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Computer generated holography: novel procedure
Optics Communications, 1993Abstract It is shown that the spatially filtered image of a generalized wide slit can be used for synthesizing 1D complex amplitude distribution, in a similar fashion to computer generated holography.
Adolf W. Lohmann, J. Ojeda-Castañeda
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A New Approach to Computer-Generated Holography
Applied Optics, 1970A digital computer and automatic plotter have been used to produce a series of perspective views of a computer-stored three-dimensional object which is slightly rotated for each view. All of these views are combined together optically to produce a final hologram which can be viewed in high ambient light conditions. The reconstructed image appears three
M C, King, A M, Noll, D H, Berry
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Optical wavelet transforms from computer-generated holography
Applied Optics, 1994An optical implementation of a wavelet transform is presented. Optical Haar wavelets are created by the use of computer-generated holography. Two different holographic techniques are explored: (1) interferogram and (2) detour-phase. A discrete representation of a continuous wavelet transform is obtained by the optical correlation of an image with a ...
P G, Block, S K, Rogers, D W, Ruck
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Iterative Approaches To Computer Generated Holography
SPIE Proceedings, 1988The iterative alternating projections onto constraint sets (POCS) algorithm is applied to the design of computer-generated holograms (CGH's). The performance of the resulting CGH's is compared to those designed by the non-iterative error diffusion algorithm and direct binary search (DBS), which is another iterative technique. Both iterative methods are
Jan P. Allebach, Donald W. Sweeney
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New approach to computer-generated holography
SPIE Proceedings, 1990A new fast approach to computer-generated holography for 3-D objects points in arbitrary positions in 3-D space is presented. The approach is based on fast computation of weighted zero-crossings their accumulation and thresholding to achieve a coded hologram to be physically generated. 1.
Okan K. Ersoy, C. Bubb
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NeRF-based computer-generated holography
Optica Digital Holography and Three-Dimensional Imaging 2024 (DH)This study introduces hologram generation from two-dimensional images using neural radiance fields (NeRF). The proposed method enables the generation of holograms capable of reproducing 3D images viewing at arbitrary viewpoints.
Tomoyoshi Shimobaba +4 more
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New approaches to computer-generated holography
Annual Meeting Optical Society of America, 1989Computer-generated holograms have limitations such as in quality of coding, space-bandwidth product, and plotting technologies. In representation of 3-D information, the problem of how to represent 3-D scenes so that they can be viewed with satisfaction presents an important challenge.
O. K. Ersoy, C. Bubb, J. Brede
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New method for computer-generated holography
Optical Society of America Annual Meeting, 1990A new method for computer-generated holography is introduced, based on stacking zero crossings of partial wavefields and then quantizing. A fast method for finding the zero crossings when each partial wavefield results from a point source in space is discussed.
O. K. Ersoy, C. E. Bubb
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Computer-Generated Holography And Optical Testing
Optical Engineering, 1980A computer-generated hologram is a geometric pattern that can be used as a precise reference in an optical test. Computer-generated holograms can be used to make reference wavefronts that would be very difficult and expensive to make by other methods. This paper reviews the development of computer-generated holograms for optical testing.
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