def cutout_abs_hwc(img, box):
    """
    Returns a cut-out of `img` (which is HWC) at the *absolute* `box` location.
    `box` is a `(l,t,w,h)`-tuple as usual, in absolute coordinates.
    """
    l, t, w, h = map(int, box)
    return img[t:t+h,l:l+w]