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beam tracing

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  • Beam tracing — is a derivative of the ray tracing algorithm that replaces rays, which have no thickness, with beams. Beams are shaped like unbounded pyramids, with (possibly complex) polygonal cross sections. Beam tracing was first proposed by Paul Heckbert and …   Wikipedia

  • Ray tracing (graphics) — In computer graphics, ray tracing is a technique for generating an image by tracing the path of light through pixels in an image plane. The technique is capable of producing a very high degree of photorealism; usually higher than that of typical… …   Wikipedia

  • Cone tracing — is a derivative of the ray tracing algorithm that replaces rays, which have no thickness, with cones. Cone tracing is related to beam tracing, but uses circular rather than polygonal cross sections. Cone tracing solves certain problems related to …   Wikipedia

  • Light Ray Tracing — Der Begriff Light Ray Tracing, auch Backward Ray Tracing, Forward Ray Tracing oder Light Tracing genannt, bezeichnet einen Algorithmus zur Bildsynthese, der auf Raytracing basiert. Es handelt sich dabei um eine Umkehrung des normalen Raytracing… …   Deutsch Wikipedia

  • Light tracing — Der Begriff Light Ray Tracing, auch Backward Ray Tracing, Forward Ray Tracing oder Light Tracing genannt, bezeichnet einen Algorithmus zur Bildsynthese, der auf Raytracing basiert. Es handelt sich dabei um eine Umkehrung des normalen Raytracing… …   Deutsch Wikipedia

  • Complex beam parameter — In optics, the complex beam parameter is a complex number that specifies the properties of a Gaussian beam at a particular point z along the axis of the beam. It is usually denoted by q. It can be calculated from the beam s vacuum wavelength λ0,… …   Wikipedia

  • Electron beam tomography — (EBT) is a specific form of computed axial tomography (CAT or CT) in which the X ray tube is not mechanically spun in order to rotate the source of X ray photons. This different design was explicitly developed to better image heart structures… …   Wikipedia

  • Akira Fujimoto — ] He earned BS and MS degrees in engineering from the University of Szczecin, Poland and PhD from the University of Tokyo. Since 1981 he worked for Grafica Computer Corporation, leaving it in 1986 to form his own company.In 1985 he developed the… …   Wikipedia

  • Global illumination — is a general name for a group of algorithms used in 3D computer graphics that are meant to add more realistic lighting to 3D scenes. Such algorithms take into account not only the light which comes directly from a light source ( direct… …   Wikipedia

  • Hidden surface determination — In 3D computer graphics, hidden surface determination (also known as hidden surface removal (HSR), occlusion culling (OC) or visible surface determination (VSD)) is the process used to determine which surfaces and parts of surfaces are not… …   Wikipedia

  • Screen tearing — is a phenomenon in video where a previously rendered frame overlaps a newly rendered frame, creating a look as two parts of an object (such as a wall) don t line up. This occurs when the output device sends frames out of sync with the display s… …   Wikipedia

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