November 2010
7 posts
2 tags
Open source HDR Processing
HDR Processing could be done using open source tools. Here are the tools that could get you started.
QTPFSGUI
used to create a HDR
Create a HDR image from the input images.
Tonemap the created HDR image.
ENFUSE
It is a process similar to HDR, except that the images are fused with one another. It has its own advantages and disadvantages.
GIMP
used to finish off the HDR
Masking . Usually...
4 tags
The Stockdale paradox
Never loose faith in the final outcome. However, confront the brutal facts of reality always.
James Stockdale was an American Navy Officer, who was captured as a Prisoner Of War in Vietnam. He was subject to torture by his captors as a POW. What kept him surviving each day was a paradox:
Never loose faith on the final outcome - that he will be released
Never fail to confront the brutal...
Simple Fix for your HDR problems
A simple fix for all your HDR problems is to use the following process.
Use your original photo, as the base layer.
Place the generated HDR on top of the base layer.
Mask out the imperfections.
Be creative, try different layer styles to get desired effects.
The problems that will be fixed with this approach:
Halo
Textures at unwanted places. Dark clouds
Contrast depending upon the pp...
Best Practices in HDR Photography
These are some of the best practices of HDR IMHO.
A. Halos
Your HDR must be devoid of Halos. If there are Halos in your HDR then you are doing it wrong!
B. Moving Objects
Avoid moving objects during composition - Like Water, ripples, etc! If you have, then you might have tow work harder!
C. Textured Highlights
Avoid Grunge textures for clouds! If you could retain that as white, it looks far...