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Method of particle trajectory recognition in particle flows of high particle concentration using a candidate trajectory tree process with variable search areas
Method of particle trajectory recognition in particle flows of high particle concentration using a candidate trajectory tree process with variable search areas
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机译:使用具有可变搜索区域的候选轨迹树过程,在高粒子浓度的粒子流中识别粒子轨迹的方法
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摘要
The application relates to particle trajectory recognition from a Centroid Population comprised of Centroids having an (x, y, t) or (x, y, f) coordinate. The method is applicable to visualization and measurement of particle flow fields of high particle. In one embodiment, the centroids are generated from particle images recorded on camera frames. The application encompasses digital computer systems and distribution mediums implementing the method disclosed and is particularly applicable to recognizing trajectories of particles in particle flows of high particle concentration. The method accomplishes trajectory recognition by forming Candidate Trajectory Trees and repeated searches at varying Search Velocities, such that initial search areas are set to a minimum size in order to recognize only the slowest, least accelerating particles which produce higher local concentrations. When a trajectory is recognized, the centroids in that trajectory are removed from consideration in future searches.
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