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Everything about Reassignment method

Signal processing algorithm

The method of reassignment is a technique for sharpening a time-frequency representation by mapping the data to time-frequency coordinates that are nearer to the true region of support of the analyzed signal. The method has been independently introduced by several parties under various names, including method of reassignment, remapping, time-frequency reassignment, and modified moving-window method. The method of reassignment sharpens blurry time-frequency data by relocating the data according to local estimates of instantaneous frequency and group delay. This mapping to reassigned time-frequency coordinates is very precise for signals that are separable in time and frequency with respect to the analysis window. Wikipedia →

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  1. Read the overview: Reassignment methodA 5-minute orientation
  2. Skim a recent paper: An Automatic Hierarchical Clustering Method for the LiDAR Point Cloud Segmentation of Buildings via Shape Classification and Outliers ReassignmentInfluential work since 2022
  3. Pick up a classic book: Exploring transsexualismThe most-reprinted book on the subject
  4. Read the landmark paper: A distributed task reassignment method in dynamic environment for multi-UAV systemCited 57 times
  5. Go sideways: Bilinear time–frequency distributionA closely related topic
  6. Go sideways: Spectral density estimationA closely related topic

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