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Articles 121 - 122 of 122
Full-Text Articles in Theory and Algorithms
Control Of A Large Flexible Space Structure Using Multiple Model Adaptive Algorithms, John A. Gustafson
Control Of A Large Flexible Space Structure Using Multiple Model Adaptive Algorithms, John A. Gustafson
Theses and Dissertations
The development and performance of moving-bank multiple model adaptive estimation (MMAE) and control (MMAC) algorithms for quelling vibrations induced in the SPICE 2 space structure are analyzed in this thesis. The structure consists of a large platform and a smaller platform connected by three legs in a tripod fashion. The model supplied by Phillips Laboratory, Kirtland AFB is used to develop a truth model and multiple reduced ordered filter models. The filter models are developed from modal analysis and internally balanced techniques. Deviations of the line-of-sight vector from the center of the large platform to the center of the smaller …
Face Recognition With The Karhunen-Loeve Transform, Pedro F. Suarez
Face Recognition With The Karhunen-Loeve Transform, Pedro F. Suarez
Theses and Dissertations
The major goal of this research was to investigate machine recognition of faces. The approach taken to achieve this goal was to investigate the use of Karhunen-Loe've Transform (KLT) by implementing flexible and practical code. The KLT utilizes the eigenvectors of the covariance matrix as a basis set. Faces were projected onto the eigenvectors, called eigenfaces, and the resulting projection coefficients were used as features. Face recognition accuracies for the KLT coefficients were superior to Fourier based techniques. Additionally, this thesis demonstrated the image compression and reconstruction capabilities of the KLT. This theses also developed the use of the KLT …