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We develop a framework for rendering photographic images, taking into account display limitations, so as to optimize perceptual similarity between the rendered image and the original scene. We formulate this as a constrained optimization…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Valero Laparra , Alex Berardino , Johannes Ballé , Eero P. Simoncelli

Images acquired by computer vision systems under low light conditions have multiple characteristics like high noise, lousy illumination, reflectance, and bad contrast, which make object detection tasks difficult. Much work has been done to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Winston Chen , Tejas Shah

Recommender system has been researched for decades with millions of different versions of algorithms created in the industry. In spite of the huge amount of work spent on the field, there are many basic questions to be answered in the…

Information Retrieval · Computer Science 2023-11-16 Hao Wang

Real-world stereo image super-resolution has a significant influence on enhancing the performance of computer vision systems. Although existing methods for single-image super-resolution can be applied to improve stereo images, these methods…

Image and Video Processing · Electrical Eng. & Systems 2023-12-14 Yuanbo Zhou , Yuyang Xue , Jiang Bi , Wenlin He , Xinlin Zhang , Jiajun Zhang , Wei Deng , Ruofeng Nie , Junlin Lan , Qinquan Gao , Tong Tong

As critical visual details become obscured, the low visibility and high ISO noise in extremely low-light images pose a significant challenge to human pose estimation. Current methods fail to provide high-quality representations due to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Feng Zhang , Ze Li , Xiatian Zhu , Lei Chen

This article discuss the problem of color image content comparison. Particularly, methods of image content comparison are analyzed, restrictions of color histogram are described and a modified method of images content comparison is…

Computer Vision and Pattern Recognition · Computer Science 2018-04-05 Anas M. Al-Oraiqat , Natalya S. Kostyukova

Low-light images are not conducive to human observation and computer vision algorithms due to their low visibility. Although many image enhancement techniques have been proposed to solve this problem, existing methods inevitably introduce…

Computer Vision and Pattern Recognition · Computer Science 2017-11-03 Zhenqiang Ying , Ge Li , Wen Gao

Imaging through dense fog presents unique challenges, with essential visual information crucial for applications like object detection and recognition obscured, thereby hindering conventional image processing methods. Despite improvements…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Libang Chen , Jinyan Lin , Qihang Bian , Yikun Liu , Jianying Zhou

Image acquisition in low-light conditions suffers from poor quality and significant degradation in visual aesthetics. This affects the visual perception of the acquired image and the performance of various computer vision and image…

Computer Vision and Pattern Recognition · Computer Science 2022-03-10 Sumit Shekhar , Max Reimann , Amir Semmo , Sebastian Pasewaldt , Jürgen Döllner , Matthias Trapp

Image harmonization is an important step in photo editing to achieve visual consistency in composite images by adjusting the appearances of foreground to make it compatible with background. Previous approaches to harmonize composites are…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Konstantin Sofiiuk , Polina Popenova , Anton Konushin

We present a method for harmonizing the lighting of a foreground video to match a target background scene, adjusting shadows, color tone, and illumination intensity (relightful harmonization). Unlike images, acquiring labeled data for…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Jun Myeong Choi , Jae Shin Yoon , Luchao Qi , Roni Sengupta , Joon-Young Lee

Although remarkable progress has been made, existing methods for enhancing underexposed photos tend to produce visually unpleasing results due to the existence of visual artifacts (e.g., color distortion, loss of details and uneven…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Qing Zhang , Yongwei Nie , Lei Zhu , Chunxia Xiao , Wei-Shi Zheng

Images taken under low-light conditions tend to suffer from poor visibility, which can decrease image quality and even reduce the performance of the downstream tasks. It is hard for a CNN-based method to learn generalized features that can…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Yi Huang , Xiaoguang Tu , Gui Fu , Tingting Liu , Bokai Liu , Ming Yang , Ziliang Feng

Most recent methods of deep image enhancement can be generally classified into two types: decompose-and-enhance and illumination estimation-centric. The former is usually less efficient, and the latter is constrained by a strong assumption…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Xiaomeng Wu , Yongqing Sun , Akisato Kimura

This paper presents a novel and efficient image enhancement method based on pigment representation. Unlike conventional methods where the color transformation is restricted to pre-defined color spaces like RGB, our method dynamically adapts…

Image and Video Processing · Electrical Eng. & Systems 2025-10-06 Se-Ho Lee , Keunsoo Ko , Seung-Wook Kim

Enhancing images in low-light conditions is an important challenge in computer vision. Insufficient illumination negatively affects the quality of images, resulting in low contrast, intensive noise, and blurred details. This paper presents…

Existing methods for enhancing dark images captured in a very low-light environment assume that the intensity level of the optimal output image is known and already included in the training set. However, this assumption often does not hold,…

Image and Video Processing · Electrical Eng. & Systems 2023-04-05 Evgeny Hershkovitch Neiterman , Michael Klyuchka , Gil Ben-Artzi

Image harmonization aims to improve the quality of image compositing by matching the "appearance" (\eg, color tone, brightness and contrast) between foreground and background images. However, collecting large-scale annotated datasets for…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Yifan Jiang , He Zhang , Jianming Zhang , Yilin Wang , Zhe Lin , Kalyan Sunkavalli , Simon Chen , Sohrab Amirghodsi , Sarah Kong , Zhangyang Wang

Principle objective of Image enhancement is to process an image so that result is more suitable than original image for specific application. Digital image enhancement techniques provide a multitude of choices for improving the visual…

Computer Vision and Pattern Recognition · Computer Science 2010-03-23 Raman Maini , Himanshu Aggarwal

There is widespread interest in estimating the fluorescence properties of natural materials in an image. However, the separation between reflected and fluoresced components is difficult, because it is impossible to distinguish reflected and…

Computer Vision and Pattern Recognition · Computer Science 2016-05-16 Henryk Blasinski , Joyce Farrell , Brian Wandell