Search found 3 matches

by cpacker
2011-07-24T05:56:48-07:00
Forum: Users
Topic: When did RAW decoding get WEIRD?
Replies: 5
Views: 8862

Re: When did RAW decoding get WEIRD?

It gets worse: I decided to ignore the differences in RAW decoding and continue on with the series of convert operations involving an affine transform and cropping in the work sequence I do on my images. The result: comparing IM 6.5.4 and the earlier one, even the geometry is now different. The same ...
by cpacker
2011-07-22T04:45:27-07:00
Forum: Users
Topic: When did RAW decoding get WEIRD?
Replies: 5
Views: 8862

When did RAW decoding get WEIRD?

When I upgraded my Linux system I discovered that the version of IM that came with it (6.5.4) performs the operation "convert someimage.cr2 outimage.png" differently than it did with an earlier version. Apparently, the output image is now contrast-enhanced and red-enhanced. This is not what I want ...
by cpacker
2011-07-19T20:04:03-07:00
Forum: Users
Topic: CR2 conversion changed from 6.2 to 6.5
Replies: 0
Views: 3069

CR2 conversion changed from 6.2 to 6.5

Conversion of CR2 files (Canon RAW data) yields different RGB values with ImageMagick version 6.5.4-7 (included in the Fedora 12 Linux distribution) compared to version 6.2.5 (in Fedora 5). The later version yields values that are lower, for a given pixel, than the earlier version. If the values ...