Nothing Special   »   [go: up one dir, main page]

Yan et al., 2024 - Google Patents

Recoding double-phase holograms with the full convolutional neural network

Yan et al., 2024

View PDF
Document ID
11287577010360994765
Author
Yan X
Liu X
Li J
Hu H
Lin M
Wang X
Publication year
Publication venue
Optics & Laser Technology

External Links

Snippet

Herein, we proposed a method to recode double-phase holograms (DPHs) with a full convolutional neural network (FCN) for alleviating the fringes and spatial shifting noises in that. There are many fringes near the edge of the diffraction field due to the incomplete …
Continue reading at papers.ssrn.com (PDF) (other versions)

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/08—Synthesising holograms, i.e. holograms synthesized from objects or objects from holograms
    • G03H1/0841—Encoding method mapping the synthesized field into a restricted set of values representative of the modulator parameters, e.g. detour phase coding
    • G03H2001/0858—Cell encoding wherein each computed values is represented by at least two pixels of the modulator, e.g. detour phase coding
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2294—Addressing the hologram to an active spatial light modulator
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0402—Recording geometries or arrangements
    • G03H2001/0421—Parallax aspect
    • G03H2001/0423—Restricted parallax, e.g. horizontal parallax only holograms [HPO]
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/16—Processes or apparatus for producing holograms using Fourier transform
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/0005—Adaptation of holography to specific applications
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H2001/0208—Individual components other than the hologram
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H2001/0204—Object characteristics
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2222/00—Light sources or light beam properties
    • G03H2222/10—Spectral composition
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06E—OPTICAL COMPUTING DEVICES; COMPUTING DEVICES USING OTHER RADIATIONS WITH SIMILAR PROPERTIES
    • G06E3/00—Devices not provided for in group G06E1/00, e.g. for processing analogue or hybrid data
    • G06E3/001—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements

Similar Documents

Publication Publication Date Title
Liu et al. 4K-DMDNet: diffraction model-driven network for 4K computer-generated holography
Chakravarthula et al. Wirtinger holography for near-eye displays
Deng et al. Coherence properties of different light sources and their effect on the image sharpness and speckle of holographic displays
Padmanaban et al. Holographic near-eye displays based on overlap-add stereograms
CN110363843B (en) Three-dimensional image optical reconstruction method and system based on phase shift compression Fresnel holography
Yan et al. Recoding double-phase holograms with the full convolutional neural network
Kashter et al. Sparse synthetic aperture with Fresnel elements (S-SAFE) using digital incoherent holograms
Shen et al. Optimized iterative method for generating phase-only Fourier hologram based on quadratic phase
Huang et al. Multiplane digital holography based on extrapolation iterations
Zeng et al. Off-axis phase-only holograms of 3D objects using accelerated point-based Fresnel diffraction algorithm
Yang et al. Computer generated full-parallax synthetic hologram based on frequency mosaic
Tong et al. A Deep‐Learning Approach for Low‐Spatial‐Coherence Imaging in Computer‐Generated Holography
Yan et al. Generating Multi‐Depth 3D Holograms Using a Fully Convolutional Neural Network
Kumar et al. Interferenceless incoherent digital holography with binary coded apertures optimized using direct binary search
Li et al. Multi-wavelength network: predicted-illumination for phase unwrapping in quantitative phase imaging
CN104035313A (en) Hologram coding method of precise intensity modulation holographic display
Manisha et al. Randomness assisted in-line holography with deep learning
Tsang Computer-Generated Phase-Only Holograms for 3D Displays: A Matlab Approach
Chen et al. Real-time hologram generation using a non-iterative modified Gerchberg-Saxton algorithm
Zhai et al. An approach for holographic projection with higher image quality and fast convergence rate
Cheremkhin et al. DMD-based optical pattern recognition using holograms generated with the Hartley transform
Tahara et al. Algorithm for extracting multiple object waves without Fourier transform from a single image recorded by spatial frequency-division multiplexing and its application to digital holography
Chen et al. Multiple sub-holograms optimization for holographic near-eye display based on holographic viewing-window
Agour et al. Experimental investigation of holographic 3D-TV approach
Fujimori et al. Wide-viewing-angle holographic 3D display using lens array for point cloud data