Invertible Image Signal Processing
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Abstract (arXiv)
Unprocessed RAW data is a highly valuable image format for image editing and computer vision. However, since the file size of RAW data is huge, most users can only get access to processed and compressed sRGB images. To bridge this gap, we design an Invertible Image Signal Processing (InvISP) pipeline, which not only enables rendering visually appealing sRGB images but also allows recovering nearly perfect RAW data. Due to our framework's inherent reversibility, we can reconstruct realistic RAW data instead of synthesizing RAW data from sRGB images without any memory overhead. We also integrate a differentiable JPEG compression simulator that empowers our framework to reconstruct RAW data from JPEG images. Extensive quantitative and qualitative experiments on two DSLR demonstrate that our method obtains much higher quality in both rendered sRGB images and reconstructed RAW data than alternative methods.
Key facts. Cited by 94 papers in the map (data through 7 Oct 2026). Builds on 24 of its 48 references that are in the map. First posted on arXiv 28 Mar 2021.
Builds on
24 of 48 references.
References · 24
- 2015U-Net: Convolutional Networks for Biomedical Image Segmentationcited by 19,604
- 2015Batch Normalization: Accelerating Deep Network Training by Reducing Internal Covariate Shiftcited by 6,979
- 2016Density estimation using Real NVPcited by 2,029
- 2018Glow: Generative Flow with Invertible 1x1 Convolutionscited by 1,539
- 2014NICE: Non-linear Independent Components Estimationcited by 1,052
- 2018Learning to See in the Darkcited by 459
- 2019Flow++: Improving Flow-Based Generative Models with Variational Dequantization and Architecture Designcited by 258
- 2018Unprocessing Images for Learned Raw Denoisingcited by 250
- 2019Differentiable Soft Quantization: Bridging Full-Precision and Low-Bit Neural Networkscited by 234
- 2020CycleISP: Real Image Restoration via Improved Data Synthesiscited by 212
- 2017Benchmarking Denoising Algorithms with Real Photographscited by 209
- 2017HDR image reconstruction from a single exposure using deep CNNscited by 167
12 more
- 2017Burst Denoising with Kernel Prediction Networkscited by 156
- 2020Single-Image HDR Reconstruction by Learning to Reverse the Camera Pipelinecited by 131
- 2019Zoom To Learn, Learn To Zoomcited by 114
- 2020Invertible Image Rescalingcited by 92
- 2018DeepISP: Towards Learning an End-to-End Image Processing Pipelinecited by 88
- 2020Polarized Reflection Removal with Perfect Alignment in the Wildcited by 69
- 2019Towards Real Scene Super-Resolution with Raw Imagescited by 44
- 2019CameraNet: A Two-Stage Framework for Effective Camera ISP Learningcited by 38
- 2015Convolutional Color Constancycited by 36
- 2021Robust Reflection Removal with Reflection-free Flash-only Cuescited by 34
- 2020CIE XYZ Net: Unprocessing Images for Low-Level Computer Vision Taskscited by 29
- 2017Exposure: A White-Box Photo Post-Processing Frameworkcited by 27
Built on by
Citing papers per year: 2021: 5; 2022: 17; 2023: 21; 2024: 11; 2025: 21; 2026: 19.
94 papers.
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- 2021Enhanced Invertible Encoding for Learned Image Compressioncited by 102
- 2022You Only Need 90K Parameters to Adapt Light: A Light Weight Transformer for Image Enhancement and Exposure Correctioncited by 81
- 2022Towards Blind Watermarking: Combining Invertible and Non-invertible Mechanismscited by 61
- 2022Model-Based Image Signal Processors via Learnable Dictionariescited by 43
- 2023RawHDR: High Dynamic Range Image Reconstruction from a Single Raw Imagecited by 31
- 2023ParamISP: Learned Forward and Inverse ISPs using Camera Parameterscited by 23
- 2022Learning to Immunize Images for Tamper Localization and Self-Recoverycited by 19
- 2024RAW-Adapter: Adapting Pre-trained Visual Model to Camera RAW Imagescited by 19
- 2023Raw Image Reconstruction with Learned Compact Metadatacited by 18
- 2022Invertible Rescaling Network and Its Extensionscited by 15
