Texas State University

Ph.D. Student in Computer Science (Advisor: Chul-Ho Lee)

Machine Learning Systems, Graph Neural Networks

China University of Geosciences

M.Eng. in Electronic and Information (Advisor: Longsheng Wei)

Computer Vision, Image Quality Assessment

Hubei University of Technology

B.Eng. in Electrical Engineering and Automation

A Pavement Crack Segmentation Method Based on Deformable Convolution and Enhanced Perceive Network. [Paper]

Lei Zhao, Longsheng Wei, Zhi Ma, Zhiheng Liu. Multimedia Tools and Applications, 84(19):20995-21016.

• Designed the network structure based on DCN and customized UperNet.
• Reduced the UperNet layers and simplified the PPM head for local texture details.
• Adopted deformable convolution for strip-like pavement cracks.
• Fused features from different heads with trainable channel weights.

Single Human Parsing Based on Visual Attention and Feature Enhancement. [Paper]

Zhi Ma, Lei Zhao, Longsheng Wei. Journal of Advanced Computational Intelligence and Intelligent Informatics, 27(4):561-566.

• Designed the network structure based on Cross-Attention and ResNet-101.
• Added an edge sensing module for better edge perception.

Reduced Reference Quality Assessment for Image Retargeting by Earth Mover's Distance. [Paper]

Longsheng Wei, Lei Zhao, Jian Peng. Applied Sciences, 11(20):9776.

• Designed the network structure based on SIFT and saliency features.

Building Low-Cost High-Performance GPU Computing Servers for Laboratory

• Purchased and assembled hardware including motherboard, PSU, RAM, GPU, PCIe splitter, SSD, and HDD.
• Installed Xubuntu and configured CUDA, Docker, proxy rules, NAT traversal, and X11 forwarding.
• Set up a dataset server and shared directory with NFS.
• Created Dockerfiles for frequently used environments.
• Benchmarked hardware combinations across CPU families, PCIe lanes, PCIe generations, and NVIDIA GPUs.
• Tuned performance with htop, nvtop, iotop, top, bcache, and swap.

EEG and EOG based Real-Time Driver Fatigue Detection [GitHub]

China Graduate Electronics Design Contest

• Developed a module to translate MATLAB data to Python pickle dumps.
• Designed a CNN-based network to fuse EEG and EOG features for real-time driver fatigue detection.
• Prepared slides and poster for demonstration.

A Malfunction Detection System for Guangzhou Metro System

• Developed image preprocessing to combine original images and generate target-area images.
• Adopted YOLOv5 and Fast R-CNN in the malfunction detection process.
• Developed a module to fuse recognition results and provide a Flask API.
• Composed Docker Compose files for instant deployment across frontend, backend, and database modules.

Wuhan Stack Tech Co., Ltd.

Founder, Developer

• Developed websites, Chrome extensions, and WeChat applets.

Ericsson

Radio Access Network Engineer

• Worked on system integration, network optimization, and signal analysis.
• Verified features against 3GPP specifications.

HGDonline.net Coding Club

Web Developer

• Participated in the revision of the university BBS.
• Developed 59score by reverse-engineering the undergraduate registrar system, enabling students to check grades.