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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…

图像与视频处理 · 电气工程与系统科学 2020-09-15 Linhui Dai , Xiaohong Liu , Chengqi Li , Jun Chen

DNN-based methods have been successful in Image Signal Processor (ISP) and image enhancement (IE) tasks. However, the cost of creating training data for these tasks is considerably higher than for other tasks, making it difficult to prepare…

计算机视觉与模式识别 · 计算机科学 2025-04-04 Masakazu Yoshimura , Junji Otsuka , Radu Berdan , Takeshi Ohashi

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

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…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Yue Cao , Xiaohe Wu , Shuran Qi , Xiao Liu , Zhongqin Wu , Wangmeng Zuo

Computational color constancy refers to the problem of computing the illuminant color so that the images of a scene under varying illumination can be normalized to an image under the canonical illumination. In this paper, we adopt a deep…

计算机视觉与模式识别 · 计算机科学 2016-08-30 Seoung Wug Oh , Seon Joo Kim

Vision based player detection is important in sports applications. Accuracy, efficiency, and low memory consumption are desirable for real-time tasks such as intelligent broadcasting and automatic event classification. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2017-10-02 Keyu Lu , Jianhui Chen , James J. Little , Hangen He

Unprocessed sensor outputs (RAW images) potentially improve both low-level and high-level computer vision algorithms, but the lack of large-scale RAW image datasets is a barrier to research. Thus, reversed Image Signal Processing (ISP)…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Junji Otsuka , Masakazu Yoshimura , Takeshi Ohashi

Enhancing the quality of low-light images plays a very important role in many image processing and multimedia applications. In recent years, a variety of deep learning techniques have been developed to address this challenging task. A…

图像与视频处理 · 电气工程与系统科学 2021-12-13 Long Ma , Risheng Liu , Jiaao Zhang , Xin Fan , Zhongxuan Luo

Nighttime color constancy still remains a challenging problem in computational photography due to low-light noise and complex illumination conditions. We present RL-AWB, a novel framework combining statistical methods with deep…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Yuan-Kang Lee , Kuan-Lin Chen , Chia-Che Chang , Yu-Lun Liu

Recently, Convolutional Neural Networks (CNNs) have been widely used to solve the illuminant estimation problem and have often led to state-of-the-art results. Standard approaches operate directly on the input image. In this paper, we argue…

图像与视频处理 · 电气工程与系统科学 2021-11-11 Firas Laakom , Jenni Raitoharju , Jarno Nikkanen , Alexandros Iosifidis , Moncef Gabbouj

The current industry practice for 24-hour outdoor imaging is to use a silicon camera supplemented with near-infrared (NIR) illumination. This will result in color images with poor contrast at daytime and absence of chrominance at nighttime.…

图像与视频处理 · 电气工程与系统科学 2020-05-12 Feifan Lv , Yinqiang Zheng , Yicheng Li , Feng Lu

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 enhancement techniques almost impossible to apply. Recently,…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Ahmet Serdar Karadeniz , Erkut Erdem , Aykut Erdem

The extremes of lighting (e.g. too much or too little light) usually cause many troubles for machine and human vision. Many recent works have mainly focused on under-exposure cases where images are often captured in low-light conditions…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Hue Nguyen , Diep Tran , Khoi Nguyen , Rang Nguyen

The quality of images captured by smartphones is an important specification since smartphones are becoming ubiquitous as primary capturing devices. The traditional image signal processing (ISP) pipeline in a smartphone camera consists of…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Saumya Gupta , Diplav Srivastava , Umang Chaturvedi , Anurag Jain , Gaurav Khandelwal

We propose a method for depth estimation under different illumination conditions, i.e., day and night time. As photometry is uninformative in regions under low-illumination, we tackle the problem through a multi-sensor fusion approach,…

Image harmonization aims to modify the color of the composited region with respect to the specific background. Previous works model this task as a pixel-wise image-to-image translation using UNet family structures. However, the model size…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Jingtang Liang , Xiaodong Cun , Chi-Man Pun , Jue Wang

Neural rendering provides a fundamentally new way to render photorealistic images. Similar to traditional light-baking methods, neural rendering utilizes neural networks to bake representations of scenes, materials, and lights into latent…

图形学 · 计算机科学 2024-05-30 Ziyang Zhang , Edgar Simo-Serra

Visual Place Recognition (VPR) is the task of retrieving database images similar to a query photo by comparing it to a large database of known images. In real-world applications, extreme illumination changes caused by query images taken at…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Bingxi Liu , Yujie Fu , Feng Lu , Jinqiang Cui , Yihong Wu , Hong Zhang

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…

计算机视觉与模式识别 · 计算机科学 2023-05-05 Eli Schwartz , Alex Bronstein , Raja Giryes

A CNN-based interactive contrast enhancement algorithm, called IceNet, is proposed in this work, which enables a user to adjust image contrast easily according to his or her preference. Specifically, a user provides a parameter for…

图像与视频处理 · 电气工程与系统科学 2021-12-28 Keunsoo Ko , Chang-Su Kim