I've been trying to track down a problem with enblended images suffering a 
lack of contrast with respect to the remapped images. It seems that I am 
not the only one experiencing this problem and it is due to the CIECAM 
blending default option for input images with colour profiles. 

Example: http://www.flickr.com/photos/48606216@N00/10135641463/ The area 
shown is not in an overlapping region so no blending should occur. The 
input image looks exactly like the right hand side when CIECAM blending 
mode is turned off. The left shows a lightening of the shadows with the 
default options. Enblend 4.1.1 Windows 64-bit version from Sourceforge. 
Windows 7 64 bit 16GB RAM, i7 3770. Lightroom 4.4 and PWP 6.0.10 64 bit.

Is the problem due to the forward and reverse mappings of the input colour 
space to CIECAM02 not being inverse? I would have expected that a 
non-overlapping region should be mapped in the output to exactly the same 
values as the input but this doesn't seem to be the case with the CIECAM 
blending mode.

Daniel.

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