Alternating least squares estimation 1 Ballistics 1 Clustering algorithms 1 Comparative studies 1 Covariance structure analysis 1 Diagonally weighted least squares estimation 1 Estimation 1 Firearm identification 1 Generalized structured component analysis 1 Generalized-M estimator 1 High Leverage Collinearity Enhancing Observations 1 High Leverage Points 1 Image processing 1 Image segmentation 1 Least square estimators 1 Least trimmed squares 1 Least trimmed squares estimators 1 Least-squares estimator 1 Linear regression 1 Maximum likelihood estimation 1 Mean square error 1 Monte carlo simulation 1 Multicollinearity 1 Multiple linear regression models 1 Noise levels 1 Physical interpretation 1 Ridge regression estimators 1 Robust algorithm 1 Root mean square errors 1 Segmented regions 1