Natural gradient learning for over- and under-complete bases in ICA
Neural Computation
Independent component analysis: algorithms and applications
Neural Networks
Linear geometric ICA: fundamentals and algorithms
Neural Computation
Beyond independent components: trees and clusters
The Journal of Machine Learning Research
Topographic Independent Component Analysis
Neural Computation
A blind source separation technique using second-order statistics
IEEE Transactions on Signal Processing
Fast and robust fixed-point algorithms for independent component analysis
IEEE Transactions on Neural Networks
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It has previously been suggested that the visual cortex performs a data analysis similar to independent component analysis (ICA). Following this idea we show that an incomplete ICA, applied after filtering, can be used to detect objects in natural scenes. Based on this we show that an incomplete ICA can be used to efficiently cluster independent components. We further apply this algorithm to toy data and a real-world fMRI data example and show that this approach to clustering offers a wide variety of applications.