Robust stitching method for borehole wall images under multi-interference imaging conditions

Table 1. Separation trend measure of Δy
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Table 1. Separation trend measure of Δy
采用ROI策略标准差四分位差峰度范围
否 0.852 1.129 0.120 5.040
是 0.592 0.645 -0.171 2.796

Table 2. Registration time of different ROI block parameter ms
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Table 2. Registration time of different ROI block parameter ms
Y X
1 2 3 4 5
1 61.52 46.29 47.00 42.02 39.80
2 48.62 38.69 38.88 39.39 43.04
3 40.51 40.90 26.27 32.14 31.53
4 38.88 40.44 33.93 31.23 29.38
5 35.92 32.27 28.10 29.19 30.27

Table 3. Experimental results of simulated image stitching

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Table 3. Experimental results of simulated image stitching

方法	指标	强纹理岩	沉积岩	苔藓岩	风化岩	泥土	树皮	混凝土	石壁	平均值	时间/ms
SIFT	SSIM	11.66%	13.98%	14.56%	17.95%	10.17%	13.96%	13.50%	11.88%	13.46%	10.14
	PSNR	11.23	11.31	11.41	11.37	10.21	9.91	10.47	10.63	10.82
	精度	18.05%	17.36%	19.01%	23.14%	20.47%	20.93%	17.86%	13.46%	18.79%
SIFT+ ROI	SSIM	27.14%	26.08%	15.78%	14.09%	18.28%	18.84%	18.18%	15.87%	19.28%	10.56
	PSNR	12.27	12.11	11.47	11.19	10.56	10.26	10.95	10.99	11.22
	精度	90.22%	81.81%	78.51%	73.55%	82.45%	80.23%	72.85%	86.53%	80.76%
Xfeat	SSIM	56.86%	49.47%	49.53%	57.02%	57.73%	64.21%	59.70%	63.40%	57.24%	221.84
	PSNR	14.70	13.91	13.96	14.53	14.04	14.18	14.24	14.77	14.29
	精度	45.86%	39.66%	30.57%	36.36%	30.99%	37.20%	35.71%	36.53%	36.61%
本文方法	SSIM	21.12%	25.74%	99.77%	67.97%	99.79%	85.47%	37.65%	56.69%	71.39%	18.17
	PSNR	12.05	12.24	37.55	15.77	37.28	17.61	12.42	13.17	26.74
	精度	92.48%	92.56	92.30%	92.39%	92.43%	92.44%	92.50%	92.14%	92.38%

Table 4. Effect comparison of image fusion methods
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Table 4. Effect comparison of image fusion methods
方法 EN SF AG MI $Q_{M I}$
改进前 3.003 4.550 1.523 3.003 0.423
改进后 5.350 5.350 1.689 5.459 0.776

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Qi LUO, Wangming XU, Yaoxiang LI, Yuhang ZHAO. Robust stitching method for borehole wall images under multi-interference imaging conditions[J]. Chinese Journal of Liquid Crystals and Displays, 2025, 40(6): 895

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