Oilfield power operation behavior recognition based on a boundary-aware and adaptive mechanism in a dual-branch temporal network
摘要
In oilfield power operations, accurately recognizing workers’ pole-climbing behavior is critical for operational safety. The task is challenged by subtle fine-grained action differences, ambiguous state transitions, and long-term temporal dependencies, while conventional methods suffer from slow response and inaccurate boundary detection. To address these issues, we propose a dual-branch temporal recognition network based on boundary-aware and adaptive response mechanisms. Built upon R(2 + 1)D and ActionFormer, the network integrates a long-short temporal fusion structure to capture both global context and local variations. A boundary-aware attention module focuses on key transition frames, and a multi-objective loss function enhances temporal consistency and prediction smoothness. An adaptive response strategy dynamically adjusts judgment pace according to confidence levels. Extensive experiments on a self-built Oilfield Power Pole Climbing Dataset (OPPCD) show that the proposed method achieves 97.57% Top-1 accuracy and 97.58% F1-score, significantly outperforming mainstream baselines in Top-1 accuracy, boundary F1 score, and mean Average Precision (mAP).