Augmented Space Linear Model
Zhengda Qin, Badong Chen, Nanning Zheng, Jose C. Principe

TL;DR
The paper introduces the Augmented Space Linear Model (ASLM), a linear approach that approximates nonlinear modeling performance by using joint input and desired signal space for efficient and accurate predictions.
Contribution
The paper proposes ASLM, a novel linear model that leverages the full joint space of input and desired signals to efficiently approximate nonlinear models.
Findings
ASLM approaches nonlinear model performance.
ASLM maintains computational efficiency of linear methods.
ASLM improves modeling tasks by utilizing full training data.
Abstract
The linear model uses the space defined by the input to project the target or desired signal and find the optimal set of model parameters. When the problem is nonlinear, the adaption requires nonlinear models for good performance, but it becomes slower and more cumbersome. In this paper, we propose a linear model called Augmented Space Linear Model (ASLM), which uses the full joint space of input and desired signal as the projection space and approaches the performance of nonlinear models. This new algorithm takes advantage of the linear solution, and corrects the estimate for the current testing phase input with the error assigned to the input space neighborhood in the training phase. This algorithm can solve the nonlinear problem with the computational efficiency of linear methods, which can be regarded as a trade off between accuracy and computational complexity. Making full use of…
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Taxonomy
TopicsAdvanced Adaptive Filtering Techniques · Neural Networks and Applications · Structural Health Monitoring Techniques
