def tlwh(self):
        """Get current position in bounding box format `(top left x, top left y,
                width, height)`.
        """
        if self.mean is None:
            return self._tlwh.copy()

        ret = self.mean[:4].copy()
        ret[2] *= ret[3]
        ret[:2] -= ret[2:] / 2
        return ret
Get current position in bounding box format `(top left x, top left y,
                width, height)`.
        
deploy/pptracking/python/mot/tracker/base_jde_tracker.py