Challenge has finished
Tone mapping has been a well-respected artistic tool at least since Ansel Adam's book "The Print" -- but it required a set of darkroom techniques that were difficult to master. Now tone mapping is possible in-camera using contrast and exposure settings, shadow adjustment, etc. Image editing software on a computer allows even more complex transformations: HDR (High Dynamic Range) processing, levels adjustments, retinex, dodge/burn, etc. The challenge here is to use tone mapping to make a photograph express your artistic vision rather than what the camera literally saw.
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Thursday, 18th June, 2009 (GMT)
Thursday, 25th June, 2009 – Wednesday, 1st July, 2009 (GMT)
Thursday, 2nd July, 2009 – Wednesday, 8th July, 2009 (GMT)
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Here's an example of how you can show the transformation with before/after within one image. Between dirt on the plane window and atmospheric haze, color and contrast were gone. The transformation processing was done in GIMP: decompose to LAB, unsharp mask L, compose (improve sharpness); duplicate; uniform retinex and apply as soft light layer (restore colors); flatten; curves (fix tones); and finally GREYCstoration (noise reduction).
|Submitted:||Monday, 15th June, 2009 14:34 (GMT)|
|Taken:||Friday, 16th November, 2007|
|Focal length:||36 mm|
|Shutter speed:||1/200 sec|
|Notes:||After the tone mapping, the image was put side-by-side with the original, scaled, and re-compressed using GIMP.|
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