{"id":36838,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/factors-determinants-per-a-la-deteccio-i-localitzacio-de-referencies-sintetiques-minimament-invasives-mitjancant-visio-per-ordinador\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"factors-determinants-per-a-la-deteccio-i-localitzacio-de-referencies-sintetiques-minimament-invasives-mitjancant-visio-per-ordinador","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/matematicas\/factors-determinants-per-a-la-deteccio-i-localitzacio-de-referencies-sintetiques-minimament-invasives-mitjancant-visio-per-ordinador\/","title":{"rendered":"Factors determinants per a la deteccio i localitzacio de referencies sintetiques minimament invasives mitjancant visio per ordinador."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Francesc Xavier Fernandez Molinet <\/strong><\/h2>\n<p>Las referencias sint\u00e9ticas (rs) son elementos incorporados deliberadamente a una escena con objeto de localizar f\u00e1cilmente en ella la posici\u00f3n de puntos de inter\u00e9s, cuando los objetos propios de la escena no poseen estructuras que permitan ser usadas como referencias posicionales fiables. Una caracter\u00edstica importante de las rs es que existe una libertad potencial de definici\u00f3n en cuanto a su forma y dimensiones.  el trabajo realizado se enfoca el objetivo de minimizar el tama\u00f1o de las rs garantizando su capacidad de detecci\u00f3n, en un proceso de localizaci\u00f3n por b\u00fasqueda mediante una medida de similitud. Los objetivos que se persiguen son:  . Analizar la influencia de los factores de entorno (adquisici\u00f3n, resoluci\u00f3n, sistema \u00f3ptico, discriminaci\u00f3n y ruido) sobre la capacidad de detecci\u00f3n de las rs peque\u00f1as, con relaci\u00f3n a los factores de dise\u00f1o (forma y tama\u00f1o).  . Determinar los m\u00ednimos tama\u00f1os detectables para cada dise\u00f1o estudiado y para una capacidad de detecci\u00f3n dada, bajo diversas condiciones de los factores de entorno.  . Proponer un dise\u00f1o de forma para las referencias sint\u00e9ticas que optimice el objetivo de minimizaci\u00f3n del tama\u00f1o.  la metodolog\u00eda desarrollada se basa en el uso como medida de similitud de la correlaci\u00f3n normalizada (cn), a partir de la cual se definen dos cantidades de evaluaci\u00f3n de la capacidad de detecci\u00f3n: la m\u00ednima similitud de localizaci\u00f3n (msl) y el margen de discriminaci\u00f3n (md). Se utiliza un modelo geom\u00e9trico orientado a estudiar la relaci\u00f3n entre la forma de la rs i el factor relativo a la discretizaci\u00f3n espacial de la medida de similitud, analizando la p\u00e9rdida de la invariancia a la traslaci\u00f3n del proceso de localizaci\u00f3n. La influencia de los factores de la adquisici\u00f3n (pixelado y sistema \u00f3ptico) y de la escena (discriminaci\u00f3n de objetos extra\u00f1os, ruido) se estudia mediante simulaci\u00f3n.  como resultado se demuestra que el rombo regular (cuad<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Factors determinants per a la deteccio i localitzacio de referencies sintetiques minimament invasives mitjancant visio per ordinador.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Factors determinants per a la deteccio i localitzacio de referencies sintetiques minimament invasives mitjancant visio per ordinador. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Francesc Xavier Fernandez Molinet <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de catalunya<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/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>Josep Amat Girbau<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: alicia Casals gelpi <\/li>\n<li>Jos\u00e9 ram\u00f3n De Francisco moneo (vocal)<\/li>\n<li>Mar\u00eda  josefa Yzuel gimenez (vocal)<\/li>\n<li>josep Grane manlleu (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Francesc Xavier Fernandez Molinet Las referencias sint\u00e9ticas (rs) son elementos incorporados deliberadamente a una escena con objeto 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