{"id":7283,"date":"2020-08-23T16:26:03","date_gmt":"2020-08-23T14:26:03","guid":{"rendered":"https:\/\/outreach-wp.ixole.es\/project\/lull-o-la-camera-fotografica-estudi-comparatiu-sobre-la-seva-agudesa-visual\/"},"modified":"2020-08-23T16:40:46","modified_gmt":"2020-08-23T14:40:46","slug":"lull-o-la-camera-fotografica-estudi-comparatiu-sobre-la-seva-agudesa-visual","status":"publish","type":"project","link":"https:\/\/outreach-wp.ixole.es\/es\/project\/lull-o-la-camera-fotografica-estudi-comparatiu-sobre-la-seva-agudesa-visual\/","title":{"rendered":"L&#8217;ull o la c\u00e0mera fotogr\u00e0fica? Estudi comparatiu sobre la seva agudesa visual"},"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;\">cristina aransay urrios<br \/><\/span><\/h3>\n<p><span style=\"color: #3b4249;\"><\/span><\/p>\n<h3><\/h3>\n<h4><span style=\"color: #3b4249;\">institut baldiri guilera &#8211; el prat de llobregat<br \/><\/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>La c\u00e0mera fotogr\u00e0fica va ser inventada fa pocs segles amb el fi d\u2019imitar el mecanisme de l\u2019ull hum\u00e0.\u00a0 Aquesta s\u2019ha anat optimitzant al llarg dels anys per intentar aconseguir la mateixa qualitat (aparentment <span>inassumible<\/span>) de l\u2019ull hum\u00e0, que \u00e9s un mecanisme \u00f2ptic molt m\u00e9s complex ja que ha tingut una evoluci\u00f3 al llarg de milers i milers d\u2019anys ; per\u00f2 la tecnologia avan\u00e7a actualment a un ritme vertigin\u00f3s i la q\u00fcesti\u00f3 \u00e9s si ha avan\u00e7at prou com per arribar a superar en alguns aspectes, i determinar-ne quins, als nostres ulls.<\/p>\n<p>L\u2019objectiu d\u2019aquest treball \u00e9s fer un an\u00e0lisis complet de la c\u00e0mera fotogr\u00e0fica i l\u2019ull hum\u00e0, i determinar si la qualitat\u00a0 de la c\u00e0mera\u00a0 fotogr\u00e0fica pot arribar a superar la qualitat de l\u2019ull hum\u00e0.<\/p>\n<p>La hip\u00f2tesi \u00e9s que la c\u00e0mera fotogr\u00e0fica, malgrat els aven\u00e7os tecnol\u00f2gics, mai arribar\u00e0 a captar imatges amb tan bona qualitat, per\u00f2 que en alguns aspectes (determinar quins) \u00e9s millor que l\u2019ull hum\u00e0. Un d\u2019aquests\u00a0 aspectes importants \u00e9s l\u2019agudesa visual, que \u00e9s la capacitat d\u2019un instrument \u00f2ptic per detectar la separaci\u00f3 entre dos punts d\u2019una imatge molt pr\u00f2xims entre si, en condicions de llum, distancia i contrast controlades.<\/p>\n<p>El treball desenvolupat\u00a0 fins ara ha estat el seg\u00fcent:<\/p>\n<p>En primer lloc he realitzat una recerca d\u2019informaci\u00f3 per saber\u00a0 com es capten les imatges i el recorregut de la llum en la c\u00e0mera i en l\u2019ull respectivament; tamb\u00e9 per saber identificar les seves parts. Posteriorment, he calculat la resoluci\u00f3 est\u00e0ndard d\u2019una c\u00e0mera reflex i la d\u2019un ull (a la seva m\u00e0xima densitat de fotoreceptors) i per verificar\u00a0 aquests resultats, he dissenyat un experiment que hem permetr\u00e0 detectar l\u2019agudesa visual tant de diferents c\u00e0meres com d\u2019ulls de diferents persones, o poder\u00a0 treure\u2019n diferents conclusions.<\/p>\n<p>Els resultats encara estan per concloure.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00bb4.5.1&#8243; _module_preset=\u00bbdefault\u00bb background_color=\u00bb#e1e1e1&#8243;][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.5.1&#8243; _module_preset=\u00bbdefault\u00bb background_color=\u00bb#e1e1e1&#8243;][et_pb_image src=\u00bbhttps:\/\/outreach-wp.ixole.es\/wp-content\/uploads\/2020\/08\/aransay.jpg\u00bb title_text=\u00bbaransay\u00bb url=\u00bbhttps:\/\/outreach-wp.ixole.es\/wp-content\/uploads\/2020\/08\/aransay.jpg\u00bb align=\u00bbcenter\u00bb force_fullwidth=\u00bbon\u00bb _builder_version=\u00bb4.5.7&#8243; 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