Header and Body 2

Problem Addressed

Measuring and visualizing the flow of air and fluid has great importance in broad engineering applications. Multiple techniques have been proposed for this purpose, such as sound tomography, yet most either rely on complicated and expensive setups or are restricted to lab use. The Inventors' technique relies on intensity variations in the movement of refractive fluid elements, observed by one or more video cameras, that are consistent over small space-time volumes. These “refraction wiggles” are implemented by their algorithms to 1) measure the motion of refractive fluids in monocular videos, and 2) recover the 3D position of points on the fluid from stereo cameras in a localization process that is cheaper, more accessible, and applicable in natural settings.