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Development in the field of very large scale integration (VLSI), over the past decade flooded the market with video cameras, which increases the installation of camera for surveillance purpose. Due to this huge amount of data is augmented per day, which is either impossible to handle manually or to store for too long period. These create the need to find out an algorithms and methods for automatic...
In this paper, we present a novel real-time face tracking system using rank deficient face detection. Real time computer vision systems need to be fast and efficient to be of practical application. Moreover, the system should be adaptable to diverse real life situations with varied availability of resources. We detect human face in an input grayscale image using a rank deficient face detection algorithm,...
The geometric median is a classic robust estimator of centrality for data in Euclidean spaces. In this paper we formulate the geometric median of data on a Riemannian manifold as the minimizer of the sum of geodesic distances to the data points. We prove existence and uniqueness of the geometric median on manifolds with non-positive sectional curvature and give sufficient conditions for uniqueness...
Applications in computer vision involve statistically analyzing an important class of constrained, non-negative functions, including probability density functions (in texture analysis), dynamic time-warping functions (in activity analysis), and re-parametrization or non-rigid registration functions (in shape analysis of curves). For this one needs to impose a Riemannian structure on the spaces formed...
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