P Song, C Zhao - IEEE Transactions on Neural Networks and …, 2022 - ieeexplore.ieee.org
… A slowly varying feature is considered to represent more … to vary as slowly as possible, so they are called slowfeatures. … trend by searching “slowfeatureanalysis” through Google …
Figure 1: Schematics of the optimization problem solved by SlowFeatureAnalysis. Given a set of time-varying input signals, x (t), SFA learns instantaneous, non-linear functions g (x) …
Z Zhang, D Tao - IEEE transactions on pattern analysis and …, 2012 - ieeexplore.ieee.org
… In this paper, we presented four slowfeatureanalysis-based methods for recognizing human actions. The original unsupervised SFA algorithm is extended with different learning …
… slowfeatureanalysis (SFA), an unsupervised dimension reduction methodology [16]. Slow features s … operations, described by time differences of slowfeatures s . In this way, abnormal …
… This perspective inspired a number of variants on the traditional slowfeatureanalysis algorithm. First, a fully probabilistic version of slowfeaturesanalysis was shown to be capable of …
… Slowfeatureanalysis (SFA) is a new unsupervised algorithm to learn nonlinear functions that extract slowly … In this context in order to be slowly varying the functions learned by SFA …
C Wu, B Du, L Zhang - IEEE Transactions on Geoscience and …, 2013 - ieeexplore.ieee.org
… a novel slowfeatureanalysis (SFA) algorithm for change detection. Compared with changed pixels, the unchanged ones should be spectrally invariant and varying slowly across the …
C Wu, L Zhang, B Du - IEEE Transactions on Geoscience and …, 2017 - ieeexplore.ieee.org
… of image scenes are much more complicated in a high-dimensional feature space. Therefore, in this paper, we propose kernel slowfeatureanalysis (KSFA) with supervised training …
The SlowFeatureAnalysis (SFA) unsupervised learning framework extracts features representing the underlying causes of the changes within a temporally coherent high-dimensional …