This is a method used to normalize the distribution of signal intensity values within an image. If the image has low contrast it will make it easier to threshold.
returns normalized image
- gray_img - Grayscale image data
- Used to normalize the distribution of a signal intensity within an image.
from plantcv import plantcv as pcv # Set global debug behavior to None (default), "print" (to file), # or "plot" (Jupyter Notebooks or X11) pcv.params.debug = "print" # Examine signal distribution within an image # prints out an image histogram of signal within image he_img = pcv.hist_equalization(gray_img)