Search Results - "Situ, Guohai"
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On the use of deep learning for computational imaging
Published in Optica (20-08-2019)Get full text
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Learning from simulation: An end-to-end deep-learning approach for computational ghost imaging
Published in Optics express (02-09-2019)“…Artificial intelligence (AI) techniques such as deep learning (DL) for computational imaging usually require to experimentally collect a large set of labeled…”
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Dynamics of the Berezinskii–Kosterlitz–Thouless transition in a photon fluid
Published in Nature photonics (01-08-2020)“…In addition to enhancing confinement, restricting optical systems to two dimensions gives rise to new photonic states, modified transport and distinct…”
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Far-field super-resolution ghost imaging with a deep neural network constraint
Published in Light, science & applications (01-01-2022)“…Ghost imaging (GI) facilitates image acquisition under low-light conditions by single-pixel measurements and thus has great potential in applications in…”
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Deep-learning-based ghost imaging
Published in Scientific reports (19-12-2017)“…In this manuscript, we propose a novel framework of computational ghost imaging, i.e., ghost imaging using deep learning (GIDL). With a set of images…”
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Phase imaging with an untrained neural network
Published in Light, science & applications (06-05-2020)“…Most of the neural networks proposed so far for computational imaging (CI) in optics employ a supervised training strategy, and thus need a large training set…”
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Cyphertext-only attack on the double random-phase encryption: Experimental demonstration
Published in Optics express (17-04-2017)“…We demonstrate experimentally that the traditional double random phase encoding (DPRE) technique is vulnerable to the cyphertext-only attack (COA). With the…”
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Novel magic angle-step state and mechanism for restraining the path ripple of magnetorheological finishing
Published in International journal of machine tools & manufacture (01-02-2021)“…Computer-controlled sub-aperture polishing technology is limited by its propensity to introduce mid-spatial-frequency (MSF) error (ripple error), which…”
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Fast modal decomposition for optical fibers using digital holography
Published in Scientific reports (26-07-2017)“…Eigenmode decomposition of the light field at the output end of optical fibers can provide fundamental insights into the nature of electromagnetic-wave…”
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Passive imaging through inhomogeneous scattering media
Published in Scientific reports (09-07-2024)“…According to the atmospheric scattering model (ASM), the object signal’s attenuation diminishes exponentially as the imaging distance increases. This imposes…”
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High Speed Computational Ghost Imaging via Spatial Sweeping
Published in Scientific reports (30-03-2017)“…Computational ghost imaging (CGI) achieves single-pixel imaging by using a Spatial Light Modulator (SLM) to generate structured illuminations for spatially…”
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Extending the depth-of-field of imaging systems with a scattering diffuser
Published in Scientific reports (09-05-2019)“…Large depth of field (DOF) is a longstanding goal in optical imaging field. In this paper we presented a simple but efficient method to extend the DOF of a…”
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13
Interferometric rotating point spread function
Published in Scientific reports (19-07-2017)“…Rotating point spread functions (PSF), such as the double helix (DH) PSF, are widely used in localization-based super-resolution imaging because of their large…”
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Reconfigurable Terahertz Metasurface Pure Phase Holograms
Published in Advanced optical materials (17-05-2019)“…Terahertz (THz) radiation has many potential applications. However, comparing with the rapid development of THz sources and detectors, functional devices for…”
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Deep-learning-based ciphertext-only attack on optical double random phase encryption
Published in Opto-Electronic Advances (01-01-2021)“…Optical cryptanalysis is essential to the further investigation of more secure optical cryptosystems.Learning-based at-tack of optical encryption eliminates…”
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Learning-based real-time imaging through dynamic scattering media
Published in Light, science & applications (16-08-2024)“…Imaging through dynamic scattering media is one of the most challenging yet fascinating problems in optics, with applications spanning from biological…”
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Roadmap on chaos-inspired imaging technologies (CI2-Tech)
Published in Applied physics. B, Lasers and optics (01-03-2022)“…In recent years, rapid developments in imaging concepts and computational methods have given rise to a new generation of imaging technologies based on chaos…”
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Polarization multiplexing for double images display
Published in Opto-Electronic Advances (01-01-2019)“…Metasurface provides subwavelength structures for manipulating wavefronts of light. The benefits of subwavelength components offer a continuous modulation of…”
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Defogging lens design for infrared laser active imaging by orbital angular momentum meta-surface
Published in AIP advances (01-04-2023)“…Imaging in scattering media has been a big problem, as the ballistic light carrying object information is swamped by background noise, thus degrading the…”
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Learning-based lensless imaging through optically thick scattering media
Published in Advanced photonics (18-06-2019)Get full text
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