这篇文章讲的是非负矩阵分解，但是分解的结果跟原来的矩阵的距离用的是推土机距离。作者是以色列的Roman Sandler。

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Nonnegative Matrix Factorization with Earth Mover's Distance Metric for Image Analysis

Roman Sandler; Michael Lindenbaum

IEEE Transactions on Pattern Analysis and Machine Intelligence

Year: 2011, Volume: 33, Issue: 8

Pages: 1590 – 1602

Nonnegative Matrix Factorization with Earth Mover's Distance Metric for Image Analysis

Roman Sandler; Michael Lindenbaum

IEEE Transactions on Pattern Analysis and Machine Intelligence

Year: 2011, Volume: 33, Issue: 8

Pages: 1590 – 1602