Results 41 to 50 of about 1,868 (173)

Pseudo Quad-Pol Simulation From Compact Polarimetric SAR Data via a Complex-Valued Dual-Branch Convolutional Neural Network

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
Compact polarimetry (CP) has attracted much attention in recent years due to its hybrid dual-polarization imaging mode. CP synthetic aperture radar has a larger swath and can provide more polarimetric information compared with the traditional dual ...
Fan Zhang, Zhuoyue Cao, Deliang Xiang, Canbin Hu, Fei Ma, Qiang Yin, Yongsheng Zhou   +6 more
doaj   +1 more source

Wave Tracing: Generalizing The Path Integral To Wave Optics

Computer Graphics Forum, EarlyView.
Abstract Modeling the wave nature of light and the propagation and diffraction of electromagnetic fields is crucial for the accurate simulation of many phenomena, yet wave simulations are significantly more computationally complex than classical ray‐based models.
Shlomi Steinberg, Matt Pharr
wiley   +1 more source

Optimization of the contrast in polarimetric scalar images [PDF]

Optics Letters, 2009
We consider active polarimetric imaging systems that illuminate a scene with an incident polarization state and project the backscattered light on another polarization state in order to produce a scalar intensity image. We present and analyze a method for determining the configuration of illumination and analysis polarization states that maximizes the ...
Goudail, François, Bénière, Arnaud
openaire   +3 more sources

Hyperspectral tomographic diffractive microscopy: Development and applications

Journal of Microscopy, EarlyView.
Abstract Tomographic Diffractive Microscopy (TDM) provides label‐free three‐dimensional imaging of transparent samples with resolution surpassing confocal limits. At IRIMAS, successive instrumental developments since 2009 have enhanced TDM capabilities through transmission, reflection, isotropic, polarisation‐sensitive, and dual‐view configurations ...
Leonardo Pestana Legori, Carlos Alberto Chacón Ávila, Matthieu Debailleul, Nicolas Verrier, Olivier Haeberlé   +4 more
wiley   +1 more source

Group Sparse Basis Pursuit Denoising Reconstruction Algorithm for Polarimetric Through-the-Wall Radar Imaging

International Journal of Antennas and Propagation, 2018
Polarimetric through-the-wall radar imaging (TWRI) system has the enhancing performance in the detection, imaging, and classification of concealed targets behind the wall.
Lele Qu, Shimiao An, Tianhong Yang, Yanpeng Sun   +3 more
doaj   +1 more source

Decoding THz‐Driven Dynamic Fingerprints of Ferroelectric Nanotwin Networks

Advanced Materials, Volume 38, Issue 32, 8 June 2026.
ABSTRACT Ultrafast polarization dynamics in ferroelectrics are of considerable interest for high‐speed tunable dielectrics and electro‐optics. Extended domain wall networks formed in ferroelectric twin nanodomains can support collective dynamics in the terahertz regime but require techniques that track polarization and strain evolution driven by ...
Xiaojiang Li, Aiden Ross, Vladimir A. Stoica, Sujit Das, Sankalpa Hazra, Huaiyu (Hugo) Wang, Hari Padma, Matthias C. Hoffmann, Patrick Kramer, Sanghoon Song, Silke Nelson, Takahiro Sato, Diling Zhu, Ramamoorthy Ramesh, Lane W. Martin, Yue Cao, John W. Freeland, Aaron M. Lindenberg, Haidan Wen, Long‐Qing Chen, Venkatraman Gopalan   +20 more
wiley   +1 more source

On the Detection of Low‐Frequency Planetary Radio Emission With an Orbiting Interferometer

Radio Science, Volume 61, Issue 6, June 2026.
Abstract The magnetized planets of the outer Solar System produce kilometric radio emissions at very low frequencies (<1 ${< } 1\,$MHz). They reveal the planetary magnetic dynamics and their interaction with the solar wind. Those radio emissions can also serve as a proxy for interplanetary space weather monitoring.
E. Rouillé, B. Cecconi, B. Segret, J. N. Girard, A. Loh   +4 more
wiley   +1 more source

Cloud Thermodynamic Phase Retrievals From Simultaneous Shortwave Infrared Multi‐Angle Polarization Measurements

Geophysical Research Letters, Volume 53, Issue 10, 28 May 2026.
Abstract Accurate identification of cloud thermodynamic phases ‐warm water, supercooled water and ice—is essential for the global energy budget and hydrological cycle, and serves as a crucial prerequisite for retrieving cloud optical and microphysical parameters.
Haofei Wang, Xiaofeng Tan, Kentaroh Suzuki, Peng Zhang   +3 more
wiley   +1 more source

Quantum-enhanced imaging for characterizing anisotropic material

npj Quantum Information
Polarimetric imaging, a technique that captures the invisible polarization-related properties of given materials, has broad applications from fundamental physics to advanced fields such as target recognition, stress detection, biomedical diagnosis and ...
Meng-Yu Xie, Su-Jian Niu, Zhao-Qi-Zhi Han, Yin-Hai Li, Ren-Hui Chen, Xiao-Hua Wang, Ming-Yuan Gao, Li Chen, Yue-Wei Song, Zhi-Yuan Zhou, Bao-Sen Shi   +10 more
doaj   +1 more source

Generalized Polarimetric Dehazing Method Based on Low-Pass Filtering in Frequency Domain

Sensors, 2020
Polarimetric dehazing methods can significantly enhance the quality of hazy images. However, current methods are not robust enough under different imaging conditions.
Jian Liang, Haijuan Ju, Liyong Ren, Liming Yang, Rongguang Liang   +4 more
doaj   +1 more source