
Turning motion profiles into action images
The study converts multichannel wearable-IMU signals into time-warped action images. A CNN can then distinguish subtle high-speed Taekwondo unit actions that differ in timing and motion profile.
- Forty expert participants and sixteen unit actions
- 7,680 samples in the reported dataset
- 0.998 accuracy with 0.982 F1 score
Figure 1 from the linked open-access article (CC BY 4.0).






