def predict_source_position_in_camera(cog_x, cog_y, disp_dx, disp_dy):
    """
    Compute the source position in the camera frame

    Parameters
    ----------
    cog_x: float or `numpy.ndarray` - x coordinate of the center of gravity (hillas.x)
    cog_y: float or `numpy.ndarray` - y coordinate of the center of gravity (hillas.y)
    disp_dx: float or `numpy.ndarray`
    disp_dy: float or `numpy.ndarray`

    Returns
    -------
    source_pos_x, source_pos_y
    """
    reco_src_x = cog_x + disp_dx
    reco_src_y = cog_y + disp_dy
    return reco_src_x, reco_src_y