{"id":3309,"date":"2021-06-04T10:15:34","date_gmt":"2021-06-04T08:15:34","guid":{"rendered":"https:\/\/www.inesem.es\/revistadigital\/informatica-y-tics\/?p=3309"},"modified":"2022-03-10T16:41:43","modified_gmt":"2022-03-10T15:41:43","slug":"redes-neuronales-artificiales","status":"publish","type":"post","link":"https:\/\/www.inesem.es\/revistadigital\/informatica-y-tics\/redes-neuronales-artificiales","title":{"rendered":"Redes neuronales artificiales: la magia tras los deep-fakes"},"content":{"rendered":"<p><span data-contrast=\"auto\">En los \u00faltimos a\u00f1os se han hecho populares los <\/span><a href=\"https:\/\/www.inesem.es\/revistadigital\/informatica-y-tics\/deepfake\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong><i>deep-fakes<\/i><\/strong><\/a><span data-contrast=\"auto\">, modificaciones de fotos y v\u00eddeos <\/span><span data-contrast=\"auto\">ultra realistas<\/span><span data-contrast=\"auto\"> llevadas a cabo por redes neuronales. \u00bfPero sabes realmente cu\u00e1l es la tecno<\/span><span data-contrast=\"auto\">log\u00eda detr\u00e1s de estas falsificaciones? En este art\u00edculo te contamos todo lo que necesitas saber sobre las<strong> redes generativas ad<\/strong><\/span><strong>versarias<\/strong><span data-contrast=\"auto\"> (GAN), las redes neuronal detr\u00e1s de los <\/span><span data-contrast=\"auto\">deep-fakes<\/span><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_72 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.inesem.es\/revistadigital\/informatica-y-tics\/redes-neuronales-artificiales\/#%C2%BFQue_son_las_redes_neuronales_artificiales_o_generativas\" title=\"\u00bfQu\u00e9 son las redes neuronales artificiales o generativas?\">\u00bfQu\u00e9 son las redes neuronales artificiales o generativas?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.inesem.es\/revistadigital\/informatica-y-tics\/redes-neuronales-artificiales\/#Modelo_generativo_vs_modelo_discriminador\" title=\"Modelo generativo vs modelo discriminador\">Modelo generativo vs modelo discriminador<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.inesem.es\/revistadigital\/informatica-y-tics\/redes-neuronales-artificiales\/#Modelo_generador\" title=\"Modelo generador\">Modelo generador<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.inesem.es\/revistadigital\/informatica-y-tics\/redes-neuronales-artificiales\/#Modelo_discriminador\" title=\"Modelo discriminador\">Modelo discriminador<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.inesem.es\/revistadigital\/informatica-y-tics\/redes-neuronales-artificiales\/#%C2%BFComo_se_entrenan_las_redes_neuronales_artificiales_para_que_funcionen_con_mas_precision\" title=\"\u00bfC\u00f3mo se entrenan las redes neuronales artificiales para que funcionen con m\u00e1s precisi\u00f3n?\">\u00bfC\u00f3mo se entrenan las redes neuronales artificiales para que funcionen con m\u00e1s precisi\u00f3n?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.inesem.es\/revistadigital\/informatica-y-tics\/redes-neuronales-artificiales\/#Conclusion\" title=\"Conclusi\u00f3n\">Conclusi\u00f3n<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%C2%BFQue_son_las_redes_neuronales_artificiales_o_generativas\"><\/span>\u00bfQu\u00e9 son las redes neuronales artificiales o generativas?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span data-contrast=\"auto\">Las Redes artificiales <\/span><span data-contrast=\"auto\">Generativas<\/span> <span data-contrast=\"auto\">Adversarias<\/span><span data-contrast=\"auto\">, o GAN por sus <\/span><span data-contrast=\"auto\">siglas<\/span> <span data-contrast=\"auto\">en<\/span> <span data-contrast=\"auto\">ingl\u00e9s<\/span><span data-contrast=\"auto\">,<\/span> <span data-contrast=\"auto\">fueron<\/span> <span data-contrast=\"auto\">introducidas<\/span><span data-contrast=\"auto\"> por Ian Goodfellow, et al <\/span><span data-contrast=\"auto\">en<\/span> <span data-contrast=\"auto\">su<\/span> <span data-contrast=\"auto\">trabajo<\/span> <span data-contrast=\"auto\">\u201cGenerative Adversarial Networks\u201d [1]. <\/span><span data-contrast=\"auto\">Estas<\/span><strong> redes neuronales<\/strong> <span data-contrast=\"auto\">son una <\/span><span data-contrast=\"auto\">aproximaci\u00f3n<\/span><span data-contrast=\"auto\"> al <\/span><span data-contrast=\"auto\">modelado<\/span> <span data-contrast=\"auto\">generativo<\/span> <span data-contrast=\"auto\">utilizando<\/span> <span data-contrast=\"auto\">m\u00e9todos<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">aprendizaje<\/span><span data-contrast=\"auto\"> profundo, <\/span><span data-contrast=\"auto\">como<\/span><span data-contrast=\"auto\"> las redes <\/span><span data-contrast=\"auto\">neuronales<\/span> <span data-contrast=\"auto\">convolucionales<\/span><span data-contrast=\"auto\">.