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- W4285260129 abstract "Nowadays, human action recognition (HAR) has been applied in multiple fields with the rapid growth of artificial intelligence and machine learning. Applying HAR onto industrial production lines can help on visualizing and analyzing the correlation between human operators and machine utilization to improve overall productivity. However, to train HAR model, the manual labeling of certain actions in a large amount of the collected video data is required and very costly. How to label a large amount of video automatically is an emerging practical problem in HAR research domain. This research proposed an automatic labeling framework by integrating Dynamic Time Warping (DTW), human skeleton clustering, and Fuzzy similarity to assign the labels based on the pre-defined human actions. First, the skeleton estimation method such as OpenPose was used to jointly detect key points of the human operator’s skeleton. Then, the skeleton data was converted to spatial-temporal data for calculating the DTW distance between skeletons. The groups of human skeletons can be clustered based on DTW distance among skeletons. Within a group of skeletons, the undefined skeletons will be compared with the pre-defined skeletons, considered as the references, and the labels are assigned according to the similarity against the references. The experimental dataset was created by simulating the human actions of manual drilling operations. By comparing with the manual labeled data, the results show that all of accuracy, precision, recall, and F1 of the proposed labeling model can achieve up to 95% with 40% saving time." @default.
- W4285260129 created "2022-07-14" @default.
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- W4285260129 date "2022-01-01" @default.
- W4285260129 modified "2023-10-16" @default.
- W4285260129 title "Automatic Labeling of Human Actions by Skeleton Clustering and Fuzzy Similarity" @default.
- W4285260129 doi "https://doi.org/10.54941/ahfe1001457" @default.
- W4285260129 hasPublicationYear "2022" @default.
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