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Defocus blur always occurred in photos when people take photos by Digital Single Lens Reflex Camera(DSLR), giving salient region and aesthetic pleasure. Defocus blur Detection aims to separate the out-of-focus and depth-of-field areas in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Ming Qian , Min Xia , Chunyi Sun , Zhiwei Wang , Liguo Weng

The real human attention is an interactive activity between our visual system and our brain, using both low-level visual stimulus and high-level semantic information. Previous image salient object detection (SOD) works conduct their…

Computer Vision and Pattern Recognition · Computer Science 2020-08-13 Zhenyu Wu , Shuai Li , Chenglizhao Chen , Aimin Hao , Hong Qin

Object detection and semantic segmentation are two of the most widely adopted deep learning algorithms in agricultural applications. One of the major sources of variability in image quality acquired in the outdoors for such tasks is…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Abhisesh Silwal , Tanvir Parhar , Francisco Yandun , George Kantor

In low-light environments, the performance of computer vision algorithms often deteriorates significantly, adversely affecting key vision tasks such as segmentation, detection, and classification. With the rapid advancement of deep…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Fangxue Liu , Lei Fan

Underwater imagery often suffers from severe degradation resulting in low visual quality and reduced object detection performance. This work aims to evaluate state-of-the-art image enhancement models, investigate their effects on underwater…

Image and Video Processing · Electrical Eng. & Systems 2025-04-21 Ali Awad , Ashraf Saleem , Sidike Paheding , Evan Lucas , Serein Al-Ratrout , Timothy C. Havens

Images acquired in low-light environments present significant obstacles for computer vision systems and human perception, especially for applications requiring accurate object recognition and scene analysis. Such images typically manifest…

Image and Video Processing · Electrical Eng. & Systems 2025-10-28 Bibhabasu Debnath , Sahana Ray , Sanjay Ghosh

In this paper, we propose several novel deep learning methods for object saliency detection based on the powerful convolutional neural networks. In our approach, we use a gradient descent method to iteratively modify an input image based on…

Computer Vision and Pattern Recognition · Computer Science 2015-05-07 Hengyue Pan , Bo Wang , Hui Jiang

Salient object detection (SOD), which aims to identify and locate the most salient pixels or regions in images, has been attracting more and more interest due to its various real-world applications. However, this vision task is quite…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Pingping Zhang , Wei Liu , Huchuan Lu , Chunhua Shen

Detecting objects in low-light scenarios presents a persistent challenge, as detectors trained on well-lit data exhibit significant performance degradation on low-light data due to low visibility. Previous methods mitigate this issue by…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Zhipeng Du , Miaojing Shi , Jiankang Deng

Low-light conditions have an adverse impact on machine cognition, limiting the performance of computer vision systems in real life. Since low-light data is limited and difficult to annotate, we focus on image processing to enhance low-light…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Igor Morawski , Kai He , Shusil Dangi , Winston H. Hsu

Automatic Salient object detection has received tremendous attention from research community and has been an increasingly important tool in many computer vision tasks. This paper proposes a novel bottom-up salient object detection framework…

Computer Vision and Pattern Recognition · Computer Science 2017-11-02 Kan Huang , Chunbiao Zhu , Ge Li

Low light conditions in aerial images adversely affect the performance of several vision based applications. There is a need for methods that can efficiently remove the low light attributes and assist in the performance of key vision tasks.…

Computer Vision and Pattern Recognition · Computer Science 2021-02-11 Prateek Garg , Murari Mandal , Pratik Narang

Night images suffer not only from low light, but also from uneven distributions of light. Most existing night visibility enhancement methods focus mainly on enhancing low-light regions. This inevitably leads to over enhancement and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Yeying Jin , Wenhan Yang , Robby T. Tan

Low-light image enhancement is a crucial preprocessing task for some complex vision tasks. Target detection, image segmentation, and image recognition outcomes are all directly impacted by the impact of image enhancement. However, the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Mengfei Wu , Xucheng Xue , Taiji Lan , Xinwei Xu

This paper identifies and addresses a serious design bias of existing salient object detection (SOD) datasets, which unrealistically assume that each image should contain at least one clear and uncluttered salient object. This design bias…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Deng-Ping Fan , Jing Zhang , Gang Xu , Ming-Ming Cheng , Ling Shao

As vision based perception methods are usually built on the normal light assumption, there will be a serious safety issue when deploying them into low light environments. Recently, deep learning based methods have been proposed to enhance…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Junjie Hu , Xiyue Guo , Junfeng Chen , Guanqi Liang , Fuqin Deng , Tin lun Lam

Instance segmentation for low-light imagery remains largely unexplored due to the challenges imposed by such conditions, for example shot noise due to low photon count, color distortions and reduced contrast. In this paper, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Joanne Lin , Nantheera Anantrasirichai , David Bull

In this paper, we present an Improved Data Augmentation (IDA) technique focused on Salient Object Detection (SOD). Standard data augmentation techniques proposed in the literature, such as image cropping, rotation, flipping, and resizing,…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Daniel V. Ruiz , Bruno A. Krinski , Eduardo Todt

Infrared image helps improve the perception capabilities of autonomous driving in complex weather conditions such as fog, rain, and low light. However, infrared image often suffers from low contrast, especially in non-heat-emitting targets…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Siyuan Chai , Xiaodong Guo , Tong Liu

Local feature detection is a key ingredient of many image processing and computer vision applications, such as visual odometry and localization. Most existing algorithms focus on feature detection from a sharp image. They would thus have…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Zhenjun Zhao , Yu Zhai , Ben M. Chen , Peidong Liu