Results 131 to 140 of about 238,893 (183)
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European Conference on Computer Vision, 2000
We introduce a 3D tracing method based on differential geometry in Gaussian blurred images. The line point detection part of the tracing method starts with calculation of the line direction from the eigenvectors of the Hessian matrix. The sub-voxel center line position is estimated from a second order Taylor approximation of the 2D intensity profile ...
Streekstra, G.J. +2 more
openaire +3 more sources
We introduce a 3D tracing method based on differential geometry in Gaussian blurred images. The line point detection part of the tracing method starts with calculation of the line direction from the eigenvectors of the Hessian matrix. The sub-voxel center line position is estimated from a second order Taylor approximation of the 2D intensity profile ...
Streekstra, G.J. +2 more
openaire +3 more sources
IEEE Robotics and Automation Letters, 2022
Fish can perceive the surrounding flow field using their lateral line systems, consisting of canal neuromasts (CNs) for flow pressure gradient perception and superficial neuromasts (SNs) for flow velocity detection.
Zhen Yang +7 more
semanticscholar +1 more source
Fish can perceive the surrounding flow field using their lateral line systems, consisting of canal neuromasts (CNs) for flow pressure gradient perception and superficial neuromasts (SNs) for flow velocity detection.
Zhen Yang +7 more
semanticscholar +1 more source
IEEE Journal of Quantum Electronics, 2021
Considering the wide acceptability and practicability of single-scatter path loss (PL) model of non-line-of-sight (NLOS) ultraviolet communications (UVC) in noncoplanar geometry and the corresponding complexity of the triple integrals in the exact single-
Tian Cao, Jian Song, Changyong Pan
semanticscholar +1 more source
Considering the wide acceptability and practicability of single-scatter path loss (PL) model of non-line-of-sight (NLOS) ultraviolet communications (UVC) in noncoplanar geometry and the corresponding complexity of the triple integrals in the exact single-
Tian Cao, Jian Song, Changyong Pan
semanticscholar +1 more source
Measurement science and technology, 2021
To provide a system with high-density solder joint 3D information acquisition and improve the comprehensive performance of automatic optical inspection systems, a novel diagnosis system for solder joints of high-density flexible integrated circuit ...
Yong Zeng, Yueming Hu, Dan Huang
semanticscholar +1 more source
To provide a system with high-density solder joint 3D information acquisition and improve the comprehensive performance of automatic optical inspection systems, a novel diagnosis system for solder joints of high-density flexible integrated circuit ...
Yong Zeng, Yueming Hu, Dan Huang
semanticscholar +1 more source
Causal Transmission Line Geometry Optimization for Impedance Control in PCBs
2020 IEEE 29th Conference on Electrical Performance of Electronic Packaging and Systems (EPEPS), 2020PCB transmission lines are designed with broadband impedance matching using differential evolution while including causal dispersion and roughness. Results for striplines show that an optimized geometry can be found with differential evolution.
Zachariah M. Peterson
semanticscholar +1 more source
Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit, 2020
Based on the track geometry car recordings performed from 1999 to 2016 on a section of the Swedish heavy haul line Malmbanan, the vertical track geometry degradation is analysed for wavelengths in the interval 1–25 m.
J. Nielsen +4 more
semanticscholar +1 more source
Based on the track geometry car recordings performed from 1999 to 2016 on a section of the Swedish heavy haul line Malmbanan, the vertical track geometry degradation is analysed for wavelengths in the interval 1–25 m.
J. Nielsen +4 more
semanticscholar +1 more source
On the Stretching of Line Elements in Fluids: an Approach from Differential Geometry
1994T. Kambe, Y. Hattori, V. Zeitlin
openaire +2 more sources
Differential Framework for Submeter-Accurate Vehicular Navigation With Cellular Signals
IEEE Transactions on Intelligent Vehicles, 2023A framework that could achieve submeter-level-accurate horizontal navigation with carrier phase differential measurements from cellular signals is developed. This framework, termed CD-cellular, is composed of a base and a rover in a cellular environment,
Joe J. Khalife, Zaher M. Kassas
semanticscholar +1 more source
Surfaces of constant principal-curvatures ratio in isotropic geometry
Beiträge zur Algebra und Geometrie / Contributions to Algebra and Geometry, 2023We study surfaces with a constant ratio of principal curvatures in Euclidean and simply isotropic geometries and characterize rotational, channel, ruled, helical, and translational surfaces of this kind under some technical restrictions (the latter two ...
Khusrav Yorov, M. Skopenkov, H. Pottmann
semanticscholar +1 more source