基于显著性的多波段图像同步融合方法

余东; 蔺素珍; 禄晓飞; 李大威; 王彦博

基于显著性的多波段图像同步融合方法

1.
中北大学大数据学院, 山西太原 030051
2.
酒泉卫星发射中心, 甘肃酒泉 735305
3.
中北大学电气与控制工程学院, 山西太原 030051

详细信息

作者简介:
余东（1995-），男，硕士研究生，研究方向为图像融合，E-mail：844913898@qq.com

通讯作者:
蔺素珍（1966-），女，教授，博士，硕士生导师，研究方向为红外弱小目标检测，图像融合，E-mail：lsz@nuc.edu.cn

中图分类号: TP391.41
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出版历程
- 收稿日期: 2022-03-15
- 修回日期: 2022-04-24
- 刊出日期: 2022-10-19

Saliency-based Multiband Image Synchronization Fusion Method

1.
College of Big Data, North University of China, Taiyuan 030051, China
2.
Jiuquan Satellite Launch Center, Jiuquan 735305, China
3.
College of Electrical and Control Engineering, North University of China, Taiyuan 030051, China

摘要

摘要: 针对多波段融合图像存在对比度低、显著目标不突出的问题，本文提出了一种基于显著性的多波段图像同步融合方法。首先，近红外图像被用来作为数据保真项，红外图像和可见光图像分别为融合结果提供红外显著信息和细节信息；其次，基于视觉显著的红外显著区域提取方法被用来构造权重图，以克服融合结果显著区域不突出和边缘模糊问题；最后，采用交替方向乘子法（alternating direction method of multipliers, ADMM）来求解模型，得到融合结果。研究结果表明，较于代表性图像融合算法，所提算法能在保留红外图像热辐射信息的同时，保有较好的清晰细节，并在多项客观评价指标上优于代表性算法。
- 图像融合 /
- 多波段图像 /
- 显著性 /
- 全变分
Abstract: To address the problem of low contrast and inconspicuous salient objects in multi-band image fusion, this paper presents a saliency-based multiband image synchronous fusion method. First, a near-infrared image was used as a data fidelity item, and infrared and visible light images provided salient and detailed information on the results of fusion, respectively. Second, a visual saliency-based infrared salient region extraction method was used to construct a weight map to overcome unsalient regions and blurred edges in the results of fusion. Finally, the alternating direction method of multipliers (ADMM) was used to solve the model and obtain the results of fusion. The research results showed that, compared with a representative image fusion algorithm, the proposed algorithm retained the thermal radiation information of the infrared image while retaining clearer details, and was better in many objective evaluation indicators.
- image fusion /
- multi-band images /
- saliency /
- total variation

HTML全文

图 1 显著区域权重图和背景区域权重图

Figure 1. Salient area weight map and background area weight map

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图 2 不同w₁和w₂取值融合结果

Figure 2. Fusion results of different w₁ and w₂ values

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图 3 “Kaptein_1123”图像融合结果

Figure 3. Fusion results on "Kaptein_1123" image

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图 4 “Movie_01”图像融合结果

Figure 4. Fusion results on "Movie_01" image

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图 5 “soldier_behind_smoke”图像融合结果

Figure 5. Fusion results on "soldier_behind_smoke" image

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图 6 “Marne_04”图像融合结果

Figure 6. Fusion results on "Marne_04" image

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图 7 “Marne_06”图像融合结果

Figure 7. Fusion results on "Marne_06" image

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表 1 图 2中虚线区域客观评价指标

Table 1 The quantitative comparisons of the region surrounded by the dotted line in Fig. 2

