Probe microrheology without particle tracking by differential dynamic microscopy
Sign Up to like & getrecommendations! Published in 2017 at "Rheologica Acta"
DOI: 10.1007/s00397-017-1047-7
Abstract: We present a new method for performing passive probe microrheology. Using a simple theoretical framework, we show how probes’ mean-squared displacements can be extracted by analyzing intensity fluctuations in optical microscopy videos via differential dynamic… read more here.
Keywords: dynamic microscopy; microscopy; differential dynamic; microrheology ... See more keywords
Probing the dynamics of turbid colloidal suspensions using differential dynamic microscopy
Sign Up to like & getrecommendations! Published in 2022 at "Soft Matter"
DOI: 10.1039/d1sm01598b
Abstract: Few techniques can reliably measure the dynamics of colloidal suspensions or other soft materials over a wide range of turbidities. Here we systematically investigate the capability of Differential Dynamic Microscopy (DDM) to characterise particle dynamics… read more here.
Keywords: dynamics turbid; differential dynamic; microscopy; colloidal suspensions ... See more keywords
Convolutional neural networks applied to differential dynamic microscopy reduces noise when quantifying heterogeneous dynamics.
Sign Up to like & getrecommendations! Published in 2024 at "Soft matter"
DOI: 10.1039/d4sm00881b
Abstract: Differential dynamic microscopy (DDM) typically relies on movies containing hundreds or thousands of frames to accurately quantify motion in soft matter systems. Using movies much shorter in duration produces noisier and less accurate results. This… read more here.
Keywords: convolutional neural; dynamic microscopy; differential dynamic; neural networks ... See more keywords
Comparison of nanoparticle diffusion using fluorescence correlation spectroscopy and differential dynamic microscopy within concentrated polymer solutions
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.5016062
Abstract: We studied the diffusion of nanoparticles (NPs) within aqueous entangled solutions of polyethylene oxide (PEO) by using two different optical techniques. Fluorescence correlation spectroscopy, a method widely used to investigate nanoparticle dynamics in polymer solution,… read more here.
Keywords: diffusion; microscopy; correlation spectroscopy; differential dynamic ... See more keywords
In-flow measurement of molecular diffusion coefficients using differential dynamic microscopy.
Sign Up to like & getrecommendations! Published in 2025 at "Physical review. E"
DOI: 10.1103/physreve.111.055416
Abstract: Understanding diffusive mass transport in fluid flows is fundamental in several fields, ranging from virus particles in chromatographic test kits to nutrients in ocean currents. However, experimentally resolving diffusion processes in flowing fluids is challenging… read more here.
Keywords: diffusion coefficients; dynamic microscopy; molecular diffusion; differential dynamic ... See more keywords
Discrete-Time Differential Dynamic Programming on SO(3) With Pose Constraints
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3217239
Abstract: The motion of many robotics systems, such as the rotation of unmanned aerial vehicles, can be modeled by SO(3). However, the difficulties in the parameterization of the SO(3) makes it hard to implement the state-of-the-art… read more here.
Keywords: dynamic programming; discrete time; differential dynamic; time differential ... See more keywords
Uncertainty-Constrained Differential Dynamic Programming in Belief Space for Vision Based Robots
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Robotics and Automation Letters"
DOI: 10.1109/lra.2021.3062338
Abstract: Most mobile robots follow a modular sense-plan-act system architecture that can lead to poor performance or even catastrophic failure for visual inertial navigation systems due to trajectories devoid of feature matches. Planning in belief space… read more here.
Keywords: differential dynamic; uncertainty; belief space; dynamic programming ... See more keywords
Regularized Hierarchical Differential Dynamic Programming
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Robotics"
DOI: 10.1109/tro.2017.2671355
Abstract: This paper presents a new algorithm for optimal control (OC) of nonlinear dynamical systems. The main feature of this algorithm is that it allows the specification of the control objectives as a hierarchy of tasks,… read more here.
Keywords: task; differential dynamic; control; regularized hierarchical ... See more keywords
Speckle pattern analysis using differential dynamic matrix.
Sign Up to like & getrecommendations! Published in 2025 at "Optics letters"
DOI: 10.1364/ol.564582
Abstract: Dynamic laser speckle analysis (LSA) is a sensitive, noninvasive, and remote technique that has been applied to study different phases of matter in various phenomena in life science and industry. On the other hand, differential… read more here.
Keywords: pattern analysis; using differential; analysis; analysis using ... See more keywords
An Adaptive Projection Differential Dynamic Programming Method for Control Constrained Trajectory Optimization
Sign Up to like & getrecommendations! Published in 2025 at "Mathematics"
DOI: 10.3390/math13162637
Abstract: To address the issue of missing constraints on control variables in the trajectory optimization problem of the differential dynamic programming (DDP) method, the adaptive projection differential dynamic programming (AP-DDP) method is proposed. The core of… read more here.
Keywords: method; dynamic programming; ddp; differential dynamic ... See more keywords