activity
20242026
collaborators

6 papers

cs.CV2026

Self-Supervised Multi-View 3D Gaze Target Estimation via Probabilistic Ray Marching

Keqi Chen, Vinkle Srivastav, Nicolas Padoy

We present a self-supervised approach, Self-MVGTE, for estimating 3D gaze targets from multiple camera views. Unlike existing methods that independently estimate 2D gaze targets pe…

cs.CV2026

Where are they looking in the operating room?

Keqi Chen, Séraphin Baributsa, Lilien Schewski +5

Purpose: Gaze-following, the task of inferring where individuals are looking, has been widely studied in computer vision, advancing research in visual attention modeling, social sc…

cs.CV2026

Self-Supervised Uncalibrated Multi-View Video Anonymization in the Operating Room

Keqi Chen, Vinkle Srivastav, Armine Vardazaryan +3

Privacy preservation is a prerequisite for using video data in Operating Room (OR) research. Effective anonymization relies on the exhaustive localization of every individual; even…

cs.CV2025

Learning from Synchronization: Self-Supervised Uncalibrated Multi-View Person Association in Challenging Scenes

Keqi Chen, Vinkle Srivastav, Didier Mutter +1

Multi-view person association is a fundamental step towards multi-view analysis of human activities. Although the person re-identification features have been proven effective, they…

cs.CV2025

When do they StOP?: A First Step Towards Automatically Identifying Team Communication in the Operating Room

Keqi Chen, Lilien Schewski, Vinkle Srivastav +5

Purpose: Surgical performance depends not only on surgeons' technical skills but also on team communication within and across the different professional groups present during the o…

cs.CV2024

SelfPose3d: Self-Supervised Multi-Person Multi-View 3d Pose Estimation

Vinkle Srivastav, Keqi Chen, Nicolas Padoy

We present a new self-supervised approach, SelfPose3d, for estimating 3d poses of multiple persons from multiple camera views. Unlike current state-of-the-art fully-supervised meth…