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Nowadays, many of the images captured are `observed' by machines only and not by humans, e.g., in autonomous systems. High-level machine vision models, such as object recognition or semantic segmentation, assume images are transformed into…

Computer Vision and Pattern Recognition · Computer Science 2023-05-05 Eli Schwartz , Alex Bronstein , Raja Giryes

RGB-to-RAW reconstruction, or the reverse modeling of a camera Image Signal Processing (ISP) pipeline, aims to recover high-fidelity RAW data from RGB images. Despite notable progress, existing learning-based methods typically treat this…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Zhen Liu , Diedong Feng , Hai Jiang , Liaoyuan Zeng , Hao Wang , Chaoyu Feng , Lei Lei , Bing Zeng , Shuaicheng Liu

RAW to sRGB mapping, which aims to convert RAW images from smartphones into RGB form equivalent to that of Digital Single-Lens Reflex (DSLR) cameras, has become an important area of research. However, current methods often ignore the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Xuanhua He , Tao Hu , Guoli Wang , Zejin Wang , Run Wang , Qian Zhang , Keyu Yan , Ziyi Chen , Rui Li , Chenjun Xie , Jie Zhang , Man Zhou

RAW images are unprocessed camera sensor output with sensor-specific RGB values based on the sensor's color filter spectral sensitivities. RAW images also incur strong color casts due to the sensor's response to the spectral properties of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Abhijith Punnappurath , Luxi Zhao , Hoang Le , Abdelrahman Abdelhamed , SaiKiran Kumar Tedla , Michael S. Brown

We present DeepISP, a full end-to-end deep neural model of the camera image signal processing (ISP) pipeline. Our model learns a mapping from the raw low-light mosaiced image to the final visually compelling image and encompasses low-level…

Image and Video Processing · Electrical Eng. & Systems 2019-02-05 Eli Schwartz , Raja Giryes , Alex M. Bronstein

The Image Signal Processor (ISP) is a fundamental component in modern smartphone cameras responsible for conversion of RAW sensor image data to RGB images with a strong focus on perceptual quality. Recent work highlights the potential of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Andrei Arhire , Radu Timofte

Imaging under extremely low-light conditions presents a significant challenge and is an ill-posed problem due to the low signal-to-noise ratio (SNR) caused by minimal photon capture. Previously, diffusion models have been used for multiple…

Image and Video Processing · Electrical Eng. & Systems 2024-03-01 Rishit Dagli

Digital cameras transform sensor RAW readings into RGB images by means of their Image Signal Processor (ISP). Computational photography tasks such as image denoising and colour constancy are commonly performed in the RAW domain, in part due…

Image and Video Processing · Electrical Eng. & Systems 2022-09-23 Marcos V. Conde , Steven McDonagh , Matteo Maggioni , Aleš Leonardis , Eduardo Pérez-Pellitero

Challenging illumination conditions (low-light, under-exposure and over-exposure) in the real world not only cast an unpleasant visual appearance but also taint the computer vision tasks. After camera captures the raw-RGB data, it renders…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Ziteng Cui , Kunchang Li , Lin Gu , Shenghan Su , Peng Gao , Zhengkai Jiang , Yu Qiao , Tatsuya Harada

Deep learning technologies have become the backbone for the development of computer vision. With further explorations, deep neural networks have been found vulnerable to well-designed adversarial attacks. Most of the vision devices are…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Junjian Li , Honglong Chen

The success of deep denoisers on real-world color photographs usually relies on the modeling of sensor noise and in-camera signal processing (ISP) pipeline. Performance drop will inevitably happen when the sensor and ISP pipeline of test…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Yue Cao , Xiaohe Wu , Shuran Qi , Xiao Liu , Zhongqin Wu , Wangmeng Zuo

Image signal processing (ISP) pipeline plays a fundamental role in digital cameras, which converts raw Bayer sensor data to RGB images. However, ISP-generated images usually suffer from imperfections due to the compounded degradations that…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Yanhui Guo , Fangzhou Luo , Xiaolin Wu

In the computer vision community, the preference for pre-training visual models has largely shifted toward sRGB images due to their ease of acquisition and compact storage. However, camera RAW images preserve abundant physical details…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Ziteng Cui , Jianfei Yang , Tatsuya Harada

Image signal processors (ISPs) are historically grown legacy software systems for reconstructing color images from noisy raw sensor measurements. Each smartphone manufacturer has developed its ISPs with its own characteristic heuristics for…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Matheus Souza , Wolfgang Heidrich

Event-guided imaging has received significant attention due to its potential to revolutionize instant imaging systems. However, the prior methods primarily focus on enhancing RGB images in a post-processing manner, neglecting the challenges…

Computer Vision and Pattern Recognition · Computer Science 2025-02-03 Yunfan Lu , Yanlin Qian , Ziyang Rao , Junren Xiao , Liming Chen , Hui Xiong

Invisible image watermarking is essential for image copyright protection. Compared to RGB images, RAW format images use a higher dynamic range to capture the radiometric characteristics of the camera sensor, providing greater flexibility in…

Image and Video Processing · Electrical Eng. & Systems 2023-07-31 Kang Fu , Xiaohong Liu , Jun Jia , Zicheng Zhang , Yicong Peng , Jia Wang , Guangtao Zhai

Conventional image signal processing (ISP) frameworks are designed to reconstruct an RGB image from a single raw measurement. As multi-camera systems become increasingly popular these days, it is worth exploring improvements in ISP…

Image and Video Processing · Electrical Eng. & Systems 2022-11-16 Ahmad Bin Rabiah , Qi Guo

Image Signal Processors (ISPs) play important roles in image recognition tasks as well as in the perceptual quality of captured images. In most cases, experts make a lot of effort to manually tune many parameters of ISPs, but the parameters…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Masakazu Yoshimura , Junji Otsuka , Atsushi Irie , Takeshi Ohashi

Image Signal Processor (ISP) is a crucial component in digital cameras that transforms sensor signals into images for us to perceive and understand. Existing ISP designs always adopt a fixed architecture, e.g., several sequential modules…

Image and Video Processing · Electrical Eng. & Systems 2021-09-13 Ke Yu , Zexian Li , Yue Peng , Chen Change Loy , Jinwei Gu

We propose a trainable Image Signal Processing (ISP) framework that produces DSLR quality images given RAW images captured by a smartphone. To address the color misalignments between training image pairs, we employ a color-conditional ISP…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Ardhendu Shekhar Tripathi , Martin Danelljan , Samarth Shukla , Radu Timofte , Luc Van Gool