Abstract Accurate geometric calibration is a prerequisite for metric 3D reconstruction from stereo endoscopes, but practical deployment is complicated by non-standard optics (e.g., angled views), strong lens distortion, and clinically realistic image artifacts such as specularities and low texture. We present and evalu...
Linus L. Kienle, Sophie Beckmann, Niklas Freund et al.· Current Directions in Biomed...· 0 citations
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
Scene reconstruction with 3D Gaussian Splatting (3DGS) has become common, however deployment remains painful as the uncompressed file sizes can be massive. Current 3DGS compression systems combine multiple strategies for file size reduction, which can obscure where gains come from and limit component reuse across train...
W. Morgenstern, Friedrich Elias Branschke, F. Fleischmann et al.· 0 citations
This work fusing lower-face video with facial electromyography from the occluded upper face to classify seven emotional categories, demonstrating that upper-face EMG provides robust complementary information under HMD-induced visual occlusion and establishing a foundation for multimodal emotion recognition in naturalis...
Birgit Nierula, Karam Tomotaki-Dawoud, M. Akguel et al.· 1 citation
Qualitative evaluations on heterogeneous medical spectral acquisition systems demonstrate the practical relevance of the proposed training data augmentation protocol as an enabler for spatially coherent spectral fusion in HSI workflows.
E. Wisotzky, Jost Triller, Simon W. Härtl et al.· 0 citations
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