# Surface-Free Multi-Stroke Trajectory Reconstruction and Word Recognition Using an IMU-Enhanced Digital Pen

> Research article (Sensors, 2022) · cited 17× · AI/ML

**Wikidata**: [openalex:W4285802315](https://www.wikidata.org/wiki/openalex:W4285802315)  
**Source**: https://4ort.xyz/entity/surface-free-multi-stroke-trajectory-reconstruction-and-word-recognition-using-an-imu-enhanced-digital-pen