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 Post subject: Tilt-Shift Van Gogh
PostPosted: Fri Sep 24, 2010 12:00 pm 
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Some of these are really awesome.

The visually stunning field of tilt-shift photography became a fairly big thing in the Web a couple of years ago. It uses a special lens that gives a real-world scene the illusion of being a miniature model. You've probably seen examples by now, but if not then see the "Credits" page for links to some breathtaking examples.

The effect can be simulated in Photoshop, by adjusting a photograph's contrast, colour saturation and depth of focus. It works quite well with regular photographs, so we decided to try it using paintings to see what would happen, and it turns out that the works of Vincent van Gogh in particular make excellent subjects for this kind of treatment. Following is a slideshow of 16 awesome photomanipulations based on some of van Gogh's most moving and powerful paintings. To see the original paintings unaltered, go to the "Credits" page.

To reiterate: Nothing in any of these paintings been added or removed or had its proportions changed. The effect is achieved simply by manipulating the light in the scene and adjusting the areas of the image that are more and less in focus, as you will see.

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PostPosted: Fri Sep 24, 2010 1:32 pm 
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adorabalicious
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Very cool.

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PostPosted: Mon Sep 27, 2010 6:38 am 
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The Dancing Cat
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Wow, beautiful.

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PostPosted: Mon Sep 27, 2010 10:31 am 
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That's a spiffy technique.


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PostPosted: Tue Sep 28, 2010 10:20 am 
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Lean, Mean, Googling Machine
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Heh. I messed around with the "tilt-shift" effect quite a bit a year or two ago, making real photographs look like pictures of models. I never thought about applying it to paintings, though. That's pretty trippy.

Edit:

Actually, what he's doing here is mostly just false DOF (depth-of-field) in general, rather than the tilt-shift effect in particular. Tilt-shifting really screws with your sense of scale. For instance, this is not a model:

Image

The idea is fairly simple:

1) The further away an object is from the camera, the less saturated it will appear due to atmospheric dust, etc. Artificial tilt-shift first messes with your mind by oversaturating the image a bit. This makes your brain think that the objects are closer to the camera than they really are.

2) Due to the nature of optics, you can't focus on a very wide range when you're looking at objects close to the camera/your eye. For instance, place your hand 6 to 8 inches above your keyboard and focus on your hand. Note that your keyboard is blurry and out of focus. Yet, if someone else holds their hand 6 to 8 inches in front of your keyboard while you look at it from 10 feet away, you have no trouble focusing on both simultaneously. So the tilt-shift affect also messes with your head by making only a very narrow range of depth in the image be in-focus. Anything in front of or behind that depth becomes out of focus very quickly. This mimics the optics of up-close photography.

Long before the days of photoshop, etc. you could buy a special "tilt-shift" filter for your camera that would accomplish the same effect.

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PostPosted: Wed Sep 29, 2010 12:40 am 
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Thanks for confirming to myself that I'm not insane, Stathol. I kept looking at those and going ".. isn't that just faking an extreme (lack of) depth of field?"

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