Tessutivo: Contextual Interactions on Interactive Fabrics with Inductive Sensing
summary
Tessutivo implements contact-based inductive sensing on textiles using a grid of 6x6 spiral coils stitched with LIBERATOR 40 silver-plated thread into a 4-layer fabric structure. The system extracts 81 location- and orientation-invariant features from coil inductance footprints, classifies with a random forest, and recognizes 27 everyday conductive objects in a ten-participant study with 93.9% real-time accuracy. Prototype demos show phones, keys, coins and instrumented non-conductive items working; limits include required contact, reduced softness from dense stitching, and sensitivity to fabric deformation.
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chapters (15)
- 0:00Introduction and Motivation
- 1:08Interactive fabrics background
- 2:33Inductive sensing principle
- 4:20Coil fabrication process
- 6:31Coil design considerations
- 7:37Prototype and system setup
- 8:00Real-time object recognition
- 9:24Demo small conductive objects
- 10:05Demo large and patterned objects
- 10:47Object manipulation examples
- 11:29User study and evaluation
- 12:10Conceptual demo applications
- 14:01Future work directions
- 14:44Conclusion and takeaways
- 15:31Q&A session
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