Hi Thushan,
On Fri, Jun 19, 2015 at 7:27 AM, Thushan Ganegedara <[email protected]> wrote: > Hi, > > as he configure, can we visualize the deep network ( use some d3 graph > library). > I don't think I understood. Are you asking if we could show the user a > diagram of the network he has specified (like the attached image)? > yes > > Also, after he has trained, can we let him visualize the output of > intermediate layers ( this is a advanced feature, so optional). > Intermediate levels are quite tricky to visualize. Two major issues with > visualizing intermediate layers are, > 1. Intermediate layers are not linear transformations of the input so the > visualized filters of intermediate layers doesn't make much sense (I tried > it, what I saw was completely random pixels) > > 2. It is possible to overcome the above issue with a technique called > activation maximization (we are solving the optimization problem z = > sigmoid(x.W) by keeping W constant and changing x to get the maximum z). > However, this is highly non-convex. So it easily get stuck in local maxima. > Also, this is to costly for large dimensional data (it will work for MNIST > though). > That is OK, I think it is useful to do it for usecases that is possible. --Srinath > > Thank you > > On Fri, Jun 19, 2015 at 11:50 AM, Srinath Perera <[email protected]> wrote: > >> Hi Tushan, >> >> OK high level. However, as he configure, can we visualize the deep >> network ( use some d3 graph library). >> >> Also, after he has trained, can we let him visualize the output of >> intermediate layers ( this is a advanced feature, so optional). >> >> --Srinath >> >> On Fri, Jun 19, 2015 at 6:56 AM, Thushan Ganegedara <[email protected]> >> wrote: >> >>> Dear all, >>> >>> Please find the proposed UI changes for the Deep Network Integration >>> attached herewith. >>> >>> Feedback would be highly appreciated. >>> >>> -- >>> Regards, >>> >>> Thushan Ganegedara >>> School of IT >>> University of Sydney, Australia >>> >> >> >> >> -- >> ============================ >> Blog: http://srinathsview.blogspot.com twitter:@srinath_perera >> Site: http://people.apache.org/~hemapani/ >> Photos: http://www.flickr.com/photos/hemapani/ >> Phone: 0772360902 >> > > > > -- > Regards, > > Thushan Ganegedara > School of IT > University of Sydney, Australia > -- ============================ Blog: http://srinathsview.blogspot.com twitter:@srinath_perera Site: http://people.apache.org/~hemapani/ Photos: http://www.flickr.com/photos/hemapani/ Phone: 0772360902
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