Activity Recognition Using First-Person-View Cameras Based on Sparse Optical Flows
Peng Yua Kao, Yanjing Lei, Chia‐Hao Chang, Chu‐Song Chen, Ming‐Sui Lee, Yi‐Ping Hung · 2021
First-person-view (FPV) cameras are finding wide use in daily life to record activities and sports. In this paper, we propose a succinct and robust 3D convolutional neural network (CNN) architecture accompanied with an ensemble-learning network for activity recognition with FPV videos. The proposed 3D CNN is trained on low-resolution (32 × 32) sparse optical flows using FPV video datasets consisting of daily activities. According to the experimental results, our network achieves an average accuracy of 90%.