Figure 3
From: Quantitative blood flow velocity imaging using laser speckle flowmetry

Multi-exposure curves and fits.
Multi-exposure speckle contrast values (data points) and corresponding fit of Supplementary equation (12) (dashed lines) for 9 different flow velocities for 2 μm polystyrene spheres (2.5 vol%). Speckle contrast K is calculated according to Supplementary equation 12.