一种高分辨率遥感图像去雾霾方法 
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A Haze Removal Method for High-Resolution Remote Sensing Images
图 & 表
图 1. 三角形插值示意图
Fig. 1. Schematic of triangulation interpolation
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图 2. 原始图像。(a) GF-2 全色图像;(b) GF-2 多光谱图像;(c) Superview-1 全色图像; (d) Superview-1多光谱图像
Fig. 2. Original images. (a) GF-2 panchromatic image; (b) GF-2 multispectral image; (c) Superview-1 panchromatic image; (d) Superview-1 multispectral image
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图 3. 对GF-2进行去雾霾处理的图像。(a)蓝谱段雾霾图像;(b)红谱段亮目标图像;(c)暗通道图像;(d)非暗通道图像
Fig. 3. GF-2 images after dehazing process. (a) Haze image in blue spectral band; (b) image of bright object in red spectral band; (c) dark channel image; (d) non-dark channel image
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图 4. 对Superview-1进行去雾霾处理的图像。(a)蓝谱段雾霾图像;(b)红谱段亮目标图像;(c)暗通道图像;(d)非暗通道图像
Fig. 4. Superview-1 images after dehazing process. (a) Haze image in blue spectral band; (b) image of bright object in red spectral band; (c) dark channel image; (d) non-dark channel image
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图 5. GF-2去雾霾处理前后的图像。(a)原始全色图像;(b) Makarau方法处理后的全色图像;(c)所提方法处理后的全色图像;(d)原始多光谱真彩色图像;(e) Makarau方法处理后的真彩色图像;(f)所提方法处理后的真彩色图像
Fig. 5. GF-2 images before and after dehazing processing. (a) Original panchromatic image; (b) panchromatic image after processing by Makarau's method; (c) panchromatic image after processing by proposed method; (d) original multispectral true color image; (e) true color image after processing by Makarau's method; (f) true color image after processing by proposed method
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图 6. Superview-1去雾霾处理前后的图像。(a)原始全色图像;(b) Makarau方法处理后的全色图像;(c)所提方法处理后的全色图像;(d)原始多光谱真彩色图像;(e) Makarau方法处理后的真彩色图像;(f)所提方法处理后的真彩色图像
Fig. 6. Superview-1 images before and after dehazing processing. (a) Original panchromatic image; (b) panchromatic image after processing by Makarau's method; (c) panchromatic image after processing by proposed method; (d) original multispectral true color image; (e) true color image after processing by Makarau's method; (f) true color image after processing by proposed method
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图 7. 去雾霾处理前后GF-2图像质量参数的对比。(a)平均灰度梯度;(b)边缘能量;(c)对比度;(d) 锐度
Fig. 7. Comparison histogram of GF-2 image quality parameters before and after dehazing processing. (a) Average gray-scale gradient; (b) edge energy; (c) contrast; (d) sharpness
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图 8. 去雾霾处理前后Superview-1图像质量参数的对比。(a)平均灰度梯度;(b)边缘能量;(c)对比度;(d)锐度
Fig. 8. Comparison histogram of Superview-1 image quality parameters before and after dehazing processing. (a) Average gray-scale gradient; (b) edge energy; (c) contrast; (d) sharpness
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图 9. 去雾霾处理前后局部亮目标色彩示意图。(a)原始图像;(b) Makarau方法处理后的图像;(c)所提方法处理后的图像
Fig. 9. Schematics of color of local bright object before and after dehazing processing. (a) Original image; (b) image processed by Makarau's method; (c) image processed by proposed method
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图 10. 全景图像的去雾霾处理。(a)原始图像及细节;(b)去雾霾处理后的图像及细节
Fig. 10. Dehazing processing of whole scene image. (a) Original image and some details; (b) dehazing image and some details
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表 1卫星参数
