import torchvision.transforms.functional as F
from PIL import Image
[docs]class ConvertToBGR(object):
"""
Converts a PIL image from RGB to BGR.
"""
def __init__(self):
pass
def __call__(self, img):
if len(img.getbands()) == 3:
r, g, b = img.split()
else:
r, g, b = img, img, img
img = Image.merge("RGB", (b, g, r))
return img
def __repr__(self):
return "{}()".format(self.__class__.__name__)
[docs]class Multiplier(object):
"""
Multiply the pixel value by a constant.
"""
def __init__(self, multiple):
self.multiple = multiple
def __call__(self, img):
return img*self.multiple
def __repr__(self):
return "{}(multiple={})".format(self.__class__.__name__, self.multiple)