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Compressive Light Field Displays
Sept.-Oct. 2012 (vol. 32 no. 5)
pp. 6-11
Gordon Wetzstein, MIT Media Lab
Douglas Lanman, MIT Media Lab
Matthew Hirsch, MIT Media Lab
Wolfgang Heidrich, University of British Columbia
Ramesh Raskar, MIT Media Lab
Light fields are the multiview extension of stereo image pairs: a collection of images showing a 3D scene from slightly different perspectives. Depicting high-resolution light fields usually requires an excessively large display bandwidth; compressive light field displays are enabled by the codesign of optical elements and computational-processing algorithms. Rather than pursuing a direct “optical” solution (for example, adding one more pixel to support the emission of one additional light ray), compressive displays aim to create flexible optical systems that can synthesize a compressed target light field. In effect, each pixel emits a superposition of light rays. Through compression and tailored optical designs, fewer display pixels are necessary to emit a given light field than a direct optical solution would require.
Index Terms:
Three dimensional displays,Tensile stress,Nonhomogeneous media,Brightness,Multimedia communication,Modulation,Liquid crystal displays,Polarization,computer graphics,Three dimensional displays,Tensile stress,Nonhomogeneous media,Brightness,Multimedia communication,Modulation,Liquid crystal displays,Polarization,multimedia,light fields,compressive light field displays,multilayer light field displays,3D displays,parallax displays,multiview displays,tomographic light field synthesis,polarization fields,LCDs,tensor displays,directional backlighting
Gordon Wetzstein, Douglas Lanman, Matthew Hirsch, Wolfgang Heidrich, Ramesh Raskar, "Compressive Light Field Displays," IEEE Computer Graphics and Applications, vol. 32, no. 5, pp. 6-11, Sept.-Oct. 2012, doi:10.1109/MCG.2012.99
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