Single-Image HDR Reconstruction by Learning to Reverse the Camera Pipeline
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Abstract (arXiv)
Recovering a high dynamic range (HDR) image from a single low dynamic range (LDR) input image is challenging due to missing details in under-/over-exposed regions caused by quantization and saturation of camera sensors. In contrast to existing learning-based methods, our core idea is to incorporate the domain knowledge of the LDR image formation pipeline into our model. We model the HDRto-LDR image formation pipeline as the (1) dynamic range clipping, (2) non-linear mapping from a camera response function, and (3) quantization. We then propose to learn three specialized CNNs to reverse these steps. By decomposing the problem into specific sub-tasks, we impose effective physical constraints to facilitate the training of individual sub-networks. Finally, we jointly fine-tune the entire model end-to-end to reduce error accumulation. With extensive quantitative and qualitative experiments on diverse image datasets, we demonstrate that the proposed method performs favorably against state-of-the-art single-image HDR reconstruction algorithms.
Key facts. Cited by 131 papers in the map (data through 7 Oct 2026). First posted on arXiv 2 Apr 2020.
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Citing papers per year: 2021: 17; 2022: 34; 2023: 28; 2024: 23; 2025: 10; 2026: 19.
131 papers.
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- 2021Invertible Image Signal Processingcited by 94
- 2023Deep Learning for Event-based Vision: A Comprehensive Survey and Benchmarkscited by 90
- 2023Embedding Fourier for Ultra-High-Definition Low-Light Image Enhancementcited by 86
- 2021HDRUNet: Single Image HDR Reconstruction with Denoising and Dequantizationcited by 58
- 2021ADNet: Attention-guided Deformable Convolutional Network for High Dynamic Range Imagingcited by 51
- 2022Diverse Plausible 360-Degree Image Outpainting for Efficient 3DCG Background Creationcited by 47
- 2021HDR Video Reconstruction: A Coarse-to-fine Network and A Real-world Benchmark Datasetcited by 45
- 2021Deep Learning for HDR Imaging: State-of-the-Art and Future Trendscited by 45
- 2022Model-Based Image Signal Processors via Learnable Dictionariescited by 43
- 2022HDR-Plenoxels: Self-Calibrating High Dynamic Range Radiance Fieldscited by 40
- 2022Multi-Bracket High Dynamic Range Imaging with Event Camerascited by 37
- 2021NTIRE 2021 Challenge on High Dynamic Range Imaging: Dataset, Methods and Resultscited by 36
38 more
- 2023EverLight: Indoor-Outdoor Editable HDR Lighting Estimationcited by 32
- 2023RawHDR: High Dynamic Range Image Reconstruction from a Single Raw Imagecited by 31
- 2021A New Journey from SDRTV to HDRTVcited by 30
- 2024Lighting Every Darkness with 3DGS: Fast Training and Real-Time Rendering for HDR View Synthesiscited by 27
- 2022Text2Light: Zero-Shot Text-Driven HDR Panorama Generationcited by 24
- 2023ParamISP: Learned Forward and Inverse ISPs using Camera Parameterscited by 23
- 2022Learning sRGB-to-Raw-RGB De-rendering with Content-Aware Metadatacited by 22
- 2024Edify Image: High-Quality Image Generation with Pixel Space Laplacian Diffusion Modelscited by 22
- 2024LEDiff: Latent Exposure Diffusion for HDR Generationcited by 22
- 2022Learning to Adapt to Lightcited by 21
- 2022NightLab: A Dual-level Architecture with Hardness Detection for Segmentation at Nightcited by 21
- 2022GlowGAN: Unsupervised Learning of HDR Images from LDR Images in the Wildcited by 21
