The image I tested seemed to fall into some kind of local maximum: http://i.imgur.com/miCDFOD.png http://i.imgur.com/miCDFOD.png As you can see, the left quar

The image I tested seemed to fall into some kind of local maximum: http://i.imgur.com/miCDFOD.png http://i.imgur.com/miCDFOD.png As you can see, the left quarter of the image is reversed. I imagine the additional function you described would help with this.