_compute_spatial_lut(win_size, sigma, *, dtype=<class 'float'>)
Window size for filtering. If win_size is not specified, it is calculated as max(5, 2 * ceil(3 * sigma_spatial) + 1)
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Standard deviation for range distance. A larger value results in averaging of pixels with larger spatial differences.
The type and size of the data to be returned.
Lookup table for the spatial sigma.
Helping function. Define a lookup table containing Gaussian filter values using the spatial sigma.
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