$ {w_1} $	$ {w_2} $	EN	C	PSNR	SSIM	CC	AG	MI
0.5	0.1	6.891	26.469	38.267	0.265	0.436	2.972	5.784
	0.5	6.893	26.083	38.565	0.329	0.435	2.417	5.501
	0.7	6.910	25.882	38.692	0.357	0.433	2.227	5.309
0.7	0.5	6.767	23.654	39.580	0.319	0.439	3.281	5.185
	0.7	6.813	24.208	39.417	0.346	0.437	3.194	5.047
	1.3	6.887	24.928	39.018	0.421	0.431	2.966	4.656
1.3	0.7	6.320	16.222	34.579	0.289	0.434	2.622	4.445
	1.3	6.444	17.739	36.047	0.366	0.432	2.515	4.225
	2	6.579	19.452	37.359	0.439	0.426	2.495	3.963
2	1.3	6.003	11.476	29.331	0.270	0.414	2.138	3.814
	2	6.128	12.831	30.582	0.336	0.415	2.096	3.648
	2.5	6.217	13.862	31.478	0.380	0.413	2.095	3.532
2.5	2	5.895	10.012	27.508	0.272	0.399	1.944	3.453
2.5	2.5	5.978	10.794	28.226	0.310	0.401	1.932	3.362

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表 2 各算法评价指标

Table 2 Evaluation indexes of ten algorithms

Image	Metrics	GTF	DTCWT	NSST_NSCT	ADF	MDDR	Dual Branch	U2Fusion	Fusion GAN	Proposed
Kaptein_1123	SD	37.34	39.87	35.41	38.04	50.55	24.34	41.50	27.98	45.95
	EN	6.94	6.89	6.83	6.79	7.20	6.48	7.04	6.33	7.24
	C	23.93	28.41	25.16	27.39	36.39	17.55	30.57	15.44	33.39
	MI	3.38	2.96	2.57	3.36	3.29	2.61	2.58	3.43	3.50
	SSIM	0.45	0.43	0.44	0.48	0.53	0.21	0.37	0.20	0.57
	SF	7.08	9.55	10.30	5.91	8.42	4.79	11.56	3.94	7.64
Movie_01	SD	39.01	34.80	31.53	33.79	40.70	17.11	35.43	23.50	51.44
	EN	6.77	6.49	6.39	6.35	6.51	5.98	6.94	5.95	6.84
	C	31.05	23.52	20.65	22.91	26.77	12.89	23.99	13.92	35.06
	MI	5.03	3.94	3.27	4.58	3.72	2.87	2.88	3.54	4.47
	SSIM	0.16	0.19	0.21	0.32	0.32	0.05	0.19	0.10	0.53
	SF	3.32	9.77	10.13	10.27	7.13	4.44	11.73	2.64	5.30
soldier_behind_smoke	SD	42.88	27.90	24.89	26.18	30.61	35.13	35.26	24.93	45.24
	EN	7.26	6.74	6.61	6.62	6.92	6.97	7.14	6.35	7.35
	C	32.82	21.48	18.09	20.82	24.36	26.46	28.03	15.37	35.74
	MI	3.48	2.51	1.86	3.12	1.97	3.53	1.80	2.33	3.16
	SSIM	0.44	0.21	0.27	0.19	0.34	0.02	0.27	0.32	0.47
	SF	8.93	11.43	12.61	9.78	10.35	8.18	13.21	5.18	8.01
Marne_04	SD	53.09	26.60	24.47	25.06	31.79	26.51	49.42	25.06	53.57
	EN	7.57	6.69	6.63	6.58	6.99	6.54	7.60	6.58	7.62
	C	47.65	20.95	18.69	19.74	24.63	19.72	40.38	19.74	43.29
	MI	4.54	2.41	1.76	2.72	2.30	3.13	1.88	2.72	3.40
	SSIM	0.21	0.26	0.26	0.20	0.36	0.29	0.22	0.20	0.54
	SF	5.73	7.66	8.34	6.17	7.14	3.38	10.77	6.17	7.46
Marne_06	SD	47.39	27.90	25.76	26.78	34.65	28.29	46.15	46.67	53.53
	EN	7.30	6.77	6.70	6.70	7.05	6.67	7.48	7.33	7.59
	C	35.68	22.07	20.34	21.26	28.08	21.05	36.61	35.07	42.88
	MI	4.26	2.95	2.31	3.23	2.69	2.74	2.48	3.07	3.46
	SSIM	0.30	0.37	0.35	0.31	0.37	0.11	0.30	0.23	0.57
	SF	6.05	7.00	7.66	4.74	6.44	3.82	10.15	5.95	5.27

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