maxxnas
Posts: 22
Location: Bethlehem / Pennsylvania, United States
Registered: 10 May 2006
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How do I........
Posted: 29 Jul 2006 at 0:20 GMT
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Okay, this may seem like a simple question but I'm not sure how to do this.
I've recently got my new pano rig and have been taking some nice interior panos but I suffer from the same issues....window overexposure
Today at a shoot, I decided to take some bracketed shots at (-2, 0, +2) because this home had walls of windows.
Shooting in the RAW mode has helped me alot to adjust my images but I'm not sure how to combine (or blend) a set of three to average out the best picture
So my question for the forum is how do I do this? Is there any special software that does this?
Is there any special or proper technique to doing this?
I usually apply my settings evenly (to my set of pano pics except for the top shot) in my raw converter so how does combining the images effect the overall blending between shots? Can I still remain in the RAW mode while doing this or must I convert them to another format and do this in a photoshop type program?
Sorry for all the questions and I thank the members of this forum for sharing their knowledge as I truely have no clue how to do this.
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Cleetus
Posts: 86
Location: Halifax, Canada
Registered: 8 Mar 2005
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Re: How do I........
Posted: 29 Jul 2006 at 2:45 GMT
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take a look at photomatrix and google merge to HDR
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marcus newey
Posts: 127
Location: somerset, United Kingdom
Registered: 23 Oct 2005
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hdr blending
Posted: 29 Jul 2006 at 6:49 GMT
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Ok I've not had much success yet doing this myself but here's the theory:
process your Raws to get two sets of tif images, one set for the interior, another for the windows. Stitch the first set to get an equirectangular tif image. Then run the stitcher again with the second set of images [use PTGui template or change input images in the script file for other PTools stitchers] The important thing is that the two sets produce two output images that line up exactly [that's where I've struggled].
Open the first output image in photoshop, open the second, copy and paste it onto the first as a new layer, create a layer mask and fill it to completely hide the top image, then use a brush to 'paint in' the windows.
Or run the two images through an HDR programme such as photomatix:
www.hdrsoft.com/
If you cannot get two identical output images then you could try running the two sets of originals through photomatix or similar before stitching, though unless the programme treats each pair in exactly the same way as the others there will be blending issues.
Good luck,
Maybe someone with more experience of getting this to work could add some better info or tips.
Regards
Marcus
PS a google search for HDR will give loads of info, not necessarily for panos though.
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