{"id":"https://openalex.org/W1499100504","doi":"https://doi.org/10.1109/sibgra.2004.1352949","title":"Segmentation with active contours: a comparative study of B-spline and level set techniques","display_name":"Segmentation with active contours: a comparative study of B-spline and level set techniques","publication_year":2004,"publication_date":"2004-11-30","ids":{"openalex":"https://openalex.org/W1499100504","doi":"https://doi.org/10.1109/sibgra.2004.1352949","mag":"1499100504"},"language":"en","primary_location":{"id":"doi:10.1109/sibgra.2004.1352949","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sibgra.2004.1352949","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. 17th Brazilian Symposium on Computer Graphics and Image Processing","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/A5085647476","display_name":"Demi\u00e1n Wassermann","orcid":"https://orcid.org/0000-0001-5194-6056"},"institutions":[{"id":"https://openalex.org/I24354313","display_name":"University of Buenos Aires","ror":"https://ror.org/0081fs513","country_code":"AR","type":"education","lineage":["https://openalex.org/I24354313"]}],"countries":["AR"],"is_corresponding":true,"raw_author_name":"D. Wassermann","raw_affiliation_strings":["FCEyN, Departamento de Computaci\u00f3n, Universidad de Buenos Aires, Buenos Aires, Argentina","Departamento de Computacion, Buenos Aires Univ., Argentina"],"affiliations":[{"raw_affiliation_string":"FCEyN, Departamento de Computaci\u00f3n, Universidad de Buenos Aires, Buenos Aires, Argentina","institution_ids":["https://openalex.org/I24354313"]},{"raw_affiliation_string":"Departamento de Computacion, Buenos Aires Univ., Argentina","institution_ids":["https://openalex.org/I24354313"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088926109","display_name":"Marta Mejail","orcid":null},"institutions":[{"id":"https://openalex.org/I24354313","display_name":"University of Buenos Aires","ror":"https://ror.org/0081fs513","country_code":"AR","type":"education","lineage":["https://openalex.org/I24354313"]}],"countries":["AR"],"is_corresponding":false,"raw_author_name":"M.E. Mejail","raw_affiliation_strings":["FCEyN, Departamento de Computaci\u00f3n, Universidad de Buenos Aires, Buenos Aires, Argentina","Departamento de Computacion, Buenos Aires Univ., Argentina"],"affiliations":[{"raw_affiliation_string":"FCEyN, Departamento de Computaci\u00f3n, Universidad de Buenos Aires, Buenos Aires, Argentina","institution_ids":["https://openalex.org/I24354313"]},{"raw_affiliation_string":"Departamento de Computacion, Buenos Aires Univ., Argentina","institution_ids":["https://openalex.org/I24354313"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042068686","display_name":"Juliana Gambini","orcid":"https://orcid.org/0000-0002-4534-1402"},"institutions":[{"id":"https://openalex.org/I24354313","display_name":"University of Buenos Aires","ror":"https://ror.org/0081fs513","country_code":"AR","type":"education","lineage":["https://openalex.org/I24354313"]}],"countries":["AR"],"is_corresponding":false,"raw_author_name":"J. Gambini","raw_affiliation_strings":["FCEyN, Departamento de Computaci\u00f3n, Universidad de Buenos Aires, Buenos Aires, Argentina","Departamento de Computacion, Buenos Aires Univ., Argentina"],"affiliations":[{"raw_affiliation_string":"FCEyN, Departamento de Computaci\u00f3n, Universidad de Buenos Aires, Buenos Aires, Argentina","institution_ids":["https://openalex.org/I24354313"]},{"raw_affiliation_string":"Departamento de Computacion, Buenos Aires Univ., Argentina","institution_ids":["https://openalex.org/I24354313"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113895866","display_name":"M. Buemi","orcid":null},"institutions":[{"id":"https://openalex.org/I24354313","display_name":"University of Buenos Aires","ror":"https://ror.org/0081fs513","country_code":"AR","type":"education","lineage":["https://openalex.org/I24354313"]}],"countries":["AR"],"is_corresponding":false,"raw_author_name":"M.E. Buemi","raw_affiliation_strings":["FCEyN, Departamento de Computaci\u00f3n, Universidad de Buenos Aires, Buenos Aires, Argentina","Departamento de Computacion, Buenos Aires Univ., Argentina"],"affiliations":[{"raw_affiliation_string":"FCEyN, Departamento de Computaci\u00f3n, Universidad de Buenos Aires, Buenos Aires, Argentina","institution_ids":["https://openalex.org/I24354313"]},{"raw_affiliation_string":"Departamento de Computacion, Buenos Aires Univ., Argentina","institution_ids":["https://openalex.org/I24354313"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5085647476"],"corresponding_institution_ids":["https://openalex.org/I24354313"],"apc_list":null,"apc_paid":null,"fwci":0.5521,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.66767337,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"98","last_page":"105"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10052","display_name":"Medical Image Segmentation Techniques","score":0.9997000098228455,"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":0.9997000098228455,"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":0.9977999925613403,"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":0.9930999875068665,"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/initialization","display_name":"Initialization","score":0.7781052589416504},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6397727727890015},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6348809003829956},{"id":"https://openalex.org/keywords/image-segmentation","display_name":"Image segmentation","score":0.6288662552833557},{"id":"https://openalex.org/keywords/active-contour-model","display_name":"Active