- 2022D2HNet: Joint Denoising and Deblurring with Hierarchical Network for Robust Night Image Restorationcited by 14
- 2022Robust Reflection Removal with Flash-only Cues in the Wildcited by 14
38 more
- 2021IICNet: A Generic Framework for Reversible Image Conversioncited by 13
- 2023Differentiable JPEG: The Devil is in the Detailscited by 13
- 2021A Categorized Reflection Removal Dataset with Diverse Real-world Scenescited by 12
- 2021From Image to Imuge: Immunized Image Generationcited by 11
- 2022Scale-arbitrary Invertible Image Downscalingcited by 11
- 2022Bitwidth Heterogeneous Federated Learning with Progressive Weight Dequantizationcited by 11
- 2022Reversed Image Signal Processing and RAW Reconstruction. AIM 2022 Challenge Reportcited by 11
- 2023BSRAW: Improving Blind RAW Image Super-Resolutioncited by 11
- 2024Rawformer: Unpaired Raw-to-Raw Translation for Learnable Camera ISPscited by 11
- 2023DRAW: Defending Camera-shooted RAW against Image Manipulationcited by 10
- 2025Time-Aware Auto White Balance in Mobile Photographycited by 10
- 2022Transform your Smartphone into a DSLR Camera: Learning the ISP in the Wildcited by 9
- 2023Self-Asymmetric Invertible Network for Compression-Aware Image Rescalingcited by 9
- 2023Information-containing Adversarial Perturbation for Combating Facial Manipulation Systemscited by 9
- 2023Beyond Learned Metadata-based Raw Image Reconstructioncited by 9
- 2025NTIRE 2025 Challenge on RAW Image Restoration and Super-Resolutioncited by 9
- 2024RAW-Diffusion: RGB-Guided Diffusion Models for High-Fidelity RAW Image Generationcited by 8
- 2025ISPDiffuser: Learning RAW-to-sRGB Mappings with Texture-Aware Diffusion Models and Histogram-Guided Color Consistencycited by 7
- 2023Real-time 6K Image Rescaling with Rate-distortion Optimizationcited by 6
- 2023Learning Many-to-Many Mapping for Unpaired Real-World Image Super-resolution and Downscalingcited by 6
- 2023THInImg: Cross-modal Steganography for Presenting Talking Heads in Imagescited by 6
- 2024ResVR: Joint Rescaling and Viewport Rendering of Omnidirectional Imagescited by 6
- 2023Self-Supervised Reversed Image Signal Processing via Reference-Guided Dynamic Parameter Selectioncited by 5
- 2023Realistic Noise Synthesis with Diffusion Modelscited by 5
- 2024MetaISP -- Exploiting Global Scene Structure for Accurate Multi-Device Color Renditioncited by 5
- 2025Dark-ISP: Enhancing RAW Image Processing for Low-Light Object Detectioncited by 5
- 2023Generating Robust Adversarial Examples against Online Social Networks (OSNs)cited by 4
- 2025Color Matching Using Hypernetwork-Based Kolmogorov-Arnold Networkscited by 4
- 2025RAW Image Reconstruction from RGB on Smartphones. NTIRE 2025 Challenge Reportcited by 4
- 2026RAW-Flow: Advancing RGB-to-RAW Image Reconstruction with Deterministic Latent Flow Matchingcited by 4
- 2022Reversing Image Signal Processors by Reverse Style Transferringcited by 3
- 2023Efficient HDR Reconstruction from Real-World Raw Imagescited by 3
- 2023LDM-ISP: Enhancing Neural ISP for Low Light with Latent Diffusion Modelscited by 3
- 2024A Learnable Color Correction Matrix for RAW Reconstructioncited by 3
- 2024RAWMamba: Unified sRGB-to-RAW De-rendering With State Space Modelcited by 3
- 2026RAWild: Sensor-Agnostic RAW Object Detection via Physics-Guided Curve and Grid Modelingcited by 3
- 2024Simple Image Signal Processing using Global Context Guidancecited by 2
- 2025SimROD: A Simple Baseline for Raw Object Detection with Global and Local Enhancementscited by 2
50 most cited of 94 All 94 (JSON)
- 2026High Dynamic Range Video Reconstruction from Single-Exposure Raw Sequences23 Sep 2026
- 2026Benchmarking RAW and RGB Restoration in Image Signal Processors2 Sep 2026
- 2026FreqAdapt: Frequency-Adaptive Processing for RAW Object Detection4 Aug 2026
- 2026ISPCloak: Weaponizing ISP for Optimization-Free Physical Camouflage against Deepfake Detectors24 Jul 2026
- 2026MambaRaw: Selective State Space Modeling for Efficient 4K Raw Image Reconstruction23 Jun 2026
