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  2. Structured-light 3D scanner - Wikipedia

    en.wikipedia.org/wiki/Structured-light_3D_scanner

    The projection method uses incoherent light and basically works like a video projector. Patterns are usually generated by passing light through a digital spatial light modulator, typically based on one of the three currently most widespread digital projection technologies, transmissive liquid crystal, reflective liquid crystal on silicon (LCOS ...

  3. Structured light - Wikipedia

    en.wikipedia.org/wiki/Structured_light

    Structured light is the process of projecting a known pattern (often grids or horizontal bars) on to a scene. The way that these deform when striking surfaces allows vision systems to calculate the depth and surface information of the objects in the scene, as used in structured light 3D scanners.

  4. 3D scanning - Wikipedia

    en.wikipedia.org/wiki/3D_scanning

    Structured-light 3D scanners project a pattern of light on the subject and look at the deformation of the pattern on the subject. The pattern is projected onto the subject using either an LCD projector or other stable light source. A camera, offset slightly from the pattern projector, looks at the shape of the pattern and calculates the ...

  5. Tomographic reconstruction - Wikipedia

    en.wikipedia.org/wiki/Tomographic_reconstruction

    Each projection, resulting from tomography under a specific angle, is made up of the set of line integrals through the object. Resulting tomographic image from a plastic skull phantom. Projected X-rays are clearly visible on this slice taken with a CT-scan as image artifacts, due to limited amount of projection slices over angles.

  6. 3D object recognition - Wikipedia

    en.wikipedia.org/wiki/3D_object_recognition

    In computer vision, 3D object recognition involves recognizing and determining 3D information, such as the pose, volume, or shape, of user-chosen 3D objects in a photograph or range scan. Typically, an example of the object to be recognized is presented to a vision system in a controlled environment, and then for an arbitrary input such as a ...

  7. Autostereogram - Wikipedia

    en.wikipedia.org/wiki/Autostereogram

    Wallpaper autostereogram is a single 2D image where recognizable patterns are repeated at various intervals to raise or lower each pattern's perceived 3D location in relation to the display surface. Despite the repetition, these are a type of single image autostereogram. Single image random text stereogram (SIRTS)

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