- 2022Single-Image HDR Reconstruction by Multi-Exposure Generationcited by 20
- 2024IRIS: Inverse Rendering of Indoor Scenes from Low Dynamic Range Imagescited by 19
- 2021Luminance Attentive Networks for HDR Image and Panorama Reconstructioncited by 18
- 2022High Dynamic Range and Super-Resolution from Raw Image Burstscited by 18
- 2022Perceptual Image Enhancement for Smartphone Real-Time Applicationscited by 18
- 2023Raw Image Reconstruction with Learned Compact Metadatacited by 18
- 2023LAN-HDR: Luminance-based Alignment Network for High Dynamic Range Video Reconstructioncited by 18
- 2023EvHandPose: Event-based 3D Hand Pose Estimation with Sparse Supervisioncited by 17
- 2024Bracket Diffusion: HDR Image Generation by Consistent LDR Denoisingcited by 15
- 2022MIPI 2022 Challenge on Under-Display Camera Image Restoration: Methods and Resultscited by 14
- 2023Beyond the Pixel: a Photometrically Calibrated HDR Dataset for Luminance and Color Predictioncited by 14
- 2025NTIRE 2025 Challenge on Efficient Burst HDR and Restoration: Datasets, Methods, and Resultscited by 14
- 2024BlinkVision: A Benchmark for Optical Flow, Scene Flow and Point Tracking Estimation using RGB Frames and Eventscited by 13
- 2024Cinematic Gaussians: Real-Time HDR Radiance Fields with Depth of Fieldcited by 12
- 2021How to cheat with metrics in single-image HDR reconstructioncited by 11
- 2022Casual Indoor HDR Radiance Capture from Omnidirectional Imagescited by 11
- 2022UDC-UNet: Under-Display Camera Image Restoration via U-Shape Dynamic Networkcited by 11
- 2023Learning a Practical SDR-to-HDRTV Up-conversion using New Dataset and Degradation Modelscited by 11
- 2023Learning Continuous Exposure Value Representations for Single-Image HDR Reconstructioncited by 11
- 2024Intrinsic Single-Image HDR Reconstructioncited by 11
- 2025GaSLight: Gaussian Splats for Spatially-Varying Lighting in HDRcited by 11
- 2021A Two-stage Deep Network for High Dynamic Range Image Reconstructioncited by 10
- 2023Beyond Learned Metadata-based Raw Image Reconstructioncited by 9
- 2023Single Image LDR to HDR Conversion using Conditional Diffusioncited by 9
- 20234K-Resolution Photo Exposure Correction at 125 FPS with ~8K Parameterscited by 9
- 2025AIM 2025 challenge on Inverse Tone Mapping Report: Methods and Resultscited by 8
50 most cited of 131 All 131 (JSON)
- 2026ExpandDiff: Dynamic Range Expanding Diffusion for Single-Image HDR Reconstruction30 Sep 2026
- 2026Texture Space Material Diffusion29 Sep 2026
- 2026HaRP: High Dynamic Range Photosequencing through Dual Reversed Shutter Scanning23 Sep 2026
- 2026RawSLAM: Online HDR Gaussian SLAM from Linear Radiance17 Sep 2026
- 2026Recurrent Dynamic Range Extension11 Sep 2026
- 2026Bio-SFT: Asymmetric Cortical Guidance and Retinal Adaptation for Robust HDR Reconstruction20 Jul 2026
- 2026DeLux: Cross-Modal Local Artifact Restoration in Video Using Neuromorphic Data25 Jun 2026
- 2026Generating HDR Video from SDR Video14 May 2026
- 2026Single-Shot HDR Recovery via a Video Diffusion Prior12 May 2026
- 2026LatentHDR: Decoupling Exposure from Diffusion via Conditional Latent-to-Latent Mapping for Text/Image-to-Panoramic HDR11 May 2026
- 2026ExpoCM: Exposure-Aware One-Step Generative Single-Image HDR Reconstruction4 May 2026
- 2026Linear Image Generation by Synthesizing Exposure Brackets22 Apr 2026
38 more
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- 2026High-Speed Full-Color HDR Imaging via Unwrapping Modulo-Encoded Spike Streams16 Apr 2026
- 2026HDR Video Generation via Latent Alignment with Logarithmic Encoding13 Apr 2026
