REVIEW 4 major objections 7 minor 103 references
Excavate the potential of Single-Scale Features: A Decomposition Network for Water-Related Optical Image Enhancement
T0 review · 4 major / 7 minor · reviewed 2026-08-06 · deepseek-v4-flash
Pith's one-line read A decomposition network that works entirely at single scale can match or beat multi-scale architectures for underwater image enhancement, reporting top PSNR/SSIM scores on UIEB and EUVP with only 1.03M parameters.
desk verdict An efficient new architecture whose central 'single-scale' claim is undercut by downsampling inside its own PFDB; worth refereeing, but the conclusion needs to be reframed and verified. read the letter →
The pith
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
The reading
What carries the argument
The load-bearing mechanism is the asymmetric dual-branch feature decomposition formed by two stacked modules. The Parallel Feature Decomposition Block (PFDB) splits the single-resolution representation into a degradation stream modeled by an Adaptive Sparse Transformer and a clean-content stream modeled by lightweight CNN channel attention. The Bidirectional Feature Communication Block (BFCB) then exchanges information between streams: sigmoid gates from $1\times1$ convolutions plus learnable scaling produce coupled residuals, and each branch is updated by subtracting its own redundancy and adding the other's useful signal. The third piece, Adaptive Sparse Attention, blends a dense softmax b
What would settle it
Retrain the Table III structural variants (U-Net, PMR, PMB) and SSD-Net on EUVP under identical hyperparameters, loss, and compute budget; if any multi-scale variant reaches or exceeds roughly 29.84 dB once equally tuned, the single-scale advantage claim fails. A second check: remove the down/up-sampling that Eq. (8) places around the Transformer blocks — if PSNR drops materially, the reported gains come from multi-resolution processing rather than single-scale features.
Extended reading notes
Core claim
Central claim: high-quality underwater image reconstruction does not need multi-scale feature fusion. SSD-Net works at one resolution, splitting the input into clean features $F_c$ and degradation features $F_d$ via the Parallel Feature Decomposition Block (PFDB) — a CNN channel-attention branch plus a Transformer branch fusing dense (softmax) and sparse (ReLU) attention — and the Bidirectional Feature Communication Block (BFCB) for cross-stream residual exchange. It reports $24.90$ dB PSNR / $0.924$ SSIM on UIEB and $29.84$ dB / $0.917$ on EUVP, ahead of the compared methods, with $1.03$M parameters. Turned into U-Net, progressive multi-resolution, and parallel multi-branch variants, the mu
Load-bearing premise
The claim stands on the premise that SSD-Net is genuinely single-scale and that the structural ablation is fair — but the paper's own Eq. (8) puts down-sampling and up-sampling around the Transformer blocks, so if those operations count as multi-scale processing, the experiments no longer compare single-scale against multi-scale features; the fairness of the Table III variants also depends on transformation details the paper does not give.
Editorial extensions
If this is right
- On UIEB and EUVP, SSD-Net reports the best scores among the compared methods, so a single-scale decomposition design can serve as a drop-in alternative to multi-scale backbones for underwater enhancement.
- Table III shows the multi-scale restructurings add 49.9%–160.8% parameters without a consistent quality gain, implying much of the cost of current UIE networks goes into redundant cross-scale features.
- The unpaired-set results on UIEB60, U45, and UCCS indicate the single-scale design generalizes across color casts, turbidity, and low-light conditions.
- With 1.03M parameters, the efficiency benefit is direct: comparable or better restoration at a fraction of the model size of competing learned methods, which matters for deployment on underwater vehicles and embedded cameras.
Reading between the lines
- The paper says SSD-Net uses no downsampling, but its own Eq. (8) sandwiches the Transformer blocks in down-sampling and up-sampling operations; if those count as multi-scale processing, the defensible reading is not that scale is useless but that the decomposition-and-cross-talk design, rather than scale, is what drives the gains.
- The clean/degradation split is not underwater-specific: the same PFDB–BFCB design could be tested on dehazing, deraining, and low-light enhancement, where multi-scale backbones dominate; a positive result there would widen the claim beyond water-related optics.
- The paper reports only parameter counts, not FLOPs or latency; an inference-time comparison against the 1.78–1.84M-parameter baselines on embedded hardware would settle whether the practical efficiency advantage is as large as the parameter savings suggest.
- Because the sparse (ReLU) attention branch is fused adaptively with the dense branch, one testable consequence is that attention sparsity — not global modeling per se — carries the benefit; ablating each branch separately would isolate which mechanism the gain comes from.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The paper proposes SSD-Net for underwater image enhancement, claiming that single-scale feature extraction can match or surpass multi-scale methods. The network uses a dual-branch decomposition into clean and degradation features, with two core modules: PFDB (CNN branch plus Transformer branch with adaptive sparse attention) and BFCB (bidirectional residual exchange). Losses include SSIM and L1 on both the clean output and the reconstructed input. Experiments on UIEB, EUVP, and no-reference datasets report state-of-the-art PSNR/SSIM with 1.03M parameters. Ablations include component ablation, architectural variants (U-Net, PMR, PMB), and block count.
Significance. If the single-scale claim were established, the paper would provide a useful counterpoint to the prevalence of multi-scale designs in image restoration, potentially enabling more efficient models. The architecture also introduces a plausible decomposition mechanism and an adaptive sparse attention variant. Strengths: the manuscript reports thorough quantitative comparisons on multiple datasets, a component ablation, a structural ablation, and a parameter/performance trade-off analysis; the proposed modules are concretely specified and the loss is clearly defined. No code or trained models are released, however, and the central conceptual claim is undermined by an internal contradiction about down/up-sampling within PFDB.
