Positioning Accuracy in Holographic Optical Traps [PDF]
Micromachines, 2021 Spatial light modulators (SLMs) have been widely used to achieve dynamic control of optical traps. Often, holographic optical tweezers have been presumed to provide nanometer or sub-nanometer positioning accuracy.
Frederic Català-Castro +1 more
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Application of LSTM Network to Improve Indoor Positioning Accuracy [PDF]
Sensors, 2020 Various indoor positioning methods have been developed to solve the “last mile on Earth”. Ultra-wideband positioning technology stands out among all indoor positioning methods due to its unique communication mechanism and has a broad application prospect.
Dongqi Gao +3 more
doaj +3 more sources
Automatic measurement of beam-positioning accuracy at off-isocenter positions. [PDF]
J Appl Clin Med Phys, 2023 AbstractPurposeThis study performed an automatic measurement of the off‐axis beam‐positioning accuracy at a single isocenter via the TrueBeam Developer mode and evaluated the beam‐positioning accuracy considering the effect of couch rotational errors.MethodsTrueBeam STx and the Winston–Lutz test‐dedicated phantom, with a 3 mm diameter steel ball, were ...
Ono T +5 more
europepmc +3 more sources
RDTS-Based Two-Dimensional Temperature Monitoring with High Positioning Accuracy Using Grid Distribution [PDF]
Sensors, 2019 A novel two-dimensional (2D) positioning method based on Raman distributed temperature sensing (RDTS) has been reported to dramatically improve positioning accuracy. Using a well-designed 2D distribution of optical fiber and corresponding algorithms, the
Can Zhang, ZhongXie Jin
doaj +2 more sources
Evaluation of Positioning Accuracy Using Smartphone RGB and LiDAR Sensors with the viDoc RTK Rover. [PDF]
Sensors (Basel)Zollini S, Marconi L.
europepmc +3 more sources
Evaluation of positioning accuracy in head-and-neck cancer treatment: A cone beam computed tomography assessment of three immobilization devices with volumetric modulated arc therapy. [PDF]
J Biol MethodsMail N +10 more
europepmc +3 more sources
Improving Visible Light Positioning Accuracy Using Particle Swarm Optimization (PSO) for Deep Learning Hyperparameter Updating in Received Signal Strength (RSS)-Based Convolutional Neural Network (CNN). [PDF]
Sensors (Basel)Chang CM, Lin YZ, Chow CW.
europepmc +3 more sources
IMPLEMENTATION AND IMPROVEMENT OF INDOOR WEARABLE UWB/INS INTEGRATION POSITIONING METHOD [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022 Aiming at the problem that the Ultra-Wide-Band (UWB) positioning accuracy is reduced in the Non-Line-of-Sight (NLOS) environment, a UWB positioning accuracy evaluation mechanism is introduced.
Z. Liao, Z. Zheng, Y. Li, Y. Li
doaj +1 more source
Performance improvement of 5G positioning utilizing multi-antenna angle measurements
Satellite Navigation, 2022 Time delay-based the 5th Generation Mobile Communication Technology (5G) positioning is a main method to perform high-precision positioning in Global Navigation Satellite System (GNSS) denied areas.
Wenfei Guo +4 more
doaj +1 more source