auto_thresh             Automatically threshold an array of
                        non-negative integers.
masked_arr              Masked array class.
mean_stack_thresh       Threshold every image frame in an image stack
                        based on their mean.
med_stack_thresh        Threshold every image frame in a stack based on
                        their median.
stack_threshed_img      Stack-thresholded image class.
th                      Automatically found threshold class.
threshed_arr            Thresholded array class.
