Microvec’s light field volumetric PIV (LF-PIV) system can resolve 3D velocity fields through MART based reconstruction and 3D cross correlation. It offers an interesting alternative and affordable substitute to a Tomographic PIV. It is based on only one compact camera, avoiding the complexity of Tomographic PIV system setup. It is capable of measuring full volumetric velocity fields and allows accurate measurement of 3D velocity fields for applications with limited optical access.
Principles of the DRT-MART reconstruction method (only the centre light ray of each portion was used for inverse ray tracing) to identify non-zero voxels and to reduce the calculation time and speed up the reconstruction.
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