Guofeng Tong, Yong Li, Nan Liu, Guangxu Ji. Mixed Feature Extraction and Matching for Large Affine Scene[J]. Acta Optica Sinica, 2017, 37(11): 1115003
- Acta Optica Sinica
- Vol. 37, Issue 11, 1115003 (2017)
Fig. 1. Flow chart of mixed feature extraction and matching algorithm
Fig. 2. ASIFT feature extraction of aerial image. (a) Original image; (b) ASIFT features
Fig. 3. MSER feature extraction of aerial image. (a) Original image; (b) MSER features; (c) improved MSER features
Fig. 4. Contrast of extreme value regions before and after simulated street view image screening. (a) Original image; (b) MSER features; (c) improved MSER features
Fig. 5. Contrast of extreme value regions before and after aerial image screening. (a) Original image; (b) MSER features; (c) improved MSER features
Fig. 6. Feature extraction and matching result of multi-feature fusion
Fig. 7. Aerial images and simulated street images of Northeastern University
Fig. 8. Contrast of correct matching numbers of large affine image with different algorithms
Fig. 9. Contrast of correct matching rates of large affine image with different algorithms
Fig. 10. Dense point cloud model of Northeastern University library joint space-ground modeling
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Table 1. Contrast of running time statistics of serial-parallel feature extraction
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