Function crop_rect_from_slide

extract_features.py:442–447

(slide, rect)

    return True

def crop_rect_from_slide(slide, rect):
    minx, miny, maxx, maxy = rect.bounds
    # Note that the y-axis is flipped in the slide: the top of the shapely polygon is y = ymax,
    # but in the slide it is y = 0. Hence: miny instead of maxy.
    top_left_coords = (int(minx), int(miny))
    return slide.read_region(top_left_coords, 0, (int(maxx - minx), int(maxy - miny)))

class BagOfTiles(Dataset):
    def __init__(self, wsi, tiles, resize_to=224):