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Comparison of raster and Lissajous scans.
| Raster scan | Lissajous scan | |
|---|---|---|
| Typical number of A-lines | 512×512 | 1024 A-lines × 512 cycles |
| Scan time | 3.3 s | 5.2 s |
| Duty cycle | 80% | 100% |
| Artifacts before motion correction | Image gaps, distortion discontinuity by abrupt motion | Image blurring, and ghost image, by abrupt motion |
| Eye blink | Not robust | Robust |
| Residual artifacts after correction | NA | Small comb-like artifacts |
| Computational time | Fast | Around 70 m/volume |
