Shun Yang, Kexin Kang, Fei Ma. Image Matching Algorithm Based on Gradient Information Descriptor[J]. Laser & Optoelectronics Progress, 2020, 57(14): 141022
- Laser & Optoelectronics Progress
- Vol. 57, Issue 14, 141022 (2020)
Fig. 1. Diagram of GM and GO
Fig. 2. Same orientation histograms constructed based on GM for four different subregions
Fig. 3. Same orientation histograms constructed based on GO for four different subregions
Fig. 4. Sample images of dataset. (a)(h) Fussy transformation; (b) zooming; (c) rotation; (d)(g) viewing transformation; (e) light; (f) JPEG compression
Fig. 5. Matching accuracy of dataset image pairs. (a) Bark; (b) Boat; (c) Graffti; (d) Wall; (e) Bikes; (f) Trees; (g) Leuven; (h) Ubc
Fig. 6. Runtime of dataset image pairs
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Table 1. Three-level normalization
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Table 2. Eight-level normalization
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Table 3. Test results of SND inhibition threshold
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