Table 3 Left camera lens distortion parameters
Parameter | True value | COL | SRE1 | SRE2 |
|---|---|---|---|---|
Δf (px) | −2 | −1.825 | −2.713 | −2.318 |
±0.438 | ±0.875 | ±0.417 | ||
Δx 0 (px) | 2.5 | 2.393 | 2.665 | 2.432 |
±0.230 | ±0.309 | ±0.142 | ||
Δy 0 (px) | −3 | −3.232 | −2.851 | −3.061 |
±0.219 | ±0.266 | ±0.122 | ||
k 1 (px−2) | 5.0e−7 | 5.03e−07 | 5.07e−07 | 5.06e−07 |
±6.47e−09 | ±6.97e−09 | ±3.21e−09 | ||
k 2 (px−4) | 4.0e−13 | 7.16e−14 | 6.49e−13 | 3.92e−13 |
±1.03e−13 | ±1.04e−13 | ±4.75e−14 | ||
k 3 (px−6) | 4.5e−19 | 1.78e−18 | 4.89e−18 | 3.72e−18 |
±4.86e−19 | ±4.89e−19 | ±2.20e−19 |