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HDR Photography by Tom Mouat
What is HDR Photography? High dynamic range imaging is a way to allow a greater dynamic range between the lightest and darkest areas of an image than current standard photographic methods. Normal cameras take pictures at one exposure level with a limited contrast range. This results in the loss of detail in bright or dark areas of a picture, depending on whether the camera had a low or high exposure setting. HDR compensates for this loss of detail by taking multiple pictures at different exposure levels and intelligently stitching them together to produce a picture that is representative in both dark and bright areas. http://en.wikipedia.org/wiki/High_dynamic_range_imaging
"Painterly" HDR is also commonly used to refer to display of images derived from HDR imaging in a way that exaggerates contrast for artistic effect. In a popular HDR software program this is called the "painterly" mode…
Tone Mapping Tone mapping is a technique used in image processing and computer graphics to map one set of colours to another in order to approximate the appearance of high dynamic range images in a medium that has a more limited dynamic range.
How do I take HDR images? Exposure is the amount of light allowed to into the sensor during the process of taking a photograph. On most cameras you canadjust this manually. Take a minimum of 3 shots: One at -2, one at 0 and one at +2 USE A TRIPOD!
Process the Images Download to PC. Combine using specialist software. Luminance HDR **** Picturenaut **** FDRTools Basic ** Fusion ** Essential HDR Community Edition ** Photomatix *****************************
HDR Photography Handout Get hold of HDR software: Photomatix (pay), Luminance or Picturenaut (free) Work out how to use manual exposure on your camera. Get a tripod. Choose you subject and take at least 3 shots Download and process. Enjoy!