skimage2.util.img_as_bool#

skimage2.util.img_as_bool(image, force_copy=False)[source]#

Convert an image to boolean format.

Parameters:
imagendarray

Input image.

force_copybool, optional

Force a copy of the data, irrespective of its current dtype.

Returns:
outndarray of dtype bool

Output image.

Notes

The upper half of the input dtype’s positive range is True, and the lower half is False. All negative values (if present) are False.