Research Article
Geometric Evaluation of Mobile-Phone Camera Images for 3D Information
Table 4
Results of self-calibration of the Galaxy S4 camera for target-based and targetless cases.
| Case | Focal length, c () mm | x0 () mm | y0 () mm | r = 1.50 mm μm | r = 2.50 mm μm | P (r) r = 1.50 mm μm | P (r) r = 2.50 mm μm | RMS No. of pts |
| Target-based | 4.2100 (0.0010) | 0.0623 (0.0018) | −0.0295 (0.0016) | −15.82 | −26.09 | 0.32 | 0.88 | 0.33 pixel 75 | Targetless | 4.2120 (0.0005) | 0.0613 (0.0003) | −0.0283 (0.0003) | −14.91 | −22.01 | 0.38 | 1.07 | 0.60 pixel 32000 |
|
|