2021 4th International Conference on Pattern Recognition and Artificial Intelligence (PRAI) 2021
DOI: 10.1109/prai53619.2021.9551097
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FMCW Multi-Person Action Recognition System Based on Point Cloud Nearest Neighbor Sampling Algorithm

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Cited by 6 publications
(4 citation statements)
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“…Traditional target detection methods exploit spatial domain clustering algorithms to identify TPs and NPs in a radar point cloud based on the spatial Euclidean distance or its variants [19]. To classify fall, sit, and walk motions of two persons, the GMM is employed in [20] for target detection with mmWave radar point cloud as a preprocessing step. It assumes that the point cloud of each target follows a Gaussian distribution with specific mean and variance.…”
Section: Related Workmentioning
confidence: 99%
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“…Traditional target detection methods exploit spatial domain clustering algorithms to identify TPs and NPs in a radar point cloud based on the spatial Euclidean distance or its variants [19]. To classify fall, sit, and walk motions of two persons, the GMM is employed in [20] for target detection with mmWave radar point cloud as a preprocessing step. It assumes that the point cloud of each target follows a Gaussian distribution with specific mean and variance.…”
Section: Related Workmentioning
confidence: 99%
“…To reduce the negative impact of sparse TP distribution, some of the existing works introduce the temporal dimension for target detection or segmentation [20,32]. Specifically, in [32], multiple frames containing point clouds are formed into a greater point cloud while the newly formed point cloud is considered as a whole for target segmentation.…”
Section: Related Workmentioning
confidence: 99%
See 1 more Smart Citation
“…Typically, FMCW radar sensors can extract human point cloud data [15] or 2-D domain spectra [16] to determine the target's activities. However, using the multi-frame point cloud accumulation method has limitations because some activities may have very similar point cloud results, such as sitting down and standing up, which are opposite activities.…”
Section: Introductionmentioning
confidence: 99%