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post #1 of 2 Old 09-16-2014, 01:13 PM - Thread Starter
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Dolby 3d in software

Have been wondering if there has been any kind of development on 3D video processing so that for an example the Dolby 3D or similar color filtering could be done totally in software (except of course the glasses, or contact lenses if there are any such for 3D). Current PC GPU's must have enough processing power for creating kind of "super anaglyph" video stream so that you wouldn't need to use any of those external color filters in front of projector lenses (or between the light source and the DMD in DLP projector for an example). Apparently that kind of processing would involve shifting of color spectrum for the left and righ eye images, is just that the color depth (in bits) isn't currently enough for that kind of processing algorithms or what? Basic anaglyph methods are well implemented for an example in Stereoscopic Player (and then there is the ColorCode 3D which isn't much better though for a movie like Coraline worked quite well back then).

Last edited by mhelin; 09-16-2014 at 01:39 PM.
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post #2 of 2 Old 09-26-2014, 01:15 PM
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You are confused about the nature of colour.
Colour is an illusion created by the brain, it isn't a physical property of light you can use for filtering. (The mixing of red green and blue light to recreate any colour of the rainbow and more doesn't happen in the real world : it only happen in our brains)
Dolby and other similar systems (Omega optical) rely on selecting the wavelength of the light being emitted by the screen.

You cannot create a Dolby3D system out of software alone, for use with a standard display/projector without specialised filters because the wavelengths of the light being emitted for each colour primary by screens and projectors are fixed by the manufacturer.
Software will only change the intensity of the light being emitted, not it's wavelength.

Passive 3D, forever !
My Full-HD dual-projector passive polarised 3D setup. (really out of date ! I need to update it some day...)


Last edited by BlackShark; 09-26-2014 at 01:20 PM.
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