<\/span><strong> \u00bfPero de qu\u00e9 trata el modelado generativo?<\/strong><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span data-contrast=\"auto\">El <\/span><span data-contrast=\"auto\">modelado<\/span> <span data-contrast=\"auto\">generativo<\/span><span data-contrast=\"auto\"> de redes neuronales es una <\/span><span data-contrast=\"auto\">tarea<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">aprendizaje<\/span><span data-contrast=\"auto\"> no <\/span><span data-contrast=\"auto\">supervisado<\/span><span data-contrast=\"auto\">, <\/span><span data-contrast=\"auto\">enmarcada<\/span><span data-contrast=\"auto\"> dentro de<\/span><span data-contrast=\"auto\">l <\/span><span data-contrast=\"auto\">aprendizaje<\/span> <span data-contrast=\"auto\">autom\u00e1tico<\/span><span data-contrast=\"auto\">, <\/span><span data-contrast=\"auto\">que <\/span><span data-contrast=\"auto\">consiste<\/span> <span data-contrast=\"auto\">en<\/span> <span data-contrast=\"auto\">descubrir<\/span><span data-contrast=\"auto\"> y <\/span><span data-contrast=\"auto\">aprender<\/span> <span data-contrast=\"auto\">autom\u00e1ticamente<\/span><span data-contrast=\"auto\"> las <\/span><span data-contrast=\"auto\">regularidades<\/span><span data-contrast=\"auto\"> o <\/span><span data-contrast=\"auto\">patrones<\/span> <span data-contrast=\"auto\">en<\/span><span data-contrast=\"auto\"> los <\/span><span data-contrast=\"auto\">datos<\/span><span data-contrast=\"auto\"> de entrada de <\/span><span data-contrast=\"auto\">tal<\/span> <span data-contrast=\"auto\">manera<\/span><span data-contrast=\"auto\"> que <\/span><span data-contrast=\"auto\">el<\/span> <span data-contrast=\"auto\">modelo<\/span> <span data-contrast=\"auto\">pueda<\/span> <span data-contrast=\"auto\">utilizarse<\/span><span data-contrast=\"auto\"> para <\/span><span data-contrast=\"auto\">generar<\/span><span data-contrast=\"auto\"> o <\/span><span data-contrast=\"auto\">dar<\/span> <span data-contrast=\"auto\">salida<\/span><span data-contrast=\"auto\"> a <\/span><span data-contrast=\"auto\">nuevos<\/span> <span data-contrast=\"auto\">ejemplos<\/span><span data-contrast=\"auto\"> que <\/span><span data-contrast=\"auto\">plausiblemente<\/span> <span data-contrast=\"auto\">podr\u00edan<\/span> <span data-contrast=\"auto\">haberse<\/span> <span data-contrast=\"auto\">extra\u00eddo<\/span><span data-contrast=\"auto\"> del conjunto de <\/span><span data-contrast=\"auto\">datos<\/span><span data-contrast=\"auto\"> original<\/span><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Modelo_generativo_vs_modelo_discriminador\"><\/span>Modelo generativo vs modelo discriminador<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span data-contrast=\"auto\">L<\/span><span data-contrast=\"auto\">a<\/span><span data-contrast=\"auto\">s GANs son una forma <\/span><span data-contrast=\"auto\">inteligente<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">entrenar<\/span><span data-contrast=\"auto\"> un <\/span><span data-contrast=\"auto\">modelo<\/span> <span data-contrast=\"auto\">generativo<\/span><span data-contrast=\"auto\">, <\/span><span data-contrast=\"auto\">enmarcando<\/span> <span data-contrast=\"auto\">el<\/span> <span data-contrast=\"auto\">problema<\/span> <span data-contrast=\"auto\">como<\/span><span data-contrast=\"auto\"> un <\/span><span data-contrast=\"auto\">problema<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">aprendizaje<\/span> <span data-contrast=\"auto\">supervisado<\/span><span data-contrast=\"auto\"> con dos <\/span><span data-contrast=\"auto\">submodelos<\/span><span data-contrast=\"auto\">: <\/span><span data-contrast=\"auto\">el<\/span> <span data-contrast=\"auto\">modelo<\/span> <span data-contrast=\"auto\">generador<\/span> <span data-contrast=\"auto\">y <\/span><span data-contrast=\"auto\">el<\/span> <span data-contrast=\"auto\">modelo<\/span> <span data-contrast=\"auto\">discriminador<\/span><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Modelo_generador\"><\/span>Modelo generador<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span data-contrast=\"auto\">El <\/span><span data-contrast=\"auto\">modelo<\/span> <span data-contrast=\"auto\">generador<\/span><span data-contrast=\"auto\"> es <\/span><span data-contrast=\"auto\">el<\/span> <strong>encargado de generar los nuevos ejemplos<\/strong> <span data-contrast=\"auto\">en<\/span><span data-contrast=\"auto\"> base a los <\/span><span data-contrast=\"auto\">datos<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">partida<\/span><span data-contrast=\"auto\"> con los que <\/span><span data-contrast=\"auto\">contamos<\/span><span data-contrast=\"auto\">. <\/span><span data-contrast=\"auto\">Estos<\/span> <span data-contrast=\"auto\">modelos<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">aprendizaje<\/span> <span data-contrast=\"auto\">autom\u00e1tico<\/span> <span data-contrast=\"auto\">pueden<\/span> <span data-contrast=\"auto\">aprender<\/span> <span data-contrast=\"auto\">el<\/span> <span data-contrast=\"auto\">espacio<\/span> <span data-contrast=\"auto\">estad\u00edstico<\/span> <span data-contrast=\"auto\">latente<\/span><span data-contrast=\"auto\"> de las <\/span><span data-contrast=\"auto\">im\u00e1genes<\/span><span data-contrast=\"auto\">, la <\/span><span data-contrast=\"auto\">m\u00fasica<\/span><span data-contrast=\"auto\"> e <\/span><span data-contrast=\"auto\">incluso<\/span> <span data-contrast=\"auto\">historias<\/span><span data-contrast=\"auto\">. <\/span><span data-contrast=\"auto\">Tras<\/span> <span data-contrast=\"auto\">esto<\/span><span data-contrast=\"auto\">, <\/span><span data-contrast=\"auto\">el<\/span> <span data-contrast=\"auto\">modelo<\/span><span data-contrast=\"auto\"> es <\/span><span data-contrast=\"auto\">capaz<\/span><span data-contrast=\"auto\"> de<\/span> <span data-contrast=\"auto\">tomar<\/span> <span data-contrast=\"auto\">muestras<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">este<\/span> <span data-contrast=\"auto\">espacio<\/span><span data-contrast=\"auto\">, <\/span><span data-contrast=\"auto\">creando<\/span> <span data-contrast=\"auto\">nuevas<\/span> <span data-contrast=\"auto\">obras<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">arte<\/span><span data-contrast=\"auto\"> con <\/span><span data-contrast=\"auto\">caracter\u00edsticas<\/span> <span data-contrast=\"auto\">similares<\/span><span data-contrast=\"auto\"> a las que <\/span><span data-contrast=\"auto\">el<\/span> <span data-contrast=\"auto\">modelo<\/span><span data-contrast=\"auto\"> ha visto <\/span><span data-contrast=\"auto\">en<\/span><span data-contrast=\"auto\"> sus <\/span><span data-contrast=\"auto\">datos<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">entrenamiento<\/span><span data-contrast=\"auto\"> (<\/span><span data-contrast=\"auto\">datos<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">partida<\/span><span data-contrast=\"auto\">)<\/span><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Modelo_discriminador\"><\/span>Modelo discriminador<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span data-contrast=\"auto\">El <\/span><span data-contrast=\"auto\">modelo<\/span> <span data-contrast=\"auto\">discriminador<\/span> <span data-contrast=\"auto\">es <\/span><span data-contrast=\"auto\">el<\/span> <span data-contrast=\"auto\">encargado<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">intenta<\/span><span data-contrast=\"auto\">r<\/span> <span data-contrast=\"auto\">clasificar<\/span><span data-contrast=\"auto\"> los <\/span><span data-contrast=\"auto\">ejemplos<\/span> <span data-contrast=\"auto\">creados<\/span><span data-contrast=\"auto\"> con <\/span><span data-contrast=\"auto\">el<\/span> <span data-contrast=\"auto\">modelo<\/span> <span data-contrast=\"auto\">generador<\/span> <span data-contrast=\"auto\">como<\/span> <span data-contrast=\"auto\">reales<\/span><span data-contrast=\"auto\"> (<\/span><span data-contrast=\"auto\">pertenecientes<\/span><span data-contrast=\"auto\"> al<\/span> <span data-contrast=\"auto\">dominio<\/span><span data-contrast=\"auto\"> del <\/span><span data-contrast=\"auto\">problema<\/span><span data-contrast=\"auto\">) o <\/span><span data-contrast=\"auto\">falsos<\/span><span data-contrast=\"auto\"> (<\/span><span data-contrast=\"auto\">generados<\/span> <span data-contrast=\"auto\">artificialmente<\/span><span data-contrast=\"auto\">).