光学学报, 2018, 38 (3): 0310001, 网络出版: 2018-03-20
基于稀疏特征提取的单幅图像去雾 下载: 1085次
Single Image Dehazing Based on Sparse Feature Extraction
图 & 表
图 5. 对介质传输图的初步精细化。 (a)粗略介质传输图td(x);(b)样本图像tg(x);(c)重构得到的图像;(d)初步优化的介质传输图t'd(x)
Fig. 5. Initial refinement of the medium transmission image. (a) Rough medium transmission image td(x); (b) sample image tg(x); (c) reconstructed image; (d) preliminary optimized image t'd(x)
图 6. 去雾效果对比。(a)雾天图像;(b)文献[ 8-9]算法;(c)文献[ 4]算法;(d)文献[ 5]算法;(e)文献[ 19]算法;(f)本文算法
Fig. 6. Comparison of dehazing effects. (a) Haze image; dehazing effects of (b) Ref. [8-9], (c) Ref. [4], (d) Ref. [5], (e) Ref. [19], and (f) proposed algorithm
图 7. 天空区域的去雾效果对比。(a)雾天图像;(b)文献[ 8-9]算法;(c)文献[ 19]算法;(d)文献[ 20]算法;(e)本文算法
Fig. 7. Comparison of the sky regions dehazing effects. (a) Haze image; dehazing effects of (b) Ref. [8-9], (c) Ref. [19], (d) Ref. [20], and (e) proposed algorithms
表 1图6中各图像的熵
Table1. Entropies of different images in Fig. 6
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表 2图6中各种算法复原图像的PSNR
Table2. PSNR values of the images in Fig. 6
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刘坤, 毕笃彦, 王世平, 何林远, 高山. 基于稀疏特征提取的单幅图像去雾[J]. 光学学报, 2018, 38(3): 0310001. Liu Kun, Bi Duyan, Wang Shiping, He Linyuan, Gao Shan. Single Image Dehazing Based on Sparse Feature Extraction[J]. Acta Optica Sinica, 2018, 38(3): 0310001.