Before revision:  However,  the limited storage and computing resources of mobile devices cannot meet the real-time requirements of deep neural network computing. In this paper , we propose a safer respiratory rate monitoring system using a three-tier architecture : robot layers, edge layers, and cloud layers.
After revision:  However, the limited storage and computation resources at the device level. To solve this problem , we propose a safer respiratory rate monitoring system using a three-tier architecture : robot layers, edge layers, and cloud layers.