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Original, Anamorphic and letterbox. Anamorphic widescreen (also called full-height anamorphic or FHA) is a process by which a widescreen image is horizontally compressed to fit into a storage medium (photographic film or MPEG-2 standard-definition frame, for example) with a narrower aspect ratio, reducing the horizontal resolution of the image while keeping its full original vertical resolution.
Figure 2. Shooting with an anamorphic lens squeezes the image horizontally by 2:1 to record a wide image on the more squarish film aperture, resulting in a higher resolution but distorted image. When projecting the film, a reverse, complementary lens (of the same anamorphic power) stretched the image horizontally to the original proportions.
A flipped image is a static or moving image that is generated by a mirror-reversal of an original across a horizontal axis, making the image upside-down. In contrast, a flopped image is mirrored across the vertical axis, as in a conventional mirror image .
The program tiles the pattern image horizontally to cover an area whose size is identical to the depth map. Conceptually, at every pixel in the output image, the program looks up the grayscale value of the equivalent pixel in the depth map image, and uses this value to determine the amount of horizontal shift required for the pixel.
In general, an object and its mirror image are called enantiomorphs. If a point of an object has coordinates (x, y, z) then the image of this point (as reflected by a mirror in the y, z plane) has coordinates (−x, y, z). Thus reflection is a reversal of the coordinate axis perpendicular to the mirror's surface.
Mirror images can be created and images can be horizontally flipped or vertically flopped. A small rotation of several degrees is often enough to level the horizon, correct verticality (of a building, for example), or both. Rotated images usually require cropping afterwards, in order to remove the resulting gaps at the image edges.
Panoramic photography is a technique of photography, using specialized equipment or software, that captures images with horizontally elongated fields of view. It is sometimes known as wide format photography .
In photography and graphic arts a flopped image is a static or moving image that is generated by a reversal of an original image across a vertical axis, as in a conventional mirror image. This is opposed to a flipped image , which means an image reversed across a horizontal axis.
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