<\/span> <span data-contrast=\"auto\">Tras<\/span> <span data-contrast=\"auto\">acabar<\/span> <span data-contrast=\"auto\">este<\/span> <span data-contrast=\"auto\">proceso<\/span><span data-contrast=\"auto\">, <\/span><span data-contrast=\"auto\">este<\/span> <span data-contrast=\"auto\">modelo<\/span> <span data-contrast=\"auto\">discriminador<\/span><span data-contrast=\"auto\"> es <\/span><span data-contrast=\"auto\">descartado<\/span> <span data-contrast=\"auto\">para <\/span><span data-contrast=\"auto\">quedarnos<\/span> <span data-contrast=\"auto\">\u00fanicamente<\/span><span data-contrast=\"auto\"> con <\/span><span data-contrast=\"auto\">el<\/span> <span data-contrast=\"auto\">modelo<\/span> <span data-contrast=\"auto\">generador<\/span><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%C2%BFComo_se_entrenan_las_redes_neuronales_artificiales_para_que_funcionen_con_mas_precision\"><\/span>\u00bfC\u00f3mo se entrenan las redes neuronales artificiales para que funcionen con m\u00e1s precisi\u00f3n?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span data-contrast=\"auto\">\u00bfPero c\u00f3mo entrenamos estos modelos para que sean capaces de generar y discriminar? <\/span><span data-contrast=\"auto\">Estos dos modelos, generador y discriminador, se entrenan en paralelo<\/span><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span data-contrast=\"auto\">El modelo generador crea una serie de ejemplos de redes neuronales artificiales, y junto a unos cuantos ejemplos reales, se le alimentan al modelo discriminador <\/span><span data-contrast=\"auto\">para que los separe en verdaderos (ejemplos reales) o falsos (ejemplos generados).<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span data-contrast=\"auto\">Tras esto, el discriminador se actualiza para que sea mejor discriminando los ejemplos en<\/span><span data-contrast=\"auto\"> la siguiente ronda, al igual que el modelo generador se actualiza para que cree mejores ejemplos. Este proceso se detiene cuando el modelo discriminador no es capaz de discernir entre un ejemplo real y otro generado artificialmente por nuestro modelo generador.<\/span><\/p>\n<p style=\"text-align: justify;\"><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\"><br \/>\n<\/span><\/p>\n<p style=\"text-align: justify;\"><span data-contrast=\"auto\">En este caso, podemos ver este proceso como un juego de suma cero donde si el discriminador es capaz de discernir<\/span><span data-contrast=\"auto\"> entre ejemplos falsos y verdaderos se le premia (no se cambian sus par\u00e1metros)<\/span><span data-contrast=\"auto\">,<\/span><span data-contrast=\"auto\"> mientras que el generador es penalizado (se ajustan sus par\u00e1metros para intentar mejorarlo). Esto tambi\u00e9n ocurre en el caso contrario, donde el <\/span><span data-contrast=\"auto\">discriminador no es capaz de distinguir los ejemplos que el generador ha conseguido crear.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span data-contrast=\"auto\">Podemos pensar que el generador es como un falsificador, que intenta hacer dinero falso, y el discriminador es como la polic\u00eda, que intenta permitir el dinero leg\u00edtimo y atrapar el dinero falso. Para tener \u00e9xito en este juego, el falsificador debe aprender a fabricar dinero que no se distinga del aut\u00e9ntico.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span data-contrast=\"auto\">En el caso ideal, obtendr\u00edamos un generador que es capaz de crear ejemplos indistinguibles de los reales en el 100% de los casos. Esto se considera un caso ideal que rara vez es conseguido, lo que no si<\/span><span data-contrast=\"auto\">gnifica que un generador con menor precisi\u00f3n no sea \u00fatil.