Open Access

ARTICLE

A Composite Transformer-Based Multi-Stage Defect Detection Architecture for Sewer Pipes

Zifeng Yu¹, Xianfeng Li^1,*, Lianpeng Sun², Jinjun Zhu², Jianxin Lin³

1 School of Computer Science and Engineering, Macau University of Science and Technology, Macau, 999078, China
2 School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, China
3 Guangdong AIKE Environmental Science and Technology Co., Ltd., Zhongshan, 528400, China

* Corresponding Author: Xianfeng Li. Email: