Qinnan Zhang
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View article: Efficient Single-Exposure Holographic Imaging via a Lightweight Distilled Strategy
Efficient Single-Exposure Holographic Imaging via a Lightweight Distilled Strategy Open
Digital holography can capture and reconstruct 3D object information, making it valuable for biomedical imaging and materials science. However, traditional holographic reconstruction methods require the use of phase shift operation in the …
View article: Single-pixel deep phase-shifting incoherent digital holography
Single-pixel deep phase-shifting incoherent digital holography Open
Incoherent digital holography technology reduces the requirement for coherence of light sources, greatly expanding the application range of digital holography. In this paper, we designed a Multi-head attention single-pixel (MHASP) phase-sh…
View article: Development of Mixed Matrix Membranes Involving Hierarchical Iptycene Moieties for Gas Separation
Development of Mixed Matrix Membranes Involving Hierarchical Iptycene Moieties for Gas Separation Open
The development of new membranes for energy-efficient gas separations has gained the attention of researchers over the past several decades. Numerous studies focus on designing novel polymers with the aim to overcome the limitations of an …
View article: Two-step orthogonalization phase demodulation method based on a single differential interferogram
Two-step orthogonalization phase demodulation method based on a single differential interferogram Open
To reduce the acquisition time of interferogram and provide a dynamic phase retrieval method with arbitrary phase shift using a dual-channel simultaneous polarization phase-shifting system, a two-step orthogonalization phase demodulation m…
View article: Terahertz Metamaterial Sensor for Sensitive Detection of Citrate Salt Solutions
Terahertz Metamaterial Sensor for Sensitive Detection of Citrate Salt Solutions Open
Citrate salts (CSs), as one type of organic salts, have been widely used in the food and pharmaceutical industries. Accurate and quantitative detection of CSs in food and medicine is very important for health and safety. In this study, an …
View article: Quantitative phase imaging based on model transfer learning
Quantitative phase imaging based on model transfer learning Open
Convolutional neural networks have been widely used in optical information processing and the generalization ability of the network depends greatly on the scale and diversity of the datasets, however, the acquisition of mass datasets and l…
View article: Single Exposure Phase-Only Optical Image Encryption and Hiding Method via Deep Learning
Single Exposure Phase-Only Optical Image Encryption and Hiding Method via Deep Learning Open
Phase-only optical image security technology Based on one-time pad is an encryption and hiding method by introducing random key through phase modulation, which can improve the security of the system to a great extent. The application of tr…
View article: Compressed Phase Coding Based-Optical Image Encryption
Compressed Phase Coding Based-Optical Image Encryption Open
View article: Random phase retrieval approach based on difference map using VU factorization
Random phase retrieval approach based on difference map using VU factorization Open
In this paper, we proposed a random phase retrieval approach based on two differential interferograms and VU factorization. Firstly, three interferograms with arbitrary phase shifts are subtracted, and then two differential interferograms …
View article: Hybrid-net: a two-to-one deep learning framework for three-wavelength phase-shifting interferometry
Hybrid-net: a two-to-one deep learning framework for three-wavelength phase-shifting interferometry Open
In this paper, we propose a two-to-one deep learning (DL) framework for three- wavelength phase-shifting interferometry. The interferograms at two different wavelengths are used as the input of the proposed hybrid-net, and the interferogra…
View article: Single-shot structured illumination microscopy
Single-shot structured illumination microscopy Open
Structured illumination microscopy (SIM) can double the resolution beyond the light diffraction limit, but it comes at the cost of multiple camera exposures and the heavy computation burden of multiple Fourier transforms. In this paper, we…
View article: Single Exposure Optical Image Watermarking Using a cGAN Network
Single Exposure Optical Image Watermarking Using a cGAN Network Open
A single exposure optical image watermarking framework based on deep learning (DL) is proposed in this paper, and original watermark image information can be reconstructed from only single-frame watermarked hologram by using an end-to-end …
View article: Quantitative phase imaging in dual-wavelength interferometry using a single wavelength illumination and deep learning
Quantitative phase imaging in dual-wavelength interferometry using a single wavelength illumination and deep learning Open
In this manuscript, we propose a quantitative phase imaging method based on deep learning, using a single wavelength illumination to realize dual-wavelength phase-shifting phase recovery. By using the conditional generative adversarial net…
View article: Surface modification of <scp>ZIF</scp>‐90 with triptycene for enhanced interfacial interaction in <scp>mixed‐matrix</scp> membranes for gas separation
Surface modification of <span>ZIF</span>‐90 with triptycene for enhanced interfacial interaction in <span>mixed‐matrix</span> membranes for gas separation Open
Zeolite imidazole framework (ZIF‐90) nanoparticles were chemically modified by grafting triptycene moieties. The modified nanoparticles were introduced into a triptycene‐based polyimide as fillers to generate mixed matrix membranes (MMMs) …
View article: Single-pixel compressive optical image hiding based on conditional generative adversarial network
