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Old May 22nd, 2008, 08:07 PM   #1
stubbsy
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Default advice needed on photography

this is really bugging me.
i want to find out the name of a picture that has several frames of the object (in most cases, the skater).
a picture will explain it better than i ever could


*incase the picture doesn't work, here's the direct link
http://img299.imageshack.us/img299/3...fey3souao1.jpg
like that, so it's one picture containing several shots of the skater.
i've thought about this and i think i know the answer, but how do they achieve this effect?
they obviously set their camera to rapid frame capture, but i want to know how they get one picture with several images of the moving skater in it.
my initial thought was that they layered all the 7 odd images on top of each other, so the skater would appear to move.
but then i realized that they'd have to keep the camera PERFECTLY still, and nothing in the background would be have to move, or else the background would appear to be moving, and create a blur.
basically, i want to know how to create this effect where the skater moves throughout the picture, but the scenery around him stays exactly the same.
any help would be great

Oli
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Old May 23rd, 2008, 07:05 AM   #2
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I think there are several ways, but I have done this. I took several photos of my son skating down steps with the (digital) camera on a tripod. I then copied only the part of the photo he was in onto the same spot on a base photo. And that was using quite unsophisticated software.

The base photo doesnt have the skater on it. Hence the crowd dont seem to move.

Of course, it may have been done in a totally different way.
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Old May 23rd, 2008, 12:20 PM   #3
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I've seen the 'average' tool used in Photoshop CS3 to remove the cars from a series of video frames, leaving just the road behind, but that would really only serve to remove the skater himself and leave the background. I'm sure there's probably a way. I'll investigate for you.

Of course, that also assumes you have Photoshop, CS3 or otherwise. It's the only image editor I really use. Then again, I'm an Adobe girl and I'm currently wearing a CS3 T-shirt and drinking from an Adobe mug, so I'm biased.
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Old May 23rd, 2008, 12:58 PM   #4
Bill in Houston
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Quote:
Originally Posted by MistyMills View Post
I've seen the 'average' tool used in Photoshop CS3 to remove the cars from a series of video frames, leaving just the road behind,
I wonder if that works in reverse? Like instead of asking it to tease out the stuff that remains the same, tease out the stuff that changes?
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Old May 23rd, 2008, 02:19 PM   #5
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old school would be to take multiple shots, preserve the best background, then mask the background on all the other shots, leaving the foreground subject superimposed on the shot.

Lots of tools and tutorials out there to do each one of those steps, just combine them in the end.

If you don't have Photoshop or Fireworks, an alternative is the GIMP, which is the GNU Image Manipulation Program. It is free, but there can be a learning curve.
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Old May 23rd, 2008, 04:12 PM   #6
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thanks for the advice guys.
i'm going to try Optimiso's idea, that sounds like it would work.
so thanks a lot guys
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Old May 23rd, 2008, 08:00 PM   #7
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STROBOSCOPIC!

Keep in mind that my hack is from my NON-photography viewpoint. I can't take a picture to save my life. Also, I don't know your level of skill, so I am speaking to a broad audience.

Look at this: http://photo.net/bboard/q-and-a-fetch-msg?msg_id=00HOrT and note that while the driver is in multiple states of motion, the diving board and the water is not. That is an obvious sign of single background, and multiple image masking.

Just be sure to use a small feathered brush on the edges of the foreground subject, so that you don't have a lot of background bleedthough (think of coloring outside the lines).

this forum discusses both camera and photoshop methods of the same.
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Old May 23rd, 2008, 08:19 PM   #8
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well, i'm a newbie at photography.
i just got my Kodak ZD710 on monday.
i know all the features and stuff, i just have never used any editing software like this before.
i've used CS3 at school in graphics, etc.etc. but it's a very basic knowledge.
anyway, i downloaded GIMP and it looks more or less like photoshop...plus i can get my brother to help me as he runs Linux Ubuntu and also has GIMP.
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