{"id":6916,"date":"2020-08-21T22:24:07","date_gmt":"2020-08-21T20:24:07","guid":{"rendered":"https:\/\/outreach-wp.ixole.es\/project\/desenvolupament-dun-sistema-de-reconeixement-facial\/"},"modified":"2020-08-23T21:46:45","modified_gmt":"2020-08-23T19:46:45","slug":"desenvolupament-dun-sistema-de-reconeixement-facial","status":"publish","type":"project","link":"https:\/\/outreach-wp.ixole.es\/es\/project\/desenvolupament-dun-sistema-de-reconeixement-facial\/","title":{"rendered":"Desenvolupament d&#8217;un sistema de reconeixement facial"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00bb1&#8243; admin_label=\u00bbsection\u00bb _builder_version=\u00bb4.5.1&#8243; background_color=\u00bb#e1e1e1&#8243; custom_padding=\u00bb0px||0px|\u00bb transparent_background=\u00bboff\u00bb make_fullwidth=\u00bboff\u00bb use_custom_width=\u00bboff\u00bb width_unit=\u00bbon\u00bb][et_pb_row column_structure=\u00bb1_3,1_3,1_3&#8243; use_custom_gutter=\u00bbon\u00bb gutter_width=\u00bb1&#8243; make_equal=\u00bbon\u00bb admin_label=\u00bbrow\u00bb module_class=\u00bb et_pb_row_fullwidth\u00bb _builder_version=\u00bb4.5.1&#8243; background_size=\u00bbinitial\u00bb background_position=\u00bbtop_left\u00bb background_repeat=\u00bbrepeat\u00bb width=\u00bb100%\u00bb width_tablet=\u00bb100%\u00bb width_phone=\u00bb\u00bb width_last_edited=\u00bbon|desktop\u00bb max_width=\u00bb100%\u00bb max_width_tablet=\u00bb100%\u00bb max_width_phone=\u00bb\u00bb max_width_last_edited=\u00bbon|desktop\u00bb custom_padding=\u00bb0px||0px|\u00bb make_fullwidth=\u00bbon\u00bb use_custom_width=\u00bboff\u00bb width_unit=\u00bbon\u00bb][et_pb_column type=\u00bb1_3&#8243; _builder_version=\u00bb4.5.1&#8243; background_color=\u00bb#3b4249&#8243; custom_padding=\u00bb45px|45px|22.5px|45px|false|false\u00bb custom_padding__hover=\u00bb|||\u00bb][et_pb_post_title meta=\u00bboff\u00bb featured_image=\u00bboff\u00bb _builder_version=\u00bb4.5.6&#8243; _module_preset=\u00bbdefault\u00bb title_text_color=\u00bb#d7ac2f\u00bb][\/et_pb_post_title][\/et_pb_column][et_pb_column type=\u00bb1_3&#8243; _builder_version=\u00bb4.5.1&#8243; background_color=\u00bb#d1d1cb\u00bb custom_padding=\u00bb45px|45px|22.5px|45px|false|false\u00bb custom_padding__hover=\u00bb|||\u00bb][et_pb_text admin_label=\u00bbTexto\u00bb _builder_version=\u00bb4.5.7&#8243; background_size=\u00bbinitial\u00bb background_position=\u00bbtop_left\u00bb background_repeat=\u00bbrepeat\u00bb use_border_color=\u00bboff\u00bb border_color=\u00bb#ffffff\u00bb border_style=\u00bbsolid\u00bb]<\/p>\n<h3><span style=\"color: #3b4249;\">Pau FOnt salat<\/span><\/h3>\n<h4><span style=\"color: #3b4249;\">escola virolai &#8211; barcelona<\/span><\/h4>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00bb1_3&#8243; _builder_version=\u00bb4.5.1&#8243; background_color=\u00bb#d1d1cb\u00bb custom_padding=\u00bb45px|45px|22.5px|45px|false|false\u00bb custom_padding__hover=\u00bb|||\u00bb][et_pb_text admin_label=\u00bbTexto\u00bb _builder_version=\u00bb4.5.1&#8243; background_size=\u00bbinitial\u00bb background_position=\u00bbtop_left\u00bb background_repeat=\u00bbrepeat\u00bb use_border_color=\u00bboff\u00bb border_color=\u00bb#ffffff\u00bb border_style=\u00bbsolid\u00bb]<\/p>\n<p>Les tecnologies de reconeixement facial s\u00f3n una \u00e0rea molt activa en el camp de la visi\u00f3 per computador i s\u2019han estudiat durant m\u00e9s de trenta anys. Encara que l\u2019habilitat d\u2019identificar \u00e9s f\u00e0cilment realitzable en l\u2019\u00e9sser hum\u00e0, \u00e9s dif\u00edcil d\u2019implementar en un ordinador.<br \/>Un sistema de reconeixement facial es basa generalment en el seg\u00fcent:<br \/>Es d\u00f3na una imatge on apareix una cara de moment \u201cdesconeguda\u201d per l\u2019ordinador, s\u2019analitza la imatge i es troba la identitat d\u2019aquella cara tot comparant-la amb una base de dades de cares ja \u201cconegudes\u201d.<br \/>En aquest treball es proposa programar un sistema de reconeixement facial per aix\u00ed, m\u00e9s tard, utilitzar el codi i implementar-lo a l\u2019Escola Virolai, amb l\u2019objectiu de millorar la seguretat i vigil\u00e0ncia de les aules aix\u00ed com el control de nens per part dels professors.<br \/>El sistema \u00e9s desenvolupat en un entorn sobre Linux mitjan\u00e7ant Python com a eina de codificaci\u00f3 i utilitzant la llibreria OpenCV per el processament d\u2019imatges i l\u2019\u00fas de diverses funcions relacionades amb el<br \/>reconeixement.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00bb4.5.1&#8243; 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