- 2026DiffHDR: Re-Exposing LDR Videos with Video Diffusion Models7 Apr 2026
- 2026LumaFlux: Lifting 8-Bit Worlds to HDR Reality with Physically-Guided Diffusion Transformers3 Apr 2026
- 2026HDR Reconstruction Boosting with Training-Free and Exposure-Consistent Diffusion23 Feb 2026
- 2026RL-AWB: Deep Reinforcement Learning for Auto White Balance Correction in Low-Light Night-time Scenes8 Jan 2026
- 2025PhysHDR: When Lighting Meets Materials and Scene Geometry in HDR Reconstruction21 Sep 2025
- 2025Lightweight and Fast Real-time Image Enhancement via Decomposition of the Spatial-aware Lookup Tables22 Aug 2025
- 2025AIM 2025 challenge on Inverse Tone Mapping Report: Methods and Results19 Aug 2025
- 2025UNICE: Training A Universal Image Contrast Enhancer23 Jul 2025
- 2025Single-shot HDR using conventional image sensor shutter functions and optical randomization27 Jun 2025
- 2025NTIRE 2025 Challenge on Efficient Burst HDR and Restoration: Datasets, Methods, and Results17 May 2025
- 2025Casual3DHDR: Deblurring High Dynamic Range 3D Gaussian Splatting from Casually Captured Videos24 Apr 2025
- 2025GaSLight: Gaussian Splats for Spatially-Varying Lighting in HDR15 Apr 2025
- 2025Learning to Harmonize Cross-vendor X-ray Images by Non-linear Image Dynamics Correction14 Apr 2025
- 2025TranSplat: Instant Object Relighting in Gaussian Splatting via Spherical Harmonic Radiance Transfer28 Mar 2025
- 2024LEDiff: Latent Exposure Diffusion for HDR Generation19 Dec 2024
- 2024RAWMamba: Unified sRGB-to-RAW De-rendering With State Space Model18 Nov 2024
- 2024Edify Image: High-Quality Image Generation with Pixel Space Laplacian Diffusion Models11 Nov 2024
- 2024BlinkVision: A Benchmark for Optical Flow, Scene Flow and Point Tracking Estimation using RGB Frames and Events27 Oct 2024
- 2024FIPER: Factorized Features for Robust Image Super-Resolution and Compression23 Oct 2024
- 2024A Cycle Ride to HDR: Semantics Aware Self-Supervised Framework for Unpaired LDR-to-HDR Image Reconstruction19 Oct 2024
- 2024Toward Efficient Deep Blind RAW Image Restoration26 Sep 2024
- 2024Deep chroma compression of tone-mapped images24 Sep 2024
- 2024Intrinsic Single-Image HDR Reconstruction20 Sep 2024
- 2024A Learnable Color Correction Matrix for RAW Reconstruction4 Sep 2024
- 2024I2-SLAM: Inverting Imaging Process for Robust Photorealistic Dense SLAM16 Jul 2024
- 2024Sagiri: Low Dynamic Range Image Enhancement with Generative Diffusion Prior13 Jun 2024
- 2024Cinematic Gaussians: Real-Time HDR Radiance Fields with Depth of Field11 Jun 2024
- 2024Lighting Every Darkness with 3DGS: Fast Training and Real-Time Rendering for HDR View Synthesis10 Jun 2024
- 2024Uni-ISP: Toward Unifying the Learning of ISPs from Multiple Mobile Cameras3 Jun 2024
- 2024Semantic Aware Diffusion Inverse Tone Mapping24 May 2024
- 2024Bracket Diffusion: HDR Image Generation by Consistent LDR Denoising23 May 2024
- 2024Improving Bracket Image Restoration and Enhancement with Flow-guided Alignment and Enhanced Feature Aggregation16 Apr 2024
- 2024HDR Imaging for Dynamic Scenes with Events4 Apr 2024
- 2024GTA-HDR: A Large-Scale Synthetic Dataset for HDR Image Reconstruction26 Mar 2024
- 2024Single-Image HDR Reconstruction Assisted Ghost Suppression and Detail Preservation Network for Multi-Exposure HDR Imaging7 Mar 2024
50 newest of 131 All 131 (JSON)
- 2024Edify Image: High-Quality Image Generation with Pixel Space Laplacian Diffusion Modelscited by 22
- 2024Bracket Diffusion: HDR Image Generation by Consistent LDR Denoisingcited by 15
- 2023Single Image LDR to HDR Conversion using Conditional Diffusioncited by 9