contour model","score":0.6111469268798828},{"id":"https://openalex.org/keywords/spline","display_name":"Spline (mechanical)","score":0.6111462712287903},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.5803353190422058},{"id":"https://openalex.org/keywords/b-spline","display_name":"B-spline","score":0.5657005906105042},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4979109764099121},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.4905547499656677},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4677227735519409},{"id":"https://openalex.org/keywords/level-set","display_name":"Level set (data structures)","score":0.4587858021259308},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4142211377620697},{"id":"https://openalex.org/keywords/scale-space-segmentation","display_name":"Scale-space segmentation","score":0.4133871793746948},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3968314826488495},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3160158395767212}],"concepts":[{"id":"https://openalex.org/C114466953","wikidata":"https://www.wikidata.org/wiki/Q6034165","display_name":"Initialization","level":2,"score":0.7781052589416504},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6397727727890015},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6348809003829956},{"id":"https://openalex.org/C124504099","wikidata":"https://www.wikidata.org/wiki/Q56933","display_name":"Image segmentation","level":3,"score":0.6288662552833557},{"id":"https://openalex.org/C112353826","wikidata":"https://www.wikidata.org/wiki/Q127313","display_name":"Active contour model","level":4,"score":0.6111469268798828},{"id":"https://openalex.org/C10390562","wikidata":"https://www.wikidata.org/wiki/Q581809","display_name":"Spline (mechanical)","level":2,"score":0.6111462712287903},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.5803353190422058},{"id":"https://openalex.org/C15945459","wikidata":"https://www.wikidata.org/wiki/Q2083109","display_name":"B-spline","level":2,"score":0.5657005906105042},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4979109764099121},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.4905547499656677},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4677227735519409},{"id":"https://openalex.org/C153008295","wikidata":"https://www.wikidata.org/wiki/Q6535093","display_name":"Level set (data structures)","level":2,"score":0.4587858021259308},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4142211377620697},{"id":"https://openalex.org/C65885262","wikidata":"https://www.wikidata.org/wiki/Q7429708","display_name":"Scale-space segmentation","level":4,"score":0.4133871793746948},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3968314826488495},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3160158395767212},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/sibgra.2004.1352949","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sibgra.2004.1352949","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. 17th Brazilian Symposium on Computer Graphics and Image Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.530.5972","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.530.5972","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://sibgrapi.sid.inpe.br/col/sid.inpe.br/banon/2004/10.21.12.43/doc/sibgrapi_escrito.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.72.2146","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.72.2146","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://publicaciones.dc.uba.ar/Publications/2004/WMGB04/WMGB_2004.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1575616852","https://openalex.org/W1991113069","https://openalex.org/W2088114053","https://openalex.org/W2104095591","https://openalex.org/W2134820502","https://openalex.org/W2147963686","https://openalex.org/W2149184914","https://openalex.org/W2157026830","https://openalex.org/W2159955373","https://openalex.org/W2168938315","https://openalex.org/W2998023265","https://openalex.org/W4255333169"],"related_works":["https://openalex.org/W2368150111","https://openalex.org/W2125739208","https://openalex.org/W2098360446","https://openalex.org/W2299318636","https://openalex.org/W2888165508","https://openalex.org/W2168406752","https://openalex.org/W3023152879","https://openalex.org/W2766054123","https://openalex.org/W2135353231","https://openalex.org/W2391867215"],"abstract_inverted_index":{"The":[0,27],"active":[1,21],"contours":[2,33],"approach":[3],"is":[4,70],"an":[5],"oft-used":[6],"family":[7],"of":[8,53,75,85],"techniques":[9],"in":[10,51],"image":[11,25,40],"analysis.":[12],"This":[13],"work":[14,77],"presents":[15],"a":[16,63,73,78,82],"comparative":[17,83],"study":[18],"between":[19],"two":[20],"contour":[22],"approaches":[23],"for":[24,89],"segmentation.":[26],"level":[28],"sets":[29],"method":[30,91],"and":[31,46,56,62,81],"deformable":[32],"under":[34],"B-spline":[35],"representation":[36],"are":[37,47,60,92],"compared.":[38],"These":[39],"segmentation":[41],"methods":[42],"have":[43],"different":[44],"features":[45],"difficult":[48],"to":[49,65],"compare":[50],"terms":[52],"performance,":[54],"accuracy":[55],"initialization":[57],"conditions.":[58],"Both":[59],"implemented":[61],"way":[64],"calculate":[66],"the":[67,86],"approximation":[68,87],"error":[69,88],"developed.":[71],"As":[72],"conclusion":[74],"this":[76],"theoretical":[79],"comparison":[80],"characterization":[84],"each":[90],"presented.":[93]},"counts_by_year":[],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}