threshold_minimum(image, nbins=256, max_iter=10000)
The histogram of the input image
is computed and smoothed until there are only two maxima. Then the minimum in between is the threshold value.
Input image.
Number of bins used to calculate histogram. This value is ignored for integer arrays.
Maximum number of iterations to smooth the histogram.
If unable to find two local maxima in the histogram or if the smoothing takes more than 1e4 iterations.
Upper threshold value. All pixels with an intensity higher than this value are assumed to be foreground.
Return threshold value based on minimum method.
>>> from skimage.data import cameraSee :
... image = camera()
... thresh = threshold_minimum(image)
... binary = image > thresh
The following pages refer to to this document either explicitly or contain code examples using this.
skimage.filters.thresholding.threshold_minimum
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