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Fluoroscopy is critical for real-time X-ray visualization in medical imaging. However, low-dose images are compromised by noise, potentially affecting diagnostic accuracy. Noise reduction is crucial for maintaining image quality, especially…

Image and Video Processing · Electrical Eng. & Systems 2024-11-05 Sun-Young Jeon , Sen Wang , Adam S. Wang , Garry E. Gold , Jang-Hwan Choi

Relying on large-scale training data with pixel-level labels, previous edge detection methods have achieved high performance. However, it is hard to manually label edges accurately, especially for large datasets, and thus the datasets…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Wenjie Xuan , Shanshan Zhao , Yu Yao , Juhua Liu , Tongliang Liu , Yixin Chen , Bo Du , Dacheng Tao

The bilateral filter is known to be quite effective in denoising images corrupted with small dosages of additive Gaussian noise. The denoising performance of the filter, however, is known to degrade quickly with the increase in noise level.…

Computer Vision and Pattern Recognition · Computer Science 2015-05-26 Kunal N. Chaudhury , Kollipara Rithwik

Image denoising is a fundamental challenge in computer vision, with applications in photography and medical imaging. While deep learning-based methods have shown remarkable success, their reliance on specific noise distributions limits…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Dongjin Kim , Jaekyun Ko , Muhammad Kashif Ali , Tae Hyun Kim

Image denoising algorithms are evaluated using images corrupted by artificial noise, which may lead to incorrect conclusions about their performances on real noise. In this paper we introduce a dataset of color images corrupted by natural…

Computer Vision and Pattern Recognition · Computer Science 2018-02-06 Josue Anaya , Adrian Barbu

In low-visibility marine environments characterized by turbidity and darkness, acoustic cameras serve as visual sensors capable of generating high-resolution 2D sonar images. However, acoustic camera images are interfered with by complex…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Xiaoteng Zhou , Katsunori Mizuno , Yilong Zhang

During the image acquisition process, noise is usually added to the data mainly due to physical limitations of the acquisition sensor, and also regarding imprecisions during the data transmission and manipulation. In that sense, the…

Machine Learning · Computer Science 2021-01-20 Rafael G. Pires , Daniel F. S. Santos , Marcos C. S. Santana , Claudio F. G. Santos , Joao P. Papa

The key challenge of image manipulation detection is how to learn generalizable features that are sensitive to manipulations in novel data, whilst specific to prevent false alarms on authentic images. Current research emphasizes the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Xinru Chen , Chengbo Dong , Jiaqi Ji , Juan Cao , Xirong Li

Image compression and denoising represent fundamental challenges in image processing with many real-world applications. To address practical demands, current solutions can be categorized into two main strategies: 1) sequential method; and…

Image and Video Processing · Electrical Eng. & Systems 2024-03-27 Shilv Cai , Xiaoguo Liang , Shuning Cao , Luxin Yan , Sheng Zhong , Liqun Chen , Xu Zou

Noise is an important factor that degrades the quality of medical images. Impulse noise is a common noise, which is caused by malfunctioning of sensor elements or errors in the transmission of images. In medical images due to presence of…

Computer Vision and Pattern Recognition · Computer Science 2017-10-13 Zohreh HosseinKhani , Mohsen Hajabdollahi , Nader Karimi , Reza Soroushmehr , Shahram Shirani , Kayvan Najarian , Shadrokh Samavi

Recent deep learning-based image denoising methods have shown impressive performance; however, many lack the flexibility to adjust the denoising strength based on the noise levels, camera settings, and user preferences. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Youngjin Oh , Junhyeong Kwon , Keuntek Lee , Nam Ik Cho

We develop a new edge detection algorithm that tackles two important issues in this long-standing vision problem: (1) holistic image training and prediction; and (2) multi-scale and multi-level feature learning. Our proposed method,…

Computer Vision and Pattern Recognition · Computer Science 2015-10-06 Saining Xie , Zhuowen Tu

Astronomical images are essential for exploring and understanding the universe. Optical telescopes capable of deep observations, such as the Hubble Space Telescope, are heavily oversubscribed in the Astronomical Community. Images also often…

Instrumentation and Methods for Astrophysics · Physics 2020-11-25 Antonia Vojtekova , Maggie Lieu , Ivan Valtchanov , Bruno Altieri , Lyndsay Old , Qifeng Chen , Filip Hroch

Typical Magnetic Resonance Imaging (MRI) scan may take 20 to 60 minutes. Reducing MRI scan time is beneficial for both patient experience and cost considerations. Accelerated MRI scan may be achieved by acquiring less amount of k-space data…

Image and Video Processing · Electrical Eng. & Systems 2020-01-15 Pak Lun Kevin Ding , Zhiqiang Li , Yuxiang Zhou , Baoxin Li

Intrinsic image decomposition is the process of recovering the image formation components (reflectance and shading) from an image. Previous methods employ either explicit priors to constrain the problem or implicit constraints as formulated…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Partha Das , Sezer Karaoglu , Theo Gevers

AI-enhanced approaches are becoming common in astronomical data analysis, including in the galaxy morphological classification. In this study we develop an approach that enhances galaxy classification by incorporating an image denoising…

Instrumentation and Methods for Astrophysics · Physics 2025-06-25 Sergey Mirzoyan

Deep learning techniques have successfully been employed in numerous computer vision tasks including image segmentation. The techniques have also been applied to medical image segmentation, one of the most critical tasks in computer-aided…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Titinunt Kitrungrotsakul , Iwamoto Yutaro , Lanfen Lin , Ruofeng Tong , Jingsong Li , Yen-Wei Chen

Data denoising is a persistent challenge across scientific and engineering domains. Real-world data is frequently corrupted by complex, non-linear noise, rendering traditional rule-based denoising methods inadequate. To overcome these…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Chang Nie , Tianchen Deng , Zhe Liu , Hesheng Wang

Image denoising is a fundamental task in low-level computer vision. While recent deep learning-based image denoising methods have achieved impressive performance, they are black-box models and the underlying denoising principle remains…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Jingwei Niu , Jun Cheng , Shan Tan

Unlike ordinary computer vision tasks that focus more on the semantic content of images, the image manipulation detection task pays more attention to the subtle information of image manipulation. In this paper, the noise image extracted by…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Zhongyuan Zhang , Yi Qian , Yanxiang Zhao , Lin Zhu , Jinjin Wang