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ICA
2007
Springer
14 years 3 months ago
Hierarchical ALS Algorithms for Nonnegative Matrix and 3D Tensor Factorization
In the paper we present new Alternating Least Squares (ALS) algorithms for Nonnegative Matrix Factorization (NMF) and their extensions to 3D Nonnegative Tensor Factorization (NTF) ...
Andrzej Cichocki, Rafal Zdunek, Shun-ichi Amari
ISNN
2007
Springer
14 years 3 months ago
Regularized Alternating Least Squares Algorithms for Non-negative Matrix/Tensor Factorization
Nonnegative Matrix and Tensor Factorization (NMF/NTF) and Sparse Component Analysis (SCA) have already found many potential applications, especially in multi-way Blind Source Separ...
Andrzej Cichocki, Rafal Zdunek
GLOBECOM
2006
IEEE
14 years 3 months ago
Sensor Localization from WLS Optimization with Closed-form Gradient and Hessian
— A non-parametric, low-complexity algorithm for accurate and simultaneous localization of multiple sensors from scarce and imperfect ranging information is proposed. The techniq...
Giuseppe Destino, Giuseppe Thadeu Freitas de Abreu
IWDW
2005
Springer
14 years 3 months ago
Performance Lower Bounds for Existing and New Uncoded Digital Watermarking Modulation Techniques
Abstract. Many coded digital watermarking systems development requires first the selection of a (uncoded) modulation technique to be part of a coded architecture. Therefore, perfo...
Marcos de Castro Pacitti, Weiler Alves Finamore
ADVIS
2004
Springer
14 years 3 months ago
Kaliphimos: A Community-Based Peer-to-Peer Group Management Scheme
Emerging peer-to-peer services such as Freenet, Gnutella, Kazaa, and Napster provide an easy and efficient way to share resources and information. However, misuse or unfair exploit...
Hoh Peter In, Konstantinos A. Meintanis, Ming Zhan...