code: def proxy_image(self, s=0, c=0, z=0, t=0):
          
          for proxy_image in self:
              if proxy_image.is_me(s=s, c=c, z=z, t=t):
                  return proxy_image
docs: Return a :class:`jicimagelib.image.MicroscopyImage` instance.
          
          :param s: series
          :param c: channel
          :param z: zslice
          :param t: timepoint
          :returns: :class:`jicimagelib.image.MicroscopyImage`