Experimental particle's shapes reconstructions from their interferometric images using the Error-Reduction algorithm

Article Optics

Interferometric imaging for the tomography of rough particles in a flow: A case study

Marc Brunel et al.

Summary: In this study, the possibility of performing tomography of irregularly-shaped rough particles in a flow using multi-view interferometric imaging was investigated. By combining three perpendicular angles of views, a family of possible 3D-shapes was reconstructed from speckle patterns. The principle was tested and confirmed experimentally by analyzing a set of three interferometric images of programmable particles generated by a digital micromirror device.

OPTICS COMMUNICATIONS (2021)

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Article Optics

Characterization of particle size and shape by an IPI system through deep learning

Hongxia Zhang et al.

Summary: In this study, a convolutional neural network was proposed to predict sand projections from experimental defocused images based on the relationship between the distributions of particle emitting points and speckles. The results showed that the predicted particle projections were accurate with a small difference of less than 6% compared to the actual projections, demonstrating the feasibility and accuracy of the proposed method.

JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER (2021)

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Article Optics

Backward interferometric speckle imaging for evaluating size and morphology of irregular coal particles

Yingchun Wu et al.

Summary: The backward interferometric speckle imaging technique is validated for measuring the size and morphology of irregular particles, showing good agreement with digital inline holography results. Its configuration simplicity allows for versatile industrial applications.

OPTICS COMMUNICATIONS (2021)

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Article Optics