- 2024Sagiri: Low Dynamic Range Image Enhancement with Generative Diffusion Priorcited by 3
- 2026DiffHDR: Re-Exposing LDR Videos with Video Diffusion Modelscited by 3
- 2026ExpoCM: Exposure-Aware One-Step Generative Single-Image HDR Reconstructioncited by 1
- 2026LumaFlux: Lifting 8-Bit Worlds to HDR Reality with Physically-Guided Diffusion Transformerscited by 0
- 2026Linear Image Generation by Synthesizing Exposure Bracketscited by 0
- 2026Single-Shot HDR Recovery via a Video Diffusion Priorcited by 0
- 2026Texture Space Material Diffusioncited by 0
- 2026Texture Space Material Diffusion29 Sep 2026
- 2026Single-Shot HDR Recovery via a Video Diffusion Prior12 May 2026
- 2026ExpoCM: Exposure-Aware One-Step Generative Single-Image HDR Reconstruction4 May 2026
- 2026Linear Image Generation by Synthesizing Exposure Brackets22 Apr 2026
- 2026DiffHDR: Re-Exposing LDR Videos with Video Diffusion Models7 Apr 2026
- 2026LumaFlux: Lifting 8-Bit Worlds to HDR Reality with Physically-Guided Diffusion Transformers3 Apr 2026
- 2024Edify Image: High-Quality Image Generation with Pixel Space Laplacian Diffusion Models11 Nov 2024
- 2024Sagiri: Low Dynamic Range Image Enhancement with Generative Diffusion Prior13 Jun 2024
- 2024Bracket Diffusion: HDR Image Generation by Consistent LDR Denoising23 May 2024
- 2023Single Image LDR to HDR Conversion using Conditional Diffusion6 Jul 2023
- 2021Invertible Image Signal Processingcited by 94
- 2023Deep Learning for Event-based Vision: A Comprehensive Survey and Benchmarkscited by 90
- 2023Embedding Fourier for Ultra-High-Definition Low-Light Image Enhancementcited by 86
- 2021HDRUNet: Single Image HDR Reconstruction with Denoising and Dequantizationcited by 58
- 2021ADNet: Attention-guided Deformable Convolutional Network for High Dynamic Range Imagingcited by 51
- 2022Diverse Plausible 360-Degree Image Outpainting for Efficient 3DCG Background Creationcited by 47
- 2021HDR Video Reconstruction: A Coarse-to-fine Network and A Real-world Benchmark Datasetcited by 45
- 2021Deep Learning for HDR Imaging: State-of-the-Art and Future Trendscited by 45
- 2022Model-Based Image Signal Processors via Learnable Dictionariescited by 43
- 2022HDR-Plenoxels: Self-Calibrating High Dynamic Range Radiance Fieldscited by 40
- 2022Multi-Bracket High Dynamic Range Imaging with Event Camerascited by 37
- 2021NTIRE 2021 Challenge on High Dynamic Range Imaging: Dataset, Methods and Resultscited by 36
12 most cited of 120 All 120 (JSON)
- 2026ExpandDiff: Dynamic Range Expanding Diffusion for Single-Image HDR Reconstruction30 Sep 2026
- 2026HaRP: High Dynamic Range Photosequencing through Dual Reversed Shutter Scanning23 Sep 2026
- 2026RawSLAM: Online HDR Gaussian SLAM from Linear Radiance17 Sep 2026
- 2026Recurrent Dynamic Range Extension11 Sep 2026
- 2026Bio-SFT: Asymmetric Cortical Guidance and Retinal Adaptation for Robust HDR Reconstruction20 Jul 2026
- 2026DeLux: Cross-Modal Local Artifact Restoration in Video Using Neuromorphic Data25 Jun 2026
- 2026Generating HDR Video from SDR Video14 May 2026
- 2026LatentHDR: Decoupling Exposure from Diffusion via Conditional Latent-to-Latent Mapping for Text/Image-to-Panoramic HDR11 May 2026
- 2026Lucky High Dynamic Range Smartphone Imaging21 Apr 2026
- 2026High-Speed Full-Color HDR Imaging via Unwrapping Modulo-Encoded Spike Streams16 Apr 2026
- 2026HDR Video Generation via Latent Alignment with Logarithmic Encoding13 Apr 2026
- 2026HDR Reconstruction Boosting with Training-Free and Exposure-Consistent Diffusion23 Feb 2026
12 newest of 120 All 120 (JSON)