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The improvement of position estimation accuracy is a very important factor in various radar applications. This paper focuses on two-dimensional (2-D) location estimation in radar surveillance using leaky coaxial cables. A leaky coaxial cable is a kind of antenna and has recently attracted attention as a powerful tool for vehicle detection and as an intrusion detection sensor for perimeter security...
This paper investigates polarimetric scattering features generated from man-made targets for accurately observing stricken residential area by making full use of quad. polarimetric SAR data set. First, we propose a simple improvement of the scattering power decomposition method by introducing a unitary rotation of the coherency matrix. It is found from the results of the POLSAR image analysis for...
Users require rapid and highly accurate speech recognition systems. Accuracy could be improved by unsupervised adaptation as provided by CMLLR (Constrained Maximum Likelihood Linear Regression). CMLLR-based batch-type unsupervised adaptation estimates a single global transformation matrix by utilizing unsupervised labeling; unfortunately, it needs prior labeling and so is not rapid. Our proposed technique...
A pattern recognition system that can process a large amount of image data at high speed is required in many fields. In this paper, we propose an on-chip pattern recognition system that utilizes the reconfigurability of the FPGA. The features of the system are not only very high recognition speed but also an adaptive function. For example, when objects to be detected change appearance, recognition...
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