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Imaging in low light is challenging due to low photon count and low SNR. Short-exposure images suffer from noise, while long exposure can induce blur and is often impractical. A variety of denoising, deblurring, and enhancement techniques…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Chen Chen , Qifeng Chen , Jia Xu , Vladlen Koltun

Video denoising for raw image has always been the difficulty of camera image processing. On the one hand, image denoising performance largely determines the image quality, moreover denoising effect in raw image will affect the accuracy of…

图像与视频处理 · 电气工程与系统科学 2022-09-07 Bin Ma , Yueli Hu , Xianxian Lv , Kai Li

A conventional camera performs various signal processing steps sequentially to reconstruct an image from a raw Bayer image. When performing these processing in multiple stages the residual error from each stage accumulates in the image and…

图像与视频处理 · 电气工程与系统科学 2019-08-27 Sivalogeswaran Ratnasingam

The research in dense online 3D mapping is mostly focused on the geometrical accuracy and spatial extent of the reconstructions. Their color appearance is often neglected, leading to inconsistent colors and noticeable artifacts. We rectify…

计算机视觉与模式识别 · 计算机科学 2018-04-23 Sergey V. Alexandrov , Johann Prankl , Michael Zillich , Markus Vincze

Low dynamic range (LDR) cameras cannot deal with wide dynamic range inputs, frequently leading to local overexposure issues. We present a learning-based system to reduce these artifacts without resorting to complex acquisition mechanisms…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Yazhou Xing , Amrita Mazumdar , Anjul Patney , Chao Liu , Hongxu Yin , Qifeng Chen , Jan Kautz , Iuri Frosio

Estimation of optical aberrations from volumetric intensity images is a key step in sensorless adaptive optics for 3D microscopy. Recent approaches based on deep learning promise accurate results at fast processing speeds. However,…

图像与视频处理 · 电气工程与系统科学 2020-10-28 Debayan Saha , Uwe Schmidt , Qinrong Zhang , Aurelien Barbotin , Qi Hu , Na Ji , Martin J. Booth , Martin Weigert , Eugene W. Myers

This research addresses the challenge of camera calibration and distortion parameter prediction from a single image using deep learning models. The main contributions of this work are: (1) demonstrating that a deep learning model, trained…

计算机视觉与模式识别 · 计算机科学 2025-12-04 Faiz Muhammad Chaudhry , Jarno Ralli , Jerome Leudet , Fahad Sohrab , Farhad Pakdaman , Pierre Corbani , Moncef Gabbouj

The ability to record high-fidelity videos at high acquisition rates is central to the study of fast moving phenomena. The difficulty of imaging fast moving scenes lies in a trade-off between motion blur and underexposure noise: On the one…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Weihao Zhuang , Tristan Hascoet , Ryoichi Takashima , Tetsuya Takiguchi

Depth estimation is of critical interest for scene understanding and accurate 3D reconstruction. Most recent approaches in depth estimation with deep learning exploit geometrical structures of standard sharp images to predict corresponding…

计算机视觉与模式识别 · 计算机科学 2018-09-07 Marcela Carvalho , Bertrand Le Saux , Pauline Trouvé-Peloux , Andrés Almansa , Frédéric Champagnat

Event cameras are becoming increasingly popular in robotics and computer vision due to their beneficial properties, e.g., high temporal resolution, high bandwidth, almost no motion blur, and low power consumption. However, these cameras…

机器人学 · 计算机科学 2023-03-24 Andreas Ziegler , Daniel Teigland , Jonas Tebbe , Thomas Gossard , Andreas Zell

Capturing images under extremely low-light conditions poses significant challenges for the standard camera pipeline. Images become too dark and too noisy, which makes traditional image enhancement techniques almost impossible to apply. Very…

计算机视觉与模式识别 · 计算机科学 2020-06-19 Ahmet Serdar Karadeniz , Erkut Erdem , Aykut Erdem

Imaging systems are increasingly used as input to convolutional neural networks (CNN) for object detection; we would like to design cameras that are optimized for this purpose. It is impractical to build different cameras and then acquire…

计算机视觉与模式识别 · 计算机科学 2019-10-25 Zhenyi Liu , Trisha Lian , Joyce Farrell , Brian Wandell

The remarkable progress in neural-network-driven visual data generation, especially with neural rendering techniques like Neural Radiance Fields and 3D Gaussian splatting, offers a powerful alternative to GANs and diffusion models. These…

计算机视觉与模式识别 · 计算机科学 2024-11-14 Chengdong Dong , Vijayakumar Bhagavatula , Zhenyu Zhou , Ajay Kumar

Rolling shutter distortion is highly undesirable for photography and computer vision algorithms (e.g., visual SLAM) because pixels can be potentially captured at different times and poses. In this paper, we propose a deep neural network to…

计算机视觉与模式识别 · 计算机科学 2021-09-15 Jiawei Mo , Md Jahidul Islam , Junaed Sattar

We propose a semantic similarity metric for image registration. Existing metrics like euclidean distance or normalized cross-correlation focus on aligning intensity values, giving difficulties with low intensity contrast or noise. Our…

计算机视觉与模式识别 · 计算机科学 2020-11-12 Steffen Czolbe , Oswin Krause , Aasa Feragen

As a neuromorphic sensor with high temporal resolution, spike cameras offer notable advantages over traditional cameras in high-speed vision applications such as high-speed optical estimation, depth estimation, and object tracking. Inspired…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Yijia Guo , Yuanxi Bai , Liwen Hu , Mianzhi Liu , Ziyi Guo , Lei Ma , Tiejun Huang

Low-light photography produces images with low signal-to-noise ratios due to limited photons. In such conditions, common approximations like the Gaussian noise model fall short, and many denoising techniques fail to remove noise…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Liying Lu , Raphaël Achddou , Sabine Süsstrunk

Raman spectroscopy enables non-destructive, label-free molecular analysis with high specificity, making it a powerful tool for biomedical diagnostics. However, its application to biological tissues is challenged by inherently weak Raman…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Mengkun Chen , Sanidhya D. Tripathi , James W. Tunnell

This paper presents a modular neural image signal processing (ISP) framework that processes raw inputs and renders high-quality display-referred images. Unlike prior neural ISP designs, our method introduces a high degree of modularity,…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Mahmoud Afifi , Zhongling Wang , Ran Zhang , Michael S. Brown

Modern digital cameras rely on the sequential execution of separate image processing steps to produce realistic images. The first two steps are usually related to denoising and demosaicking where the former aims to reduce noise from the…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Filippos Kokkinos , Stamatios Lefkimmiatis