方案详情
文
Particle Image Velocimetry (PIV) denotes a prevailing technique for
imaging turbulent fluids with high-speed cameras. Corresponding image
sequences provide the basis for estimating such flows and related flow
patterns through image processing. While so far this technique has been
applied in two dimensions (2D) in terms of an illuminated plane intersecting
the volume, recent research focuses on imaging fluids directly in
3D. This paper provides a synopsis of the state-of-the-art and its connections
to previous research work on image restoration. We address
the basic problems involved and point out promising research directions
for reconstructing scalar-valued particle functions from few tomographical
measurements. Solutions to these problems will provide an essential
processing step prior to the estimation of 3D flows from reconstructed
volume functions.
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