tumourkit.segmentation.hovernet.misc.patch_extractor.PatchExtractor

class tumourkit.segmentation.hovernet.misc.patch_extractor.PatchExtractor(win_size, step_size, debug=False)

Bases: object

Extractor to generate patches with or without padding. Turn on debug mode to see how it is done.

Args:

x : input image, should be of shape HWC win_size : a tuple of (h, w) step_size : a tuple of (h, w) debug : flag to see how it is done

Return:

a list of sub patches, each patch has dtype same as x

Examples:

>>> xtractor = PatchExtractor((450, 450), (120, 120))
>>> img = np.full([1200, 1200, 3], 255, np.uint8)
>>> patches = xtractor.extract(img, 'mirror')

Methods

extract