major comments (4)
- [Sec. III-A and Sec. III-C, Eq. (8)] The central claim that SSD-Net is 'single-scale' is contradicted by the PFDB description. Sec. III-A states the network 'does not adopt a U-Net-like encoder-decoder structure nor employs pooling or downsampling operations,' yet Sec. III-C states the Transformer branch 'sandwich(es) the Transformer blocks with down-sampling and up-sampling operations,' and Eq. (8) explicitly contains down- and up-sampling arrows. Downsampling followed by upsampling creates multiple spatial resolutions inside the network, so by the paper's own definition the network is not single-scale. This is load-bearing because the abstract and the structural ablation (Table III) rest on the premise that SSD-Net is genuinely single-scale. A version of SSD-Net with no down/up-sampling must be ablated, or the claim must be reworded to exclude the transformer branch, otherwise the comparison does not establish that multi-
- [Table III and Sec. IV-C.2] The structural ablation is not sufficient to support the 'single-scale matches multi-scale' conclusion. The three 'multi-scale' variants (U-Net, PMR, PMB) are described only by name; the paper does not specify which modules are duplicated, how down/up-sampling was inserted, what channels/resolutions were used, whether the PFDB's internal down/up-sampling was removed in the SSN baseline, or whether training budgets were matched. Since the parameter counts differ substantially (1.026M to 2.608M), the performance comparison conflates architecture scale with capacity and implementation effort. Without detailed configurations and controlled capacity/computation, the conclusion that the performance difference is due specifically to scale is not established.
- [Table I and Sec. IV.B] The reported quantitative gains lack any measure of variability or reproducibility. No code, no pre-trained models, no random seed information, and no error bars are provided. The performance differences over the second-best methods are small on some metrics (e.g., 0.924 vs 0.909 SSIM on UIEB; 29.84 vs 28.00 PSNR on EUVP), and a single-run comparison cannot rule out training stochasticity. At minimum, the authors should report multiple seeds with means and standard deviations, and ideally release code/model checkpoints to allow independent verification.
- [Sec. III-E, Eq. (15)] The loss function is under-specified. Eq. (13) defines an SSIM loss with exponents α and β, while Eq. (15) re-uses α and β as weights for the reconstruction terms L_ssim(X',X) and L1(X',X). The same symbols appear to denote different quantities, and the manuscript never states the values of the exponents in Eq. (13) or whether the 'L1' in Eq. (14) is used with the SSIM term as a multiplicative product (as in the phrase 'SSIM-based loss function is defined as: L_ssim = (1 - ...)^α (...)^β') or as a separate additive term. This ambiguity makes the exact training objective impossible to reproduce.
minor comments (7)
- [Sec. III-C, text after Eq. (9)] The subscripts in the notation appear inconsistent: the text defines F_d as clear features and F_c as degradation features in Sec. III-B, but the PFDB description refers to 'Transformer-driven Degradation Feature Branch' taking F_d and 'CNN-driven Clear Feature Branch' taking F_c, and Fig. 3 labels appear to swap the roles. Please standardize the notation and figure labels.
- [Sec. III-D, Eqs. (10)-(12)] There are typographical errors in the equations: G^n-1_d->c and the residual formulas contain mismatched brackets and subscripts (e.g., [F^{n-1}_d) and res_d->c = [F^{n-1}_d * ...; the second uses G^{n-1}_{d->d} rather than G^{n-1}_{d->c}). Please correct the formulas.
- [Table II caption and rows] The component ablation is hard to interpret because the table only shows checkmarks without a legend for how the 'conventional Transformer' or 'dual-branch convolutional network' baselines were constructed. Add the missing legend and describe the baseline configurations in the text.
- [Sec. IV.C.2, Table III caption] The caption contains a garbled placeholder: 'Table III able xxx compares... Here, "3S" denotes Single-Scale Structure.' Please fix the caption and the typo 'Efficient' in the author bios if applicable.
- [Sec. IV.A and Table IV] The ablation on N and M reports PSNR values that differ by 0.01-0.02 dB for several configurations (e.g., N=4,M=6 vs N=6,M=6), likely within noise. Please add error bars or state explicitly that these differences are not significant.
- [Fig. 6 caption] The qualitative comparison on EUVP is labeled 'LSUI dataset' in the caption, which is inconsistent with the text (EUVP). Please correct.
- [Overall] Several minor formatting issues: 'PFCB' should be 'BFCB' in Sec. IV.A.1; the references list includes a paper with a garbled author string 'Z. L. W. H. Y. Y. W. L. X.-B. Li, H.-F' [28]; 'IJCNN' should be 'IJCNN' [66]. Please proofread.
Circularity Check
No significant circularity: the single-scale labeling contradiction is a correctness/validity concern, not a derivation that reduces to its inputs.
full rationale
The paper's argument is empirical: it reports PSNR/SSIM and parameter counts on external benchmarks and ablations. No fitted parameter is renamed as a prediction, no uniqueness theorem is imported from the authors' prior work, and no load-bearing step is justified only by a self-citation. The decomposition X' = X_c + X_d (Sec. III-B, Eq. 15) does define X_d as the reconstruction residual, so calling it a 'degradation residual' is a label rather than a derived physical quantity, but this does not by itself make any reported performance result equivalent to the model's inputs. The reader's noted contradiction is real and important: Sec. III-A says SSD-Net 'does not adopt a U-Net-like encoder-decoder structure nor employs pooling or downsampling operations for feature compression,' while Sec. III-C says the PFDB 'sandwich(es) the Transformer blocks with down-sampling and up-sampling operations' and Eq. 8 contains down/up arrows. This undermines the construct validity of the paper's claim that SSD-Net is genuinely single-scale and weakens the interpretation of the Table III ablation. However, an internal labeling inconsistency is a correctness/validity problem, not a circular derivation: the reported comparisons against external SOTA methods remain independent evidence, and the paper does not derive its central claim from the label itself. Under the strict definition of circularity used here, no step reduces by construction to its own input.
