Journal of Korean Society for Geospatial Information Science (대한공간정보학회지)

Korea Spatial Information Society (대한공간정보학회)
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Accuracy Analysis of 3D Position of Close-range Photogrammetry Using Direct Linear Transformation and Self-calibration Bundle Adjustment with Additional Parameters

DLT와 부가변수에 의한 광속조정법을 활용한 근접사진측량의 3차원 위치정확도 분석

  • Kim, Hyuk Gil (Department of Civil & Environmental Engineering, Sungkyunkwan University) ;
  • Hwang, Jin Sang (School of Civil and Architectural Engineering, Sungkyunkwan University) ;
  • Yun, Hong Sic (School of Civil and Architectural Engineering, Sungkyunkwan University, Sungkyunkwan University)
  • 김혁길 (성균관대학교 건설환경시스템공학부) ;
  • 황진상 (성균관대학교 건축토목공학부) ;
  • 윤홍식 (성균관대학교 공과대학 건축토목공학부)
  • Received : 2015.04.22
  • Accepted : 2015.06.11
  • Published : 2015.06.30
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Abstract

In this study, the 3D position coordinates were calculated for the targets using DLT and self-calibration bundle adjustment with additional parameters in close-range photogrammetry. And then, the accuracy of the results were analysed. For this purpose, the results of camera calibration and orientation parameters were calculated for each images by performing reference surveying using total station though the composition of experimental conditions attached numerous targets. To analyze the accuracy, 3D position coordinates were calculated for targets that has been identically selected and compared with the reference coordinates obtained from a total station. For the image coordinate measurement of the stereo images, we performed the ellipse fitting procedure for measuring the center point of the circular target. And then, the results were utilized for the image coordinate for targets. As a results from experiments, position coordinates calculated by the stereo images-based photogrammetry have resulted out the deviation of less than an average 4mm within the maximum error range of less than about 1cm. From this result, it is expected that the stereo images-based photogrammetry would be used to field of various close-range photogrammetry required for precise accuracy.

본 연구에서는 근접사진측량의 DLT와 부가변수에 의한 광속조정법을 활용하여 타겟에 대한 3차원 위치좌표를 산출하고, 결과의 정확도에 대한 분석을 수행하였다. 이를 위하여 다수의 타겟이 부착된 실험환경을 구성하고, 토탈스테이션을 활용한 기준점측량을 수행하여 각 영상에 대한 카메라 캘리브레이션과 표정결과를 산출하였다. 정확도 분석을 위하여 스테레오 영상에서 동일하게 선점된 타겟에 대한 3차원 위치좌표 성과를 산출하고, 그 결과를 토탈스테이션으로 측정된 기준좌표와 비교하였다. 스테레오 영상에 대한 사진좌표 측정 시, 원형타겟에 대한 중심점을 측정하기 위한 타원 fitting 과정을 수행하고, 그 결과를 타겟에 대한 사진좌표로 활용하였다. 연구의 결과, 스테레오 영상 기반의 근접사진측량 방법으로 계산된 위치좌표는 약 1cm 미만의 최대 오차범위 내에서 평균 4mm 미만의 편차로 산출됨을 확인할 수 있었다. 이러한 결과를 통해 정밀한 정확도가 요구되는 다양한 근접사진측량 분야에 본 연구의 결과를 활용할 수 있을 것이라 판단된다.

