@article{endtoendsharedattentionestimationviagrou, title = {End-to-End Shared Attention Estimation via Group Detection with Feedback Refinement}, author = {Chihiro Nakatani and Norimichi Ukita and Jean-Marc Odobez}, year = {2026}, eprint = {2604.01714}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2604.01714}, }