- 2026Unsupervised Susceptibility Distortion Correction of EPI without Calibration Scans via Image Translation-Based Registration19 Jun 2026
- 2026Making the Discrete Continuous: Synthetic RAW Augmentations for Fine-Grained Evaluation of Person Detection Performance in Low Light21 May 2026
- 2026UniISP: A Unified ISP Framework for Both Human and Machine Vision8 May 2026
- 2026RAWild: Sensor-Agnostic RAW Object Detection via Physics-Guided Curve and Grid Modeling7 May 2026
- 2026RPBA-Net: An Interpretable Residual Pyramid Bilateral Affine Network for RAW-Domain ISP Enhancement5 May 2026
- 2026Linear Image Generation by Synthesizing Exposure Brackets22 Apr 2026
- 2026POS-ISP: Pipeline Optimization at the Sequence Level for Task-aware ISP8 Apr 2026
38 more
- 2026RawGen: Learning Camera Raw Image Generation31 Mar 2026
- 2026SpiralDiff: Spiral Diffusion with LoRA for RGB-to-RAW Conversion Across Cameras16 Mar 2026
- 2026RAW-Domain Degradation Models for Realistic Smartphone Super-Resolution12 Mar 2026
- 2026HDR-NSFF: High Dynamic Range Neural Scene Flow Fields9 Mar 2026
- 2026StegaFFD: Privacy-Preserving Face Forgery Detection via Fine-Grained Steganographic Domain Lifting3 Mar 2026
- 2026Combined Flicker-banding and Moire Removal for Screen-Captured Images2 Feb 2026
- 2026RAW-Flow: Advancing RGB-to-RAW Image Reconstruction with Deterministic Latent Flow Matching28 Jan 2026
- 2025Towards Robust Optical-SAR Object Detection under Missing Modalities: A Dynamic Quality-Aware Fusion Framework27 Dec 2025
- 2025Edit-aware RAW Reconstruction5 Dec 2025
- 2025Experts-Guided Unbalanced Optimal Transport for ISP Learning from Unpaired and/or Paired Data5 Dec 2025
- 2025Versatile Recompression-Aware Perceptual Image Super-Resolution22 Nov 2025
- 2025Raw-JPEG Adapter: Efficient Raw Image Compression with JPEG23 Sep 2025
- 2025MetaSeal: Defending Against Image Attribution Forgery Through Content-Dependent Cryptographic Watermarks13 Sep 2025
- 2025Dark-ISP: Enhancing RAW Image Processing for Low-Light Object Detection11 Sep 2025
- 2025RDDM: Practicing RAW Domain Diffusion Model for Real-world Image Restoration26 Aug 2025
- 2025Efficient Bayer-Domain Video Computer Vision with Fast Motion Estimation and Learned Perception Residual8 Aug 2025
- 2025Tackling Ill-posedness of Reversible Image Conversion with Well-posed Invertible Network4 Aug 2025
- 2025Oneta: Multi-Style Image Enhancement Using Eigentransformation Functions30 Jun 2025
- 2025NTIRE 2025 Challenge on RAW Image Restoration and Super-Resolution2 Jun 2025
- 2025RAW Image Reconstruction from RGB on Smartphones. NTIRE 2025 Challenge Report2 Jun 2025
- 2025Towards Realistic Low-Light Image Enhancement via ISP Driven Data Modeling16 Apr 2025
- 2025Time-Aware Auto White Balance in Mobile Photography8 Apr 2025
- 2025SemiISP/SemiIE: Semi-Supervised Image Signal Processor and Image Enhancement Leveraging One-to-Many Mapping sRGB-to-RAW3 Apr 2025
- 2025ISPDiffuser: Learning RAW-to-sRGB Mappings with Texture-Aware Diffusion Models and Histogram-Guided Color Consistency25 Mar 2025
- 2025RAW-Adapter: Adapting Pre-trained Visual Model to Camera RAW Images and A Benchmark21 Mar 2025
- 2025Color Matching Using Hypernetwork-Based Kolmogorov-Arnold Networks14 Mar 2025
- 2025SimROD: A Simple Baseline for Raw Object Detection with Global and Local Enhancements10 Mar 2025
- 2025Leveraging Motion Estimation for Efficient Bayer-Domain Computer Vision25 Jan 2025
- 2024RAW-Diffusion: RGB-Guided Diffusion Models for High-Fidelity RAW Image Generation20 Nov 2024
- 2024RAWMamba: Unified sRGB-to-RAW De-rendering With State Space Model18 Nov 2024
- 2024Dynamic PET Image Prediction Using a Network Combining Reversible and Irreversible Modules30 Oct 2024
- 2024INN-PAR: Invertible Neural Network for PPG to ABP Reconstruction13 Sep 2024
- 2024A Learnable Color Correction Matrix for RAW Reconstruction4 Sep 2024
- 2024RAW-Adapter: Adapting Pre-trained Visual Model to Camera RAW Images27 Aug 2024
- 2024Uni-ISP: Toward Unifying the Learning of ISPs from Multiple Mobile Cameras3 Jun 2024
