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HDR CBR

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CarlosCBR
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Joined: 12 Mar 2010
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PostPosted: 15:48 - 13 Mar 2010    Post subject: HDR CBR Reply with quote

Decided to give HDR a go. Have included the original pic and my first EVER go at HDR. Tell me what you think. Also tips would be really helpful.

HDR image
https://i231.photobucket.com/albums/ee125/carlosamillios/FirstHDR.jpg

Original.
https://i231.photobucket.com/albums/ee125/carlosamillios/Bike/Photo254.jpg

Thanks
Carl.
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colin1
Captain Safety



Joined: 17 Feb 2005
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PostPosted: 16:17 - 13 Mar 2010    Post subject: Reply with quote

I guess its a bit like the first pancake in the pan...
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-Savage-
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Joined: 10 Jun 2005
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PostPosted: 16:33 - 13 Mar 2010    Post subject: Re: HDR CBR Reply with quote

CarlosCBR wrote:
Also tips would be really helpful.



Clean your bike first lol.

Looks a bit faded, I don't know much but theres plenty of tutorials on the net.

Here's a few I messed around with.


https://i50.photobucket.com/albums/f324/SavageKymco/gsxr2savage.jpg
https://i50.photobucket.com/albums/f324/SavageKymco/GSXRPHOTOSAVAGEsmall.jpg
https://i50.photobucket.com/albums/f324/SavageKymco/P111008_1712_painting.jpg
https://i50.photobucket.com/albums/f324/SavageKymco/P240908_1601_painting.jpg
https://i50.photobucket.com/albums/f324/SavageKymco/IMG_0535_painting.jpg
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jay12329
Dr. Evil



Joined: 02 May 2003
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PostPosted: 16:37 - 13 Mar 2010    Post subject: Reply with quote

Did you just use one source image? HDR done properly is 3 source images to pull out the shadows and highlights of a picture, not just to look like its been processed.

I tried HDR on this image so I could get the sky and building exposed and pull out some of the detail that was lost in the shadows of the building.
Made from 3 Raw files with 2ev.

https://img404.imageshack.us/img404/607/cath1hdr.jpg

HTH
J
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CarlosCBR
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Joined: 12 Mar 2010
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PostPosted: 16:44 - 13 Mar 2010    Post subject: Reply with quote

Yes just one image. From i Phone. Dont have a proper digital camera yet to get the three different exposure pics i needed to do it properly.
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jay12329
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Joined: 02 May 2003
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PostPosted: 16:49 - 13 Mar 2010    Post subject: Reply with quote

Well good on ya for trying, unfortunatly HDR relies on a good source image(s), which you are never going to get from your i-phone. Save up your pennies for a camera, wash your bike and get some good shots out and about! Thumbs Up

J
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CarlosCBR
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Joined: 12 Mar 2010
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PostPosted: 18:55 - 13 Mar 2010    Post subject: Reply with quote

What sort of camera would i have to be looking at? Hopefully not some mentally priced Digital Single Lens Reflex Camera (get me! lol), just something that can make some fairly good images.
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jay12329
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Joined: 02 May 2003
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PostPosted: 19:19 - 13 Mar 2010    Post subject: Reply with quote

I picked up a panasonic Lumix for the Mrs not so long ago, I'm very impressed with it, for <200 quid 12x zoom was really good in very low light. Avoid cameras with mega high megapixel counts. 10-12 is fine. Read lots of reviews, something with some manual control will help you as you learn more.

And hope you don't end up like me, 3 cameras and a pile of lenses which cost more than a nice sports bike Shocked

J
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loply
World Chat Champion



Joined: 24 Mar 2004
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PostPosted: 22:32 - 15 Mar 2010    Post subject: Reply with quote

Generally for a High Dynamic Range picture to work, as is implied in the name, you need a high dynamic range...

That is to say, you need bright things and dark things, otherwise you might as well just take a normal picture.

If you're just taking a picture in normal, run of the mill light conditions, where it could be exposed properly in a single shot, then you need to spread your exposures out a lot - eg something like 0, -4 stops, +4 stops. I suspect yours are too close together.
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Wafer_Thin_Ham
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Joined: 18 Nov 2005
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PostPosted: 08:25 - 16 Mar 2010    Post subject: Reply with quote

loply wrote:

If you're just taking a picture in normal, run of the mill light conditions, where it could be exposed properly in a single shot, then you need to spread your exposures out a lot - eg something like 0, -4 stops, +4 stops. I suspect yours are too close together.


Since he took it on an iPhone, there's only one image. So he could alter the exposure more quite easily. This isn't "true" HDR, this is called tone mapping IIRC.
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