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Weakly-supervised semantic segmentation under image tags supervision is a challenging task as it directly associates high-level semantic to low-level appearance. To bridge this gap, in this paper, we propose an iterative bottom-up and…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Xiang Wang , Shaodi You , Xi Li , Huimin Ma

Extracting useful visual cues for the downstream tasks is especially challenging under low-light vision. Prior works create enhanced representations by either correlating visual quality with machine perception or designing…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Khurram Azeem Hashmi , Goutham Kallempudi , Didier Stricker , Muhammamd Zeshan Afzal

Low-light image enhancement remains an open problem, and the new wave of artificial intelligence is at the center of this problem. This work describes the use of genetic algorithms for optimizing analytical models that can improve the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Axel Martinez , Emilio Hernandez , Matthieu Olague , Gustavo Olague

Visual perception in autonomous driving is a crucial part of a vehicle to navigate safely and sustainably in different traffic conditions. However, in bad weather such as heavy rain and haze, the performance of visual perception is greatly…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Younkwan Lee , Jihyo Jeon , Yeongmin Ko , Byunggwan Jeon , Moongu Jeon

In some scenarios, a single input image may not be enough to allow the object classification. In those cases, it is crucial to explore the complementary information extracted from images presenting the same object from multiple perspectives…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Gabriel Machado , Keiller Nogueira , Matheus Barros Pereira , Jefersson Alex dos Santos

Learning-based methods have made promising advances in low-light RAW image enhancement, while their capability to extremely dark scenes where the environmental illuminance drops as low as 0.0001 lux remains to be explored due to the lack of…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Hai Jiang , Binhao Guan , Zhen Liu , Xiaohong Liu , Jian Yu , Zheng Liu , Songchen Han , Shuaicheng Liu

Video object segmentation is a fundamental step in many advanced vision applications. Most existing algorithms are based on handcrafted features such as HOG, super-pixel segmentation or texture-based techniques, while recently deep features…

Computer Vision and Pattern Recognition · Computer Science 2018-11-06 Maryam Sultana , Arif Mahmood , Sajid Javed , Soon Ki Jung

We present a lightweight two-stage framework for low-light image enhancement (LLIE) that achieves competitive perceptual quality with significantly fewer parameters than existing methods. Our approach combines frozen algorithm-based…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Shimon Murai , Teppei Kurita , Ryuta Satoh , Yusuke Moriuchi

Decreased visibility, intensive noise, and biased color are the common problems existing in low-light images. These visual disturbances further reduce the performance of high-level vision tasks, such as object detection, and tracking. To…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Hao Chen , Zhi Jin

To cope with the challenges that low light conditions produce in images, photographers tend to use the light provided by the camera flash to get better illumination. Nevertheless, harsh shadows and non-uniform illumination can arise from…

Image and Video Processing · Electrical Eng. & Systems 2020-02-25 José Chávez , Rensso Mora , Edward Cayllahua-Cahuina

This paper tackles the intricate challenge of improving the quality of nighttime images under hazy and low-light conditions. Overcoming issues including nonuniform illumination glows, texture blurring, glow effects, color distortion, noise…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Silvano A. Bernabel , Sos S. Agaian

The difficulty in obtaining labeled data relevant to a given task is among the most common and well-known practical obstacles to applying deep learning techniques to new or even slightly modified domains. The data volumes required by the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Jonathan Howe , Kyle Pula , Aaron A. Reite

Object detection in aerial images is an important task in environmental, economic, and infrastructure-related tasks. One of the most prominent applications is the detection of vehicles, for which deep learning approaches are increasingly…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Immanuel Weber , Jens Bongartz , Ribana Roscher

Visual detection of Unmanned Aerial Vehicles (UAVs) is a critical task in surveillance systems due to their small physical size and environmental challenges. Although deep learning models have achieved significant progress, deploying them…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Amir Zamani , Zeinab Abedini

This paper presents an algorithm that enhances undesirably illuminated images by generating and fusing multi-level illuminations from a single image.The input image is first decomposed into illumination and reflectance components by using…

Computer Vision and Pattern Recognition · Computer Science 2017-08-03 Jae Sung Park , Nam Ik Cho

Enhancing the visibility of nighttime hazy images is challenging due to the complex degradation distributions. Existing methods mainly address a single type of degradation (e.g., haze or low-light) at a time, ignoring the interplay of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Chen Zhu , Huiwen Zhang , Mu He , Yujie Li , Xiaotian Qiao

Recent years have witnessed the fast evolution and promising performance of the convolutional neural network (CNN)-based trackers, which aim at imitating biological visual systems. However, current CNN-based trackers can hardly generalize…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Junjie Ye , Changhong Fu , Guangze Zheng , Ziang Cao , Bowen Li

Low-light image enhancement presents two primary challenges: 1) Significant variations in low-light images across different conditions, and 2) Enhancement levels influenced by subjective preferences and user intent. To address these issues,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Ming Zhao , Pingping Liu , Tongshun Zhang , Zhe Zhang

In addition to low light, night images suffer degradation from light effects (e.g., glare, floodlight, etc). However, existing nighttime visibility enhancement methods generally focus on low-light regions, which neglects, or even amplifies…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Shufan Pei , Junhong Lin , Wenxi Liu , Tiesong Zhao , Chia-Wen Lin

We propose GAN-based image enhancement models for frequency enhancement of 2D and 3D seismic images. Seismic imagery is used to understand and characterize the Earth's subsurface for energy exploration. Because these images often suffer…

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