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In order to improve the poor accuracy and stability of the traditional geomagnetic matching navigation by TERCOM, In this paper, we discuss a new method which is based on the integration of TERCOM, K-means clustering algorithm and INS (inertial navigation system) in detail. Through an experiment, we find that the new method has higher accuracy and stability than the traditional method, especially...
For ship navigation system, the statistics of measurement noise will change with the actual working environment. If the traditional Kalman Filter is applied to integrated navigation system, the optimum state estimation may not be obtained even the filter becomes divergent due to the interference in environment. Based on fuzzy inference system (FIS), a new Kalman Filter was proposed in this paper....
We proposed a method of block wavelet shrinkage (BW-Shrink) to improve the strain visualization of microwave-induced lesion by denoising the estimated displacements. The proposed method adaptively approaches the elastogrpahic noise distribution by applying wavelet shrinkage in group of local blocks respectively. The blocks are conjunctive to each other to cover the whole region of interest (ROI)....
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