Return a :class:`jicimagelib.image.MicroscopyImage` instance.
        
        :param s: series
        :param c: channel
        :param z: zslice
        :param t: timepoint
        :returns: :class:`jicimagelib.image.MicroscopyImage`

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