Chinese Journal of Liquid Crystals and Displays, Volume. 40, Issue 7, 1046(2025)
HDR image fusion algorithm based on linear-logarithmic response camera
Fig. 3. Diagram of depth-separable convolutional structure.（a）Depth-by-depth convolution；（b）Point-by-point convolution.
Fig. 8. Comparison of image fusion results.（a~c）Multi-gain image sequences，in order of HG，LG，LOG；（d~f）Fusion results of each algorithm，respectively，MEFAW algorithm，MEF-Net algorithm，and algorithm in this paper；（g~l）Details of the fusion results of the corresponding algorithms.
Table 1. Computation complexity comparison
View tableView in ArticleTable 1. Computation complexity comparison
参数量/M 计算量/GFLOPs 普通卷积 2.339 19.291 深度可分离卷积 0.610 6.786
Table 2. Comparison results of different methods
View tableView in ArticleTable 2. Comparison results of different methods
算法 MEF-SSIM VIF AG SF Param/M FLOPs/G MEFAW 0.885 9 1.64 3.57 12.93 -- -- MEF-Net 0.959 5 1.69 3.93 13.57 0.026 21.026 Ours 0.986 6 1.76 3.94 14.32 0.611 7.049
Table 3. Comparison of ablation experiment results
View tableView in ArticleTable 3. Comparison of ablation experiment results
方案 Unet-256 Unet-512 Atten-256 Atten-512 MSRB Param/M FLOPs/G MEF-SSIM VIF AG SF 1 √ 0.390 4.093 0.961 8 1.62 3.73 12.45 2 √ 1.521 15.165 0.966 1 1.73 3.42 12.48 3 √ 0.611 6.920 0.974 8 1.80 3.84 13.95 4 √ 2.399 26.321 0.976 8 1.83 3.90 14.06 5 √ √ 0.391 4.427 0.975 9 1.60 3.82 13.50 6 √ √ 1.523 15.432 0.979 0 1.63 3.85 13.54 7 √ √ 0.612 7.254 0.986 6 1.76 3.94 14.32 8 √ √ 2.400 26.588 0.988 2 1.79 3.95 14.32
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Lei ZHANG, Kaiyuan LIU, Yutianshi LI, Yuchun CHANG. HDR image fusion algorithm based on linear-logarithmic response camera[J]. Chinese Journal of Liquid Crystals and Displays, 2025, 40(7): 1046
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Received: Feb. 11, 2025
Accepted: --
Published Online: Aug. 11, 2025
The Author Email: Yuchun CHANG (cyc@dlut.edu.cn)