Assumptions & free parameters
free parameters (3)
- Loss weights alpha and beta in Eq. (15) =
0.2 each
- Number of cascaded PFDB/BFCB blocks N =
4
- Number of AST modules M per PFDB =
4
assumptions (3)
- domain assumption The UIEB and EUVP reference images Y are treated as ground-truth clean images
- domain assumption The transformation of SSD-Net into U-Net, PMR, and PMB variants retains the core module design fairly
- ad hoc to paper Replacing Softmax with a parallel ReLU branch improves attention sparsity without hurting trainability
invented entities (1)
-
Clean and degradation layer decomposition
Cite this review
Pith. "Pith review of Excavate the potential of Single-Scale Features: A Decomposition Network for Water-Related Optical Image Enhancement." pith.science (2026). https://pith.science/paper/MH726YJZ
@misc{pith2026250804123,
author = {Pith},
title = {Pith review of: Excavate the potential of Single-Scale Features: A Decomposition Network for Water-Related Optical Image Enhancement},
year = {2026},
howpublished = {\url{https://pith.science/paper/MH726YJZ}},
note = {Machine review of arXiv:2508.04123}
}
read the original abstract
Underwater image enhancement (UIE) techniques aim to improve visual quality of images captured in aquatic environments by addressing degradation issues caused by light absorption and scattering effects, including color distortion, blurring, and low contrast. Current mainstream solutions predominantly employ multi-scale feature extraction (MSFE) mechanisms to enhance reconstruction quality through multi-resolution feature fusion. However, our extensive experiments demonstrate that high-quality image reconstruction does not necessarily rely on multi-scale feature fusion. Contrary to popular belief, our experiments show that single-scale feature extraction alone can match or surpass the performance of multi-scale methods, significantly reducing complexity. To comprehensively explore single-scale feature potential in underwater enhancement, we propose an innovative Single-Scale Decomposition Network (SSD-Net). This architecture introduces an asymmetrical decomposition mechanism that disentangles input image into clean layer along with degradation layer. The former contains scene-intrinsic information and the latter encodes medium-induced interference. It uniquely combines CNN's local feature extraction capabilities with Transformer's global modeling strengths through two core modules: 1) Parallel Feature Decomposition Block (PFDB), implementing dual-branch feature space decoupling via efficient attention operations and adaptive sparse transformer; 2) Bidirectional Feature Communication Block (BFCB), enabling cross-layer residual interactions for complementary feature mining and fusion. This synergistic design preserves feature decomposition independence while establishing dynamic cross-layer information pathways, effectively enhancing degradation decoupling capacity.
Figures
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Reference graph
Works this paper leans on
-
[1]
Computer Modeling and the Design of Optimal Underwater Imaging Systems,
J. S. Jaffe, “Computer Modeling and the Design of Optimal Underwater Imaging Systems,” IEEE Journal of Oceanic Engineering, vol. 15, no. 2, pp. 101–111, 1990
1990
-
[2]
Sea-thru: A method for removing water from underwater images,
D. Akkaynak and T. Treibitz, “Sea-thru: A method for removing water from underwater images,” inProceedings of the IEEE/CVF conference on computer vision and pattern recognition, 2019, pp. 1682–1691
2019
-
[3]
Underwater Image Enhancement by Wavelength Compensation and Dehazing,
J. Y. Chiang and Y.-C. Chen, “Underwater Image Enhancement by Wavelength Compensation and Dehazing,”IEEE Transactions on Im- age Processing, vol. 21, no. 4, pp. 1756–1769, 2011
2011
-
[4]
Underwater Single Image Color Restoration using Haze-lines and a New Quantitative Dataset,
D. Berman, D. Levy, S. Avidan, and T. Treibitz, “Underwater Single Image Color Restoration using Haze-lines and a New Quantitative Dataset,” IEEE Transactions on Pattern Analysis and Machine Intelli- gence, vol. 43, no. 8, pp. 2822–2837, 2020
2020
-
[5]
A Retinex-based Enhancing Approach for Single Underwater Image,
X. Fu, P. Zhuang, Y. Huang, Y. Liao, X.-P. Zhang, and X. Ding, “A Retinex-based Enhancing Approach for Single Underwater Image,” in Proceedings of the International Conference on Image Processing. IEEE, 2014, pp. 4572–4576
2014
-
[6]
UIECˆ 2-Net: CNN-based Underwater Image Enhancement using Wwo Color Space,
Y. Wang, J. Guo, H. Gao, and H. Yue, “UIECˆ 2-Net: CNN-based Underwater Image Enhancement using Wwo Color Space,” Signal Processing: Image Communication, vol. 96, pp. 116250–116261, 2021
2021
-
[7]
IACC: Cross-Illumination Awareness and Color Correction for Underwater Images Under Mixed Natural and Artificial Lighting,
J. Zhou, Q. Gai, D. Zhang, K.-M. Lam, W. Zhang, and X. Fu, “IACC: Cross-Illumination Awareness and Color Correction for Underwater Images Under Mixed Natural and Artificial Lighting,” IEEE Trans- actions on Geoscience and Remote Sensing, vol. 62, pp. 1–15, 2024
2024
-
[8]
Robust Underwater Image Enhancement with Cascaded Multi-level Sub-networks and Triple Attention Mechanism,
