Development of light-field motion tracking technology for use in laboratory studies of planet formation

Daly, Ellen C.; Murray, Neil J.; Evagora, Anthony M.; Fraser, Helen J. and Carlsohn, Matthias F. (2023). Development of light-field motion tracking technology for use in laboratory studies of planet formation. In: Proceedings SPIE 12571. Real-time Processing of Image, Depth and Video Information 2023, SPIE, article no. 1257108.

DOI: https://doi.org/10.1117/12.2664938

Abstract

Modelling of planet formation requires empirical data on the collisions involved in the earliest stages of the process. Laboratory-based studies are required to gain this data by colliding dusty, icy particles in conditions analogous to those found in protoplanetary disks. Having technology to capture experimental footage and extract the three-dimensional motions of ensembles of particles is crucial to generating accurate collisional data within a practical timeframe. The cost of microgravity-based experiments drives a need to minimize the form-factor of such an imaging system leading this work to use light-field techniques to provide the depth element of tracking from a single camera. This work focused on the development of software to be used to perform light-field based, three-dimensional tracking and its application to real-time analysis of mm-scale particle collisions.

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