{"id":7266,"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":"2020-08-23T16:35:16","modified_gmt":"2020-08-23T14:35:16","slug":"lull-o-la-camera-fotografica-estudi-comparatiu-sobre-la-seva-agudesa-visual","status":"publish","type":"project","link":"https:\/\/outreach-wp.ixole.es\/ca\/project\/lull-o-la-camera-fotografica-estudi-comparatiu-sobre-la-seva-agudesa-visual\/","title":{"rendered":"L’ull o la c\u00e0mera fotogr\u00e0fica? Estudi comparatiu sobre la seva agudesa visual"},"content":{"rendered":"

[et_pb_section fb_built=”1″ admin_label=”section” _builder_version=”4.5.1″ background_color=”#e1e1e1″ custom_padding=”0px||0px|” transparent_background=”off” make_fullwidth=”off” use_custom_width=”off” width_unit=”on”][et_pb_row column_structure=”1_3,1_3,1_3″ use_custom_gutter=”on” gutter_width=”1″ make_equal=”on” admin_label=”row” module_class=” et_pb_row_fullwidth” _builder_version=”4.5.1″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” width=”100%” width_tablet=”100%” width_phone=”” width_last_edited=”on|desktop” max_width=”100%” max_width_tablet=”100%” max_width_phone=”” max_width_last_edited=”on|desktop” custom_padding=”0px||0px|” make_fullwidth=”on” use_custom_width=”off” width_unit=”on”][et_pb_column type=”1_3″ _builder_version=”4.5.1″ background_color=”#3b4249″ custom_padding=”45px|45px|22.5px|45px|false|false” custom_padding__hover=”|||”][et_pb_post_title meta=”off” featured_image=”off” _builder_version=”4.5.6″ _module_preset=”default” title_text_color=”#d7ac2f”][\/et_pb_post_title][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.5.1″ background_color=”#d1d1cb” custom_padding=”45px|45px|22.5px|45px|false|false” custom_padding__hover=”|||”][et_pb_text admin_label=”Texto” _builder_version=”4.5.7″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” use_border_color=”off” border_color=”#ffffff” border_style=”solid”]<\/p>\n

cristina aransay urrios
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<\/h3>\n

institut baldiri guilera – el prat de llobregat
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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 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

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

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

El treball desenvolupat\u00a0 fins ara ha estat el seg\u00fcent:<\/p>\n

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

Els resultats encara estan per concloure.<\/p>\n

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cristina aransay urrios institut baldiri guilera – el prat de llobregatLa 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 inassumible) de l\u2019ull hum\u00e0, que \u00e9s un mecanisme \u00f2ptic molt m\u00e9s complex […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":""},"project_category":[215,217,293,223,285],"project_tag":[],"acf":[],"yoast_head":"\nL'ull o la c\u00e0mera fotogr\u00e0fica? 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