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Line 10: volume = 26\| year = 2004\| }}</ref>, GST, is an extension of the Cartesian [[Structure Tensor]] to [[Curvilinear coordinates]]. It is mainly used ~~as a way~~ to detect and to represent the "direction" parameters of curves, just like the Cartesian structure tensor detects and represents the direction in Cartesian coordinates. Curve families generated by pairs of locally orthogonal functions are best studied. It is a widely known method in applicatons of image and video processing including computer vision., ~~Some applications include~~including biometric identification by fingerprints<ref name=fronthaler08tip>{{cite article\| title=Local features for enhancement and minutiae extraction in fingerprints\| author = H. Fronthaler and K. Kollreider and J. Bigun\|

Generalized structure tensor: Difference between revisions