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

Ryu et al., 2022 - Google Patents

Continuous depth control of phase-only hologram with depth embedding block

Ryu et al., 2022

View PDF
Document ID
6217502059195699819
Author
Ryu W
Lee J
Won Y
Publication year
Publication venue
IEEE Photonics Journal

External Links

Snippet

Digital holography is a promising candidate for advanced display, although several obstacles remain, such as the problem of heavy time consumption in the generation of phase-only holograms. Recently, deep-learning-based methods have achieved the real …
Continue reading at ieeexplore.ieee.org (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
    • G03H1/0808—Methods of numerical synthesis, e.g. coherent ray tracing [CRT], diffraction specific
    • G03H2001/0833—Look up table
    • 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
    • G03H1/02—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
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/16—Processes or apparatus for producing holograms using Fourier transform
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image

Similar Documents

Publication Publication Date Title
Shi et al. Towards real-time photorealistic 3D holography with deep neural networks
Shimobaba et al. Deep-learning computational holography: A review
KR101442851B1 (en) Method for encoding a computer-generated hologram
US20230205133A1 (en) Real-time Photorealistic 3D Holography With Deep Neural Networks
WO2021216747A1 (en) Real-Time Photorealistic 3D Holography with Deep Neural Networks
Khan et al. GAN‐Holo: Generative Adversarial Networks‐Based Generated Holography Using Deep Learning
US9965836B2 (en) Method and apparatus for performing fourier transformation
CN107301458B (en) Phase optimization method based on intensity transmission equation
KR20140096532A (en) Apparatus and method for generating digital hologram
CN111240177B (en) Holographic speckle noise suppression method based on layered pixel scanning algorithm
Yeom et al. Phase-only hologram generation based on integral imaging and its enhancement in depth resolution
KR100910642B1 (en) Method for reproducing hologram 3D image by integral imaging scheme and Apparatus thereof
Ryu et al. Continuous depth control of phase-only hologram with depth embedding block
Li et al. Speckle noise suppression algorithm of holographic display based on spatial light modulator
EP3974912A1 (en) System and method for reconstruction of holographic lens-free images by multi-depth sparse phase recovery
CN117876591A (en) Real fuzzy three-dimensional hologram reconstruction method for combined training of multiple neural networks
Shiomi et al. Fast hologram calculation method using wavelet transform: WASABI-2
KR20210095433A (en) Deep learning model for generating phase hologram at high speed and learning method thereof
Chen et al. Generation of phase-only holograms based on aliasing reuse and application in holographic see-through display system
CN115857305A (en) Adjustable depth of field hologram reconstruction method based on gradient descent optimization algorithm
Wu et al. 7‐1: Computer generated hologram accelerated by using hybrid iterative Fourier transform algorithm (HIFTA) on phase modulator LCOS
KR102144473B1 (en) APPARATUS AND METHOD FOR PRODUCING 3-Dimension HOLOGRAM IMAGE
Bo Deep learning approach for computer-generated holography
Zhou et al. Point spread function-inspired deformable convolutional network for holographic displays
Kazempourradi et al. Fast computer-generated hologram computation using rendered depth map image