- 2024ResVR: Joint Rescaling and Viewport Rendering of Omnidirectional Images25 Apr 2024
- 2024Simple Image Signal Processing using Global Context Guidance17 Apr 2024
- 2024Rawformer: Unpaired Raw-to-Raw Translation for Learnable Camera ISPs16 Apr 2024
50 newest of 94 All 94 (JSON)
- 2024RAW-Diffusion: RGB-Guided Diffusion Models for High-Fidelity RAW Image Generationcited by 8
- 2025ISPDiffuser: Learning RAW-to-sRGB Mappings with Texture-Aware Diffusion Models and Histogram-Guided Color Consistencycited by 7
- 2023Realistic Noise Synthesis with Diffusion Modelscited by 5
- 2026RAW-Flow: Advancing RGB-to-RAW Image Reconstruction with Deterministic Latent Flow Matchingcited by 4
- 2023LDM-ISP: Enhancing Neural ISP for Low Light with Latent Diffusion Modelscited by 3
- 2025RDDM: Practicing RAW Domain Diffusion Model for Real-world Image Restorationcited by 2
- 2026RawGen: Learning Camera Raw Image Generationcited by 0
- 2026Linear Image Generation by Synthesizing Exposure Bracketscited by 0
- 2026Linear Image Generation by Synthesizing Exposure Brackets22 Apr 2026
- 2026RawGen: Learning Camera Raw Image Generation31 Mar 2026
- 2026RAW-Flow: Advancing RGB-to-RAW Image Reconstruction with Deterministic Latent Flow Matching28 Jan 2026
- 2025RDDM: Practicing RAW Domain Diffusion Model for Real-world Image Restoration26 Aug 2025
- 2025ISPDiffuser: Learning RAW-to-sRGB Mappings with Texture-Aware Diffusion Models and Histogram-Guided Color Consistency25 Mar 2025
- 2024RAW-Diffusion: RGB-Guided Diffusion Models for High-Fidelity RAW Image Generation20 Nov 2024
- 2023LDM-ISP: Enhancing Neural ISP for Low Light with Latent Diffusion Models2 Dec 2023
- 2023Realistic Noise Synthesis with Diffusion Models23 May 2023
- 2021Enhanced Invertible Encoding for Learned Image Compressioncited by 102
- 2022You Only Need 90K Parameters to Adapt Light: A Light Weight Transformer for Image Enhancement and Exposure Correctioncited by 81
- 2022Towards Blind Watermarking: Combining Invertible and Non-invertible Mechanismscited by 61
- 2022Model-Based Image Signal Processors via Learnable Dictionariescited by 43
- 2023RawHDR: High Dynamic Range Image Reconstruction from a Single Raw Imagecited by 31
- 2023ParamISP: Learned Forward and Inverse ISPs using Camera Parameterscited by 23
- 2022Learning to Immunize Images for Tamper Localization and Self-Recoverycited by 19
- 2024RAW-Adapter: Adapting Pre-trained Visual Model to Camera RAW Imagescited by 19
- 2023Raw Image Reconstruction with Learned Compact Metadatacited by 18
- 2022Invertible Rescaling Network and Its Extensionscited by 15
- 2022D2HNet: Joint Denoising and Deblurring with Hierarchical Network for Robust Night Image Restorationcited by 14
- 2022Robust Reflection Removal with Flash-only Cues in the Wildcited by 14
12 most cited of 84 All 84 (JSON)
- 2026High Dynamic Range Video Reconstruction from Single-Exposure Raw Sequences23 Sep 2026
- 2026Benchmarking RAW and RGB Restoration in Image Signal Processors2 Sep 2026
- 2026FreqAdapt: Frequency-Adaptive Processing for RAW Object Detection4 Aug 2026
- 2026ISPCloak: Weaponizing ISP for Optimization-Free Physical Camouflage against Deepfake Detectors24 Jul 2026
- 2026Unsupervised Susceptibility Distortion Correction of EPI without Calibration Scans via Image Translation-Based Registration19 Jun 2026
- 2026Making the Discrete Continuous: Synthetic RAW Augmentations for Fine-Grained Evaluation of Person Detection Performance in Low Light21 May 2026
- 2026UniISP: A Unified ISP Framework for Both Human and Machine Vision8 May 2026
- 2026RAWild: Sensor-Agnostic RAW Object Detection via Physics-Guided Curve and Grid Modeling7 May 2026
- 2026RPBA-Net: An Interpretable Residual Pyramid Bilateral Affine Network for RAW-Domain ISP Enhancement5 May 2026
- 2026POS-ISP: Pipeline Optimization at the Sequence Level for Task-aware ISP8 Apr 2026
- 2026SpiralDiff: Spiral Diffusion with LoRA for RGB-to-RAW Conversion Across Cameras16 Mar 2026
- 2026RAW-Domain Degradation Models for Realistic Smartphone Super-Resolution12 Mar 2026
12 newest of 84 All 84 (JSON)