I don't understand, doesn't the current NuPIC include a temporal pooler? What about all the TP configurations within a CLA model?
Pedro. On Tue, Jan 7, 2014 at 5:17 PM, Jeff Hawkins <[email protected]> wrote: > Ben, > "Temporal Pooling" is an important concept in brain function and cortical > models. It says that the cortex takes a series of patterns that are > adjacent in time and forms a stable representation for the series. The > cortex uses adjacency in time to know that different patterns actually > represent the same thing and therefore should have a common representation. > The concept of temporal pooling is discussed in the HTM/CLA whitepaper. We > also have an implementation of temporal pooling discussed in the white > paper > that we tested a few years back. There are several problems with the > temporal pooling mechanism in the white paper which I have discussed with > individuals but are not documented. > > The current implementation of the CLA in NuPIC does not include temporal > pooling (at least it is not enabled). The CLA today can learn sequences > but > it doesn't have the ability to form stable representations of sequences, > that requires temporal pooling. > > Over the last month I have made progress in better understanding temporal > pooling, I believe I know how it works in the cortex, and how to address > the > issues with the old implementation. This is something I hope to write > about > in the next month or two and get someone to test over the coming year. I > think it is too complex a topic to discuss fully during an office hour. My > plan > > Jeff > > -----Original Message----- > From: nupic [mailto:[email protected]] On Behalf Of Benjamin > Wiley > Sent: Tuesday, January 07, 2014 4:56 AM > To: [email protected] > Subject: Re: [nupic-discuss] (no subject) > > sorry for this newbie question, but when people respond to Matt's question > "What is the most important work that needs to be done for NuPIC this > year?" > with "Temporal Pooling", what do they mean exactly? What is it about the > temporal pooling that needs to be improved? > > Thank you, > > Ben > _______________________________________________ > nupic mailing list > [email protected] > http://lists.numenta.org/mailman/listinfo/nupic_lists.numenta.org > > > _______________________________________________ > nupic mailing list > [email protected] > http://lists.numenta.org/mailman/listinfo/nupic_lists.numenta.org > -- Pedro Tabacof, Unicamp - Eng. de Computação 08.
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