Results 31 to 40 of about 376,222 (244)

Four-dimensional multi-particle tracking in living cells based on lifetime imaging

open access: yesNanophotonics, 2022
Research on dynamic events in living cells, such as intracellular transportation, is important for understanding cell functions. As movements occur within cells, the microenvironment of the moving vesicles or biomacromolecules may affect the behavior of ...
Chen Danni, Li Heng, Yu Bin, Qu Junle
doaj   +1 more source

Propagation of numerical noise in particle-in-cell tracking

open access: yes, 2015
Particle-in-cell (PIC) is the most used algorithm to perform self-consistent tracking of intense charged particle beams. It is based on depositing macro-particles on a grid, and subsequently solving on it the Poisson equation.
Franchetti, Giuliano, Kesting, Frederik
core   +2 more sources

Human Head Tracking Based on Particle Swarm Optimization and Genetic Algorithm [PDF]

open access: yes, 2007
This paper compares particle swarm optimization and a genetic algorithm for perception by a partner robot. The robot requires visual perception to interact with human beings.
Kubota, Naoyuki, Sulistijono, Indra Adji
core   +1 more source

Trajectory data of antero- and retrograde movement of mitochondria in living zebrafish larvae

open access: yesData in Brief, 2020
Recently, a large number of single particle tracking (SPT) approaches have been developed. Generally, SPT techniques can be split into two groups: ex post facto approaches where trajectory extraction is carried out after data acquisition and feedback ...
Frank Mieskes   +5 more
doaj   +1 more source

A novel particle tracking method with individual particle size measurement and its application to ordering in glassy hard sphere colloids

open access: yes, 2013
Particle tracking is a key to single-particle-level confocal microscopy observation of colloidal suspensions, emulsions, and granular matter. The conventional tracking method has not been able to provide accurate information on the size of individual ...
Leocmach, Mathieu, Tanaka, Hajime
core   +3 more sources

Subdiffusive behavior in a trapping potential: mean square displacement and velocity autocorrelation function [PDF]

open access: yes, 2009
A theoretical framework for analyzing stochastic data from single-particle tracking in complex or viscoelastic materials and under the influence of a trapping potential is presented.
Despósito, M. A., Viñales, A. D.
core   +2 more sources

Multi-Feature Single Target Robust Tracking Fused with Particle Filter

open access: yesSensors, 2022
Aiming at the problems of target model drift or loss of target tracking caused by serious deformation, occlusion, fast motion, and out of view of the target in long-term moving target tracking in complex scenes, this paper presents a robust multi-feature
Caihong Liu   +2 more
doaj   +1 more source

An Adaptive Particle Swarm Optimization for Underwater Target Tracking in Forward Looking Sonar Image Sequences

open access: yesIEEE Access, 2018
In order to obtain accurate underwater target tracking results in forward-looking sonar image sequences, an adaptive particle swarm optimization (APSO) algorithm is proposed to track the underwater target.
Xingmei Wang, Guoqiang Wang, Yanxia Wu
doaj   +1 more source

Research on Particle Filter Video Tracking Algorithms

open access: yesJournal of Harbin University of Science and Technology, 2020
Aiming at the problem of insufficient robustness of moving target tracking in complex scenes, a particle filter target tracking algorithm based on CNN feature extraction is proposed CNN selflearning mechanism is used to extract highlevel semantic ...
YU Shuchun, TONG Xiaoyu
doaj   +1 more source

Refining particle positions using circular symmetry. [PDF]

open access: yesPLoS ONE, 2017
Particle and object tracking is gaining attention in industrial applications and is commonly applied in: colloidal, biophysical, ecological, and micro-fluidic research.
Alvaro Rodriguez   +6 more
doaj   +1 more source

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