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The extensive use of medical CT has raised a public concern over the radiation dose to the patient. Reducing the radiation dose leads to increased CT image noise and artifacts, which can adversely affect not only the radiologists judgement…

Image and Video Processing · Electrical Eng. & Systems 2021-07-13 Jiajin Zhang , Hanqing Chao , Xuanang Xu , Chuang Niu , Ge Wang , Pingkun Yan

Convolutional neural networks (CNNs) have been successfully applied to the single target tracking task in recent years. Generally, training a deep CNN model requires numerous labeled training samples, and the number and quality of these…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Di Yuan , Xiaojun Chang , Yi Yang , Qiao Liu , Dehua Wang , Zhenyu He

Low-dose computed tomography (LDCT) is critical for minimizing radiation exposure, but it often leads to increased noise and reduced image quality. Traditional denoising methods, such as iterative optimization or supervised learning, often…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Debopom Sutradhar , Ripon Kumar Debnath , Mohaimenul Azam Khan Raiaan , Yan Zhang , Reem E. Mohamed , Sami Azam

Recent studies on learning-based image denoising have achieved promising performance on various noise reduction tasks. Most of these deep denoisers are trained either under the supervision of clean references, or unsupervised on synthetic…

Image and Video Processing · Electrical Eng. & Systems 2021-03-30 Rui Zhao , Daniel P. K. Lun , Kin-Man Lam

Deep neural networks used for reconstructing sparse-view CT data are typically trained by minimizing a pixel-wise mean-squared error or similar loss function over a set of training images. However, networks trained with such pixel-wise…

Medical Physics · Physics 2024-02-16 Megan Lantz , Emil Y. Sidky , Ingrid S. Reiser , Xiaochuan Pan , Gregory Ongie

Optical Coherence Tomography (OCT) is pervasive in both the research and clinical practice of Ophthalmology. However, OCT images are strongly corrupted by noise, limiting their interpretation. Current OCT denoisers leverage assumptions on…

Image and Video Processing · Electrical Eng. & Systems 2020-08-19 Guillaume Gisbert , Neel Dey , Hiroshi Ishikawa , Joel Schuman , James Fishbaugh , Guido Gerig

The explosive rise of the use of Computer tomography (CT) imaging in medical practice has heightened public concern over the patient's associated radiation dose. However, reducing the radiation dose leads to increased noise and artifacts,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Sutanu Bera , Prabir Kumar Biswas

Recently, deep learning(DL) methods have been proposed for the low-dose computed tomography(LdCT) enhancement, and obtain good trade-off between computational efficiency and image quality. Most of them need large number of pre-collected…

Computer Vision and Pattern Recognition · Computer Science 2018-08-09 Mingrui Geng , Yun Deng , Qian Zhao , Qi Xie , Dong Zeng , Dong Zeng , Wangmeng Zuo , Deyu Meng

Semantic labeling (or pixel-level land-cover classification) in ultra-high resolution imagery (< 10cm) requires statistical models able to learn high level concepts from spatial data, with large appearance variations. Convolutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2017-03-08 Michele Volpi , Devis Tuia

While deep learning (DL) architectures like convolutional neural networks (CNNs) have enabled effective solutions in image denoising, in general their implementations overly rely on training data, lack interpretability, and require tuning…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Huy Vu , Gene Cheung , Yonina C. Eldar

The technological advance of High Numerical Aperture Extreme Ultraviolet Lithography (High NA EUVL) has opened the gates to extensive researches on thinner photoresists (below 30nm), necessary for the industrial implementation of High NA…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Sara Sacchi , Bappaditya Dey , Iacopo Mochi , Sandip Halder , Philippe Leray

Lesion segmentation on nasal endoscopic images is challenging due to its complex lesion features. Fully-supervised deep learning methods achieve promising performance with pixel-level annotations but impose a significant annotation burden…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Pengyu Jie , Wanquan Liu , Chenqiang Gao , Yihui Wen , Rui He , Weiping Wen , Pengcheng Li , Jintao Zhang , Deyu Meng

Disparity estimation is a difficult problem in stereo vision because the correspondence technique fails in images with textureless and repetitive regions. Recent body of work using deep convolutional neural networks (CNN) overcomes this…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Rowel Atienza

Among applications of deep learning (DL) involving low cost sensors, remote image classification involves a physical channel that separates edge sensors and cloud classifiers. Traditional DL models must be divided between an encoder for the…

Image and Video Processing · Electrical Eng. & Systems 2023-10-31 Siyu Qi , Achintha Wijesinghe , Lahiru D. Chamain , Zhi Ding

In machine learning approach to image denoising a network is trained to recover a clean image from a noisy one. In this paper a novel structure is proposed based on training multiple specialized networks as opposed to existing structures…

Image and Video Processing · Electrical Eng. & Systems 2020-12-01 Seyed Mohsen Hosseini

We investigate the task of learning blind image denoising networks from an unpaired set of clean and noisy images. Such problem setting generally is practical and valuable considering that it is feasible to collect unpaired noisy and clean…

Image and Video Processing · Electrical Eng. & Systems 2020-09-01 Xiaohe Wu , Ming Liu , Yue Cao , Dongwei Ren , Wangmeng Zuo

Compressed sensing (CS) is a signal processing framework for efficiently reconstructing a signal from a small number of measurements, obtained by linear projections of the signal. Block-based CS is a lightweight CS approach that is mostly…

Computer Vision and Pattern Recognition · Computer Science 2016-06-07 Amir Adler , David Boublil , Michael Elad , Michael Zibulevsky

Real-world environment-derived point clouds invariably exhibit noise across varying modalities and intensities. Hence, point cloud denoising (PCD) is essential as a preprocessing step to improve downstream task performance. Deep learning…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Chengwei Zhang , Xueyi Zhang , Mingrui Lao , Tao Jiang , Xinhao Xu , Wenjie Li , Fubo Zhang , Longyong Chen

Recently, denoising methods based on supervised learning have exhibited promising performance. However, their reliance on external datasets containing noisy-clean image pairs restricts their applicability. To address this limitation,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Jaekyun Ko , Sanghwan Lee

In this paper we propose a new approach for learning local descriptors for matching image patches. It has recently been demonstrated that descriptors based on convolutional neural networks (CNN) can significantly improve the matching…

Computer Vision and Pattern Recognition · Computer Science 2016-01-20 Vassileios Balntas , Edward Johns , Lilian Tang , Krystian Mikolajczyk
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