D. Zhang, C. Wu, J. Zhou, W. Zhang, Z. Lin, K. Polat, and F. Alenezi, “Robust Underwater Image Enhancement with Cascaded Multi-level Sub-networks and Triple Attention Mechanism,”Neural Networks, vol. 169, pp. 685–697, 2024
2024
Show all 103 references
-
[9]
Wavelet-based fourier infor- mation interaction with frequency diffusion adjustment for underwater image restoration,
C. Zhao, W. Cai, C. Dong, and C. Hu, “Wavelet-based fourier infor- mation interaction with frequency diffusion adjustment for underwater image restoration,” in Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2024, pp. 8281–8291
2024
-
[10]
Synergistic multi- scale detail refinement via intrinsic supervision for underwater image enhancement,
D. Zhang, J. Zhou, C. Guo, W. Zhang, and C. Li, “Synergistic multi- scale detail refinement via intrinsic supervision for underwater image enhancement,” in Proceedings of the AAAI conference on artificial intelligence, vol. 38, no. 7, 2024, pp. 7033–7041
2024
-
[11]
Task-friendly underwater image enhancement for machine vision applications,
M. Yu, L. Shen, Z. Wang, and X. Hua, “Task-friendly underwater image enhancement for machine vision applications,”IEEE Transactions on Geoscience and Remote Sensing, vol. 62, pp. 1–14, 2023
2023
-
[12]
Fast underwater image enhance- ment for improved visual perception,
M. J. Islam, Y. Xia, and J. Sattar, “Fast underwater image enhance- ment for improved visual perception,”IEEE Robotics and Automation Letters, vol. 5, no. 2, pp. 3227–3234, 2020
2020
-
[13]
U-shape transformer for underwater image enhancement,
L. Peng, C. Zhu, and L. Bian, “U-shape transformer for underwater image enhancement,”IEEE Transactions on Image Processing, vol. 32, pp. 3066–3079, 2023
2023
-
[14]
Contrastive Semi- supervised Learning for Underwater Image Restoration via Reliable Bank,
S. Huang, K. Wang, H. Liu, J. Chen, and Y. Li, “Contrastive Semi- supervised Learning for Underwater Image Restoration via Reliable Bank,” in Proceedings of the Conference on Computer Vision and Pattern Recognition. IEEE, 2023, pp. 18145–18155
2023
-
[15]
Twin Adversarial Contrastive Learning for Underwater Image Enhancement and Beyond,
R. Liu, Z. Jiang, S. Yang, and X. Fan, “Twin Adversarial Contrastive Learning for Underwater Image Enhancement and Beyond,” IEEE Transactions on Image Processing, vol. 31, pp. 4922–4936, 2022
2022
-
[16]
Underwater image enhancement via medium transmission-guided multi-color space embedding,
C. Li, S. Anwar, J. Hou, R. Cong, C. Guo, and W. Ren, “Underwater image enhancement via medium transmission-guided multi-color space embedding,” IEEE Transactions on Image Processing, vol. 30, pp. 4985–5000, 2021
2021
-
[17]
Underwater image enhancement based on deep learning and image formation model,
X. Chen, P. Zhang, L. Quan, C. Yi, and C. Lu, “Underwater image enhancement based on deep learning and image formation model,” arXiv preprint arXiv:2101.00991, 2021
2021 arXiv
-
[18]
Towards real-time advancement of underwater visual quality with gan,
X. Chen, J. Yu, S. Kong, Z. Wu, X. Fang, and L. Wen, “Towards real-time advancement of underwater visual quality with gan,”IEEE Transactions on Industrial Electronics, vol. 66, no. 12, pp. 9350–9359, 2019. JOURNAL OF LATEX CLASS FILES, VOL. 14, NO. 8, AUGUST 2021 12
2019
-
[19]
GUDCP: Gen- eralization of underwater dark channel prior for underwater image restoration,
Z. Liang, X. Ding, Y. Wang, X. Yan, and X. Fu, “GUDCP: Gen- eralization of underwater dark channel prior for underwater image restoration,” IEEE Transactions on Circuits and Systems for Video Technology, vol. 32, no. 7, pp. 4879–4884, 2021
2021
-
[20]
Transmission estimation in underwater single images,
P. Drews, E. Nascimento, F. Moraes, S. Botelho, and M. Campos, “Transmission estimation in underwater single images,” inProceedings of the IEEE international conference on computer vision workshops, 2013, pp. 825–830
2013
-
[21]
Underwater image restoration based on image blurriness and light absorption,
Y.-T. Peng and P. C. Cosman, “Underwater image restoration based on image blurriness and light absorption,” IEEE transactions on image processing, vol. 26, no. 4, pp. 1579–1594, 2017
2017
-
[22]
Single underwater image restoration using adaptive attenuation-curve prior,
Y. Wang, H. Liu, and L.-P. Chau, “Single underwater image restoration using adaptive attenuation-curve prior,”IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 65, no. 3, pp. 992–1002, 2017
2017
-
[23]
Single underwater image restoration by decomposing curves of attenuating color,
C. Dai, M. Lin, X. Wu, Z. Wang, and Z. Guan, “Single underwater image restoration by decomposing curves of attenuating color,”Optics & Laser Technology, vol. 123, p. 105947, 2020
2020
-
[24]
Underwater Image Enhancement Method via Multi-Interval Subhistogram Perspective Equalization,
J. Zhou, L. Pang, D. Zhang, and W. Zhang, “Underwater Image Enhancement Method via Multi-Interval Subhistogram Perspective Equalization,” IEEE Journal of Oceanic Engineering, vol. 48, no. 2, pp. 474–488, 2023
2023
-
[25]
Adaptive Histogram Equalization and its Variations,
S. M. Pizer, E. P. Amburn, J. D. Austin, R. Cromartie, A. Geselowitz, T. Greer, B. ter Haar Romeny, J. B. Zimmerman, and K. Zuiderveld, “Adaptive Histogram Equalization and its Variations,”Computer Vi- sion, Graphics, and Image Processing, vol. 39, no. 3, pp. 355–368, 1987
1987
-
[26]
