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Many flagship smartphone cameras now use a dedicated neural image signal processor (ISP) to render noisy raw sensor images to the final processed output. Training nightmode ISP networks relies on large-scale datasets of image pairs with:…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Abhijith Punnappurath , Abdullah Abuolaim , Abdelrahman Abdelhamed , Alex Levinshtein , Michael S. Brown

This paper reviews the second AIM learned ISP challenge and provides the description of the proposed solutions and results. The participating teams were solving a real-world RAW-to-RGB mapping problem, where to goal was to map the original…

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…

计算机视觉与模式识别 · 计算机科学 2024-04-08 William Ljungbergh , Joakim Johnander , Christoffer Petersson , Michael Felsberg

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…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Ziteng Cui , Tatsuya Harada

RAW-to-sRGB mapping, or the simulation of the traditional camera image signal processor (ISP), aims to generate DSLR-quality sRGB images from raw data captured by smartphone sensors. Despite achieving comparable results to sophisticated…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Yang Ren , Hai Jiang , Menglong Yang , Wei Li , Shuaicheng Liu

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…

计算机视觉与模式识别 · 计算机科学 2020-04-06 Mahmoud Afifi , Michael S. Brown

Reconstructing RGB image from RAW data obtained with a mobile device is related to a number of image signal processing (ISP) tasks, such as demosaicing, denoising, etc. Deep neural networks have shown promising results over hand-crafted ISP…

图像与视频处理 · 电气工程与系统科学 2021-04-08 Byung-Hoon Kim , Joonyoung Song , Jong Chul Ye , JaeHyun Baek

RAW image datasets are more suitable than the standard RGB image datasets for the ill-posed inverse problems in low-level vision, but not common in the literature. There are also a few studies to focus on mapping sRGB images to RAW format.…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Furkan Kınlı , Barış Özcan , Furkan Kıraç

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,…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Kai Chen , Jin Xiao , Leheng Zhang , Kexuan Shi , Shuhang Gu

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,…

图像与视频处理 · 电气工程与系统科学 2021-11-03 Miao Qi , Yuqi Li , Wolfgang Heidrich

Object detection models are typically applied to standard RGB images processed through Image Signal Processing (ISP) pipelines, which are designed to enhance sensor-captured RAW images for human vision. However, these ISP functions can lead…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Shani Gamrian , Hila Barel , Feiran Li , Masakazu Yoshimura , Daisuke Iso

Autonomous driving algorithms usually employ sRGB images as model input due to their compatibility with the human visual system. However, visually pleasing sRGB images are possibly sub-optimal for downstream tasks when compared to RAW…

图像与视频处理 · 电气工程与系统科学 2024-09-05 Anqi Liu , Shiyi Mu , Shugong Xu

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…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Igor Morawski , Yu-An Chen , Yu-Sheng Lin , Shusil Dangi , Kai He , Winston H. Hsu

Single-pixel imaging (SPI) offers a cost-effective route to hyperspectral acquisition but struggles to recover high-fidelity spatial and spectral details under extremely low sampling rates, a severely ill-posed inverse problem. While deep…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Hao Zhang , Bilige Xu , Lichen Wei , Xu Ma , Wenyi Ren

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…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Abhijith Punnappurath , Luxi Zhao , Hoang Le , Abdelrahman Abdelhamed , SaiKiran Kumar Tedla , Michael S. Brown

With the proliferation of mobile devices and the Internet of Things, deep learning models are increasingly deployed on devices with limited computing resources and memory, and are exposed to the threat of adversarial noise. Learning deep…

计算机视觉与模式识别 · 计算机科学 2021-12-30 Xian Wei , Yanhui Huang , Yangyu Xu , Mingsong Chen , Hai Lan , Yuanxiang Li , Zhongfeng Wang , Xuan Tang

Convolutional neural networks (CNNs) are now predominant components in a variety of computer vision (CV) systems. These systems typically include an image signal processor (ISP), even though the ISP is traditionally designed to produce…

图像与视频处理 · 电气工程与系统科学 2021-03-18 Patrick Hansen , Alexey Vilkin , Yury Khrustalev , James Imber , David Hanwell , Matthew Mattina , Paul N. Whatmough

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…

图像与视频处理 · 电气工程与系统科学 2019-08-09 Zhetong Liang , Jianrui Cai , Zisheng Cao , Lei Zhang

With the advent of deep learning methods replacing the ISP in transforming sensor RAW readings into RGB images, numerous methodologies solidified into real-life applications. Equally potent is the task of inverting this process which will…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Jinha Kim , Jun Jiang , Jinwei Gu

Smartphone cameras have gained immense popularity with the adoption of high-resolution and high-dynamic range imaging. As a result, high-performance camera Image Signal Processors (ISPs) are crucial in generating high-quality images for the…