[CNN] Karpathy's visualization of CNN representations

Dec 21, 2017

https://cs.stanford.edu/people/karpathy/cnnembed/

t-SNE visualization of CNN codes

Description

I took 50,000 ILSVRC 2012 validation images, extracted the 4096-dimensional fc7 CNN (Convolutional Neural Network) features using Caffe and then used Barnes-Hut t-SNE to compute a 2-dimensional embedding that respects the high-dimensional (L2) distances. In other words, t-SNE arranges images that have a similar CNN (fc7) code nearby in the embedding.

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