{"id":116,"date":"2012-01-17T08:21:47","date_gmt":"2012-01-17T08:21:47","guid":{"rendered":"http:\/\/lousodrome.net\/blog\/light\/?p=116"},"modified":"2012-10-17T09:22:39","modified_gmt":"2012-10-17T09:22:39","slug":"draft-on-depth-of-field-resources","status":"publish","type":"post","link":"https:\/\/lousodrome.net\/blog\/light\/2012\/01\/17\/draft-on-depth-of-field-resources\/","title":{"rendered":"Draft on depth of field resources"},"content":{"rendered":"<p>What is mostly in my thoughts recently when it comes to rendering is real time depth of field effect. I intend to read state of the art material on the matter and hopefully post a well formed summary, just like I did for <a href=\"http:\/\/lousodrome.net\/blog\/light\/2011\/12\/27\/readings-on-physically-based-rendering\/\">physically based rendering<\/a>, but until then I thought I would list a few resources already.<\/p>\n<ul>\n<li><a href=\"http:\/\/pouet.net\/topic.php?which=8176&amp;page=1&amp;x=14&amp;y=9\">A discussion on Pou\u00ebt on bokeh effects<\/a><\/li>\n<li>An article by <a href=\"http:\/\/twitter.com\/kenpex\">Angelo Pesce<\/a> (with code sample) on the <a href=\"http:\/\/c0de517e.blogspot.com\/2012\/01\/current-gen-dof-and-mb.html\">combination of DoF and motion blur<\/a><\/li>\n<li>A discussion (see the comments) on the same blog, about <a href=\"http:\/\/c0de517e.blogspot.com\/2009\/09\/calling-for-brainstorm.html\">ideas to implement DoF<\/a><\/li>\n<li><a href=\"http:\/\/www.daionet.gr.jp\/~masa\/archives\/CEDEC2009_Anti-DownsizedBufferArtifacts.ppt\">The slides (in Japanese) of a talk by Masaki Kawase<\/a>, covering among other topics, a separable bokeh depth of field<\/li>\n<li>In their SIGGRAPH 2011 course, <a href=\"http:\/\/advances.realtimerendering.com\/s2011\/White,%20BarreBrisebois-%20Rendering%20in%20BF3%20%28Siggraph%202011%20Advances%20in%20Real-Time%20Rendering%20Course%29.pdf\">DICE also presented a separable bokeh depth of field<\/a>, which I haven&#8217;t read yet, but looks very similar to Kawase&#8217;s one<\/li>\n<li>Matt Pettineo\u00a0also discussed a few approaches to <a href=\"http:\/\/mynameismjp.wordpress.com\/2011\/02\/28\/bokeh\/\">fake bokeh<\/a>.<\/li>\n<\/ul>\n<p>That&#8217;s all for now. ;-)<\/p>\n<blockquote><p><strong>Update<\/strong>: after further documentation, both Kawase&#8217;s\u00a0 and DICE&#8217;s techniques indeed rely on the idea of creating an hexagon shaped bokeh by decomposing it into three skewed boxes, but while Kawase&#8217;s approach uses seven passes, DICE&#8217;s one takes it down to two passes thanks to some clever use of multirender targets.<\/p>\n<p>Also, I forgot to mention a second article of Matt Pettineo, where he suggests a <a href=\"http:\/\/mynameismjp.wordpress.com\/2011\/04\/19\/bokeh-ii-the-sequel\/\">combination of techniques<\/a> to achieve a better result.<\/p><\/blockquote>\n<div style=\"width: 510px\" class=\"wp-caption alignnone\"><a title=\"Show your difference de Virtual Zavie, sur Flickr\" href=\"http:\/\/www.flickr.com\/photos\/zavie\/4155124011\/\"><img decoding=\"async\" loading=\"lazy\" src=\"http:\/\/farm3.staticflickr.com\/2736\/4155124011_1c416b1a70.jpg\" alt=\"Show your difference\" width=\"500\" height=\"333\" \/><\/a><p class=\"wp-caption-text\">An example of actual bokeh in a photo of mine<\/p><\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is mostly in my thoughts recently when it comes to rendering is real time depth of field effect. I intend to read state of the art material on the matter and hopefully post a well formed summary, just like &hellip; <a href=\"https:\/\/lousodrome.net\/blog\/light\/2012\/01\/17\/draft-on-depth-of-field-resources\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17],"tags":[71,70,72,73,227],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Draft on depth of field resources &ndash; Light is beautiful<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/lousodrome.net\/blog\/light\/2012\/01\/17\/draft-on-depth-of-field-resources\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Draft on depth of field resources &ndash; Light is beautiful\" \/>\n<meta property=\"og:description\" content=\"What is mostly in my thoughts recently when it comes to rendering is real time depth of field effect. I intend to read state of the art material on the matter and hopefully post a well formed summary, just like &hellip; Continue reading &rarr;\" \/>\n<meta property=\"og:url\" content=\"http:\/\/lousodrome.net\/blog\/light\/2012\/01\/17\/draft-on-depth-of-field-resources\/\" \/>\n<meta property=\"og:site_name\" content=\"Light is beautiful\" \/>\n<meta property=\"article:published_time\" content=\"2012-01-17T08:21:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2012-10-17T09:22:39+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/farm3.staticflickr.com\/2736\/4155124011_1c416b1a70.jpg\" \/>\n<meta name=\"author\" content=\"Julien Guertault\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Zavie\" \/>\n<meta name=\"twitter:site\" content=\"@Zavie\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Julien Guertault\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\/\/lousodrome.net\/blog\/light\/2012\/01\/17\/draft-on-depth-of-field-resources\/#article\",\"isPartOf\":{\"@id\":\"http:\/\/lousodrome.net\/blog\/light\/2012\/01\/17\/draft-on-depth-of-field-resources\/\"},\"author\":{\"name\":\"Julien Guertault\",\"@id\":\"https:\/\/lousodrome.net\/blog\/light\/#\/schema\/person\/a16a2a69d73eca763ffdf125c49eaa2f\"},\"headline\":\"Draft on depth of field resources\",\"datePublished\":\"2012-01-17T08:21:47+00:00\",\"dateModified\":\"2012-10-17T09:22:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\/\/lousodrome.net\/blog\/light\/2012\/01\/17\/draft-on-depth-of-field-resources\/\"},\"wordCount\":252,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/lousodrome.net\/blog\/light\/#\/schema\/person\/a16a2a69d73eca763ffdf125c49eaa2f\"},\"keywords\":[\"bokeh\",\"depth of field\",\"motion blur\",\"post processing\",\"reading list\"],\"articleSection\":[\"Rendering\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"http:\/\/lousodrome.net\/blog\/light\/2012\/01\/17\/draft-on-depth-of-field-resources\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/lousodrome.net\/blog\/light\/2012\/01\/17\/draft-on-depth-of-field-resources\/\",\"url\":\"http:\/\/lousodrome.net\/blog\/light\/2012\/01\/17\/draft-on-depth-of-field-resources\/\",\"name\":\"Draft on depth of field resources &ndash; 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