Results 131 to 140 of about 5,671,364 (222)

Computer-generated holography using a digital signal processor

, 2019
We present an implementation of the One-Step Phase-Retrieval (OSPR) algorithm for computer-generated holography (CGH) using a digital signal processor (DSP).
Kadis, A, Wang, Y, Dong, D, Christopher, PJ, ,, Wilkinson, TD   +5 more
core  

Correlative X‐ray imaging and fluorescence microscopy in hydrated environments

Journal of Synchrotron Radiation, Volume 33, Issue 6, Page 1779-1793, November 2026.
We present a combined imaging platform that integrates beamline‐compatible fluorescence microscopy with scanning small‐angle X‐ray scattering to enable sequential multimodal investigations of hydrated cells under near‐native conditions. We apply our method to ordered cytoskeletal structures in different cell types and demonstrate the direct correlation
Mangalika Sinha, Boram Yu, Rita Mendes Da Silva, Ulrike Rölleke, Peter Luley, Malte Tiburcy, Wolfram-Hubertus Zimmermann, Manfred Burghammer, Sarah Köster   +8 more
wiley   +1 more source

Learning Adaptive Filtering in the Fourier Domain for Fringe Pattern Analysis: A New Reconstruction Paradigm in Digital Holographic Interferometry

Nanophotonics, Volume 15, Issue 20, 27 October 2026.
The object beam and the reference beam interfere at the camera sensor surface and multi‐angle tomographic recording based on off‐axis digital holography. ABSTRACT Single‐frame fringe pattern analysis in digital holographic interferometry (DHI) is essential for precision phase measurement under dynamic conditions. Recent advances in deep learning within
Youxing Li, Lingzhi Meng, Zhiyuan Xu, Hongwei Li, Kai Zhang, Yaoqing Xie, Libo Yuan   +6 more
wiley   +1 more source

Role of perceptually guided image quality metrics in computer-generated holography [PDF]

Computer-Generated Holography (CGH) algorithms relies on pixel-wise evaluation metrics for calculating holograms. Our work addresses a gap in the literature by evaluating various combinations of conventional pixel-wise metrics such as L2-norm and ...
Mantiuk, R, Akşit, K, Yılmaz, D
core   +1 more source

Mixed-Scene Holographic 3D Display for Film and Television Visual Content Presentation: Zero-Order-Suppressed Single-Hologram Fusion and Parallax-Preserving Digital Resizing

Photonics
Mixed-scene holographic 3D display for film and television visual content presentation remains challenging because recorded digital holograms and computer-generated holograms (CGHs) are produced under different numerical and hardware constraints.
Pengfei Huang, Tao Wang
doaj   +1 more source

OntOMat: Toward Ontology‐Based Product and Process Design Engineering and Optimization Solutions Fueling Circular Value Chains

Advanced Engineering Materials, Volume 28, Issue 20, 21 October 2026.
The OntOMat ontology establishes a structured framework for polymer matrix fiber reinforced composite materials, integrating manufacturing processes, characterization methods, and multiscale design through the VDI/VDE 3682 formalized process description standard.
Nicolas Christ, Jörg Hohe, Martin Kördel, Michael Giese, Niklas Toffert, Christian Seidel, Olaf Rehme, Patrik Schneider, Oliver Focke, Elie Abi Aoun, Claas Falldorf, Beñat Gutierrez, Alexandra Kühn, Sven Torstrick-von der Lieth, Christoph Herden, Erik Johannsen, Jan‐Uwe R. Schmidt, Felix Winkelmann, Andreas Schott, Daniel Schott   +19 more
wiley   +1 more source

Programmable Multidimensional Diffraction Engineering via an Optically Addressed Nested Fourier Metasurface

Nanophotonics, Volume 15, Issue 19, 13 October 2026.
An optically addressed nested Fourier metasurface is presented for programmable multidimensional diffraction routing without electrical interconnects. Local Fourier‐mode engineering combined with global superlattice diffraction enables on‐demand reconfigurable routing.
Jing Guo, Qinglei Zhao, Jingrui Yang, Zongyi Liu, Mingdong Zhu, Shuai Liu, Chao Li, Shuxin Wang, Qinglong Hu, Fengwei Guan, Qiang Liu, Qi Song   +11 more
wiley   +1 more source

Multi frame holograms batched optimization for binary phase spatial light modulators

Scientific Reports
Phase retrieval methods used in computer generated holograms such as Gerchberg-Saxton and gradient descent give results which are prone to noise and other defects.
Jinze Sha, Antoni Wojcik, Benjamin Wetherfield, Jianghan Yu, Timothy D. Wilkinson   +4 more
doaj   +1 more source

Sparse‐Aperture Quasi‐Achromatic Spintronic Terahertz Emitter Enabled by Binary‐Phase Metasurface and Multi‐Spectral Intensity Optimization

Nanophotonics, Volume 15, Issue 19, 13 October 2026.
We propose a sparse‐aperture shared‐aperture design with multispectral intensity optimization, enabling a Pt/W binary‐phase metasurface directly integrated with a spintronic emitter. The device achieves quasi‐achromatic focusing across 1.0–1.5 THz, with intensity fluctuation below 33% and edge preservation above 0.68.
Wenkai Qiu, Yongshan Liu, Yunqing Jiang, Yong Xu, Sylvain Eimer, Xiaoqiang Zhang, Weisheng Zhao   +6 more
wiley   +1 more source

Optical HAAR Wavelet Transforms using Computer Generated Holography [PDF]

, 1992
This research introduces an optical implementation of the continuous wavelet transform to filter images. The wavelet transform is modeled as a correlation process and is implemented with a Vander Lugt correlator.
Block, Peter G.
core