Keywords

References

  1. Abel-Aziz, Y. I. and Karara, H. M., 1971, Direct linear transformation from comparator coordinates into object space coordinates, Proceedings of the ASP Symposium on Close-range Photogrammetry, ASP, pp. 1-18.
  2. Fraser, C. S., 1997, Digital camera self-calibration, ISPRS Journal of Photogrammetry and Remote Sensing, Vol. 52, Issue. 4, pp. 149-159. https://doi.org/10.1016/S0924-2716(97)00005-1
  3. Fitzgibbon, A., Pilu, M. and Fisher, R. B., 1999, Direct least square fitting of ellipses, IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 21, No. 5, pp. 476-480. https://doi.org/10.1109/34.765658
  4. Grussenmeyer, P. and Al Khalil, O., 2002, Solutions for exterior orientation in photogrammetry: a review, The photogrammetric record, Vol. 17, Issue. 100, pp. 615-634. https://doi.org/10.1111/j.1477-9730.2002.tb01907.x
  5. Han, M. and Kanade, T., 2001, Multiple motion scene reconstruction from uncalibrated views, Proceedings of the Eighth IEEE International Conference on Computer Vision, IEEE, Vol. 1, pp. 163-170.
  6. Jiandong, Z., Liyan, Z. and Xiaoyu, D., 2009, Accurate 3D target positioning in close range photogrammetry with implicit image correction, Chinese Journal of Aeronautics, Vol. 22, No. 6, pp. 649-657. https://doi.org/10.1016/S1000-9361(08)60154-5
  7. Jang, H. S., Seo, D. J. and Lee, J. C., 2003, Three-dimensional analysis of cultural heritages using non-metric digital video camera, Journal of the Korean Society for GeoSpatial Information System, Vol. 11, No. 4, pp. 13-19.
  8. Jeong, S., Lee, C. N. and Oh, J. H., 2005, Determination of physical camera parameters from DLT parameters, Journal of the Korean Society for GeoSpatial Information System, Vol. 13, No. 2, pp. 39-43.
  9. Jung, S., 2009, The analysis of 3-dimensional shape using non-metric cameras, Journal of the Korean Society for GeoSpatial Information System, Vol. 17, No. 2, pp. 91-99.
  10. Jung, S., 2011, Evaluation of long-term stability of interior orientation parameters of a non-metric camera, Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, Vol. 29, No. 3, pp. 283-291. https://doi.org/10.7848/ksgpc.2011.29.3.283
  11. Kim, H. G., Yun, H. S. and Cho, J. M., 2015, Analysis of 3D accuracy according to determination of calibration initial value in close-range digital photogrammetry using VLBI antenna and mobile phone camera, Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, Vol. 33, No. 1, pp. 31-43. https://doi.org/10.7848/ksgpc.2015.33.1.31
  12. Kim, J. S., Jin, C. G., Lee, S. K., Lee, S. G. and Choi, C. U., 2011, Geometric calibration and accuracy evaluation of smartphone camera, Journal of the Korean Society for GeoSpatial Information System, Vol. 19, No. 3, pp. 115-125.
  13. Mikhail, E. M., Bethel, J. S. and McGlone, J. C., 2001, Introduction to modern photogrammetry, John Wiley & Sons Inc., New York, N.Y., pp. 251-254.
  14. Park, K. S. and Choi, S. K., 2012, Evaluation of the quantitative practical use of smart phone stereo cameras, Journal of the Korean Society for GeoSpatial Information System, Vol. 20, No. 2, pp. 93-100. https://doi.org/10.7319/kogsis.2012.20.2.093
  15. Prakoonwit, S. and Benjamin, R., 2007, 3D surface point and wireframe reconstruction from multiview photographic images, Image and Vision Computing, Vol. 25, No. 9, pp. 1509-1518. https://doi.org/10.1016/j.imavis.2006.12.019
  16. Seo, D. J. and Lee, J. C., 2003, Analysis of precision according to photographing position in close-range digital photogrammetry, Journal of the Korean Society for GeoSpatial Information System, Vol. 11, No. 3, pp. 3-11.
  17. Zhang, Y., Zhang, Z. and Zhang, J., 2006, Automatic measurement of industrial sheetmetal parts with CAD data and non-metric image sequence, Computer Vision and Image Understanding, Vol. 102, No. 1, pp. 52-59. https://doi.org/10.1016/j.cviu.2005.09.002