Qiongnan Yang, Tianli Ma, Congkun Yang, Yan Wang. RANSAC Image Matching Algorithm Based on Optimized Sampling[J]. Laser & Optoelectronics Progress, 2020, 57(10): 101104
- Laser & Optoelectronics Progress
- Vol. 57, Issue 10, 101104 (2020)
Fig. 1. Flow chart of MFAST-SURF algorithm
Fig. 2. Principle of MFAST corner detection
Fig. 3. Determine the main direction of feature point
Fig. 4. Generation of SURF descriptors
Fig. 5. Flow chart of optimized sampling
Fig. 6. Determination of t
Fig. 7. Processing results of the two algorithms on the original image. (a) SIFT-RANSAC; (b) SIFT-OSRAC
Fig. 8. Processing results of two algorithms on rotated image. (a) SIFT-RANSAC; (b) SIFT-OSRAC
Fig. 9. Processing results of the two algorithms on the image of illumination change. (a) SIFT-RANSAC; (b) SIFT-OSRAC
Fig. 10. First group of images. (a) FAST-RANSAC; (b) MFAST-OSRAC; (c) SIFT-RANSAC
Fig. 11. Second group of images. (a) FAST-RANSAC; (b) MFAST-OSRAC; (c) SIFT-RANSAC
Fig. 12. Third group of images. (a) FAST-RANSAC; (b) MFAST-OSRAC; (c) SIFT-RANSAC
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Table 1. Matching accuracy and time of the two algorithms
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Table 2. Comparison of experimental results of three algorithms
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