Results 1 to 10 of about 1,358,544 (143)
High-Resolution Thermometric Scheimpflug LiDAR for Surface Morphology and Temperature Mapping [PDF]
MicromachinesCommon surface temperature measurement techniques, when applied to monitoring the temperature of surfaces with complex morphology, suffer from reduced spatial resolution, which compromises the measurement accuracy of the system.
Xuhui Huang +2 more
doaj +3 more sources
PLoS ONE, 2021 The study aimed to evaluate and compare anterior segment parameters between keratoconic eyes and eyes with high myopic astigmatism using Pentacam Scheimpflug tomography. This was a retrospective cross-sectional study that included sixty keratoconic eyes (
Ebenezer Zaabaar +5 more
doaj +2 more sources
Recent Advances in Aerosol and Trace Gas Monitoring by Employing the Scheimpflug Lidar Techniques [PDF]
EPJ Web of Conferences, 2020 Lidar techniques, based on the time-of-flight principle, have been widely employed in atmospheric remote sensing since decades. The Scheimpflug lidar (SLidar) technique, which employing robust high-power laser diodes as light sources and highly ...
Mei Liang +5 more
doaj +2 more sources
Clinical Ophthalmology, 2021 Pedro Manuel Baptista,1,2 Renato Ambrosio Jnr,3– 7 Luis Oliveira,1 Pedro Meneres,1,2 Joao Melo Beirao1,2 1Ophthalmology Department, Centro Hospitalar Universitário do Porto, Porto, Portugal; 2Instituto de Ciências Biomédicas ...
Baptista PM +4 more
doaj +2 more sources
Remote Sensing, 2019 A portable unmanned Mie-scattering Scheimpflug lidar system has been designed and implemented for atmospheric remote sensing. The Scheimpflug lidar system employs a continuous-wave high-power 808 nm laser diode as the light source and the emitted laser ...
Zhi Liu, Limei Li, Hui Li, Liang Mei
doaj +2 more sources
Improved Sensors Based on
IEEE Access, 2020 Binocular vision sensor composed of two traditional camerasis widely utilized in many fields. However, there are still twodeficiencies, i.e. limited measurement area and weakconstraint for feature matching.
Mingwei Shao, Pan Wang, Jianhua Wang
doaj +2 more sources
Evaluation of corneal densitometry using Pentacam in patients with type 2 diabetes mellitus: a controlled cross-sectional study [PDF]
BMC OphthalmologyPurpose This study aims to analyze corneal densitometry (CD) values in individuals diagnosed with Type 2 Diabetes Mellitus (DM) using the Pentacam Scheimpflug imaging system and to compare the obtained data with those from a control group consisting of ...
Çiğdem Coşkun +2 more
doaj +2 more sources
Corneal Biomechanical Changes Induced by Chronic Elevated Intraocular Pressure: Implications for Glaucoma Pathogenesis and Management. [PDF]
J OphthalmolThe significance and contributions of corneal biomechanics in the study of chronic elevated intraocular pressure are multifaceted. Not only does it enhance our understanding of how chronic elevated intraocular pressure affects corneal structure and function, but it also offers new perspectives for the early diagnosis of glaucoma. Analysis of the cornea’
Xie M, Huang Z, Ma K, Deng Y, Tang J.
europepmc +2 more sources
Detection of Atmospheric NO2 Using Scheimpflug DIAL with a Blue External Cavity Diode Laser Source
AtmosphereNitrogen dioxide (NO2) is broadly acknowledged as one of the six key air pollutants, posing a significant threat to environmental stability and human health.
Cheng Yao +9 more
doaj +2 more sources
Atmospheric aerosol measurements by employing a polarization scheimpflug lidar system
EPJ Web of Conferences, 2018 A polarization Scheimpflug lidar system based on the Scheimpflug principle has been developed by employing a compact 808-nm multimode highpower laser diode and two highly integrated CMOS sensors in Dalian University of Technology (DLUT), Dalian, China ...
Mei Liang, Guan Peng, Yang Yang
doaj +2 more sources