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Panoramic

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Westminster Cathedral Panoramic

Wednesday, March 3rd, 2010

Westminster Cathedral Panoramic

Philippines (part 2)

Saturday, August 30th, 2008

Lake Taal (and its volcano) near Alfonso in the Philippines

Philippines 073

Philippines 084

And a Panoramic of the volcano:

Philippines Panoramic 3

The 23 frame Panoramic HDR (and how I did it)

Wednesday, August 27th, 2008

As many will know, I enjoy taking Panoramics and HDR though I rarely combine the two and this is why…

First the finished product:

Battersea HDR Panoramic G4 final
Now the process:

I started with 23 files at 3 different stops (-1EV, 0EV & +1EV) that’s 69 files in total, each around 6MB

I first tried to stitch the three stops separately using Photoshop (under automate and photomerge). Boy was this a mistake. If you use Photoshop to merge many files the results are not consistent each time you run it. This meant that no file matched another, which makes HDR practically impossible.

I tried many iterations (each one takes around an hour to process BTW) including:

  • reducing the number of originals
  • making sure that the files were loaded into Photomerge in the same order (BTW this drastically affects the final result!)

After about 2 days of trying to get something that I could HDR I gave up on this method. I decided to try three new ways of producing the HDR pan

  1. Photomerge the 0EV image and produce three images using adjustment layers — this worked, but not too well:

  2. Second I tried to HDR one image (Photomatix allows this). Again not much joy:
  3. Finally I tried the option that was least appealing — HDR the 23 images separately and then Photomerge. This meant that I would have 23 files around 20MB each.

The third option took a long time, but I think it worked. In the end I had a 12163×6069 pixel HDR Panoramic of Battersea Power station (over a GB in size). After a bit of cropping and compression the final image I now have a 92266×4959 4.6MB file. Here is a slightly smaller version:

Battersea HDR Panoramic G4 final

New York 2008 (part 7) – HDR Panoramic

Tuesday, August 12th, 2008

Here is a photo that I am particularly proud of. It’s a 7(or8) frame HDR Panoramic of the NY skyline.

New York HDR 002

The shot was taken in Brooklyn on a very cold evening. I used Photoshop to merge the three sets of photos (+1EV, 0EV, -1EV) and then Photomatix to produce the HDR. This method doesn’t work very well, and I am in the process of writing my experience and thoughts about a 23 frame pano I did of Battersea Power Station using a much better and reliable work-flow.

On another note, a picture taken at the same time made the photo of the week over at SDuffyPhotography.blog.

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