Low-Light Image Enhancement Using Layer Decomposition for Suppression of Color Glows

Tianxin Zhu; Chunmei Chen; Guihua Liu; Lingling Yuan; Yuhan Zhang

doi:10.3788/LOP241669

Laser & Optoelectronics Progress, Volume. 62, Issue 6, 0637009(2025)

Low-Light Image Enhancement Using Layer Decomposition for Suppression of Color Glows

Tianxin Zhu^1,2、*, Chunmei Chen^1,2, Guihua Liu^1,2, Lingling Yuan^1,2, and Yuhan Zhang^1,2

Author Affiliations

¹School of Information Engineering, Southwest University of Science and Technology, Mianyang 621010, Sichuan , China

²Robot Technology Used for Special Environment Key Laboratory of Sichuan Province, Mianyang 621010, Sichuan , China

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Figures & Tables(11)

Fig. 1. Structure of glow-containing low-light image enhancement network based on layer decomposition

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Fig. 2. Layered decomposition network structure. (a) G-branch network; (b) R-branch and I-branch network; (c) channel attention block

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Fig. 3. Illumination enhancement network structure

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Fig. 4. Comparison of glow separation effects

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Fig. 5. Comparison of enhancement results of different algorithms

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Fig. 6. Comparison of the enhancement results between the proposed method and the Jin method

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Fig. 7. Ablation experiment visualization of loss function combination

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Table 1. Objective comparison of image quality enhancement using different algorithms
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Table 1. Objective comparison of image quality enhancement using different algorithms
Index RRDNet Zero-DCE++ PSENet ALL-E SDAG-RRDNet Jin method Ours
NIQE↓ 3.08 2.92 3.01 4.02 3.28 2.90 2.84
PIQE↓ 11.76 11.20 12.21 16.30 12.10 11.30 9.51
MUSIQ↑ 4.32 4.38 4.45 4.50 4.12 4.37 4.45

Table 2. Parameter comparison of models under the input of 512×512
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Table 2. Parameter comparison of models under the input of 512×512
Parameter RRDNet Zero-DCE++ PSENet ALL-E SDAG-RRDNet Jin Ours
Flops /10⁹ 33.48 22.64 0.6 672 33.48 243.35 71.86
Params /10⁶ 0.128 0.011 0.015 3.144 0.128 67.012 0.848
Runtime /s 0.009 0.003 0.002 0.471 0.009 0.275 0.103

Table 3. Ablation experiments of loss function combination

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Table 3. Ablation experiments of loss function combination

Number	$L_{l r}$	$L_{i i}$	$L_{g s}$	$L_{f r}$	$L_{s m}$	$L_{b c}$	NIQE↓	PIQE↓	MUSIQ↑
1		√	√	√	√	√		72.71	4.34
2	√	√			√	√	2.86	9.94	4.43
3	√	√	√		√	√	3.09	10.85	4.42
4	√	√		√	√	√	2.97	9.02	4.48
5	√		√	√		√	3.72	10.45	4.36
6	√	√	√	√		√	3.77	10.15	4.30
7	√		√	√	√	√	3.04	11.38	4.48
8	√	√	√	√	√		4.61	11.66	4.21
9	√	√	√	√	√	√	2.84	9.51	4.45

Table 4. Ablation experiments about CAB
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Table 4. Ablation experiments about CAB
Index G $w / o$ CAB R $w / o$ CAB I $w / o$ CAB Ours
NIQE↓ 4.80 4.98 4.70 2.84
PIQE↓ 17.51 16.81 15.32 9.51
MUSIQ↑ 4.20 4.09 4.25 4.45

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Tianxin Zhu, Chunmei Chen, Guihua Liu, Lingling Yuan, Yuhan Zhang. Low-Light Image Enhancement Using Layer Decomposition for Suppression of Color Glows[J]. Laser & Optoelectronics Progress, 2025, 62(6): 0637009

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