{"id":81723,"date":"2018-03-10T00:05:37","date_gmt":"2018-03-10T00:05:37","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/reconocimiento-de-sa%c2%admbolos-graficos-a-mano-alzada-mediante-modelos-deformables-en-un-entorno-bayesiano\/"},"modified":"2018-03-10T00:05:37","modified_gmt":"2018-03-10T00:05:37","slug":"reconocimiento-de-sa%c2%admbolos-graficos-a-mano-alzada-mediante-modelos-deformables-en-un-entorno-bayesiano","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/matematicas\/reconocimiento-de-sa%c2%admbolos-graficos-a-mano-alzada-mediante-modelos-deformables-en-un-entorno-bayesiano\/","title":{"rendered":"Reconocimiento de s\u00edmbolos gr\u00e1ficos a mano alzada mediante modelos deformables en un entorno bayesiano."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ernest Valveny Llobet <\/strong><\/h2>\n<p>La existencia de gran cantidad de documentos sobre papel junto conla utilizaci\u00f3n cada vez m\u00e1s amplia de aplicaciones de edici\u00f3n electr\u00f3nica de documentos han motivado el inter\u00e9s en el desarrollo de sistemas de an\u00e1lisis de documentos que sean capaces de interpretar autom\u00e1ticamente la informaci\u00f3n contenida en los documentos enpapel, y convertirla a un formato compatible con las diferentes herramientas de edici\u00f3n electr\u00f3nica. El desarrollo de este tipo de sistemas permite la reutilizaci\u00f3n y modidficaci\u00f3n de documentos antiguos en papel, as\u00ed como el dise\u00f1o de nuevas interficies de comunicaci\u00f3n entre el usuario y el ordenador m\u00e1s c\u00f3modas y f\u00e1ciles de utilizar, basadas en la interpretaci\u00f3n de documentos escritos a mano por el usuario. Uno de los campos donde este nuevo tipo de interficies es especialmente \u00fatil es el relativo a los documentos con predominio de la informci\u00f3n gr\u00e1fica: mapas, planos, diagramas, etc.  uno de los problemas comunes a la interpretaci\u00f3n de cualquier documento gr\u00e1fico es el reconocimiento de los s\u00edmbolos que aparecen en el documento. cuando el documento est\u00e1 dibujado a mano alzada, la imprecisi\u00f3n, la distorsi\u00f3n y el ruido presentes en los s\u00edmbolos aumentan, dificultando la discriminaci\u00f3n entre los diferentes s\u00edmbolos.  en esta tesis hemos abordado el  problema del reconocimiento de s\u00edmbolos en documentos gr\u00e1ficos dibujados a mano alzada, mediante la utilizaci\u00f3n de modelos  deformables con una formulaci\u00f3n bayesiana. Los modelos deformables poseen una gran capacidad para tratar convariaciones importantes en la forma de los objetos, mientras ue la inferencia baysiana permite modelizar la incerteza, caracter\u00edsticas que los convierten en un enfoque atractivo para resolver los problemas que aparecen debido a la imprecisi\u00f3n y distorsi\u00f3n de los s\u00edmbolos dibujados a mano alzada.  los s\u00edmbolos que se encuentran en los documentos gr\u00e1ficos est\u00e1n compuestos por l\u00edneas. Este hecho permite d<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Reconocimiento de s\u00edmbolos gr\u00e1ficos a mano alzada mediante modelos deformables en un entorno bayesiano.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Reconocimiento de s\u00edmbolos gr\u00e1ficos a mano alzada mediante modelos deformables en un entorno bayesiano. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ernest Valveny Llobet <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 16\/12\/1999<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Enric Mart\u00ed G\u00f3dia<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  jose Villanueva pipa\u00f3n <\/li>\n<li>jordi Saludes closa (vocal)<\/li>\n<li>karl Tombre (vocal)<\/li>\n<li>xulio Fern\u00e1ndez hermida (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ernest Valveny Llobet La existencia de gran cantidad de documentos sobre papel junto conla utilizaci\u00f3n cada vez 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