Author

Peter Eisert

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Preprint Aug 2026

RIPE++: Reinforced Keypoint Learning from Positive Pairs Only

Sparse keypoint extraction and matching underpin core tasks in geometric computer vision, including structure-from-motion, visual SLAM, augmented reality, and medical image registration. Learning robust local feature representations, however, typically requires accurate camera poses or depth supervision, which are ofte...

Johannes Künzel, Peter Eisert, A. Hilsmann · 0 citations

#computer vision Preprint Sep 2026

Occlusion-Robust Multimodal Emotion Recognition in VR via Fusion of Facial Images and EMG

Head-mounted displays (HMDs) fundamentally limit emotion recognition in virtual reality (VR): by occluding the upper face, they render conventional image-based facial expression analysis incomplete, particularly for applications requiring real-time affective assessment. We address this challenge by fusing lower-face vi...

Birgit Nierula, Karam Tomotaki-Dawoud, M. Akguel et al. · 1 citation