Author Affiliations
College of Electrical Engineering, North China University of Science and Technology, Tangshan 063210, Hebei , Chinashow less
Fig. 1. Algorithm process
Fig. 2. House. (a) Original graph; (b) effect of histogram equalization; (c) effect of bilateral filtering; (d) effect of proposed algorithm
Fig. 3. Road. (a) Original graph; (b) effect of histogram equalization; (c) effect of bilateral filtering; (d) effect of proposed algorithm
Fig. 4. Trees. (a) Original graph; (b) effect of histogram equalization; (c) effect of bilateral filtering; (d) effect of proposed algorithm
Fig. 5. Three sets of original images to be stitched
Fig. 6. House. (a) Hamming distance; (b) K-D Tree and Hamming distance; (c) proposed algorithm
Fig. 7. Road. (a) Hamming distance; (b) K-D Tree and Hamming distance; (c) proposed algorithm
Fig. 8. Trees. (a) Hamming distance; (b) K-D Tree and Hamming distance; (c) proposed algorithm
Fig. 9. House. (a) Splicing graph based on K-D Tree and Hamming distance; (b) splicing graph based on proposed algorithm
Fig. 10. Road. (a) Splicing graph based on K-D Tree and Hamming distance; (b) splicing graph based on proposed algorithm
Fig. 11. Trees. (a) Splicing graph based on K-D Tree and Hamming distance; (b) splicing graph based on proposed algorithm
Experimental image | Evaluation function | Variance | Vollath | Entropic information | Average |
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House | Original | 89.83 | 92.07 | 87.07 | 89.66 | Histogram equalization | 98.39 | 95.70 | 100.00 | 98.54 | Bilateral filtering | 83.03 | 82.32 | 92.85 | 86.07 | Proposed | 100.00 | 100.00 | 97.25 | 98.57 | Road | Original | 68.48 | 81.60 | 93.34 | 81.51 | Histogram equalization | 83.83 | 100.00 | 100.00 | 94.61 | Bilateral filtering | 76.79 | 91.02 | 99.23 | 89.01 | Proposed | 100.00 | 89.65 | 94.53 | 94.72 | Trees | Original | 73.66 | 73.81 | 96.98 | 80.94 | Histogram equalization | 91.81 | 89.74 | 100.00 | 93.85 | Bilateral filtering | 86.32 | 88.83 | 99.59 | 91.58 | Proposed | 100.00 | 100.00 | 97.61 | 99.20 |
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Table 1. Evaluation results
Algorithm | Hamming distance | K-D Tree and Hamming distance | Proposed |
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House | 65.23 | 89.21 | 98.82 | Road | 65.52 | 79.62 | 97.61 | Trees | 55.87 | 87.93 | 98.15 | Average | 62.21 | 85.59 | 98.19 |
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Table 2. Matching correct rate P
Algorithm | K-D Tree and Hamming distance | Proposed |
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House | 3.4161 | 3.3686 | Road | 5.4302 | 5.2536 | Trees | 1.5601 | 1.5277 |
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Table 3. Splicing graph NIQE scores of two methods