Surface PlotTo better visualize the pixel values in the image use the surface plot function. The surface plot uses the pixels intensity as a Y axis offset and plots the location using a white pixel. The end effect is a 3-D like surface plot that can be used to see how processing is affecting pixel rows in more detail.
1. To increase/decrease the maximum Y offset change the
2. To increase/decrease the row sampling change the "Spacing" value.
To see how filters can affect pixel values crop the entire image to a single row and use the surface plot to plot the single row. Prefixing filters before the crop and surface plot can help indicate how filters affect pixel values.
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