As an assessment of 3D technologies is unavoidably associated with the future and as nothing is known to be more risky to predict than the future, attempts at this could be called audacious. It may be best to approach this assessment very cautiously by first staying with 2D images and investigate physiological means of deriving 3D sensations in the form of illusions from planar 2D images. This enhancement of 3D perception will have to be realized electronically by additions to the addressing circuits. The aspects related to luminance, contrast, sharpness, and color can be controlled by the addressing voltages across the pixels. The first task is to determine the depth in a real-time process, for which focus on only three depths, namely near, middle, and far. The three 3D technologies, namely, integral imaging, holography, and volumetric displays, are the only approaches able to display a true 3D image.

Controlled Vocabulary Terms

holography; three-dimensional displays