activity
20222025
most citedSurgRIPE challenge: Benchmark of Surgical Robot Instrument Pose Estimation

7 citations · 13 across the 6 of their papers we have counts for

collaborators

6 papers

cs.CV2025

SAMSA 2.0: Prompting Segment Anything with Spectral Angles for Hyperspectral Interactive Medical Image Segmentation

Alfie Roddan, Tobias Czempiel, Chi Xu +2

We present SAMSA 2.0, an interactive segmentation framework for hyperspectral medical imaging that introduces spectral angle prompting to guide the Segment Anything Model (SAM) usi…

cs.CV2025★ 2 cited

Explainable Image Classification with Reduced Overconfidence for Tissue Characterisation

Alfie Roddan, Chi Xu, Serine Ajlouni +3

The deployment of Machine Learning models intraoperatively for tissue characterisation can assist decision making and guide safe tumour resections. For image classification models,…

cs.CV2025★ 1 cited

SAMSA: Segment Anything Model Enhanced with Spectral Angles for Hyperspectral Interactive Medical Image Segmentation

Alfie Roddan, Tobias Czempiel, Chi Xu +2

Hyperspectral imaging (HSI) provides rich spectral information for medical imaging, yet encounters significant challenges due to data limitations and hardware variations. We introd…

cs.CV2025★ 7 cited

SurgRIPE challenge: Benchmark of Surgical Robot Instrument Pose Estimation

Haozheng Xu, Alistair Weld, Chi Xu +16

Accurate instrument pose estimation is a crucial step towards the future of robotic surgery, enabling applications such as autonomous surgical task execution. Vision-based methods…

cs.CV2023★ 3 cited

Regularising disparity estimation via multi task learning with structured light reconstruction

Alistair Weld, Joao Cartucho, Chi Xu +2

3D reconstruction is a useful tool for surgical planning and guidance. However, the lack of available medical data stunts research and development in this field, as supervised deep…

cs.CV2022

Self-Supervised Depth Estimation in Laparoscopic Image using 3D Geometric Consistency

Baoru Huang, Jian-Qing Zheng, Anh Nguyen +6

Depth estimation is a crucial step for image-guided intervention in robotic surgery and laparoscopic imaging system. Since per-pixel depth ground truth is difficult to acquire for…