Mixture Contrast Limited Adaptive Histogram Equalization for Underwater Image Enhancement,
M. S. Hitam, E. A. Awalludin, W. N. J. H. W. Yussof, and Z. Ba- chok, “Mixture Contrast Limited Adaptive Histogram Equalization for Underwater Image Enhancement,” inProceedings of the International Conference on Computer Applications Technology. IEEE, 2013, pp. 1–5
2013
-
[27]
Under- water Image Enhancement by Dehazing with Minimum Information Loss and Histogram Distribution Prior,
C.-Y. Li, J.-C. Guo, R.-M. Cong, Y.-W. Pang, and B. Wang, “Under- water Image Enhancement by Dehazing with Minimum Information Loss and Histogram Distribution Prior,”IEEE Transactions on Image Processing, vol. 25, no. 12, pp. 5664–5677, 2016
2016
-
[28]
Polarimetric Image Recovery Method Combining Histogram Stretching for Underwater Imaging,
Z. L. W. H. Y. Y. W. L. X.-B. Li, H.-F and T. Liu, “Polarimetric Image Recovery Method Combining Histogram Stretching for Underwater Imaging,” Scientific reports, vol. 8, no. 1, p. 12430, 2018
2018
-
[29]
Color balance and fusion for underwater image enhancement,
C. O. Ancuti, C. Ancuti, C. De Vleeschouwer, and P. Bekaert, “Color balance and fusion for underwater image enhancement,”IEEE Trans- actions on image processing, vol. 27, no. 1, pp. 379–393, 2017
2017
-
[30]
Underwater image enhancement based on color balance and multi-scale fusion,
Q. Chen, Z. Zhang, and G. Li, “Underwater image enhancement based on color balance and multi-scale fusion,” IEEE Photonics Journal, vol. 14, no. 6, pp. 1–10, 2022
2022
-
[31]
A new color correction method for underwater imaging,
G. Bianco, M. Muzzupappa, F. Bruno, R. Garcia, and L. Neumann, “A new color correction method for underwater imaging,”The Inter- national Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, vol. 40, pp. 25–32, 2015
2015
-
[32]
Joint Iterative Color Correction and Dehazing for Underwater Image Enhancement,
K. Wang, L. Shen, Y. Lin, M. Li, and Q. Zhao, “Joint Iterative Color Correction and Dehazing for Underwater Image Enhancement,”IEEE Robotics and Automation Letters, vol. 6, no. 3, pp. 5121–5128, 2021
2021
-
[33]
Multi-view underwater image enhancement method via embedded fusion mechanism,
J. Zhou, J. Sun, W. Zhang, and Z. Lin, “Multi-view underwater image enhancement method via embedded fusion mechanism,”Engineering applications of artificial intelligence, vol. 121, p. 105946, 2023
2023
-
[34]
Underwater image enhancement method via multi-feature prior fusion,
J. Zhou, D. Zhang, and W. Zhang, “Underwater image enhancement method via multi-feature prior fusion,”Applied Intelligence, vol. 52, no. 14, pp. 16435–16457, 2022
2022
-
[35]
Underwater image enhancement via weighted wavelet visual percep- tion fusion,
W. Zhang, L. Zhou, P. Zhuang, G. Li, X. Pan, W. Zhao, and C. Li, “Underwater image enhancement via weighted wavelet visual percep- tion fusion,” IEEE Transactions on Circuits and Systems for Video Technology, vol. 34, no. 4, pp. 2469–2483, 2023
2023
-
[36]
Underwater Scene Prior Inspired Deep Underwater Image and Video Enhancement,
C. Li, S. Anwar, and F. Porikli, “Underwater Scene Prior Inspired Deep Underwater Image and Video Enhancement,” Pattern Recognition, vol. 98, pp. 107038–107049, 2020
2020
-
[37]
Underwater Image Enhancement via Minimal Color Loss and Lo- cally Adaptive Contrast Enhancement,
W. Zhang, P. Zhuang, H.-H. Sun, G. Li, S. Kwong, and C. Li, “Underwater Image Enhancement via Minimal Color Loss and Lo- cally Adaptive Contrast Enhancement,”IEEE Transactions on Image Processing, vol. 31, pp. 3997–4010, 2022
2022
-
[38]
Ca- gan: Class-condition attention gan for underwater image enhancement,
J. Wang, P. Li, J. Deng, Y. Du, J. Zhuang, P. Liang, and P. Liu, “Ca- gan: Class-condition attention gan for underwater image enhancement,” IEEE access, vol. 8, pp. 130719–130728, 2020
2020
-
[39]
Pugan: Physical model-guided underwater image enhance- ment using gan with dual-discriminators,
R. Cong, W. Yang, W. Zhang, C. Li, C.-L. Guo, Q. Huang, and S. Kwong, “Pugan: Physical model-guided underwater image enhance- ment using gan with dual-discriminators,”IEEE Transactions on Image Processing, vol. 32, pp. 4472–4485, 2023
2023
-
[40]
Uw-gan: Single-image depth estimation and image enhancement for underwater images,
P. Hambarde, S. Murala, and A. Dhall, “Uw-gan: Single-image depth estimation and image enhancement for underwater images,” IEEE Transactions on Instrumentation and Measurement, vol. 70, pp. 1–12, 2021
2021
-
[41]
Enhancing underwater imagery using generative adversarial networks,
C. Fabbri, M. J. Islam, and J. Sattar, “Enhancing underwater imagery using generative adversarial networks,” in 2018 IEEE international conference on robotics and automation (ICRA). IEEE, 2018, pp. 7159–7165
2018
-
[42]
An Underwater Image Enhancement Benchmark Dataset and Beyond,
C. Li, C. Guo, W. Ren, R. Cong, J. Hou, S. Kwong, and D. Tao, “An Underwater Image Enhancement Benchmark Dataset and Beyond,” IEEE Transactions on Image Processing, vol. 29, pp. 4376–4389, 2019
2019
-
[43]
Underwater image restoration via polymorphic large kernel cnns,
X. Guo, Y. Dong, X. Chen, W. Chen, Z. Li, F. Zheng, and C.-M. Pun, “Underwater image restoration via polymorphic large kernel cnns,” in ICASSP 2025-2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, 2025, pp. 1–5
2025
-
[44]
