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In order to reduce the accidents in industrial scenarios which were caused by workers'unsafe operation behaviors, meanwhile improve the performance of visual-based action recognition methods in industrial scene with poor lighting, limited field of view and occlusions, an improved decision-making strategy based on self-adaptive ER (S-ER) was introduced in this paper. This strategy could integrate video information and inertial measurement unit (IMU) information effectively. It firstly analyzed video information and IMU information with attention mechanism-based multi-task convolutional 3D (M-C3D) model as well as one-dimensional convolutional neural network (1D-CNN) fused with attention mechanism, then ER theory was introduced to achieve decision-level fusion, where the set of evidence weights and reliability under different environmental conditions was optimized through the firefly optimization algorithm for improving the recognition accuracy and robustness of the model. The effectiveness of the proposed algorithm was verified on the public dataset Multimodal Human Action Dataset from University of Texas at Dallas(UTD-MHAD) and the self-built dataset Multimodal Human Action Dataset from Zhongyuan University of Technology(ZUT-MHAD). The results show that the identification results of S-ER for workers'unsafe behaviors in complex industrial scenarios can reach up to 98.53%, which is 17.52% higher than the maximum value of traditional multimodal fusion methods and single-modality recognition methods.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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