Available

Longfei Liu

AI Researcher & Algorithm Engineer

I obtained my master's degree in Applied Statistics from Guilin University of Electronic Technology. Together with Dr. Xi Shen, I focus on computer vision research, particularly edge-based vision algorithms for resource-constrained environments.

News

Mar 2026

EdgeCrafter is now available on arXiv, where it achieves state-of-the-art performance in real-time object detection, human pose estimation, and instance segmentation.

Feb 2026

FSOD-VFM has been accepted by ICLR 2026.

Sep 2025

We have released our technical report, DEIMv2, on arXiv, achieving state-of-the-art performance on the COCO detection.

Sep 2024

We have released our paper: COCO-FP on arXiv. Our proposed dataset is available here.

Selected Research

^* Equal contribution ^‡ Project Leader ⁺ Corresponding author

EdgeCrafter: Compact ViTs for Edge Dense Prediction via Task-Specialized Distillation

Longfei Liu^*^‡, Yongjie Hou^*, Yang Li^*, Qirui Wang^*, Youyang Sha, Yongjun Yu, Yinzhi Wang, Peizhe Ru, Xuanlong Yu⁺, Xi Shen⁺

arXiv 2026

Code ... Project Page

FSOD-VFM: Few-Shot Object Detection with Vision Foundation Models and Graph Diffusion

Chen-Bin Feng^*, Youyang Sha^*, Longfei Liu, Yongjun Yu, Chi Man Vong⁺, Xuanlong Yu⁺, Xi Shen⁺

ICLR 2026

Code ... Project Page

Real-Time Object Detection Meets DINOv3

Shihua Huang^*, Yongjie Hou^*, Longfei Liu^*, Xuanlong Yu, Xi Shen⁺

arXiv 2025

Code ... Project Page

From COCO to COCO-FP: A Deep Dive into Background False Positives for COCO Detectors

Longfei Liu, Wen Guo, Shihua Huang, Cheng Li, Xi Shen⁺

arXiv 2024

Code ... Project Page

Experience & Misc

Jul 2025: Joined Intellindust as an Algorithm Engineer, continuing to work with Dr. Xi Shen.

Sep 2024: Started internship at Intellindust, supervised by Dr. Xi Shen and Dr. Cheng Li.