Cdf-uie: Leveraging cross-domain fusion for underwater image enhancement,
H. Zhang, H. Xu, X. Yu, X. Zhang, X. Gao, and C. Wu, “Cdf-uie: Leveraging cross-domain fusion for underwater image enhancement,” IEEE Transactions on Geoscience and Remote Sensing, 2025
2025
-
[45]
Phaseformer: Phase-based attention mechanism for underwater image restoration and beyond,
M. R. Khan, A. Negi, A. Kulkarni, S. S. Phutke, S. K. Vipparthi, and S. Murala, “Phaseformer: Phase-based attention mechanism for underwater image restoration and beyond,” IEEE, pp. 9618–9629, 2025
2025
-
[46]
Towards progressive multi-frequency representation for image warping,
J. Xiao, Z. Lyu, C. Zhang, Y. Ju, C. Shui, and K.-M. Lam, “Towards progressive multi-frequency representation for image warping,” in Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2024, pp. 2995–3004
2024
-
[47]
A deep- shallow and global–local multi-feature fusion network for photometric stereo,
Y. Liu, Y. Ju, M. Jian, F. Gao, Y. Rao, Y. Hu, and J. Dong, “A deep- shallow and global–local multi-feature fusion network for photometric stereo,” Image and Vision Computing, vol. 118, p. 104368, 2022
2022
-
[48]
Pay attention to devils: A photometric stereo network for better details
Y. Ju, K.-M. Lam, Y. Chen, L. Qi, J. Donget al., “Pay attention to devils: A photometric stereo network for better details.” International Joint Conference on Artificial Intelligence, 2020
2020
-
[49]
Esti- mating high-resolution surface normals via low-resolution photometric stereo images,
Y. Ju, M. Jian, C. Wang, C. Zhang, J. Dong, and K.-M. Lam, “Esti- mating high-resolution surface normals via low-resolution photometric stereo images,”IEEE Transactions on Circuits and Systems for Video Technology, vol. 34, no. 4, pp. 2512–2524, 2023
2023
-
[50]
Gr-psn: Learning to estimate surface normal and reconstruct photometric stereo images,
Y. Ju, B. Shi, Y. Chen, H. Zhou, J. Dong, and K.-M. Lam, “Gr-psn: Learning to estimate surface normal and reconstruct photometric stereo images,”IEEE Transactions on Visualization and Computer Graphics, vol. 30, no. 9, pp. 6192–6207, 2023
2023
-
[51]
Efficient inductive vision transformer for oriented object detection in remote sensing imagery,
C. Zhang, J. Su, Y. Ju, K.-M. Lam, and Q. Wang, “Efficient inductive vision transformer for oriented object detection in remote sensing imagery,” IEEE Transactions on Geoscience and Remote Sensing , vol. 61, pp. 1–20, 2023
2023
-
[52]
Multi-scale weighted nuclear norm image restoration,
N. Yair and T. Michaeli, “Multi-scale weighted nuclear norm image restoration,” inProceedings of the IEEE conference on computer vision and pattern recognition, 2018, pp. 3165–3174
2018
-
[53]
Multi-stage progressive image restoration,
S. W. Zamir, A. Arora, S. Khan, M. Hayat, F. S. Khan, M.-H. Yang, and L. Shao, “Multi-stage progressive image restoration,” inProceedings of the IEEE/CVF conference on computer vision and pattern recognition, 2021, pp. 14821–14831
2021
-
[54]
Multi-scale single image dehazing using laplacian and gaussian pyramids,
Z. Li, H. Shu, and C. Zheng, “Multi-scale single image dehazing using laplacian and gaussian pyramids,”IEEE Transactions on Image Processing, vol. 30, pp. 9270–9279, 2021
2021
-
[55]
Beyond gaussian pyramid: Multi-skip feature stacking for action recognition,
Z. Lan, M. Lin, X. Li, A. G. Hauptmann, and B. Raj, “Beyond gaussian pyramid: Multi-skip feature stacking for action recognition,” in Proceedings of the IEEE conference on computer vision and pattern recognition, 2015, pp. 204–212
2015
-
[56]
Iterative gaussian–laplacian pyramid network for hyperspectral image classification,
C.-I. Chang, C.-C. Liang, and P. F. Hu, “Iterative gaussian–laplacian pyramid network for hyperspectral image classification,”IEEE Trans- actions on Geoscience and Remote Sensing, vol. 62, pp. 1–22, 2024
2024
-
[57]
The laplacian pyramid as a compact image code,
P. J. Burt and E. H. Adelson, “The laplacian pyramid as a compact image code,” in Readings in computer vision. Elsevier, 1987, pp. 671–679
1987
-
[58]
Local laplacian filters: Edge- aware image processing with a laplacian pyramid
S. Paris, S. W. Hasinoff, and J. Kautz, “Local laplacian filters: Edge- aware image processing with a laplacian pyramid.”ACM Trans. Graph., vol. 30, no. 4, p. 68, 2011
2011
-
[59]
U-net: Convolutional net- works for biomedical image segmentation,
O. Ronneberger, P. Fischer, and T. Brox, “U-net: Convolutional net- works for biomedical image segmentation,” inMedical image comput- ing and computer-assisted intervention–MICCAI 2015: 18th interna- tional conference, Munich, Germany, October 5-9, 2015, proceedings, part III ...
2015
-
[60]
Ucl-dehaze: toward real-world image dehazing via unsupervised contrastive learning,
Y. Wang, X. Yan, F. L. Wang, H. Xie, W. Yang, X.-P. Zhang, J. Qin, and M. Wei, “Ucl-dehaze: toward real-world image dehazing via unsupervised contrastive learning,” IEEE Transactions on Image Processing, vol. 33, pp. 1361–1374, 2024
2024
-
[61]
Light-guided and cross-fusion u-net for anti-illumination image super-resolution,
D. Cheng, L. Chen, C. Lv, L. Guo, and Q. Kou, “Light-guided and cross-fusion u-net for anti-illumination image super-resolution,”IEEE Transactions on Circuits and Systems for Video Technology, vol. 32, no. 12, pp. 8436–8449, 2022. JOURNAL OF LATEX CLASS FILES, VOL. 14, NO. 8, ...
