Search Results for author: Niya Wang

Found 3 papers, 0 papers with code

Convex Analysis of Mixtures for Separating Non-negative Well-grounded Sources

no code implementations28 Jun 2014 Yitan Zhu, Niya Wang, David J. Miller, Yue Wang

We prove a sufficient and necessary condition for identifying the mixing matrix through edge detection, which also serves as the foundation for CAM to be applied not only to the exact-determined and over-determined cases, but also to the under-determined case.

blind source separation Clustering +1

A feasible roadmap for unsupervised deconvolution of two-source mixed gene expressions

no code implementations25 Oct 2013 Niya Wang, Eric P. Hoffman, Robert Clarke, Zhen Zhang, David M. Herrington, Ie-Ming Shih, Douglas A. Levine, Guoqiang Yu, Jianhua Xuan, Yue Wang

Tissue heterogeneity is a major confounding factor in studying individual populations that cannot be resolved directly by global profiling.

Unsupervised deconvolution of dynamic imaging reveals intratumor vascular heterogeneity

no code implementations14 Jun 2013 Li Chen, Peter L . Choyke, Niya Wang, Robert Clarke, Zaver M. Bhujwalla, Elizabeth M. C. Hillman, Yue Wang

Intratumor heterogeneity is often manifested by vascular compartments with distinct pharmacokinetics that cannot be resolved directly by in vivo dynamic imaging.

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