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IMAX is a proprietary system of high-resolution cameras, film formats, film projectors, and theaters known for having very large screens with a tall aspect ratio (approximately either 1.43:1 or 1.90:1) and steep stadium seating, with the 1.43:1 ratio format being available only in few selected locations.
The IMAX 3D system and digital 3D systems are used (the latter is used in the animated movies of Disney/Pixar). The RealD 3D system works by using a single digital projector that swaps back and forth between the images for eyes. A filter is placed in front of the projector that changes the polarization of the light coming from the projector.
3D films are motion pictures made to give an illusion of three-dimensional solidity, usually with the help of special glasses worn by viewers. They have existed in some form since 1915 [citation needed], but had been largely relegated to a niche in the motion picture industry because of the costly hardware and processes required to produce and display a 3D film, and the lack of a standardized ...
Dolby 3D uses spectrum separation, where the two projectors function in stacked operation with each projector emitting a slightly different wavelength of red, green, and blue primary. There is no polarization present on the projector, and the 3D spectacles have notch filters that block the primaries used by the projector projecting the image ...
A polarized 3D system uses polarization glasses to create the illusion of three-dimensional images by restricting the light that reaches each eye (an example of stereoscopy). To present stereoscopic images and films, two images are projected superimposed onto the same screen or display through different polarizing filters .
The first 3D feature by DreamWorks Animation Monsters vs Aliens followed in 2009 and used a new digital rendering process called InTru3D which is a process developed by Intel to create more realistic 3D images despite the fact that they are animated. InTru3D is not a way that films are exhibited in theaters in 3D, the films created in this ...
Digital cinema is distinct from high-definition television and does not necessarily use traditional television or other traditional high-definition video standards, aspect ratios, or frame rates. In digital cinema, resolutions are represented by the horizontal pixel count, usually 2K (2048×1080 or 2.2 megapixels ) or 4K (4096×2160 or 8.8 ...
Nonetheless, 3D films were prominently featured in the 1950s in American cinema, and later experienced a worldwide resurgence in the 1980s and 1990s driven by IMAX high-end theaters and Disney themed-venues. 3D films became more and more successful throughout the 2000s, culminating in the unprecedented success of 3D presentations of Avatar in ...