Laser & Optoelectronics Progress, Volume. 61, Issue 8, 0837011(2024)
Fast Image-Stitching Algorithm of Dangerous Objects Under Vehicles
Figures & Tables(12)
Fig. 4. Three sets of images to be spliced. (a) Image group 1; (b) image group 2; (c) image group 3
Fig. 5. Image feature point matching renderings of four methods. (a) Image group 1; (b) image group 2
Fig. 7. Two images mosaic comparison experiment. (a) Image group 1; (b) image group 2; (c) image group 3
Table 1. Image feature point matching indexes of four algorithms in image group 1 and 2
View tableTable 1. Image feature point matching indexes of four algorithms in image group 1 and 2
Image group 1 Image group 2 Index SIFT SURF ORB Proposed algorithm SIFT SURF ORB Proposed algorithm Fpdt /s 0.491 0.672 0.361 0.342 0.376 0.501 0.354 0.318 Coamc 1425 2007 501 378 299 515 410 367 Cormc 1097 1709 435 349 203 354 253 289 Fpmt /s 1.194 1.290 0.237 0.223 0.264 0.634 0.089 0.076 Ma /% 76.98 85.15 86.82 92.33 67.89 68.73 61.70 78.74
Table 2. Experimental comparison of purification of feature points in image groups 1 and 2
View tableTable 2. Experimental comparison of purification of feature points in image groups 1 and 2
Image group 1 Image group 2 Index ORB+
RANSAC
ORB+
PROSAC
FAST+BIRSK+
RANSAC
Proposed algorithm ORB+
RANSAC
ORB+
PROSAC
FAST+BRISK+
RANSAC
Proposed algorithm Cormc 501 501 378 378 410 410 367 367 Amc 104 119 82 105 43 56 48 68 Fpur /% 20.76 23.75 21.69 27.77 10.48 13.65 13.07 18.52 Fprt /s 0.235 0.213 0.219 0.138 0.185 0.157 0.158 0.102
Table 3. Ablation experimental data
View tableTable 3. Ablation experimental data
Algorithm Fpdt /s Fpmt /s Ma /% Fpur /% St /s ①ORB 0.231 0.133 73.33 18.91 0.362 ②FAST+BRISK 0.189 0.085 86.54 ③FAST+BRISK+RANSAC 0.190 0.087 86.11 20.15 ④FAST+BRISK+PROSAC 0.189 0.086 87.82 25.58 ⑤FAST+BRISK+PROSAC+
Weighted average fusion
0.189 0.086 87.82 25.58 0.328 ⑥Proposed algorithm 0.189 0.086 87.82 25.58 0.297
Table 4. Two images' stitching experimental data
View tableTable 4. Two images' stitching experimental data
Image grouping Algorithm Is there any ghosting Visible stitching seams ERMSE Stitching time /s Image group 1 SIFT No Yes 2.06 1.715 SURF Yes Yes 2.08 1.719 ORB No Yes 1.91 0.759 Proposed algorithm No No 1.19 0.599 Image group 2 SIFT No Yes 2.42 0.765 SURF No Yes 1.95 0.751 ORB No Yes 2.19 0.486 Proposed algorithm No No 1.47 0.383 Image group 3 SIFT Yes Yes 1.87 1.248 SURF No Yes 2.08 1.381 ORB Yes No 1.75 0.362 Proposed algorithm No No 1.41 0.297
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Jianjun Zhuang, Xin Jin. Fast Image-Stitching Algorithm of Dangerous Objects Under Vehicles[J]. Laser & Optoelectronics Progress, 2024, 61(8): 0837011
Paper Information
Category: Digital Image Processing
Received: Jul. 3, 2023
Accepted: Aug. 8, 2023
Published Online: Apr. 2, 2024
The Author Email: Zhuang Jianjun (jjzhuang@nuist.edu.cn)
CSTR:32186.14.LOP231652
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