notesum.ai
Published at December 6KNN-MMD: Cross Domain Wi-Fi Sensing Based on Local Distribution Alignment
cs.CV
cs.AI
eess.SP
Released Date: December 6, 2024
Authors: Zijian Zhao1, Zhijie Cai, Tingwei Chen, Xiaoyang Li, Hang Li, Guangxu Zhu
Aff.: 1Shenzhen Research Institute of Big Data, Shenzhen 518115, China, and School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China

| Method | Scenario | Gesture Recognition | People Identification | Fall Detection | Action Recognition | Average Accuracy |
| Resnet18[29] | in-domain | 80.75% | 86.75% | 91.88% | 70.50% | 82.47% |
| zero-shot | 40.84% | 70.50% | 59.86% | 26.00% | 49.30% | |
| Siamese[12] | one-shot | 70.40% | 82.87% | 60.62% | 38.95% | 63.21% |
| AutoFi (MLP-based)[44] | one-shot | 24.62% | 24.71% | 50.88% | 23.59% | 30.95% |
| AutoFi (CNN-based)[44] | one-shot | 27.05% | 36.14% | 48.05% | 26.95% | 34.55% |
| Yang et al.[24] | one-shot | 67.21% | 74.22% | 59.75% | 48.52% | 62.43% |
| Ding et al.[45] | one-shot | 39.14% | 70.94% | 61.56% | 30.37% | 50.50% |
| CrossFi[16] | one-shot | 91.72% | 93.01% | 80.93% | 49.62% | 78.82% |
| KNN [30] | one-shot | 83.02% | 82.67% | 49.63% | 46.87% | 65.55% |
| KNN-MMD (Ours) | one-shot | 93.26% | 81.84% | 77.62% | 75.30% | 82.01% |
| Ablation Study | one-shot | 69.87% | 73.78% | 84.03% | 74.06% | 75.44% |
| MMD[17] | zero-shot | 47.92% | 67.25% | 74.32% | 45.61% | 58.75% |
| MK-MMD[18] | zero-shot | 40.36% | 66.47% | 72.26% | 43.72% | 55.70% |
| DANN[35] | zero-shot | 41.41% | 67.18% | 74.06% | 35.99% | 54.66% |
| ADDA[46] | zero-shot | 42.71% | 65.43% | 62.81% | 36.08% | 51.76% |
| GFK+KNN[33] | zero-shot | 30.79% | 51.50% | 53.72% | 34.17% | 42.55% |
| CrossFi[16] | zero-shot | 64.81% | 72.79% | 74.38% | 40.46% | 63.11% |
| Tian et al.[41] | zero-shot | 68.13% | 55.86% | 61.72% | 42.10% | 56.95% |
| EEG[42] | zero-shot | 59.75% | 64.63% | 69.53% | 42.15% | 59.02% |