Calibration-Free Surface Normals Estimation in Vision-Based Tactile Sensing using Universal Photometric Stereo
This work proposes a calibration-free procedure for the estimation of contact surface normals using Universal Photometric Stereo neural networks, and demonstrates that with sufficient illumination settings surface normals could be estimated using a model trained solely on synthetic data.
Zdravko Dugonjic, Stefanie Speidel, Roberto Calandra
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