Re: [Computer-go] Is Go group status recognition by CNN possible?

2016-04-21 Thread Detlef Schmicker
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 You are right, usually they do quite well, but e.g. liberty races with large dragons are quite difficult. And there must be a reason, why the value net was so wrong in the game alphgo lost:) Am 21.04.2016 um 13:51 schrieb Erik van der Werf: > On

Re: [Computer-go] Is Go group status recognition by CNN possible?

2016-04-21 Thread Ingo Althöfer
Hi Erik, >> Likely it is almost impossible for neural nets of "moderate" size >> to identify life/death stati of a groups. > > No. Neural nets (even shallow ones like we used over a decade ago) > are quite capable to identify life/death. Sure you can construct  > pathological examples that in

Re: [Computer-go] Is Go group status recognition by CNN possible?

2016-04-21 Thread Erik van der Werf
On Thu, Apr 21, 2016 at 1:20 PM, "Ingo Althöfer" <3-hirn-ver...@gmx.de> wrote: > Likely it is almost impossible for neural nets of "moderate" size > to identify life/death stati of a groups. > No. Neural nets (even shallow ones like we used over a decade ago) are quite capable to identify

Re: [Computer-go] Is Go group status recognition by CNN possible?

2016-04-21 Thread Ingo Althöfer
Likely it is almost impossible for neural nets of "moderate" size to identify life/death stati of a groups. One difficult example (in the spirit of old Minsky/Papert who asked perceptrons to identify the connectivity status of a "picture") might be the following X-"around the board"-group which