Files:
    tsne-200k-all.jpg      200,000 images from all categories (Figure 10 in main paper)
    tsne-2k-artwork.jpg    2000 artwork images
    tsne-2k-chairs.jpg     2000 chair images (note that many chair sub-categories were combined)
    tsne-2k-lighting.jpg   2000 pendant lighting images
    tsne-2k-teapots.jpg    2000 teapot images
