Complementary Advantages: Exploiting Cross-Field Frequency Correlation for NIR-Assisted Image Denoising
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Abstract (arXiv)
Existing single-image denoising algorithms often struggle to restore details when dealing with complex noisy images. The introduction of near-infrared (NIR) images offers new possibilities for RGB image denoising. However, due to the inconsistency between NIR and RGB images, the existing works still struggle to balance the contributions of two fields in the process of image fusion. In response to this, in this paper, we develop a cross-field Frequency Correlation Exploiting Network (FCENet) for NIR-assisted image denoising. We first propose the frequency correlation prior based on an in-depth statistical frequency analysis of NIR-RGB image pairs. The prior reveals the complementary correlation of NIR and RGB images in the frequency domain. Leveraging frequency correlation prior, we then establish a frequency learning framework composed of Frequency Dynamic Selection Mechanism (FDSM) and Frequency Exhaustive Fusion Mechanism (FEFM). FDSM dynamically selects complementary information from NIR and RGB images in the frequency domain, and FEFM strengthens the control of common and differential features during the fusion process of NIR and RGB features. Extensive experiments on simulated and real data validate that the proposed method outperforms other state-of-the-art methods. The code will be released at https://github.com/yuchenwang815/FCENet.
Key facts. Cited by 5 papers in the map (data through 14 Oct 2026). Builds on 40 of its 56 references that are in the map. First posted on arXiv 21 Dec 2024.
Builds on
40 of 56 references.
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Built on by
Citing papers per year: 2025: 2; 2026: 3.
5 papers.
- 2025PAD: Phase-Amplitude Decoupling Fusion for Multi-Modal Land Cover Classificationcited by 2
- 2026Toward Robust and 3D-Aware RGB-NIR Imaging in the Darkcited by 2
- 2026CP-WSP: A Declarative CP-SAT Framework for Configurable Multi-Constraint Workforce Schedulingcited by 1
- 2025Hybrid-Domain Synergistic Transformer for Hyperspectral Image Denoisingcited by 0
- 2026Frequency-Decomposed INR for NIR-Assisted Low-Light RGB Image Denoisingcited by 0
- 2026Toward Robust and 3D-Aware RGB-NIR Imaging in the Dark31 Jul 2026
- 2026CP-WSP: A Declarative CP-SAT Framework for Configurable Multi-Constraint Workforce Scheduling6 Jul 2026
- 2026Frequency-Decomposed INR for NIR-Assisted Low-Light RGB Image Denoising18 Apr 2026
- 2025Hybrid-Domain Synergistic Transformer for Hyperspectral Image Denoising27 Jul 2025
- 2025PAD: Phase-Amplitude Decoupling Fusion for Multi-Modal Land Cover Classification27 Apr 2025