How to convert tif format mast to png format mast during image segmentation

vision
1

How to convert tif format mast

Screenshot_20210303_142808
Screenshot_20210303_1428081080×425 63.6 KB

to png format mast during image segmentation

Screenshot_20210302_174104
Screenshot_20210302_174104960×444 33.2 KB

2

tif format mast can not user in
https://pytorch.org/tutorials/intermediate/torchvision_tutorial.html#