Single-pixel compressive optical image hiding based on conditional generative adversarial network Open
We present a deep learning (DL) framework based on a conditional generative adversarial network (CGAN) to perform compressive optical image hiding (COIH) with a single-pixel detector. An end-to-end compressive sensing generative adversaria…
View article: Deep Phase Shifter for Quantitative Phase Imaging
Deep Phase Shifter for Quantitative Phase Imaging Open
A single intensity-only holographic interferogram can records the full amplitude and phase information of optical field. However, current digital holography technologies cannot recover the lossless phase information from a single interfero…
View article: Deep-learning-based optical image hiding
Deep-learning-based optical image hiding Open
A novel framework of optical image hiding based on deep learning (DL) is proposed in this paper, and hidden information can be reconstructed from an interferogram by using an end to end network with high-quality. By using the prior data be…
View article: Carbon nanotube-based mixed-matrix membranes with supramolecularly engineered interface for enhanced gas separation performance
Carbon nanotube-based mixed-matrix membranes with supramolecularly engineered interface for enhanced gas separation performance Open
View article: Image definition assessment based on Tchebichef moments for micro-imaging
Image definition assessment based on Tchebichef moments for micro-imaging Open
This paper proposes a Tchebichef moment (TM)-based image definition assessment (IDA) method that employs the difference in the logarithmic spectra (DLS). To avoid the influence of the original image, the essential element point spread func…
View article: Dynamic Imaging of Transferrin Receptor Molecules on Single Live Cell with Bridge Gaps-Enhanced Raman Tags
Dynamic Imaging of Transferrin Receptor Molecules on Single Live Cell with Bridge Gaps-Enhanced Raman Tags Open
A metal nanoparticles-based surface-enhanced Raman scattering (SERS) technique has been developed for biosensing and bioimaging due to its advantages in ultra-narrow line width for multiplexing, ultra-high sensitivity and excellent photost…
View article: Real-time measurement of the liquid-crystal optic-axis angle and effective refractive index distribution based on a common-path interferometer
Real-time measurement of the liquid-crystal optic-axis angle and effective refractive index distribution based on a common-path interferometer Open
A common-path interferometer for the real-time measurement of the liquid-crystal (LC) optic-axis angle and effective refractive index distribution is proposed. This method involves adding a polarizer and polarization camera to a general op…
View article: Raman spectrum spectral imaging revealing the molecular mechanism of Berberine-induced Jurkat cell apoptosis and the receptor-mediated Berberine delivery system
Raman spectrum spectral imaging revealing the molecular mechanism of Berberine-induced Jurkat cell apoptosis and the receptor-mediated Berberine delivery system Open
Berberine (BBR), a traditional Chinese herb extract medicine, reveals some anticancer effects in leukemia, but it remains controversial about the molecular mechanism of BBR-induced leukemia cell apoptosis. In this study, combining Raman sp…
View article: Exfoliated Graphene Leads to Exceptional Mechanical Properties of Polymer Composite Films
Exfoliated Graphene Leads to Exceptional Mechanical Properties of Polymer Composite Films Open
Polymers with superior mechanical properties are desirable in many applications. In this work, polyethylene (PE) films reinforced with exfoliated thermally reduced graphene oxide (TrGO) fabricated using a roll-to-roll hot-drawing process a…
View article: Facile Synthesis of a Pentiptycene-Based Highly Microporous Organic Polymer for Gas Storage and Water Treatment
Facile Synthesis of a Pentiptycene-Based Highly Microporous Organic Polymer for Gas Storage and Water Treatment Open
Rigid H-shaped pentiptycene units, with an intrinsic hierarchical structure, were employed to fabricate a highly microporous organic polymer sorbent via Friedel-Crafts reaction/polymerization. The obtained microporous polymer exhibits good…
View article: Dual-channel simultaneous spatial and temporal polarization phase-shifting interferometry
Dual-channel simultaneous spatial and temporal polarization phase-shifting interferometry Open
Without the limitations of fringe number and fringe shape, a dual-channel simultaneous spatial and temporal polarization (DC-SSTP) phase-shifting interferometry system is proposed to achieve rapid and accurate phase retrieval through only …
View article: Triptycene-containing poly(benzoxazole-co-imide) membranes with enhanced mechanical strength for high-performance gas separation
Triptycene-containing poly(benzoxazole-co-imide) membranes with enhanced mechanical strength for high-performance gas separation Open
View article: Preparation and gas separation performance of mixed-matrix membranes based on triptycene-containing polyimide and zeolite imidazole framework (ZIF-90)
Preparation and gas separation performance of mixed-matrix membranes based on triptycene-containing polyimide and zeolite imidazole framework (ZIF-90) Open
View article: PEO-rich semi-interpenetrating polymer network (s-IPN) membranes for CO2 separation
PEO-rich semi-interpenetrating polymer network (s-IPN) membranes for CO2 separation Open
View article: Studies of the synergistic effects of crosslink density and crosslink inhomogeneity on crosslinked PEO membranes for CO2-selective separations
Studies of the synergistic effects of crosslink density and crosslink inhomogeneity on crosslinked PEO membranes for CO2-selective separations Open
View article: Quantitative refractive index distribution of single cell by combining phase-shifting interferometry and AFM imaging
Quantitative refractive index distribution of single cell by combining phase-shifting interferometry and AFM imaging Open