Yujun Liu (刘育俊) | Shenzhen University

About Me

My name is Yujun Liu, a native of Shanghang County, Longyan City, Fujian Province. I am currently a second-year Ph.D. student in the School of Architecture and Urban Planning at Shenzhen University, under the supervision of Prof. Ruisheng Wang, I eamed both my Master’s (2021-2024) and Bachelor’s (2017-2021) degrees from the School of Computer Engineering at Jimei University, advised by Prof. Guorong Cai and Prof. jinhe Su.

Research Interests

Computer Vision: Object Detection, Stereo Matching, Foundation Models
Remote Sensing: Point Clouds, Building Reconstruction, GeoAI
Please feel free to contact me if you’re interested in relevant research or would like to discuss potential collaborations!

News

[Jul. 2026] Our paper about building footprint extraction is accepted to IEEE JSTARS.
[Feb. 2026] Our paper about building reconstruction is accepted to CVPR 2026.
[Jan. 2026] Our paper about building reconstruction is accepted to ICASSP 2026.
[Sept. 2025] LiDAR 2025 (Wuhan): Outstanding Paper Award.
[Jun. 2025] CVPR 2025 Workshop: Building3D Competition THIRD PLACE AWARD.
[Feb. 2025] Our paper about building reconstruction is accepted to CVPR 2025.
[Jun. 2024] CVPR 2024 Workshop: Building3D Competition SECOND PLACE AWARD.
[Jan. 2024] Our paper about stereo matching is accepted to IEEE TITS.

Publications

JSTARS

PCFootprint: A Large-Scale Dataset and Benchmark for Vectorized Building Footprint Extraction from Aerial LiDAR Point Clouds

Haoyuan Shen, Kuihao Wang, Ruisheng Wang*, Yujun Liu*

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (JSTARS), 2026.

PDF Code JCR Q1, IF=6.3

CVPR

Edges Compete for Trust: Group Relative Edge Optimization for Building Reconstruction from Point Clouds

Yujun Liu, Ruisheng Wang*, Xiang Ao, Haoyuan Shen, Kuihao Wang, Kun Zhou, Qingquan Li

IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2026.

PDF Code CCF-A

ICASSP

Dynamic Intra-Inter Partition Learning for Building Reconstruction from Point Clouds

Xiang Ao, Ruisheng Wang*, Yujun Liu*, Nan Wang, Jinqun Xiao, Pituan Wu, Peicheng Zhou, Xian Qin

IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2026.

PDF Code CCF-B

CVPR

EdgeDiff: Edge-aware Diffusion Network for Building Reconstruction from Point Clouds

Yujun Liu, Ruisheng Wang*, Shangfeng Huang, Guorong Cai

IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2025.

PDF Code CCF-A

TITS

Guard-Net: Lightweight Stereo Matching Network via Global and Uncertainty-Aware Refinement for Autonomous Driving

Yujun Liu, Xiangchen Zhang, Yang Luo, Qiaoqiao Hao, Jinhe Su, Guorong Cai*

IEEE Transactions on Intelligent Transportation Systems (TITS), 2024.

PDF Code CCF-B, IF=7.9

TGRS

CSFNet: Cross-modal Semantic Focus Network for Semantic Segmentation of Large-Scale Point Clouds

Yang Luo, Ting Han, Yujun Liu, Jinhe Su, Yiping Chen, Jinyuan Li, Yundong Wu, Guorong Cai*

IEEE Transactions on Geoscience and Remote Sensing (TGRS), 2025.

PDF Code CCF-B, IF=7.9

ICASSP

Edge First: Edge-Guided Geometry for Superior 3D Roof Wireframe Reconstruction

Qiaoqiao Hao, Ting Han, Yujun Liu, Shangfeng Huang, Duxin Zhu, Jinhe Su, Yundong Wu, Guorong Cai*

IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2025.

PDF Code CCF-B

IVC

Giving Loss a Personal Course: Universal Loss Reweighting to Improve Stereo Matching via Uncertainty Guidance

Yujun Liu, Xiangchen Zhang, Qiaoqiao Hao, Yang Luo, Jinhe Su, Guorong Cai*

Image and Vision Computing, 2024.

PDF Code JCR Q1

CPE

AAEE‐Net: Attention‐guided Aggregation and Error‐aware Enhancement Network for Accurate and Efficient Stereo Matching

Yujun Liu, Xiangchen Zhang, Jinhe Su, Guorong Cai*

Concurrency and Computation: Practice and Experience, 2023.

PDF Code CCF-C

Honors and Awards

International Competitions

2nd Place Award, 1st Building3D Challenge, CVPR Workshop, 2024
3rd Place Award, 2nd Building3D Challenge, CVPR Workshop, 2025

Academic Honors

LiDAR 2025 (Wuhan): Outstanding Paper Award, China LiDAR Professional Committee, 2025
Outstanding Master’s Thesis Award (Top 4%), Jimei University, 2024
Outstanding Master’s Graduate Student Award (Top 8%), Jimei University, 2024
Merit Student Award (Top 5%), Jimei University, 2023

National Scholarships

China National Scholarship (highest scholarship given by the government of China), Ministry of Education, 2023

Services

Conference Reviewers

The Association for the Advancement of Artificial Intelligence 2027 (AAAI 2027)

The IEEE/CVF Conference on Computer Vision and Pattern Recognition 2026 (CVPR 2026)

The 18th European Conference on Computer Vision (ECCV 2026)

The 7th, 8th, and 9th Chinese Conference on Pattern Recognition and Computer Vision (PRCV 2024, 2025, and 2026)

Journal Reviewers

IEEE Transactions on Intelligent Transportation Systems (TITS)

IEEE Transactions on Circuits and Systems for Video Technology (TCSVT)