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In recent years, there has been a growing trend in computer vision towards exploiting RAW sensor data, which preserves richer information compared to conventional low-bit RGB images. Early studies mainly focused on enhancing visual quality,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Kai Chen , Jin Xiao , Leheng Zhang , Kexuan Shi , Shuhang Gu

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

As the quality of mobile cameras starts to play a crucial role in modern smartphones, more and more attention is now being paid to ISP algorithms used to improve various perceptual aspects of mobile photos. In this Mobile AI challenge, the…

Modern end-to-end image signal processors (ISPs) can learn complex mappings from RAW/XYZ data to sRGB (and vice versa), opening new possibilities in image processing. However, the growing diversity of camera models, particularly in mobile…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Lingen Li , Mingde Yao , Xingyu Meng , Muquan Yu , Tianfan Xue , Jinwei Gu

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

As the popularity of mobile photography is growing constantly, lots of efforts are being invested now into building complex hand-crafted camera ISP solutions. In this work, we demonstrate that even the most sophisticated ISP pipelines can…

Computer Vision and Pattern Recognition · Computer Science 2020-02-14 Andrey Ignatov , Luc Van Gool , Radu Timofte

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

sRGB images are now the predominant choice for pre-training visual models in computer vision research, owing to their ease of acquisition and efficient storage. Meanwhile, the advantage of RAW images lies in their rich physical information…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Ziteng Cui , Tatsuya Harada

As the revolutionary improvement being made on the performance of smartphones over the last decade, mobile photography becomes one of the most common practices among the majority of smartphone users. However, due to the limited size of…

Image and Video Processing · Electrical Eng. & Systems 2020-09-15 Linhui Dai , Xiaohong Liu , Chengqi Li , Jun Chen

Object detection in low-light conditions remains a challenging but important problem with many practical implications. Some recent works show that, in low-light conditions, object detectors using raw image data are more robust than…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Igor Morawski , Yu-An Chen , Yu-Sheng Lin , Shusil Dangi , Kai He , Winston H. Hsu

Full DNN-based image signal processors (ISPs) have been actively studied and have achieved superior image quality compared to conventional ISPs. In contrast to this trend, we propose a lightweight ISP that consists of simple conventional…

Image and Video Processing · Electrical Eng. & Systems 2024-03-18 Masakazu Yoshimura , Junji Otsuka , Takeshi Ohashi

Traditional image signal processing (ISP) pipeline consists of a set of individual image processing components onboard a camera to reconstruct a high-quality sRGB image from the sensor raw data. Due to the hand-crafted nature of the ISP…

Image and Video Processing · Electrical Eng. & Systems 2019-08-09 Zhetong Liang , Jianrui Cai , Zisheng Cao , Lei Zhang

This thesis presents methods and approaches to image color correction, color enhancement, and color editing. To begin, we study the color correction problem from the standpoint of the camera's image signal processor (ISP). A camera's ISP is…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Mahmoud Afifi

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

Images fed to a deep neural network have in general undergone several handcrafted image signal processing (ISP) operations, all of which have been optimized to produce visually pleasing images. In this work, we investigate the hypothesis…

Computer Vision and Pattern Recognition · Computer Science 2024-04-08 William Ljungbergh , Joakim Johnander , Christoffer Petersson , Michael Felsberg

Image Signal Processor (ISP) comprises of various blocks to reconstruct image sensor raw data to final image consumed by human visual system or computer vision applications. Each block typically has many tuning parameters due to the…

Computer Vision and Pattern Recognition · Computer Science 2019-02-26 Jun Nishimura , Timo Gerasimow , Sushma Rao , Aleksandar Sutic , Chyuan-Tyng Wu , Gilad Michael

We introduce a deep learning approach to realistically edit an sRGB image's white balance. Cameras capture sensor images that are rendered by their integrated signal processor (ISP) to a standard RGB (sRGB) color space encoding. The ISP…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Mahmoud Afifi , Michael S. Brown

RAW images are rarely shared mainly due to its excessive data size compared to their sRGB counterparts obtained by camera ISPs. Learning the forward and inverse processes of camera ISPs has been recently demonstrated, enabling…

Image and Video Processing · Electrical Eng. & Systems 2024-04-16 Woohyeok Kim , Geonu Kim , Junyong Lee , Seungyong Lee , Seung-Hwan Baek , Sunghyun Cho

The role of mobile cameras increased dramatically over the past few years, leading to more and more research in automatic image quality enhancement and RAW photo processing. In this Mobile AI challenge, the target was to develop an…

Under-display cameras have been proposed in recent years as a way to reduce the form factor of mobile devices while maximizing the screen area. Unfortunately, placing the camera behind the screen results in significant image distortions,…

Image and Video Processing · Electrical Eng. & Systems 2021-11-03 Miao Qi , Yuqi Li , Wolfgang Heidrich