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusi\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span data-contrast=\"auto\">Como <\/span><span data-contrast=\"auto\">hemos<\/span><span data-contrast=\"auto\"> visto, las<\/span><span data-contrast=\"auto\"> GAN son un <strong>campo <\/strong><\/span><strong>apasionante<\/strong><span data-contrast=\"auto\"> y <\/span><span data-contrast=\"auto\">en<\/span> <strong>r\u00e1pida evoluci\u00f3n<\/strong><span data-contrast=\"auto\">, que <\/span><span data-contrast=\"auto\">cumple<\/span><span data-contrast=\"auto\"> la <\/span><span data-contrast=\"auto\">promesa<\/span><span data-contrast=\"auto\"> de los <\/span><span data-contrast=\"auto\">modelos<\/span> <span data-contrast=\"auto\">generativos<\/span> <span data-contrast=\"auto\">en<\/span> <span data-contrast=\"auto\">cuanto<\/span><span data-contrast=\"auto\"> a <\/span><span data-contrast=\"auto\">su<\/span> <span data-contrast=\"auto\">capacidad<\/span><span data-contrast=\"auto\"> para <\/span><span data-contrast=\"auto\">generar<\/span> <span data-contrast=\"auto\">ejemplos<\/span> <span data-contrast=\"auto\">realistas<\/span> <span data-contrast=\"auto\">en<\/span><span data-contrast=\"auto\"> una <\/span><span data-contrast=\"auto\">serie<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">dominios<\/span> <span data-contrast=\"auto\">problem\u00e1ticos<\/span><span data-contrast=\"auto\">, <\/span><span data-contrast=\"auto\">sobre<\/span> <span data-contrast=\"auto\">todo<\/span> <span data-contrast=\"auto\">en<\/span> <span data-contrast=\"auto\">tareas<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">traducci\u00f3n<\/span><span data-contrast=\"auto\"> de imagen <\/span><span data-contrast=\"auto\">a<\/span><span data-contrast=\"auto\"> imagen, <\/span><span data-contrast=\"auto\">como<\/span><span data-contrast=\"auto\"> la <\/span><span data-contrast=\"auto\">traducci\u00f3n<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">fotos<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">verano<\/span> <span data-contrast=\"auto\">a<\/span> <span data-contrast=\"auto\">invierno<\/span><span data-contrast=\"auto\"> o de d\u00eda a <\/span><span data-contrast=\"auto\">noche<\/span><span data-contrast=\"auto\">, y <\/span><span data-contrast=\"auto\">en<\/span><span data-contrast=\"auto\"> la <\/span><span data-contrast=\"auto\">generaci\u00f3n<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">fotos<\/span> <span data-contrast=\"auto\">fotorrealistas<\/span><span data-contrast=\"auto\"> de <\/span><span data-contrast=\"auto\">objetos<\/span><span data-contrast=\"auto\">, <\/span><span data-contrast=\"auto\">escenas<\/span><span data-contrast=\"auto\"> y personas que <\/span><span data-contrast=\"auto\">ni<\/span> <span data-contrast=\"auto\">siquiera<\/span><span data-contrast=\"auto\"> los <\/span><span data-contrast=\"auto\">humanos<\/span> <span data-contrast=\"auto\">pueden<\/span> <span data-contrast=\"auto\">distinguir<\/span> <span data-contrast=\"auto\">como<\/span><span data-contrast=\"auto\"> falsas.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span data-contrast=\"auto\"><strong>Pero esto no acaba aqu\u00ed, <\/strong>ya se plantea usar estas redes neuronales artificiales para crear dise\u00f1os de <a href=\"https:\/\/computerhoy.com\/reportajes\/tecnologia\/consiste-deepfake-446355\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">chips m\u00e1s avanzados y optimizados<\/a>, descubrir nuevos procesos qu\u00edmicos <\/span><span data-contrast=\"auto\">y,<\/span><span data-contrast=\"auto\"> en definitiva, <strong>intentar superar la capacidad creativa del ser humano.<\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Los deepfake son lo \u00faltimo en tecnolog\u00eda audiovisual. \u00bfC\u00f3mo se generan?<\/p>\n","protected":false},"author":91808,"featured_media":3316,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"class_list":["post-3309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-redes-sistemas-y-seguridad"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin 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