Tag: 3D projection stitching signal converter
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3D projection stitching signal converter analysis
The four-dimensional ç景 SPLAY stereo converter is an economical, practical, efficient and simple three-dimensional signal generating device developed to solve the computer's active output signal and realize passive stereoscopic projection. VCT supports a large number of active and passive VR stereo vision systems, converting one active signal source input from a graphics workstation or an ordinary PC into two passive signals to two projectors, and automatically adjusting one viewpoint to two left and right eyes. The viewpoint is such that the image is mapped on the metal hard screen, and when the observer wears the polarized glasses, according to the polarization principle, the polarized glasses can only see the respective images (ie, the passively synchronized stereoscopic projection) of the left and right eyes of the user.
Passive stereo imaging is generally achieved by using two projectors superimposed and then adding polarized lenses. One of them projects a left eye image, and the other projects a right eye image to project both left and right eye images onto the screen. Through the polarized lens in front of the lens, the projected light becomes polarized light, and the viewer can watch the 3D stereo effect with the polarized stereo glasses.
Two projections for polarized stereo display
This kind of direct simulation of the left and right eye images in the virtual system, compared with the traditional single image polarization stereoscopic display system, not only does not need expensive video separator, but also the stereoscopic effect is more realistic. The presentation of virtual reality allows the viewer to experience and experience it personally, which is more persuasive than the empty abstract teaching aid.
Active and passive stereo converter function introduction
Usually when we use the monitor to view stereo images, when the refresh rate is lower than 60 Hz, the image on the screen will be flickering. This is because the image in the display is alternately output by two images, so that it can only achieve half of the display output refresh rate. The stereo glasses are synchronized with the computer, and even if the projector has a high refresh rate, it is useless, and the high-refresh image cannot reach the projector at all. Such frequently flashing images can cause fatigue to the viewer's eyes.
Four-dimensional ç景 SPLAY stereo converter
The 4D Vision SPLAY stereo converter uses polarized light technology to transmit video signals from VCT or PC to the projector and project 3D images on a large screen. The left and right eyes simultaneously view two different images by the angle of polarization. The output of the image is not limited by the refresh rate.
In the actual splicing scheme, the number of active and passive stereo converters is related to the splicing channel, and several channels of projection and splicing use several active and passive stereo signal converters.
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