code: def bbox_adjust_ltrb(bboxes, shape_x, shape_y, pos_x, pos_y):
      sx, sy, ex, ey = pos_x, pos_y, shape_x + pos_x, shape_y + pos_y
      MT = dali.fn.transforms.crop(
          to_start=dali.fn.stack(sx, sy, sx, sy),
          to_end=dali.fn.stack(ex, ey, ex, ey),
      )
      return dali.fn.coord_transform(bboxes, MT=MT)
  
imports: import nvidia.dali
label_desc: Use image node_id 3 for calling a global function with example usage: bbox_adjust_ltrb(bboxes, shape_x, shape_y, pos_x, pos_y) and returns: dali