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- W2785389416 abstract "Multi-dimensional scaling (MDS) plays a central role in data-exploration, dimensionality reduction and visualization. State-of-the-art MDS algorithms are not robust to outliers, yielding significant errors in the embedding even when only a handful of outliers are present. In this paper, we introduce a technique to detect and filter outliers based on geometric reasoning. We test the validity of triangles formed by three points, and mark a triangle as broken if its triangle inequality does not hold. The premise of our work is that unlike inliers, outlier distances tend to break many triangles. Our method is tested and its performance is evaluated on various datasets and distributions of outliers. We demonstrate that for a reasonable amount of outliers, e.g., under $20%$, our method is effective, and leads to a high embedding quality." @default.
- W2785389416 created "2018-02-23" @default.
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- W2785389416 date "2018-02-07" @default.
- W2785389416 modified "2023-09-27" @default.
- W2785389416 title "Outlier Detection for Robust Multi-dimensional Scaling" @default.
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