{"id":12238,"date":"2007-02-17T14:25:10","date_gmt":"2007-02-17T14:25:10","guid":{"rendered":"http:\/\/blogs.adobe.com\/jnackdev\/2007\/02\/how-the-healing-brush-came-to-be.html"},"modified":"2007-02-17T14:25:10","modified_gmt":"2007-02-17T14:25:10","slug":"how_the_healing_brush_came_to_be","status":"publish","type":"post","link":"http:\/\/jnack.com\/blog\/2007\/02\/17\/how_the_healing_brush_came_to_be\/","title":{"rendered":"How the Healing Brush came to be"},"content":{"rendered":"<p>The new issue of Computer Graphics World features an article from Adobe VP of engineering Dave Story, discussing the <a href=\"http:\/\/www.cgw.com\/ME2\/dirmod.asp?sid=&amp;nm=&amp;type=Publishing&amp;mod=Publications%3A%3AArticle&amp;mid=8F3A7027421841978F18BE895F87F791&amp;tier=4&amp;id=CE331106A0B44D538321B9F03EF4A295\">origins of the Healing Brush<\/a>*.&#160; He writes, <\/p>\n<blockquote>\n<p>The inspiration for the Healing Brush came from something you might hear in a Physics 101 lecture: When you place a piece of metal on a heated surface, heat diffuses through the metal until it reaches a steady state. But what does heat diffusion have to do with pixel restoration? More than you might think. <\/p>\n<\/blockquote>\n<p>Dave mentions Poisson image editing and the Laplace equation, but overall he keeps the discussion out of the techier weeds.&#160; If you eat that stuff for breakfast &amp; want something more bracing, you could try this <a href=\"http:\/\/photo.csail.mit.edu\/posters\/Georgiev_Covariant.pdf\">math-heavy 1-pager<\/a> on covariant image reconstruction from Todor Georgiev, who is featured in Dave&#8217;s write-up.\t<\/p>\n<p><em>*On the off chance you&#8217;re unfamiliar with this technology, here&#8217;s a <a href=\"http:\/\/www.digitalretouch.org\/download\/healing\/healing.pdf\">PDF<\/a> for background on the Healing Brush. <\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The new issue of Computer Graphics World features an article from Adobe VP of engineering Dave Story, discussing the origins of the Healing Brush*.&#160; He writes, The inspiration for the Healing Brush came from something you might hear in a Physics 101 lecture: When you place a piece of metal on a heated surface, heat [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/posts\/12238"}],"collection":[{"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/comments?post=12238"}],"version-history":[{"count":0,"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/posts\/12238\/revisions"}],"wp:attachment":[{"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/media?parent=12238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/categories?post=12238"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/tags?post=12238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}