,":[57],"closer":[59],"fitting":[60],"direction":[64],"results.":[65],"provided":[67,87],"experimental":[68],"results":[69],"address":[70],"computation":[72],"geodesics":[75],"applying":[81],"descent":[84],"externally":[86],"curves.":[88],"good":[90],"performance":[91],"proposed":[94],"techniques":[95],"demonstrated":[97],"in":[98],"comparison":[99],"other":[101],"methods.":[104]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}