HDR Photography for the digital dome (fulldome) for IMERSA 2013
May 28, 2015
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What is HDR?
Set of techniques to create images that see how the human eye sees.
From 1,000:1 contrast to 10:000:1
Photo from Google search (www.dailyhdr.com)
For more examples
Why HDR in the Dome?
Light Scattering
Photo from www.chromacove.com Photo from english.feeder.ww7.be
Light Scatter on Curved Surface
Photo from www.sciencedirect.com
The HDR difference
Shooting using Canon 600D
1. Make sure your camera is set to M (manual) on the dial on top of the camera
2. Click the menu button and use the navigation buttons to the right of the LCD to move around.
3. Go to the first tab over and choose Quality RAW
4. move the bracket cursor to Quality then press “set”
5. use navigation buttons to choose RAW and push “set”
6. Move the main tabs in the menu to the second tab from the left.
7. Go to Exposure comp. and push “set”
8. Use the “main dial” next to the shutter button to set the expose bracketing to 2
9. you may play with this later to choose .5, 1, 1.5, or 2 stops
HDR in Photoshop
1. Open Photoshop
2. Go to File> Automate > Merge to HDR Pro
3. Click Browse to load first set of photos
4. Once the HDR window opens, click presets and choose from any of the options
5. Adjust to you liking and click “OK”
HDR in Photomatix
1. Open Photomatix
2. Click “Load Bracketed Photos” and load first set of photos
3. Set Preprocessing settings1. If movement choose
“Selective Deghosting” tool. If not do automatic.
4. Click “Preprocess”
5. Choose a preset on the right window and adjust on the left window.
6. If you like your setting, you can save.
7. Click Process
What’s the 360° Image Button for?
Who can tell me? Try clicking it Where else can you find information? What if that doesn’t work?
How to Batch in Photomatix1. Go to Automate > Batch Bracketed
Photos
2. Under Process find your saved settings
3. Check align images if any movement is suspected
4. Select source Files or Folder
5. Customize location and make a new folder
6. Click Run
The Future of HDR
HDR Video Processing using computer generated high and low exposure
A Versatile HDR Video Production System
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