nn: Neural network modules# Neural network modules. activation: Activation functions as modules CorrelationNorm: Correlation normalisation Isochor: Isochoric normalisation atlas: Atlas layers AtlasLinear: Linear atlas layer cov: Covariance modules BaseCovariance: Covariance base class UnaryCovariance UnaryCovarianceTW UnaryCovarianceUW BinaryCovariance BinaryCovarianceTW BinaryCovarianceUW freqfilter: Frequency-domain filter layer FrequencyDomainFilter iirfilter: IIR filter layer IIRFilter IIRFiltFilt interpolate: Interpolation layers SpectralInterpolate LinearInterpolate HybridInterpolate recombinator Recombinator Residualise Parameters semidefinite TangentProject BatchTangentProject SPDNoise SVM sylo Sylo SyloResNet vertcom: Vertex compression VerticalCompression WindowAmplifier WindowAmplifier