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Communication Dans Un Congrès Année : 2019

Spherical Fluorescent Particle Segmentation and Tracking in 3D Confocal Microscopy

Résumé

Spherical fluorescent particle are micrometer-scale spherical beads used in various areas of physics, chemistry or biology as markers associated with local physical media. They are useful for example in fluid dynamics to characterize flows, diffusion coefficients, viscosity or temperature ; they are used in cells dynamics to estimate mechanical strain and stress at the micrometer scale. In order to estimate these physical measurements , tracking these particles is necessary. Numerous approaches and existing packages, both open-source and proprietary are available to achieve tracking with a high degree of precision in 2D. However, little such software is available to achieve tracking in 3D. One major difficulty is that 3D confocal microscopy acquisition is not typically fast enough to assume that the beads are stationary during the whole 3D scan. As a result, beads may move between planar scans. Classical approaches to 3D segmentation may yield objects are not spherical. In this article, we propose a 3D bead segmentation that deals with this situation.
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Dates et versions

hal-02426948 , version 1 (05-01-2020)

Identifiants

Citer

Élodie Puybareau, Edwin Carlinet, Alessandro Benfenati, Hugues Talbot. Spherical Fluorescent Particle Segmentation and Tracking in 3D Confocal Microscopy. ISMM 2019 - 14th International Symposium on Mathematical Morphology, Bernhard Burgeth; Andreas Kleefeld; Benoît Naegel; Nicolas Passat; Benjamin Perret, Jul 2019, Saarbrücken, Germany. pp.520-531, ⟨10.1007/978-3-030-20867-7_40⟩. ⟨hal-02426948⟩
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