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Re: [Openexr-devel] Forgot the questions


From: Greg Ward
Subject: Re: [Openexr-devel] Forgot the questions
Date: Wed, 5 Mar 2003 11:52:59 -0800

1. Can EXR be logarithmic in any way, like the DPX format?

If you want to check out another native log format, look into the LogLuv encoding I put into Sam Leffler's TIFF library. It includes a single-channel 16-bit/pixel version as well. The encoding is explained in the following papers:

http://viz.cs.berkeley.edu/gwlarson/papers/jgtpap1.pdf
http://viz.cs.berkeley.edu/gwlarson/papers/cic98.pdf

The format and examples are available from:

http://viz.cs.berkeley.edu/gwlarson/pixformat/tiffluv.html

-Greg





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