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arXiv 1903.00201cs.LGstat.ML
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基于Cramer-Wold度量的非线性ICA

Non-linear ICA based on Cramer-Wold metric

Jagiellonian University(雅盖隆大学)

Przemysław Spurek, Aleksandra Nowak, Jacek Tabor, Łukasz Maziarka, Stanisław Jastrzębski

摘要:

非线性声源分离是一个具有挑战性的开放性问题,有许多应用。我们扩展了最近提出的对抗性非线性ICA(ANICA)模型,并引入Cramer-Wold ICA(CW-ICA)。与ANICA相比,我们使用一个简单的,封闭形式的优化目标,而不是一个基于独立性的措施。我们的研究结果表明,CW-ICA实现了与ANICA相当的结果,同时无需对抗训练。

英文摘要:

Non-linear source separation is a challenging open problem with many applications. We extend a recently proposed Adversarial Non-linear ICA (ANICA) model, and introduce Cramer-Wold ICA (CW-ICA). In contrast to ANICA we use a simple, closed--form optimization target instead of a discriminator--based independence measure. Our results show that CW-ICA achieves comparable results to ANICA, while foregoing the need for adversarial training.

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