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According to the theory of traditional Chinese medicine (TCM), the tongue's color, texture and shape can reflect a person's physical health. Therefore, the tongue image analysis and matching are playing more and more important role in the tongue image's computer auxiliary diagnosis in TCM. Currently, the majority of the existing tongue image analysis methods are based on the single image feature (such...
To elucidate the spinning signatures of ballistic missile warhead, the model of spinning motion for ballistic missile warhead is established and the mathematical formulas for micro-Doppler signatures caused by spinning motion is derived. Then the time-varying micro-Doppler signatures are analysed with high-resolution time-frequency transform, and the micro-Doppler frequency is calculated based on...
Radar target micro-Doppler signatures reflect the electromagnetic characteristics, geometry structures and motion signatures of the target, which has been shown to be promising signatures for application. In this paper, we review the present research status and some key techniques in this field, including the analysis of micro-Doppler signatures, feature extraction and the applied fields. Several...
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