Table1. Satellite parameters
| Satellite | Launching time | GSD /m | Band range /μm |
|---|
| | PAN: 0.8; | PAN: 0.45-0.90; | | GF-2 | 2014-08-19 | MS: 3.2 | B1: 0.45-0.52; | | | | B2: 0.52-0.59; | | | | B3: 0.63-0.69; | | | | B4: 0.77-0.89 | | | PAN: 0.5; | PAN: 0.45-0.90; | | Superview-1 | 2016-12-26 | MS: 2.0 | B1: 0.45-0.52; | | | | B2: 0.52-0.59; | | | | B3: 0.63-0.69; | | | | B4: 0.77-0.89 |
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表 2GF-2全色图像处理前后的质量参数对比
Table2. Comparison of quality parameters of GF-2 panchromatic images before and after dehazing processing
| Image quality parameter | Original image | Image processed by Makarau's method | Image processed by proposed method |
|---|
| Average gray-scale gradient | 0.4611 | 0.7480 | 1.0000 | | Edge energy | 0.8397 | 0.9517 | 1.0000 | | Contrast | 0.7933 | 0.9477 | 1.0000 | | Sharpness | 0.4446 | 0.8882 | 1.0000 |
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表 3GF-2多光谱图像处理前后的质量参数对比
Table3. Comparison of quality parameters of GF-2 multispectral images before and after dehazing processing
| Image quality parameter | Original image | Image processed by Makarau's method | Image processed by proposed method |
|---|
| Average gray-scale gradient | B1: 0.3393;B2: 0.3754;B3: 0.2580 | B1: 0.7621;B2: 0.9283;B3: 0.7554 | B1: 1.0000;B2: 1.0000;B3: 1.0000 | | Edge energy | B1: 0.9398;B2: 0.9810;B3: 0.9702 | B1: 0.9709;B2: 0.9873;B3: 0.9893 | B1: 1.0000;B2: 1.0000;B3: 1.0000 | | Contrast | B1: 0.5625;B2: 0.5535;B3: 0.7573 | B1: 0.8493;B2: 0.8812;B3: 0.9058 | B1: 1.0000;B2: 1.0000;B3: 1.0000 | | Sharpness | B1: 0.6346;B2: 0.7083;B3: 0.4557 | B1: 0.8792;B2: 0.9102;B3: 0.7776 | B1: 1.0000;B2: 1.0000;B3: 1.0000 |
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表 4Superview-1全色图像处理前后的质量参数对比
Table4. Comparison of quality parameters of Superview-1 panchromatic images before and after dehazing processing
| Image quality parameter | Original image | Image processed by Makarau's method | Image processed by proposed method |
|---|
| Average gray-scale gradient | 0.6526 | 0.8190 | 1.0000 | | Edge energy | 0.9620 | 0.9871 | 1.0000 | | Contrast | 0.8854 | 0.9383 | 1.0000 | | Sharpness | 0.8040 | 0.9234 | 1.0000 |
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表 5Superview-1多光谱图像处理前后参数对比
Table5. Comparison of quality parameters of Superview-1 multispectral spectral images before and after dehazing processing
| Image quality parameter | Original image | Image processed by Makarau's method | Image processed by proposed method |
|---|
| Average gray-scale gradient | B1: 0.5377;B2: 0.5766;B3: 0.6233 | B1: 0.8528;B2: 0.8929;B3: 0.8547 | B1: 1.0000;B2: 1.0000;B3: 1.0000 | | Edge energy | B1: 0.9435;B2: 0.9624;B3: 0.9773 | B1: 0.9772;B2: 0.9839;B3: 0.9959 | B1: 1.0000;B2: 1.0000;B3: 1.0000 | | Contrast | B1: 0.4369;B2: 0.6321;B3: 0.7657 | B1: 0.8645;B2: 0.9115;B3: 0.9198 | B1: 1.0000;B2: 1.0000;B3: 1.0000 | | Sharpness | B1: 0.7961;B2: 0.8046;B3: 0.8025 | B1: 0.9228;B2: 0.9388;B3: 0.9387 | B1: 1.0000;B2: 1.0000;B3: 1.0000 |
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谭伟, 曹世翔, 齐文雯, 何红艳. 一种高分辨率遥感图像去雾霾方法[J]. 光学学报, 2019, 39(3): 0301005. Wei Tan, Shixiang Cao, Wenwen Qi, Hongyan He. A Haze Removal Method for High-Resolution Remote Sensing Images[J]. Acta Optica Sinica, 2019, 39(3): 0301005.
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