Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods

Full Title

Pattern recognition > Analysing > Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation > Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods

Child Classifications

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• G06F 18/2131 based on a transform domain processing, e.g. wavelet transform
• G06F 18/2132 based on discrimination criteria, e.g. discriminant analysis
• G06F 18/2133 based on naturality criteria, e.g. with non-negative factorisation or negative correlation
• G06F 18/2134 based on separation criteria, e.g. independent component analysis
• G06F 18/2135 based on approximation criteria, e.g. principal component analysis
• G06F 18/2136 based on sparsity criteria, e.g. with an overcomplete basis
• G06F 18/2137 based on criteria of topology preservation, e.g. multidimensional scaling or self-organising maps