Incremental Structure from Motion for Small-Scale Scenes Based on Auxiliary Calibration
Scarce feature points are a critical limitation affecting the accuracy and stability of incremental structure from motion (SfM) in small-scale scenes. In this paper, we propose an incremental SfM method for small-scale scenes, combined with an auxiliary calibration plate. This approach increases the...
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| Format: | Article |
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MDPI AG
2025-01-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/25/2/415 |
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| author | Sixu Li Jiatian Li Tao Yang Xiaohui A Jiayin Liu |
| author_facet | Sixu Li Jiatian Li Tao Yang Xiaohui A Jiayin Liu |
| author_sort | Sixu Li |
| collection | DOAJ |
| description | Scarce feature points are a critical limitation affecting the accuracy and stability of incremental structure from motion (SfM) in small-scale scenes. In this paper, we propose an incremental SfM method for small-scale scenes, combined with an auxiliary calibration plate. This approach increases the number of feature points in sparse regions, and we randomly generate feature points within those areas. At the same time, we obtain a coarse matching set of feature points using pairwise polar geometric constraints. The positional results from the geometric constraints of the calibration plate are then used to filter out high-precision matching points, thereby improving the accuracy of the three-dimensional reconstruction. Experimental results demonstrate that the proposed method achieves superior reconstruction completeness and accuracy. In three real-world experiments, the average re-projection errors were 0.5245, 0.4151, and 0.4996 pixels, outperforming competing methods. This approach ensures robust pose estimation and facilitates precise 3D reconstructions. |
| format | Article |
| id | doaj-art-1dd70eb874eb477c835cf08c7fa3eb68 |
| institution | Kabale University |
| issn | 1424-8220 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj-art-1dd70eb874eb477c835cf08c7fa3eb682025-01-24T13:48:51ZengMDPI AGSensors1424-82202025-01-0125241510.3390/s25020415Incremental Structure from Motion for Small-Scale Scenes Based on Auxiliary CalibrationSixu Li0Jiatian Li1Tao Yang2Xiaohui A3Jiayin Liu4Faculty of Land and Resources Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaFaculty of Land and Resources Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaFaculty of Land and Resources Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaFaculty of Land and Resources Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaFaculty of Land and Resources Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaScarce feature points are a critical limitation affecting the accuracy and stability of incremental structure from motion (SfM) in small-scale scenes. In this paper, we propose an incremental SfM method for small-scale scenes, combined with an auxiliary calibration plate. This approach increases the number of feature points in sparse regions, and we randomly generate feature points within those areas. At the same time, we obtain a coarse matching set of feature points using pairwise polar geometric constraints. The positional results from the geometric constraints of the calibration plate are then used to filter out high-precision matching points, thereby improving the accuracy of the three-dimensional reconstruction. Experimental results demonstrate that the proposed method achieves superior reconstruction completeness and accuracy. In three real-world experiments, the average re-projection errors were 0.5245, 0.4151, and 0.4996 pixels, outperforming competing methods. This approach ensures robust pose estimation and facilitates precise 3D reconstructions.https://www.mdpi.com/1424-8220/25/2/415auxiliary calibrationfeature enhancementmultiple constraintsstructure from motion (SfM) |
| spellingShingle | Sixu Li Jiatian Li Tao Yang Xiaohui A Jiayin Liu Incremental Structure from Motion for Small-Scale Scenes Based on Auxiliary Calibration Sensors auxiliary calibration feature enhancement multiple constraints structure from motion (SfM) |
| title | Incremental Structure from Motion for Small-Scale Scenes Based on Auxiliary Calibration |
| title_full | Incremental Structure from Motion for Small-Scale Scenes Based on Auxiliary Calibration |
| title_fullStr | Incremental Structure from Motion for Small-Scale Scenes Based on Auxiliary Calibration |
| title_full_unstemmed | Incremental Structure from Motion for Small-Scale Scenes Based on Auxiliary Calibration |
| title_short | Incremental Structure from Motion for Small-Scale Scenes Based on Auxiliary Calibration |
| title_sort | incremental structure from motion for small scale scenes based on auxiliary calibration |
| topic | auxiliary calibration feature enhancement multiple constraints structure from motion (SfM) |
| url | https://www.mdpi.com/1424-8220/25/2/415 |
| work_keys_str_mv | AT sixuli incrementalstructurefrommotionforsmallscalescenesbasedonauxiliarycalibration AT jiatianli incrementalstructurefrommotionforsmallscalescenesbasedonauxiliarycalibration AT taoyang incrementalstructurefrommotionforsmallscalescenesbasedonauxiliarycalibration AT xiaohuia incrementalstructurefrommotionforsmallscalescenesbasedonauxiliarycalibration AT jiayinliu incrementalstructurefrommotionforsmallscalescenesbasedonauxiliarycalibration |