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논문 기본 정보

자료유형
학술저널
저자정보
Jang, Hyo Seon (Yonsei University) Kim, Sang Kyun (Yonsei University) Lee, Ji Sang (Yonsei University) Yoo, Su Hong (Yonsei University) Hong, Seung Hwan (Stryx) Kim, Mi Kyeong (Agency for Defense Development) Sohn, Hong Gyoo (Yonsei University)
저널정보
한국측량학회 한국측량학회지 한국측량학회지 제38권 제5호
발행연도
2020.10
수록면
477 - 486 (10page)

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초록· 키워드

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Drone has been widely used for many applications ranging from amateur and leisure to professionals to get fast and accurate 3-D information of the surface of the interest. Most of commercial softwares developed for this purpose are performing automatic matching based on SIFT (Scale Invariant Feature Transform) or SURF (Speeded-Up Robust Features) using nadir-looking stereo image sets. Since, there are some situations where not only nadir and nadir-looking matching, but also nadir and oblique-looking matching is needed, the existing software for the latter case could not get good results. In this study, a matching experiment was performed to utilize images with differences in geometry. Nadir and oblique-looking images were acquired through drone for a total of 2 times. SIFT, SURF, which are feature point-based, and IMAS (Image Matching by Affine Simulation) matching techniques based on affine transformation were applied. The experiment was classified according to the identity of the geometry, and the presence or absence of a building was considered. Images with the same geometry could be matched through three matching techniques. However, for image sets with different geometry, only the IMAS method was successful with and without building areas. It was found that when performing matching for use of images with different geometry, the affine transformation-based matching technique should be applied.

목차

Abstract1. Introduction
1. Introduction
2. Methodology
3. Study Area and Data Acquisition
4. Results and Discussion
5. Conclusion
References

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