Figure 11 | Scientific Reports

Figure 11

From: Tomographic Particle Image Velocimetry using Smartphones and Colored Shadows

Figure 11

(a) Cropped portion of two particles from the raw captured image with the default color interpolation by the smartphone, (b) the interpolated raw image after separation of each channel array and combining them for clarity. (c) Inverted image after background subtraction and filtering by local standard deviation in each subregion, combining the color channels for clarity. For comparison, the color intensities are plotted on the right side, along cuts through the image, marked by the dashed line.

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