Inspec keywords: image classification; image sampling; learning (artificial intelligence); object tracking; least squares approximations; regression analysis

Other keywords: training process; visual tracking; linear regression; novel ensemble tracking system; historical targets; tracking task; Fourier domain; strong classifier; Moore–Penrose inverse; least-squares problem; diverse weak classifiers

Subjects: Knowledge engineering techniques; Other topics in statistics; Computer vision and image processing techniques; Other topics in statistics; Image recognition