{"id":806,"date":"2010-02-08T23:19:35","date_gmt":"2010-02-09T04:19:35","guid":{"rendered":"http:\/\/orbittrap.ca\/?p=806"},"modified":"2010-02-08T23:19:35","modified_gmt":"2010-02-09T04:19:35","slug":"jpeg-engineering","status":"publish","type":"post","link":"http:\/\/orbittrap.ca\/?p=806","title":{"rendered":"Jpeg Engineering"},"content":{"rendered":"

Now, we all know that it’s our DNA that controls our physical characteristics.\u00a0 DNA contains the information which determines how we develop from fertilized egg to adult.\u00a0 DNA, in turn, is literally coded instructions similar to binary computer code.<\/p>\n

DNA is encoded using sequences of four different amino acids grouped into pairs.\u00a0 The arrangement of those four variables ultimately controls the synthesis of proteins and all other more complex structures and assemblages which together make up the entire human body or the body of any living thing.\u00a0 What you look like (and other physiological things) is the result of this simply constructed, but lengthy and intricate, DNA code.\u00a0 The code creates the body.<\/p>\n

Now imagine doing experiments with that code and then being able to quickly see what the results would be.\u00a0 Swap a few genes to change your hair or eye color.\u00a0 Or maybe, load your DNA code into a text editor and do search and replace on sequences wherever they happen to occur.\u00a0 Swapping this for that wherever “this” appears.\u00a0 Or maybe just picking any arbitrary sequence and replacing it with the same sequence in reverse order?\u00a0\u00a0 And then quickly being able to see what sort of mutated creature results.\u00a0 Wouldn’t that be fun?<\/em><\/p>\n

Jpeg files, as anyone who’s accidentally opened them in a text editor knows, are just such a collection of codes, although, once again, not exactly the same as DNA, but having the same effect.\u00a0 The various numbers and symbols in a jpeg file are the stored information that tells your computer monitor what to display –the code creates the picture.<\/p>\n

\"\"<\/a>

Glitch-Nine by Luke Roberts, 2006 (Originally a wall texture photo)<\/p><\/div>\n

Alright, now imagine doing search and replace on the jpeg code, swapping hexadecimal symbols with other symbols and then viewing what the altered file now looks like.\u00a0 This is literally changing the DNA of the jpeg image like one would roll dice because surely one has no idea whatsoever what the results of such reckless scrambling of the encoded image information will be.<\/p>\n

From the Flickr page:<\/p>\n

A series of images created by modifying the code of JPEG images.<\/p>\n

Created with Hexplorer mostly by using the “find and replace” tool to find a certain hex combinations (usually about two characters works best) and replacing them with something else.<\/p>\n

items are from between 08 Feb 2005 & 21 Jun 2006.<\/p><\/blockquote>\n

Here’s a few screenshots of Hexplorer from the Hexplorer page at Sourceforge<\/a>:<\/p>\n

\"\"<\/a>

Hexplorer Screenshot from Sourceforge<\/p><\/div>\n

\"\"<\/a>

Hexplorer Screenshot from Sourceforge<\/p><\/div>\n

I’m sure there’s other programs that can be used to edit hexadecimal code, but this is the one Luke Roberts used to create the images displayed here.\u00a0 I assume all one would have to do is save the altered file and then reload it in an image viewer to see the results.\u00a0 Just like editing the html of web pages and viewing the changes in a browser.\u00a0 This is literally, “painting by numbers”.<\/p>\n

\"\"<\/a>

Glitch Three by Luke Roberts, 2006<\/p><\/div>\n

Luke Roberts has this to say about Glitch Three<\/em> (from his Flickr page<\/a>):\u00a0 “With Hexplorer<\/a>, if you replace 1 with 0 or something similar to that (like 2 with 8 or something) this is what the image usualy turns out like.”<\/p>\n

Only in the digital medium could such Frankensteinian methods be used.\u00a0 It reminds one that the digital medium is in many ways nothing at all like the traditional, hand-made medium of oil paintings and clay sculptures.\u00a0 Digital is much more fun and rewards those who experiment.<\/p>\n

\"\"<\/a>

Glitch Eight by Luke Roberts, 2006<\/p><\/div>\n

Glitch Eight<\/em>: “My favourite of my glitch works so far. It’s a self portrait originally. I like the colours and the fact that you can see a bit of hair and my eye. ”<\/p>\n

\"\"<\/a>

Glitch Four by Luke Roberts, 2006 ("another self portrait")<\/p><\/div>\n

\"\"<\/a>

Glitch One by Luke Roberts, 2006<\/p><\/div>\n

Luke Roberts calls this “Glitch” art, but I think a better name is Jpeg Engineering<\/em> (or editing<\/em>) because to me it more resembles Genetic Engineering than the reckless crashing of electronic devices which is what I would normally expect in the creation of Glitch Art.\u00a0 Although I guess the unintended consequences of editing the hexadecimal codes is in keeping with the malfunctional nature of glitches.<\/p>\n

This is just an amazing idea and I’m going to have to try it out myself.\u00a0 I don’t know why I didn’t think of this before.\u00a0 The hexadecimal code is really like the parameter file of the picture and controls the pixels.<\/p>\n

When it comes to digital art, think pixels, not pictures.<\/p>\n

~~~~<\/p>\n

If you’re interested in looking at more of Luke Roberts’ work, his Glitch Art set is here<\/a> where you can view all 12 images in the set at a larger size.\u00a0 His main Flickr collection is here<\/a> which contains photography which, as it turns out, is what his main artistic interest is and not the editing of jpeg hexadecimal files.\u00a0 He also has a website at lukeroberts.us<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Now, we all know that it’s our DNA that controls our physical characteristics.\u00a0 DNA contains the information which determines how we develop from fertilized egg to adult.\u00a0 DNA, in turn, is literally coded instructions similar to binary computer code. DNA is encoded using sequences of four different amino acids grouped into pairs.\u00a0 The arrangement of … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":807,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-806","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/orbittrap.ca\/wp-content\/uploads\/2010\/02\/glitch-nine.jpg?fit=333%2C500","jetpack-related-posts":[{"id":99,"url":"http:\/\/orbittrap.ca\/?p=99","url_meta":{"origin":806,"position":0},"title":"Visual Encryption","author":"Tim","date":"1 December, 2006","format":false,"excerpt":"Smashing with styleDigital DynamiteFilter of FrenzyRipped-off beyond recognition and left for dead\"No, your Honour; I didn't do anything. 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