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  2. Projection mapping - Wikipedia

    en.wikipedia.org/wiki/Projection_mapping

    Projection mapping, similar to video mapping and spatial augmented reality, is a projection technique [1] [2] used to turn objects, often irregularly shaped, into display surfaces for video projection. The objects may be complex industrial landscapes, such as buildings, small indoor objects, or theatrical stages.

  3. List of map projections - Wikipedia

    en.wikipedia.org/wiki/List_of_map_projections

    Arithmetic mean of the equirectangular projection and the Aitoff projection. Standard world projection for the NGS since 1998. 1904 Van der Grinten: Other Compromise Alphons J. van der Grinten: Boundary is a circle. All parallels and meridians are circular arcs. Usually clipped near 80°N/S. Standard world projection of the NGS in 1922–1988 ...

  4. Projection (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Projection_(mathematics)

    In mathematics, a projection is an idempotent mapping of a set (or other mathematical structure) into a subset (or sub-structure). In this case, idempotent means that projecting twice is the same as projecting once. The restriction to a subspace of a projection is also called a projection, even if the idempotence property is lost. An everyday ...

  5. IllumiRoom - Wikipedia

    en.wikipedia.org/wiki/IllumiRoom

    It is a scalable system for dynamic, real-time interactive projection mapping in which multiple such procams can be used together in a room to generate an immersive unified projection mapping that is automatically adapted to the room environment, and which users can interact with physically. Unlike IllumiRoom, which implements focus-plus ...

  6. 3D projection - Wikipedia

    en.wikipedia.org/wiki/3D_projection

    Projection is achieved by the use of imaginary "projectors"; the projected, mental image becomes the technician's vision of the desired, finished picture. [further explanation needed] Methods provide a uniform imaging procedure among people trained in technical graphics (mechanical drawing, computer aided design, etc.). By following a method ...

  7. Map projection - Wikipedia

    en.wikipedia.org/wiki/Map_projection

    A normal cylindrical projection is any projection in which meridians are mapped to equally spaced vertical lines and circles of latitude (parallels) are mapped to horizontal lines. The mapping of meridians to vertical lines can be visualized by imagining a cylinder whose axis coincides with the Earth's axis of rotation.

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