Figure 2From: A tracer liquid image velocimetry for multi-layer radial flow in bioreactors Tracer Liquid Image Velocimetry (TLIV) schematic. A: Background image of top view. B: Background image of side view. C-D: Scale calibration. E-F: Acquired color image and its gray image. G1-6: Sub-pixel positioning algorithm. H1-2: Post-processing.Back to article page