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We introduce a new covariance descriptor combining object visual (color, gradient, depth, etc.) and geometric information (3D coordinates, normal vectors, Gaussian curvature, etc.) for mobile robot with RGB-D camera to deal with point cloud data. The improved mismatching correction algorithm is applied in the feature point mismatching correction of 3D point cloud, and then this correction algorithm...
This paper presents a text query-based method for keyword spotting from online Chinese handwritten documents. The similarity between a text word and handwriting is obtained by combining the character similiarity scores given by a character classifier. To overcome the ambiguity of character segmentation, multiple candidates of character patterns are generated by over-segmentation, and sequences of...
An algorithm for eyes state classification based on radial basic function (RBF) neural network is proposed, and is used for driver fatigue monitoring. Firstly, after detecting the face, a method based on chroma space of color image is adopted to locate the eyes. Then the eigenvector relation to the features of eyes region is extracted, and put into the RBF neural network to classify the eyes states:...
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