[vtk-developers] 12-bit grayscale display

David Gobbi david.gobbi at gmail.com
Wed Feb 6 10:58:50 EST 2013


On Wed, Feb 6, 2013 at 8:56 AM, David Gobbi <david.gobbi at gmail.com> wrote:
> On Wed, Feb 6, 2013 at 7:27 AM, Uma A <uma at lucidindia.com> wrote:
>> Hello, We are planning to use Totoku M53i2 monochrome monitor to visualize
>> industrial digital radiographic image. 12-bit display is in wishlist of
>> VTKImage rendering classes It is mentioned in the wishlist that "Likelihood:
>> high if someone is willing to test"- Could you please share the examples or
>> through an idea on how to test & achieve 12bit grayscale display? We can
>> possibly check and test the various cases.
>
> Page 8 of the following NVidia whitepaper describe the method that would be
> used (except that the lookup table would not be stored in a texture, it would
> be stored in a vtkLookupTable with 4096 entries.).  This method requires that
> your monitor internally converts the RGB DVI signal to a greyscale signal, like
> the monitors described in the NVidia whitepaper.

Here is the whitepaper that I forgot to link to in my last email:
http://www.nvidia.ca/docs/IO/40049/Grayscale10bit_v03.pdf

 - David



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