Pengnan Liu, Dongdong Xu, Chunmeng Bai. Scale-Invariant Feature Transform-Based Heterogeneous Image Registration Method[J]. Laser & Optoelectronics Progress, 2021, 58(24): 2410003
- Laser & Optoelectronics Progress
- Vol. 58, Issue 24, 2410003 (2021)
Fig. 1. Gaussian pyramid and Gaussian difference pyramid
Fig. 2. Schematic diagram of extreme point detection
Fig. 3. Experiment results of edge and point feature extraction. (a) Original image; (b) phase consistency method; (c) Sobel; (d) Canny
Fig. 4. Generation of descriptors in SIFT algorithm
Fig. 5. 2×2+2 sub areas proposed in this paper
Fig. 6. Rotation process of different shapes
Fig. 7. Experiment results of feature point extraction. (a) Proposed method; (b) SIFT; (c) SAR-SIFT; (d) PRO-SIFT
Fig. 8. Feature matching results. (a)(b) Proposed method; (c)(d) SIFT; (e)(f) SAR-SIFT; (g)(h) PRO-SIFT
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Table 1. Comparison of matching results of 9 kinds of NIR and VIS images
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