Snapshot Space–Time Holographic 3D Particle Tracking Velocimetry

Digital inline holography is an amazingly simple and effective approach for 3D imaging, to which particle tracking velocimetry of particular interest. Conventional digital holographic techniques are computationally separated in flow reconstruction, plus the expensive computations. Usually, volumes recovered first, from fluid flows computed. Without iterative reconstructions, This sequential space–time process lacks accuracy. paper presents a joint optimization framework velocimetry: reconstructed jointly higher dimension, enabling faster convergence better reconstruction quality both within few minutes on modern GPUs. Synthetic experimental results presented show efficiency proposed technique.