1. Feature extraction theory;Young,1974
2. Karhunen-Loève expansion and factor analysis - theoretical remarks and application;Watanabe,1967
3. Selection and ordering of feature observations in a pattern recognition system;Chien;Inf. Control,1968
4. On the representation of electrocardiograms;Young;IEEE Trans. Biomed. Elect. BME-10,1963
5. Evaluation of selection of variables in pattern recognition;Watanabe,1967