CONF Gupta_CVPRW_2026/IDIAP Learning Ego-Exo Visual Representations for Conversational Gaze Estimation Gupta, Anshul Qian, Yijun Gao, Ruohan Ananthabhotla, Ishwarya Odobez, Jean-Marc Krishna Ithapu, Vamsi Murdock, Calvin EXTERNAL https://publications.idiap.ch/attachments/papers/2026/Gupta_CVPRW_2026.pdf PUBLIC Conference on Computer Vision and Pattern Recognition Workshops 2026