def METHOD_NAME(ex_rois, gt_rois):
    assert ex_rois.shape[0] == gt_rois.shape[0], 'inconsistent rois number'
    ex_widths = ex_rois[:, 2] - ex_rois[:, 0] + 1.0
    ex_heights = ex_rois[:, 3] - ex_rois[:, 1] + 1.0
    ex_ctr_x = ex_rois[:, 0] + 0.5 * (ex_widths - 1.0)
    ex_ctr_y = ex_rois[:, 1] + 0.5 * (ex_heights - 1.0)
    targets = []
    for i in range(gt_rois.shape[1]):
        for j in range(gt_rois.shape[2]):
            # if not config.USE_OCCLUSION and j==2:
            #  continue
            if j == 2:
                continue
            if j == 0:  # w
                target = (gt_rois[:, i, j] - ex_ctr_x) / (ex_widths + 1e-14)
            elif j == 1:  # h
                target = (gt_rois[:, i, j] - ex_ctr_y) / (ex_heights + 1e-14)
            else:  # visibile
                target = gt_rois[:, i, j]
            targets.append(target)
    targets = np.vstack(targets).transpose()
    return targets