Particle velocimetry is a non-intrusive optical measurement method whereby global velocity
fields can be obtained in either two-or three-dimensions through time by inferring fluid …

Plenoptic PIV offers a simple, single camera solution for volumetric velocity measurements
of fluid flow. However, due to the novel manner in which the particle images are acquired …

Tomographic reconstruction of three-dimensional (3D) flow field is critical to achieve an
accurate measurement of the complex flow field in tomographic particle image velocimetry …

A plenoptic cameras is a sensor that records the 4D light-field distribution of target scenes.
The surface errors of a microlens array (MLA) can cause the degradation and distortion of …

The recent development of a volumetric PIV system utilizing the unique light-field capturing
capabilities of a plenoptic camera is described. The fundamental concept of a plenoptic …

Light-field cameras in conjunction with computational refocusing can be used to produce
volumetric estimates of an imaged scene. However, these estimates are often dominated by …

Particle tracking velocimetry (PTV) and particle image velocimetry (PIV) are methodologies
that allow for volumetric velocity measurements within a fluid flow by imaging the motion of …

The projection of an externally-mounted microlens array (MLA) onto a sensor via relay
lenses is oft adopted by the scientific community in lieu of traditional plenoptic cameras with …

The viability of a first generation plenoptic PIV system is assessed through comparison with
stereo PIV measurements of a wing tip vortex produced by a flat plate at an 8 degree angle …

The commercial release of the Lytro camera, and greater availability of plenoptic imaging
systems in general, have given the image processing community cost-effective tools for light …