Results 41 to 50 of about 1,856,691 (216)

Brain tissue polarimetry under simulated intraoperative conditions: Effects of edema and temperature

Journal of Innovative Optical Health Sciences
In neurosurgical oncology, maximizing tumor resection while preserving neurological function remains a critical challenge, particularly in glioma surgery where tumor borders are difficult to distinguish intraoperatively.
Éléa Gros, Ardit Sakiri, Stefano Moriconi, Arnas Jankauskas, David Hasler, Théotim Lucas, Richard McKinley, Theoni Maragkou, Tatiana Novikova, Philippe Schucht, Omar Rodríguez-Núñez   +10 more
doaj   +1 more source

In vivo imaging of uterine cervix with a Mueller polarimetric colposcope

Scientific Reports, 2017
Mueller polarimetric imaging enables the detection and quantification of modifications of the collagen fibers in the uterine cervix due to the development of a precancerous lesion.
Jérémy Vizet, Jean Rehbinder, Stanislas Deby, Stéphane Roussel, André Nazac, Ranya Soufan, Catherine Genestie, Christine Haie-Meder, Hervé Fernandez, François Moreau, Angelo Pierangelo   +10 more
doaj   +1 more source

A Method of Removing Reflected Highlight on Images Based on Polarimetric Imaging [PDF]

, 2016
A method of removing reflected highlight is proposed on polarimetric imaging. Polarization images (0 degrees, 45 degrees, 90 degrees, and 135 degrees) and the reflection angle are required in this reflected light removal algorithm.
Hu, Bingliang, Wei, Ruyi, Tang, Xingjia, Li, Yong, Kong, Liang, Yang, Fanchao   +5 more
core   +1 more source

On the Effects of the Incidence Angle on the L-Band Multi-Polarisation Scattering of a Small Ship

Remote Sensing, 2022
The monitoring of ships is of paramount importance for ocean and coastal area surveillance. The synthetic aperture radar is shown to be a key sensor to provide effective and continuous observation of ships due to its unique imaging capabilities.
Muhammad Adil, Andrea Buono, Ferdinando Nunziata, Emanuele Ferrentino, Domenico Velotto, Maurizio Migliaccio   +5 more
doaj   +1 more source

Sub-Canopy Topography Estimation: Experiments With Multibaseline SAR Data at L-Band [PDF]

, 2012
Synthetic aperture radar (SAR) systems in L-band and P-band are characterized by deep penetration capabilities into volumes, enabling new opportunities for the radar remote sensing of forests. In the last years, the interest has been continuously growing
Pardini, Matteo, M. Pardini, Papathanassiou, Konstantinos, K. Papathanassiou   +3 more
core   +1 more source

Efficient Cholesteric Liquid Crystal Waveguide Polarizing Splitters for High‐Sensitivity Chip‐Scale Atomic Magnetometry

Advanced Science, EarlyView.
An integrated polarimetry architecture based on a cholesteric liquid crystal waveguide polarization splitter overcomes the volumetric bottleneck in chip‐scale atomic magnetometers. By leveraging Bragg‐selective reflection and total‐internal‐reflection‐induced helicity inversion, this ultrathin device enables efficient circular polarization splitting ...
Zhibo Cui, Chuang Wang, Xiangyang Zhou, Gaopu Hou, Jinsheng Hu, Mao Ye, Xu Xiao, Zhen Chai, Yishi Weng, Yuning Zhang   +9 more
wiley   +1 more source

Dynamic Metasurface Antenna for Computational Polarimetric Imaging [PDF]

, 2022
A dynamically reconfigurable wave-chaotic metasurface antenna is presented to perform computational polarimetric microwave imaging at microwave frequencies.
Hoang, The Viet, Fusco, Vincent; id_orcid, Fromenteze, Thomas, Yurduseven, Okan; id_orcid, Yurduseven, Okan, Fusco, Vincent, Thomas Fromenteze, Okan Yurduseven, The Viet Hoang, Vincent Fusco   +9 more
core   +1 more source

POLARIMETRIC CALIBRATION AND ASSESSMENT OF GF-3 IMAGES IN STEPPE [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
The GaoFen-3 (GF-3) satellite is the first fully polarimetric synthetic aperture radar (PolSAR) satellite in China. It has three fully polarimetric imaging modes and is available for many applications.
Y. Chang, J. Yang, P. Li, L. Shi, L. Zhao, L. Zhao   +5 more
doaj   +1 more source

Polarization Holographic 4D Phenotyping Reveals Nanoplastic Induced Dysfunction in Zooplankton

Advanced Science, EarlyView.
Contaminant‐induced dysfunction in complex aquatic organisms remains difficult to resolve across scales. Polarization Holographic Imaging Microscopy (PHIM) integrates polarization‐sensitive holography with computational volumetric reconstruction for label‐free phenotyping of zooplankton in natural seawater, revealing that nanoplastic stress drives ...
Yuxing Li, Yanmin Zhu, Jingyan Chen, Rongzhou Chen, Yuen‐Wa Ho, Chutian Wang, James Kar‐Hei Fang, Kevin K. Tsia, Edmund Y. Lam   +8 more
wiley   +1 more source

Metasurface‐Based Multidimensional Light‐Field Manipulation: From Technologies to Applications

Advanced Science, EarlyView.
Multidimensional metasurfaces enable versatile manipulation of multiple optical degrees of freedom, including phase, amplitude, polarization, wavelength, and orbital angular momentum. This review summarizes their fundamental mechanisms, emerging strategies for multidimensional light‐field control, and key applications in optical computing, imaging ...
Heliang Yin, Shuo Sun, Jiahao Zhang, Jianuo Hu, Yubin Qiao, Liang Chen, Jin Li   +6 more
wiley   +1 more source