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 > >
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