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Stereoscopy creates the impression of three-dimensional depth from a pair of two-dimensional images. [5] Human vision, including the perception of depth, is a complex process, which only begins with the acquisition of visual information taken in through the eyes; much processing ensues within the brain, as it strives to make sense of the raw information.
The technique was originally introduced by Woodham in 1980. [2] The special case where the data is a single image is known as shape from shading, and was analyzed by B. K. P. Horn in 1989. [3] Photometric stereo has since been generalized to many other situations, including extended light sources and non-Lambertian surface finishes. Current ...
Wiggle stereoscopy offers the advantages that no glasses or special hardware is required; most people can perceive the effect more quickly than when using cross-eyed and parallel viewing techniques. Furthermore, it offers stereo-like depth to people with limited or no vision in one eye.
Low altitude aerial photograph for use in photogrammetry. Location: Three Arch Bay, Laguna Beach, California. Photogrammetry is the science and technology of obtaining reliable information about physical objects and the environment through the process of recording, measuring and interpreting photographic images and patterns of electromagnetic radiant imagery and other phenomena.
The Stereo Realist, which defined a new stereo format. The middle lens is for view-finding. Sputnik stereo camera (Soviet Union, 1960s). Although there are three lenses present, only the lower two are used for the photograph – the third lens serves as a viewfinder for composition. The Sputnik produces two side-by-side square images on 120 film.
1. 3D film. A 3D or 3-D (three-dimensional) film or S3D (stereoscopic 3D) film [5] is a motion picture that enhances the depth cues seen by the viewer. The most common approach to the production of 3D films is derived from stereoscopic photography.
Multiple view stereoscopes allow viewing multiple stereoscopic images in sequence by turning a knob, crank, or pushing down a lever. The first design was patented by Antoine Claudet in 1855, [ 11 ] but the design of Alexander Beckers from 1857 [ 11 ] formed the basis for many revolving stereoscopes that were manufactured from the 1860s.
The epipolar geometry then describes the relation between the two resulting views. Epipolar geometry is the geometry of stereo vision. When two cameras view a 3D scene from two distinct positions, there are a number of geometric relations between the 3D points and their projections onto the 2D images that lead to constraints between the image ...