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Embedding image into a phase-only hologram
Optics Communications, 2015 Past research has demonstrated that with error diffusion, a complex Fresnel hologram can be converted into a phase-only hologram, and capable of preserving high fidelity on its reconstructed image.
P W M Tsang
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Intraoperative 3D Hologram Support With Mixed Reality Techniques in Liver Surgery.
Annals of Surgery, 2020OBJECTIVE The aim of this study was to investigate the potential of an intraoperative 3D hologram, which was a computer graphics model liver, with mixed reality techniques in liver surgery.
Yu Saito +7 more
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2022 IEEE Conference on Virtual Reality and 3D User Interfaces (VR), 2022
UK Research & Innovation (UKRI); Engineering & Physical Sciences Research Council (EPSRC); Royal Society of ...
David R. Walton +8 more
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UK Research & Innovation (UKRI); Engineering & Physical Sciences Research Council (EPSRC); Royal Society of ...
David R. Walton +8 more
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Nanoscale Horizons, 2020
A direction-multiplexed visible metahologram is proposed. We demonstrate monolayer direction-controlled multiplexing of a transmission type metasurface hologram made of hydrogenated amorphous silicon in the visible domain.
Muhammad Afnan Ansari +7 more
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A direction-multiplexed visible metahologram is proposed. We demonstrate monolayer direction-controlled multiplexing of a transmission type metasurface hologram made of hydrogenated amorphous silicon in the visible domain.
Muhammad Afnan Ansari +7 more
semanticscholar +1 more source
Nature, 2016
Holographic techniques are fundamental to applications such as volumetric displays, high-density data storage and optical tweezers that require spatial control of intricate optical or acoustic fields within a three-dimensional volume. The basis of holography is spatial storage of the phase and/or amplitude profile of the desired wavefront in a manner ...
Kai Melde +3 more
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Holographic techniques are fundamental to applications such as volumetric displays, high-density data storage and optical tweezers that require spatial control of intricate optical or acoustic fields within a three-dimensional volume. The basis of holography is spatial storage of the phase and/or amplitude profile of the desired wavefront in a manner ...
Kai Melde +3 more
openaire +4 more sources
When metasurface meets hologram: principle and advances
Advances in Optics and Photonics, 2019Holography has numerous applications because of its capability of arbitrary wavefront modulation. Computer-generated holograms (CGHs) take it a big step forward. Conventional holography engineers the wavefront via phase accumulation, suffering from large
Q. Jiang, Guofan Jin, Liangcai Cao
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Deep-learning-based binary hologram.
Applied Optics, 2020Binary hologram generation based on deep learning is proposed. The proposed method can reduce the severe effect of quality degradation from binarizing gray-scaled holograms by optimizing the neural network to output binary amplitude holograms directly ...
Hiroaki Goi, K. Komuro, T. Nomura
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IEEE Computer Graphics and Applications, 2006
The goal of the HoloGraphics project at Bauhaus-University Weimar is to investigate possibilities of combining the advantages of conventional holograms - such as high visual quality and realism, support for all depth queues and for multiple observers at no computational cost, and space efficiency - with the advantages of today's computer graphics ...
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The goal of the HoloGraphics project at Bauhaus-University Weimar is to investigate possibilities of combining the advantages of conventional holograms - such as high visual quality and realism, support for all depth queues and for multiple observers at no computational cost, and space efficiency - with the advantages of today's computer graphics ...
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Multiple information encryption by user-image-based gyrator transform hologram
Optics and Lasers in Engineering, 2017Muhammad Rafiq Abuturab
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2022
A hologram is an image in which each area contains almost all the information about the entire system. It is a metaphor commonly used for complex systems in which the whole is bigger than the sum of the parts because of self-organization. And also the whole is smaller than the sum of the parts, since the collective organization limits the behavior of ...
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A hologram is an image in which each area contains almost all the information about the entire system. It is a metaphor commonly used for complex systems in which the whole is bigger than the sum of the parts because of self-organization. And also the whole is smaller than the sum of the parts, since the collective organization limits the behavior of ...
openaire +1 more source