Fast Image Mosaic Algorithm Based on Area Blocking and BRISK

Fig. 3. Test images under (a1) and (a2) different lighting, (b1) and (b2) different rotation angles, (c1) and (c2) different resolutions, and (d1) and (d2) different scales conditions

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Fig. 4. Mosaic results of the four groups of images under (a) different lighting, (b) different rotation angles, (c) different resolutions, and (d) different scales conditions

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Fig. 5. Mosaic result of images with a small proportion in similar area. (a1) and (a2) Test images; (b) mosaic result

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Table 1. Comparison of mosaic time using different algorithms
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Table 1. Comparison of mosaic time using different algorithms
Fig. Mosaic time /s
BRISK Ref. [4] Proposed algorithm
3(a1,a2) 0.0853 0.3861 0.1326
3(b1,b2) 0.0749 0.5197 0.1715
3(c1,c2) 0.1721 0.1602 0.0663
3(d1,d2) 0.0644 0.2696 0.0987

Table 2. Comparison of matching correctness of different algorithms
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Table 2. Comparison of matching correctness of different algorithms
Fig. Matching correctness /%
BRISK Ref. [4] Proposed algorithm
3(a1,a2) 92.72 97.60 96.29
3(b1,b2) 91.87 98.52 92.59
3(c1,c2) 88.25 94.16 94.74
3(d1,d2) 93.58 96.56 95.45

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Ting Zhao, Hailin Kang, Zhengping Zhang. Fast Image Mosaic Algorithm Based on Area Blocking and BRISK[J]. Laser & Optoelectronics Progress, 2018, 55(3): 031005

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