可视化MNIST之降维探索Visualizing MNIST: An Exploration of Dimensionality Reduction-2
GraphBasedVisualizationPerhaps,iflocalbehavioriswhatwewantourembeddingtopreserve,weshouldoptimizeforthatmoreexplicitly.ConsideranearestneighborgraphofMNIST.Forexample,consideragraph(V,E)(V,E)wherethen