2022
-
[62]
Underwa- ter color restoration using u-net denoising autoencoder,
Y. Hashisho, M. Albadawi, T. Krause, and U. F. von Lukas, “Underwa- ter color restoration using u-net denoising autoencoder,” in2019 11th International Symposium on Image and Signal Processing and Analysis (ISPA). IEEE, 2019, pp. 117–122
2019
-
[63]
Feature pyramid networks for object detection,
T.-Y. Lin, P. Dollár, R. Girshick, K. He, B. Hariharan, and S. Belongie, “Feature pyramid networks for object detection,” inProceedings of the IEEE conference on computer vision and pattern recognition, 2017, pp. 2117–2125
2017
-
[64]
Parallel feature pyramid network for object detection,
S.-W. Kim, H.-K. Kook, J.-Y. Sun, M.-C. Kang, and S.-J. Ko, “Parallel feature pyramid network for object detection,” inProceedings of the European conference on computer vision (ECCV), 2018, pp. 234–250
2018
-
[65]
Pyramid attention network for image restoration,
Y. Mei, Y. Fan, Y. Zhang, J. Yu, Y. Zhou, D. Liu, Y. Fu, T. S. Huang, and H. Shi, “Pyramid attention network for image restoration,” International Journal of Computer Vision, vol. 131, no. 12, pp. 3207– 3225, 2023
2023
-
[66]
Uw- former: Underwater image enhancement via a semi-supervised multi- scale transformer,
W. Chen, Y. Lei, S. Luo, Z. Zhou, M. Li, and C.-M. Pun, “Uw- former: Underwater image enhancement via a semi-supervised multi- scale transformer,” in2024 International Joint Conference on Neural Networks (IJCNN). IEEE, 2024, pp. 1–8
2024
-
[67]
Sguie-net: Semantic attention guided underwater image enhancement with multi- scale perception,
Q. Qi, K. Li, H. Zheng, X. Gao, G. Hou, and K. Sun, “Sguie-net: Semantic attention guided underwater image enhancement with multi- scale perception,”IEEE Transactions on Image Processing, vol. 31, pp. 6816–6830, 2022
2022
-
[68]
Hierarchical attention aggregation with multi-resolution feature learning for gan- based underwater image enhancement,
D. Zhang, C. Wu, J. Zhou, W. Zhang, C. Li, and Z. Lin, “Hierarchical attention aggregation with multi-resolution feature learning for gan- based underwater image enhancement,” Engineering Applications of Artificial Intelligence, vol. 125, p. 106743, 2023
2023
-
[69]
Mffn: An underwater sensing scene im- age enhancement method based on multiscale feature fusion network,
R. Chen, Z. Cai, and W. Cao, “Mffn: An underwater sensing scene im- age enhancement method based on multiscale feature fusion network,” IEEE Transactions on Geoscience and Remote Sensing, vol. 60, pp. 1–12, 2021
2021
-
[70]
Underwater image enhance- ment via extended multi-scale retinex,
S. Zhang, T. Wang, J. Dong, and H. Yu, “Underwater image enhance- ment via extended multi-scale retinex,”Neurocomputing, vol. 245, pp. 1–9, 2017
2017
-
[71]
Domain adaptation for underwater image enhancement,
Z. Wang, L. Shen, M. Xu, M. Yu, K. Wang, and Y. Lin, “Domain adaptation for underwater image enhancement,”IEEE Transactions on Image Processing, vol. 32, pp. 1442–1457, 2023
2023
-
[72]
Edge-computing-enabled deep learning approach for low-light satellite image enhancement,
T.-A. Bui, P.-J. Lee, C.-S. Liang, P.-H. Hsu, S.-H. Shiu, and C.-K. Tsai, “Edge-computing-enabled deep learning approach for low-light satellite image enhancement,”IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 17, pp. 4071–4083, 2024
2024
-
[73]
Remote sens- ing image super-resolution with residual split attention mechanism,
X. Chen, Y. Wu, T. Lu, Q. Kong, J. Wang, and Y. Wang, “Remote sens- ing image super-resolution with residual split attention mechanism,” IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 16, pp. 1–13, 2023
2023
-
[74]
Act-sr:Aggregation connection transformer for remote sensing image super-resolution,
Y.Kang,X. Wang,X.Zhang,S. Wang,andG.Jin, “Act-sr:Aggregation connection transformer for remote sensing image super-resolution,” IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2024
2024
-
[75]
Hyda- net: A hybrid dense attention network for remote sensing multi-image super-resolution,
M. R. Ibrahim, R. Benavente, D. Ponsa, and F. Lumbreras, “Hyda- net: A hybrid dense attention network for remote sensing multi-image super-resolution,” IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2025
2025
-
[76]
Atwo-branchmulti- scale residual attention network for single image super-resolution in remote sensing imagery,
A.Patnaik,M.K.Bhuyan,andK.F.MacDorman,“Atwo-branchmulti- scale residual attention network for single image super-resolution in remote sensing imagery,”IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2024
2024
-
[77]
Spectral– spatial generative adversarial network for super-resolution land cover mapping with multispectral remotely sensed imagery,
C. Shang, S. Jiang, F. Ling, X. Li, Y. Zhou, and Y. Du, “Spectral– spatial generative adversarial network for super-resolution land cover mapping with multispectral remotely sensed imagery,”IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. ...
2022
-
[78]
A rapid scene depth estimation model based on underwater light attenuation prior for underwater image restoration,
W. Song, Y. Wang, D. Huang, and D. Tjondronegoro, “A rapid scene depth estimation model based on underwater light attenuation prior for underwater image restoration,” in Advances in Multimedia Information Processing–PCM 2018: 19th Pacific-Rim Conference on Multimedia, Hefei, C...
