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Posted by Kris Krieger on May 30, 2006, 6:50 pm
> I'm just gonna hold off on all of it for awhile.
> I don't watch much toob anyway.
Oh, I thought it was a computer monitor...oops!
>
>
>> "On average, most computer monitors have a specified contrast ratio
>> between 500:1 and 1000:1, sometimes 1500:1. Current plasma displays
>> are specified at a 10,000:1 contrast ratio (most are 50% lower).
>> However, the contrast of commercial displays is measured as the ratio
>> of a full white screen to a full black screen in a completely dark
>> room. The simultaneous contrast of real content under normal viewing
>> conditions is significantly lower.
>> One of the only monitors that can display in true HDR is the
>> BrightSide Technologies HDR monitor [
>> http://www.brightsidetech.com/products/dr37p.php ], which has a
>> simultaneous contrast ratio of around 200,000:1 for a brightness of
>> 3000 cd.m-2, measured on a checkerboard image. In fact this higher
>> contrast is equivalent to a ANSI9 contrast of 60,000:1, or about 60
>> times higher that the one of a TFT screen (about 1000:1). The
>> brightness is 10 times higher that the one of the most CRT or TFT.
>> But such display should only be useful if it needs to operate in a
>> pitch-black room and in two seconds under bright lightning, and the
>> eye should be able to see a full dynamic range on the display in both
>> situations." -Wikipedia, on High Dynamic Range Rendering (HDRR)
>>
>> I work a little with HDRI in using it to illuminate my 3D scenes, and
>> recently got a digital cam and special tripod to go further in part
>> for that. I imagine some of you on here might also work with HDRI,
>> although it's still fairly new.
>>
>> Incidentally, unbeknownst to me of its existence, I had made a
>> request for a feature (for an open source program I use) essentially
>> like this: http://gl.ict.usc.edu/research/MedianCut/
>> The "poor 'man's" HDRI.
>>
>> Check out this nice HDRI subject:
>> http://upload.wikimedia.org/wikipedia/commons/4/48/Old_saint_pauls_2.j
>> pg
>>
>> Richard
>
>
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