Might take a few weeks depending on when Subutai can find time to put it together. Follow along here: https://issues.numenta.org/browse/NPC-310
On Tue, Aug 13, 2013 at 10:32 AM, Hideaki Suzuki <[email protected]> wrote: > That would be great! Thank you very much. > > > 2013/8/14 Scott Purdy <[email protected]> > >> I am going to try to engage Subutai and Jeff today and will follow up. >> There was a lot of previous experimentation with vision so no point in >> trying everything again. >> >> >> On Tue, Aug 13, 2013 at 10:10 AM, Hideaki Suzuki <[email protected]>wrote: >> >>> Hi Scott san, >>> >>> Thank you for your comment and clarification. >>> >>> In that sense, would JIRA be the better place to gather pieces of >>> information for discussion? >>> >>> I have a few more ideas of enhancement for 2D input; local inhibition, >>> boosting,... ,etc. >>> (from software perspective) >>> >>> Best Regards, >>> >>> 2013/8/14 Scott Purdy <[email protected]> >>> >>>> You are correct that a separate scalar encoder for each pixel would not >>>> be a good method. You would want to create a vision-specific encoder which >>>> may do a number of preprocessing techniques to capture the semantics of the >>>> data. You would also want to use topology in the SP (currently the default >>>> is global inhibition). And I believe that hierarchy is somewhat important >>>> to vision problems, although may not be necessary for some problems (I >>>> don't really know). >>>> >>>> This is a pretty big task in general. We have been talking about >>>> putting up details around some domains like vision and NLP to help guide >>>> research so we will follow up if we can get something like that together >>>> for vision. >>>> >>>> >>>> On Tue, Aug 13, 2013 at 8:21 AM, Hideaki Suzuki <[email protected]>wrote: >>>> >>>>> Hello people, >>>>> >>>>> Today, I've got one idea in my mind. Do you have any opinion or >>>>> interest for this? >>>>> >>>>> Nupic uses scalar encoder to feed numbers to SP, IIUC. >>>>> >>>>> If we want to feed an image to SP, each pixel has an integer value and >>>>> the number of pixels are large. It sounds not so easy to me that we >>>>> convert >>>>> million pixel values through scalar encoder and feed them to SP. >>>>> >>>>> Can dithering work as the encoder? I mean this. >>>>> http://en.wikipedia.org/wiki/Dither >>>>> >>>>> Our brain recognizes a black & white binary image as if it is a >>>>> grayscale image >>>>> after dithering. Does our retina convey the intensity of light in a >>>>> similar way of >>>>> dithering...? >>>>> >>>>> # I was a bit away from ML due to a business trip. I hope I can be >>>>> more active now. :) >>>>> >>>>> Best Regards, >>>>> Hideaki Suzuki. >>>>> >>>>> _______________________________________________ >>>>> 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 >>>> >>>> >>> >>> _______________________________________________ >>> 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 >> >> > > _______________________________________________ > nupic mailing list > [email protected] > http://lists.numenta.org/mailman/listinfo/nupic_lists.numenta.org > >
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