Results 31 to 40 of about 7,625,131 (294)

Polarization Aberrations in High-Numerical-Aperture Lens Systems and Their Effects on Vectorial-Information Sensing

open access: yesRemote Sensing, 2022
The importance of polarization aberrations has been recognized and studied in numerous optical systems and related applications. It is known that polarization aberrations are particularly crucial in certain photogrammetry and microscopy techniques that ...
Yuanxing Shen   +7 more
doaj   +1 more source

A Smartphone-Based Biosensor for Non-Invasive Monitoring of Total Hemoglobin Concentration in Humans with High Accuracy

open access: yesBiosensors, 2022
In this paper, we propose a smartphone-based biosensor for detecting human total hemoglobin concentration in vivo with high accuracy. Compared to the existing biosensors used to measure hemoglobin concentration, the smartphone-based sensor utilizes the ...
Zhipeng Fan   +4 more
doaj   +1 more source

A Polarization-Imaging-Based Machine Learning Framework for Quantitative Pathological Diagnosis of Cervical Precancerous Lesions

open access: yesIEEE Transactions on Medical Imaging, 2021
Polarization images encode high resolution microstructural information even at low resolution. We propose a framework combining polarization imaging and traditional microscopy imaging, constructing a dual-modality machine learning framework that is not ...
Yang Dong   +8 more
semanticscholar   +1 more source

Analyzing the Influence of Imaging Resolution on Polarization Properties of Scattering Media Obtained From Mueller Matrix

open access: yesFrontiers in Chemistry, 2022
The Mueller matrix contains abundant micro- and even nanostructural information of media. Especially, it can be used as a powerful tool to characterize anisotropic structures quantitatively, such as the particle size, density, and orientation information
Conghui Shao   +16 more
doaj   +1 more source

Polarimetry feature parameter deriving from Mueller matrix imaging and auto-diagnostic significance to distinguish HSIL and CSCC

open access: yesJournal of Innovative Optical Health Sciences, 2022
High-grade squamous intraepithelial lesion (HSIL) is regarded as a serious precancerous state of cervix, and it is easy to progress into cervical invasive carcinoma which highlights the importance of earlier diagnosis and treatment of cervical lesions ...
Anli Hou   +7 more
doaj   +1 more source

A quantitative technique to analyze and evaluate microstructures of skin hair follicles based on mueller matrix polarimetry

open access: yesFrontiers in Physics, 2022
In this study, we propose a quantitative technique to analyze and evaluate microstructures of skin hair follicles based on Mueller Matrix transmission microscopy.
Yixuan Shi   +18 more
doaj   +1 more source

Research on Fuzzy Adaptive Fusion Algorithm for Ultraviolet Polarization Image of Latent Fingerprint [PDF]

open access: yesJisuanji gongcheng, 2020
The ultraviolet polarization image of latent fingerprint is fused of ultraviolet intensity image and polarization parameter image,which can realize accurate detection and recognition of latent fingerprint.However,it is impossible to select the optimal ...
JIA Rong, WANG Feng, YUAN Hongwu, TUO Haonan, JIANG Zhaozhen, WU Yunzhi
doaj   +1 more source

Underwater Polarization Imaging Recovery Based on Polarimetric Residual Dense Network

open access: yesIEEE Photonics Journal, 2022
Application of deep-learning to polarization imaging technology for image restoration has led to many technological breakthroughs, especially in underwater image recovery and recognition.
Yanfa Xiang   +6 more
semanticscholar   +1 more source

Underwater polarization imaging for visibility enhancement of moving targets in turbid environments.

open access: yesOptics Express, 2022
Polarization imaging techniques have more prominent advantages for imaging in strongly scattered media. Previous de-scattering methods of polarization imaging usually require the priori information of the background region, and rarely consider the effect
Tao Yu   +4 more
semanticscholar   +1 more source

Active non-uniform illumination-based underwater polarization imaging method for objects with complex polarization properties.

open access: yesOptics Express, 2022
Active polarization imaging is one of the most effective underwater optical imaging methods that can eliminate the degradation of image contrast and clarity caused by macro-molecule scattering.
Jiajie Wang   +5 more
semanticscholar   +1 more source

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