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User study summary on shapes from eight classes.
| Category | Ant | Chair | Horse | Hand | Armadillo | Human | Fish | Airplane |
|---|---|---|---|---|---|---|---|---|
| Ours | 3.07 | 3.33 | 2.8 | 2.93 | 2.47 | 3 | 3.2 | 3.2 |
| SKM | 1.33 | 2.93 | 2.6 | 1.2 | 1.8 | 2.67 | 2.2 | 1.5 |
| RW | 1.87 | 2.13 | 2.4 | 2.8 | 2.8 | 2.73 | 2 | 2.5 |
| RC | 3.73 | 1.6 | 2.2 | 3.07 | 2.93 | 1.6 | 2.6 | 2.8 |
