![]() ![]() If a 3-D print L1 is made such that the image of X is put at position A and C, and the image of Y is put at position B and D, then through the selective light re-direction of the lenticular sheet, both eyes will be fooled that Object X, and Object Y are at the spatial positions behind the sheet. It is this difference in “perspective” that creates the necessary binocular disparity for 3D perception. It is clear that the viewing angles are different for the same objects being viewed by the left eye and the right eye. Similarly, the right eye sees them as XR and YR. ![]() Principle of 3-D explained by binocular disparityįor spatial object X and Y, The left eye sees them from the ray XL and YL. The diagram below illustrates the principle.įigure 1. Our brains combine these two images to create the sense of depth.ģD Lenticular printing is an artificial way to create such binocular disparity. Human sees the world in 3D because of the fact that our left eye and our right eye are seeing with a slight different image. It has been explicated many times in our article archive that 3D lenticular printing is based on the principle of binocular disparity. Through some geometrical relationship we can conclude that objects that are behind the lenticular sheet are more sensitive to objects that are in front to the changing of viewing distance. The larger the viewing distance the deeper the depth. This paper demonstrates that 3D depth perceived by a viewer on a 3D image is a function of the viewing distance. ![]()
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