Results 11 to 20 of about 4,908 (221)
Open-Set Learning-Based Hologram Verification System Using Generative Adversarial Networks
IEEE Access, 2022 In this study, we address the hologram authenticity challenge by introducing a novel deep-learning based end-to-end hologram verification system. The system ultimately makes the decision whether the hologram image captured from a mobile application is ...
Betul Ay
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Randomness assisted in-line holography with deep learning
Scientific Reports, 2023 We propose and demonstrate a holographic imaging scheme exploiting random illuminations for recording hologram and then applying numerical reconstruction and twin image removal.
Manisha +4 more
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Fast Hologram Calculation Method Based on Wavefront Precise Diffraction
Micromachines, 2023 In this paper, a fast hologram calculation method based on wavefront precise diffraction is proposed. By analyzing the diffraction characteristics of the object point on the 3D object, the effective viewing area of the reproduced image is analyzed. Based
Zimu Wang +4 more
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Fourier Convolution Operation on Metasurface-Based Hologram in Microwave Region
Photonics, 2021 In this paper, a 0.1λ0-thick 1-bit coding metasurface is proposed to achieve a polarization-insensitive hologram under oblique incidence, utilizing compact ground-backed patch unit cells.
Shuai Yang +5 more
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Compression of Phase-Only Holograms with JPEG Standard and Deep Learning
Applied Sciences, 2018 It is a critical issue to reduce the enormous amount of data in the processing, storage and transmission of a hologram in digital format. In photograph compression, the JPEG standard is commonly supported by almost every system and device.
Shuming Jiao +5 more
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Generation of Hybrid Optical Trap Array by Holographic Optical Tweezers
Frontiers in Physics, 2021 Enabled by multiple optical traps, holographic optical tweezers can manipulate multiple particles in parallel flexibly. Spatial light modulators are widely used in holographic optical tweezers, in which Gaussian point (GP) trap arrays or special mode ...
Xing Li +12 more
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Sub-Terahertz Computer Generated Hologram with Two Image Planes
Applied Sciences, 2019 An advanced optical structure such as a synthetic hologram (also called a computer-generated hologram) is designed for sub-terahertz radiation. The detailed design process is carried out using the ping-pong method, which is based on the modified ...
Mateusz Surma +3 more
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EFFECT OF OBJECT REPRESENTATION FORM ON DEPTH RESOLUTION OF RESTORED IMAGES OBTAINED BY SYNTHESIZED FRESNEL HOLOGRAMS [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2019 Subject of the Research. The paper presents the study on the effect of object representation form on the depth resolution of images reconstructed via computer-generated Fresnel holograms-projectors. Method.
Sergey N. Koreshev, Marina A. Frolova
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Practical Method to Screen Contaminated Holograms of Flocs Using Light Intensity
Frontiers in Marine Science, 2021 Submergible digital holographic camera can measure the in situ size and shape of suspended particles, such as complex flocs and biological organisms, without disturbance.
Sun Min Choi +4 more
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Monochrome Image Hologram (MIH)
مجلة بغداد للعلوم, 2008 A new computer-generated optical element called a monochrome image hologram (MIH) is described. A real nonnegative function to represent the transmittance of a synthesized hologram is used.
Baghdad Science Journal
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