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Image Forgery Localization (IFL) technology aims to detect and locate the forged areas in an image, which is very important in the field of digital forensics. However, existing IFL methods suffer from feature degradation during training…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Yakun Niu , Pei Chen , Lei Zhang , Lei Tan , Yingjian Chen

Shadow removal is challenging due to the complex interaction of geometry, lighting, and environmental factors. Existing unsupervised methods often overlook shadow-specific priors, leading to incomplete shadow recovery. To address this…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Tao Lin , Qingwang Wang , Qiwei Liang , Minghua Tang , Yuxuan Sun

Image fusion aims to integrate complementary information across modalities to generate high-quality fused images, thereby enhancing the performance of high-level vision tasks. While global spatial modeling mechanisms show promising results,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Guan Zheng , Xue Wang , Wenhua Qian , Peng Liu , Runzhuo Ma

This paper considers matching images of low-light scenes, aiming to widen the frontier of SfM and visual SLAM applications. Recent image sensors can record the brightness of scenes with more than eight-bit precision, available in their…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Wenzheng Song , Masanori Suganuma , Xing Liu , Noriyuki Shimobayashi , Daisuke Maruta , Takayuki Okatani

Light field salient object detection (SOD) is an emerging research direction attributed to the richness of light field data. However, most existing methods lack effective handling of focal stacks, therefore making the latter involved in a…

Computer Vision and Pattern Recognition · Computer Science 2023-05-10 Bo Yuan , Yao Jiang , Keren Fu , Qijun Zhao

Object detection is a cornerstone of environmental perception in advanced driver assistance systems(ADAS). However, most existing methods rely on RGB cameras, which suffer from significant performance degradation under low-light conditions…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Hao Wu , Junzhou Chen , Ronghui Zhang , Nengchao Lyu , Hongyu Hu , Yanyong Guo , Tony Z. Qiu

Despite the significant progress in image denoising, it is still challenging to restore fine-scale details while removing noise, especially in extremely low-light environments. Leveraging near-infrared (NIR) images to assist visible RGB…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Rongjian Xu , Zhilu Zhang , Renlong Wu , Wangmeng Zuo

To advance research in learning-based defogging algorithms, various synthetic fog datasets have been developed. However, existing datasets created using the Atmospheric Scattering Model (ASM) or real-time rendering engines often struggle to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Yiming Xie , Henglu Wei , Zhenyi Liu , Xiaoyu Wang , Xiangyang Ji

Real world images often have highly imbalanced content density. Some areas are very uniform, e.g., large patches of blue sky, while other areas are scattered with many small objects. Yet, the commonly used successive grid downsampling…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Chen Ziwen , Kaushik Patnaik , Shuangfei Zhai , Alvin Wan , Zhile Ren , Alex Schwing , Alex Colburn , Li Fuxin

Lens flare removal is challenging due to the large spatial extent of flare artifacts and their entanglement with scene structures, while existing methods heavily rely on large-scale paired data. We propose a semi-supervised flare removal…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Xiyu Zhu , Wei Wang , Kui Jiang , Zhengguo Li

Restoring nighttime images affected by multiple adverse weather conditions is a practical yet under-explored research problem, as multiple weather conditions often coexist in the real world alongside various lighting effects at night. This…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Yuetong Liu , Yunqiu Xu , Yang Wei , Xiuli Bi , Bin Xiao

Inverse problems, which involve estimating parameters from incomplete or noisy observations, arise in various fields such as medical imaging, geophysics, and signal processing. These problems are often ill-posed, requiring regularization…

Image and Video Processing · Electrical Eng. & Systems 2026-03-03 Shadab Ahamed , Eldad Haber

Due to the over-fitting problem caused by imbalance samples, there is still room to improve the performance of data-driven automatic modulation classification (AMC) in noisy scenarios. By fully considering the signal characteristics, an AMC…

Signal Processing · Electrical Eng. & Systems 2022-03-08 Hao Shi , Qi Peng , Yiqi Zhuang

In recent years, single image dehazing deep models based on Atmospheric Scattering Model (ASM) have achieved remarkable results. But the dehazing outputs of those models suffer from color shift. Analyzing the ASM model shows that the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-22 Cong Wang , Yan Huang , Yuexian Zou , Yong Xu

In this paper, we propose an end to end solution for image matting i.e high-precision extraction of foreground objects from natural images. Image matting and background detection can be achieved easily through chroma keying in a studio…

Computer Vision and Pattern Recognition · Computer Science 2020-03-26 Rishab Sharma , Rahul Deora , Anirudha Vishvakarma

In frame-based vision, object detection faces substantial performance degradation under challenging conditions due to the limited sensing capability of conventional cameras. Event cameras output sparse and asynchronous events, providing a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Hu Cao , Zehua Zhang , Yan Xia , Xinyi Li , Jiahao Xia , Guang Chen , Alois Knoll

This paper considers image change detection with only a small number of samples, which is a significant problem in terms of a few annotations available. A major impediment of image change detection task is the lack of large annotated…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Ke Liu , Zhaoyi Song , Haoyue Bai

Image matting aims to obtain an alpha matte that separates foreground objects from the background accurately. Recently, trimap-free matting has been well studied because it requires only the original image without any extra input. Such…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Leo Shan Wenzhang Zhou Grace Zhao

Researchers have long tried to minimize training costs in deep learning while maintaining strong generalization across diverse datasets. Emerging research on dataset distillation aims to reduce training costs by creating a small synthetic…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Ahmad Sajedi , Samir Khaki , Ehsan Amjadian , Lucy Z. Liu , Yuri A. Lawryshyn , Konstantinos N. Plataniotis

High-resolution remote sensing imagery increasingly contains dense clusters of tiny objects, the detection of which is extremely challenging due to severe mutual occlusion and limited pixel footprints. Existing detection methods typically…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Zhicheng Zhao , Xuanang Fan , Lingma Sun , Chenglong Li , Jin Tang