Capturing Tactile Properties of Real Surfaces for Haptic Reproduction
summary
An end-to-end pipeline captures and reproduces stable microgeometry from real fabrics using a transparent elastomer, aluminum powder and a calibrated bench with RGB LEDs plus a macro camera to produce a height map via single-image photometric capture. The team digitizes 15 fabric samples and fabricates 3D printed replicas, then runs a psychophysical study with 20 participants. Results show replicas shift perceived material (wood/stone/plastic) and differ on hardness and hairiness while covering a wide tactile gamut.
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