I think sim2 is still a valuable option: http://www.sim2.com/HDR/corporate/about_sim2 G
On 1 Jun 2012, at 15:54, Gregory J. Ward wrote: > Hi Lars, > > Since I work for Dolby and helped develop the BrightSide display, I suppose I > should offer something here. The Dolby professional reference monitor offers > sequential contrast that is at least 200,000:1, but simultaneous contrast is > less than this. As you say, this display is more targeted at markets more > concerned with accurate color reproduction and wide gamut, such as the film > post-production industry. > > I don't know if they sell it anymore, but Sim2 also had a display based on > BrightSide's technology: > > > http://www.engadget.com/2009/02/03/sim2-solar-series-infinite-contrast-hdr-lcd-ships-in-q2/ > > I believe Toshiba and Samsung also used the technology (though illegally) in > their locally dimmed LED+LCD displays. I don't know which models or how > capable the inputs are. > > Unfortunately, it's a bit of a waiting game right now for this technology to > reach the consumer market. We have some things in the works, as do others, > but I couldn't tell you any details even if I had them. > > Various researchers have built their own systems by combining a DLP projector > with an LCD display with it's backlight "hinged" out of the way, a la the > original paper by Seetzen et al: > > Seetzen, Helge, W. Heidrich, W. Stuezlinger, G. Ward, L. Whitehead, M. > Trentacoste, A. Ghosh, A. Vorozcovs, "High Dynamic Range Display Systems," > ACM Trans. Graph. (special issue SIGGRAPH 2004), August 2004. > > For my own use, I still have the HDR viewer I made over a decade ago: > > Ward, Greg, "A Wide Field, High Dynamic Range, Stereographic Viewer," > Proceedings of PICS 2002, April 2002. > > By far the easiest (and cheapest) solution for still images is to print out a > grayscale version of the square root of your image (with maximum normalized > to 1.0) as described in the above paper, but as a large-format print. I > would make this one the image with exaggerated contrast, since you can print > it at high-resolution. Then, project the original image divided by this > grayscale image using a standard DLP or LCD projector -- preferably a bright > one although it doesn't need to be high-resolution, onto this print. Line it > up, and violá! You have a high-resolution, high dynamic range still image. > There's no way to make it move, sadly. > > -Greg > >> From: "Lars O. Grobe" <[email protected]> >> Date: June 1, 2012 12:41:32 AM PDT >> >> Hi, >> >> I am wondering what devices people are currently using to display HDR >> imaging data. Some may have seen the light box developed to display the >> Radiance renderings of Hagia Sophia (presented on the Radiance workshops). >> That is a rather static approach fitting to exactly one image, made for >> exhibitions, but less useful for displaying changing content. I am aware of >> techniques based on custom-made projector setups and some few commercial >> products. Still I wonder whether anyone here actually has experience with a >> commercial product or did some custom setup which does not require >> rocket-science skills or gigantic bank account… >> >> Some displays I found: >> >> Dolby reference display, mostly for color, no info on dynamic range, based >> on brightside displays: >> http://www.dolby.com/us/en/professional/hardware/video-monitors/prm-4200-professional-reference-monitor.html >> >> I heard rumors that these achieve up to 1:200,000 contrast… >> >> Cheers, Lars. > _______________________________________________ > HDRI mailing list > [email protected] > http://www.radiance-online.org/mailman/listinfo/hdri
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