Re: Betterlight Camera Calibration
Re: Betterlight Camera Calibration
- Subject: Re: Betterlight Camera Calibration
- From: Robin Myers <email@hidden>
- Date: Tue, 30 Sep 2008 08:44:12 -0700
Hello Mr. Fleisher et al,
Here is a brief description of the new camera calibration.
ColorSage is the software, a collaboration between Better Light
(betterlight.com) and HP. It uses the HP Artist library from HP to
perform spectral matching of an artwork. The software takes 6 inputs;
an image of the artwork, an image of a white card, spectral
measurements of the artworks pigments (minimum of 50), spectral
measurements of the white card (miniumum 10), the camera's spectral
response, and ths spectrum of the capture lighting. It then computes a
scene referred ICC profile from the spectral data and attaches this
profile to the artwork image. The image is then ready to print on an
HP Z3200.
The results are very impressive. A very good image the first print,
without proof prints or color adjustment in Photoshop. The ICC profile
is unique for each artwork, optimized for it's pigment set.
Right now it requires a Better Light camera and an HP Z3200 printer.
It does not work with other cameras or printers. HP developed the
library so it will not be adapted to Epson or Canon printers. It
could, in the future be adopted for other cameras.
More information can be found on the Better Light website.
Regards,
Robin Myers
On Sep 24, 2008, at 09:09 , Fleisher, Ken wrote:
Has anyone seen the mysterious camera calibration solution at the
Betterlight booth at Photokina? I figure Robin Myers wont have a
chance to
post anything about it for a while and Im too curious to wait! :-)
Im just
wondering what its all about...
--
Ken Fleisher
Photographer
Imaging & Visual Services
National Gallery of Art
Washington, D.C.
Phone: (202) 712-7471
email@hidden
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