2018
-
[79]
Springer, 2018, pp. 678–688
2018
-
[80]
Enhancing underwater images and videos by fusion,
C. Ancuti, C. O. Ancuti, T. Haber, and P. Bekaert, “Enhancing underwater images and videos by fusion,” in2012 IEEE conference on computer vision and pattern recognition. IEEE, 2012, pp. 81–88
2012
-
[81]
Pdr-net: Perception-inspired single image dehazing network with refinement,
C. Li, C. Guo, J. Guo, P. Han, H. Fu, and R. Cong, “Pdr-net: Perception-inspired single image dehazing network with refinement,” IEEE Transactions on Multimedia, vol. 22, no. 3, pp. 704–716, 2020
2020
-
[82]
Contrastive semi- supervised learning for underwater image restoration via reliable bank,
S. Huang, K. Wang, H. Liu, J. Chen, and Y. Li, “Contrastive semi- supervised learning for underwater image restoration via reliable bank,” in Proceedings of the IEEE/CVF conference on computer vision and pattern recognition, 2023, pp. 18145–18155
2023
-
[83]
Diffwater: Underwater image enhancement based on conditional de- noising diffusion probabilistic model,
M. Guan, H. Xu, G. Jiang, M. Yu, Y. Chen, T. Luo, and X. Zhang, “Diffwater: Underwater image enhancement based on conditional de- noising diffusion probabilistic model,”IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 17, pp. 2319– 2335, 2023
2023
-
[84]
Ugif-net: An Efficient Fully Guided Information Flow Network for Underwater Image Enhancement,
J. Zhou, B. Li, D. Zhang, J. Yuan, W. Zhang, Z. Cai, and J. Shi, “Ugif-net: An Efficient Fully Guided Information Flow Network for Underwater Image Enhancement,”IEEE Transactions on Geoscience and Remote Sensing, 2023
2023
-
[85]
U-Net: Convolutional Networks for Biomedical Image Segmentation,
O. Ronneberger, P. Fischer, and T. Brox, “U-Net: Convolutional Networks for Biomedical Image Segmentation,” in Medical Image Computing and Computer-Assisted Intervention. Springer, 2015, pp. 234–241
2015
-
[86]
Highway networks,
R. K. Srivastava, K. Greff, and J. Schmidhuber, “Highway networks,” arXiv preprint arXiv:1505.00387, 2015
2015 arXiv
-
[87]
Deep residual learning for image recognition,
K. He, X. Zhang, S. Ren, and J. Sun, “Deep residual learning for image recognition,”in ProceedingsoftheIEEEconferenceoncomputervision and pattern recognition, 2016, pp. 770–778
2016
-
[88]
Multi-residual networks: Improv- ing the speed and accuracy of residual networks,
M. Abdi and S. Nahavandi, “Multi-residual networks: Improv- ing the speed and accuracy of residual networks,” arXiv preprint arXiv:1609.05672, 2016
2016 arXiv
-
[89]
Selective kernel networks,
X. Li, W. Wang, X. Hu, and J. Yang, “Selective kernel networks,” in Proceedings of the IEEE/CVF conference on computer vision and pattern recognition, 2019, pp. 510–519
2019
-
[90]
Recurrent models of visualattention,
V. Mnih, N. Heess, A. Graves, and K. Kavukcuoglu, “Recurrent models of visualattention,”Advances inneural informationprocessing systems, vol. 27, 2014
2014
-
[91]
Neural machine translation by jointly learning to align and translate,
D. Bahdanau, K. Cho, and Y. Bengio, “Neural machine translation by jointly learning to align and translate,”arXiv preprint arXiv:1409.0473, 2014
2014 arXiv
-
[92]
Show, attend and tell: Neural image caption generation with visual attention,
K. Xu, J. Ba, R. Kiros, K. Cho, A. Courville, R. Salakhudinov, R. Zemel, and Y. Bengio, “Show, attend and tell: Neural image caption generation with visual attention,” inInternational conference on machine learning. PMLR, 2015, pp. 2048–2057
2015
-
[93]
Attention is All You Need,
A. Vaswani, N. Shazeer, N. Parmar, J. Uszkoreit, L. Jones, A. N. Gomez, Ł. Kaiser, and I. Polosukhin, “Attention is All You Need,” Advances in Neural Information Processing Systems, vol. 30, 2017
2017
-
[94]
Generative adversarial nets,
I. J. Goodfellow, J. Pouget-Abadie, M. Mirza, B. Xu, D. Warde-Farley, S. Ozair, A. Courville, and Y. Bengio, “Generative adversarial nets,” Advances in neural information processing systems, vol. 27, 2014
2014
-
[95]
Tcrn: A two-step underwater image enhancement network based on triple-color space feature recon- struction,
S. Lin, R. Zhang, Z. Ning, and J. Luo, “Tcrn: A two-step underwater image enhancement network based on triple-color space feature recon- struction,” Journal of Marine Science and Engineering, vol. 11, no. 6, p. 1221, 2023
2023
-
[96]
Coc-ufgan: Underwater image enhancement based on color opponent compensation and dual-subnet underwater fusion generative adversarial network,
Z. Liu, X. Fu, C. Lin, and H. Xu, “Coc-ufgan: Underwater image enhancement based on color opponent compensation and dual-subnet underwater fusion generative adversarial network,”Journal of Visual Communication and Image Representation, vol. 100, p. 104101, 2024
2024
-
[97]
Nas-fpn: Learning scalable feature pyramid architecture for object detection,
G. Ghiasi, T.-Y. Lin, and Q. V. Le, “Nas-fpn: Learning scalable feature pyramid architecture for object detection,” inProceedings of the IEEE/CVF conference on computer vision and pattern recognition, 2019, pp. 7036–7045
2019
-
[98]
Five A + Network: You Only Need 9K Parameters for Underwater Image Enhancement,
J. Jiang, T. Ye, J. Bai, S. Chen, W. Chai, S. Jun, Y. Liu, and E. Chen, “Five A + Network: You Only Need 9K Parameters for Underwater Image Enhancement,”arXiv preprint arXiv:2305.08824, 2023
2023 arXiv
-
[99]
A fusion adversarial underwater im- age enhancement network with a public test dataset,
H. Li, J. Li, and W. Wang, “A fusion adversarial underwater im- age enhancement network with a public test dataset,”arXiv preprint arXiv:1906.06819, 2019
1906 arXiv
-
[100]
Real-world Underwater Enhancement: Challenges, Benchmarks, and Solutions Under Natural Light,
R. Liu, X. Fan, M. Zhu, M. Hou, and Z. Luo, “Real-world Underwater Enhancement: Challenges, Benchmarks, and Solutions Under Natural Light,” IEEE Transactions on Circuits and Systems for Video Technol- ogy, vol. 30, no. 12, pp. 4861–4875, 2020
2020
-
[101]
The unreasonable effectiveness of deep features as a perceptual metric,
R. Zhang, P. Isola, A. A. Efros, E. Shechtman, and O. Wang, “The unreasonable effectiveness of deep features as a perceptual metric,” in Proceedings of the IEEE conference on computer vision and pattern recognition, 2018, pp. 586–595. JOURNAL OF LATEX CLASS FILES, VOL. 14, NO....
2018
-
[2019]
Yakun Ju is currently an Assistant Professor (UK Lecturer) with the School of Computing and Math- ematical Sciences, University of Leicester, U.K
His current research interests include compu- tational intelligence, image processing, system iden- tification, and nonlinear time-series analysis. Yakun Ju is currently an Assistant Professor (UK Lecturer) with the School of Computing and Math- ematical Sciences, University o...
2016
-
[2024]
Currently, his research focuses on several cutting-edge areas, including variational image pro- cessing, medical image processing, and convex op- timization
Reviewed August 6, 2026 · model on record in the stance chip above.
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