Investigation of Edge Computing in Computer Vision-Based Construction Resource Detection

被引:7
|
作者
Chen, Chen [1 ]
Gu, Hao [1 ]
Lian, Shenghao [1 ]
Zhao, Yiru [1 ]
Xiao, Bo [2 ]
机构
[1] Zhejiang Univ Sci & Technol, Sch Civil Engn & Architecture, Hangzhou 310023, Peoples R China
[2] Hong Kong Polytech Univ, Dept Bldg & Real Estate, Hong Kong, Peoples R China
关键词
edge computing; automation in construction; computer vision; hardhat detection; SURVEILLANCE VIDEOS; WORKERS ACTIVITIES; ACTION RECOGNITION; DEEP; EFFICIENT; MACHINES; CLOUD;
D O I
10.3390/buildings12122167
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
The Internet of Things (IoT), including sensors, computer vision (CV), robotics, and visual reality technologies, is widely used in the construction industry to facilitate construction management in productivity and safety control. The application of such technologies in real construction projects requires high-quality computing resources, the network for data transferring, a near real-time response, geographical closeness to the smart environments, etc. Most existing research has focused on the first step of method development and has neglected the further deployment step. For example, when using CV-based methods for construction site monitoring, internet-connected cameras must transmit large quantities of high-quality data to the central office, which may be located thousands of miles away. Not only the quality may suffer due to latency, but the wideband cost can be astronomical. Edge computing devices and systems help solve this problem by providing a local source to process the data. The goal of this study is to embed the CV-based method into devices and thus to develop a practical edge computing system for vision-based construction resource detection, which can provide automatic construction with high-quality and more applicable service. Specifically, this study first developed a CV-based hardhat color detection model to manage workers in different tasks. Then, the model was embedded into a Raspberry Pi microcomputer mainboard for video data processing, and the performance was compared with the local computer to validate the feasibility of the proposed method.
引用
收藏
页数:12
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