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Image super-resolution (SR) is one of the vital image processing methods that improve the resolution of an image in the field of computer vision. In the last two decades, significant progress has been made in the field of super-resolution,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Syed Muhammad Arsalan Bashir , Yi Wang , Mahrukh Khan , Yilong Niu

In this work we propose a technique to remove sparse impulse noise from hyperspectral images. Our algorithm accounts for the spatial redundancy and spectral correlation of such images. The proposed method is based on the recently introduced…

Image and Video Processing · Electrical Eng. & Systems 2019-12-16 Angshul Majumdar , Naushad Ansari , Hemant Aggarwal , Pravesh Biyani

The emerging technology of snapshot compressive imaging (SCI) enables capturing high dimensional (HD) data in an efficient way. It is generally implemented by two components: an optical encoder that compresses HD signals into a 2D…

Image and Video Processing · Electrical Eng. & Systems 2022-02-03 Jiamian Wang , Yulun Zhang , Xin Yuan , Yun Fu , Zhiqiang Tao

Recently, compressed sensing (CS) computed tomography (CT) using sparse projection views has been extensively investigated to reduce the potential risk of radiation to patient. However, due to the insufficient number of projection views, an…

Computer Vision and Pattern Recognition · Computer Science 2016-11-28 Yo Seob Han , Jaejun Yoo , Jong Chul Ye

Deep Convolution Neural Networks (CNN) have achieved significant performance on single image super-resolution (SR) recently. However, existing CNN-based methods use artificially synthetic low-resolution (LR) and high-resolution (HR) image…

Computer Vision and Pattern Recognition · Computer Science 2018-12-14 Tianyu Zhao , Wenqi Ren , Changqing Zhang , Dongwei Ren , Qinghua Hu

In the last few years, with the rapid development of deep learning technologies, supervised methods based on convolutional neural networks have greatly enhanced the performance of medical image denoising. However, these methods require…

Image and Video Processing · Electrical Eng. & Systems 2025-03-10 Langrui Zhou , Ziteng Zhou , Xinyu Huang , Huiru Wang , Xiangyu Zhang , Guang Li

Many microscopy applications are limited by the total amount of usable light and are consequently challenged by the resulting levels of noise in the acquired images. This problem is often addressed via (supervised) deep learning based…

Image and Video Processing · Electrical Eng. & Systems 2020-08-20 Anna S. Goncharova , Alf Honigmann , Florian Jug , Alexander Krull

Subsea images measured by the side scan sonars (SSSs) are necessary visual data in the process of deep-sea exploration by using the autonomous underwater vehicles (AUVs). They could vividly reflect the topography of the seabed, but usually…

Image and Video Processing · Electrical Eng. & Systems 2021-08-30 Xiaoteng Zhou , Changli Yu , Xin Yuan , Citong Luo

Photon counting spectral CT (PCCT) can produce reconstructed attenuation maps in different energy channels, reflecting energy properties of the scanned object. Due to the limited photon numbers and the non-ideal detector response of each…

Image and Video Processing · Electrical Eng. & Systems 2022-01-27 Chaoyang Zhang , Shaojie Chang , Ti Bai , Xi Chen

Deep learning (DL) has led to significant improvements in medical image synthesis, enabling advanced image-to-image translation to generate synthetic images. However, DL methods face challenges such as domain shift and high demands for…

Image and Video Processing · Electrical Eng. & Systems 2024-02-20 Savannah P. Hays , Lianrui Zuo , Yihao Liu , Anqi Feng , Jiachen Zhuo , Jerry L. Prince , Aaron Carass

Recovering a high-quality image from noisy indirect measurements is an important problem with many applications. For such inverse problems, supervised deep convolutional neural network (CNN)-based denoising methods have shown strong…

Image and Video Processing · Electrical Eng. & Systems 2020-09-16 Allard A. Hendriksen , Daniel M. Pelt , K. Joost Batenburg

Spatial resolution is a critical imaging parameter in magnetic resonance imaging (MRI). Acquiring high resolution MRI data usually takes long scanning time and would subject to motion artifacts due to hardware, physical, and physiological…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Zhao Xiaole , Huali Zhang , Hangfei Liu , Yun Qin , Tao Zhang , Xueming Zou

The lack of large-scale noisy-clean image pairs restricts supervised denoising methods' deployment in actual applications. While existing unsupervised methods are able to learn image denoising without ground-truth clean images, they either…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Yi Zhang , Dasong Li , Ka Lung Law , Xiaogang Wang , Hongwei Qin , Hongsheng Li

Deep learning-based dMRI super-resolution methods can effectively enhance image resolution by leveraging the learning capabilities of neural networks on large datasets. However, these methods tend to learn a fixed scale mapping between…

Image and Video Processing · Electrical Eng. & Systems 2024-08-15 Ruoyou Wu , Jian Cheng , Cheng Li , Juan Zou , Jing Yang , Wenxin Fan , Yong Liang , Shanshan Wang

Many successful methods developed for medical image analysis that are based on machine learning use supervised learning approaches, which often require large datasets annotated by experts to achieve high accuracy. However, medical data…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Banafshe Felfeliyan , Abhilash Hareendranathan , Gregor Kuntze , David Cornell , Nils D. Forkert , Jacob L. Jaremko , Janet L. Ronsky

Deep learning methods have been successfully used in various computer vision tasks. Inspired by that success, deep learning has been explored in magnetic resonance imaging (MRI) reconstruction. In particular, integrating deep learning and…

Image and Video Processing · Electrical Eng. & Systems 2023-10-06 Peizhou Huang , Chaoyi Zhang , Xiaoliang Zhang , Xiaojuan Li , Liang Dong , Leslie Ying

Compressive sensing is a method to recover the original image from undersampled measurements. In order to overcome the ill-posedness of this inverse problem, image priors are used such as sparsity in the wavelet domain, minimum…

Computer Vision and Pattern Recognition · Computer Science 2018-12-20 Magauiya Zhussip , Shakarim Soltanayev , Se Young Chun

The application of compressed sensing (CS)-enabled data reconstruction for accelerating magnetic resonance imaging (MRI) remains a challenging problem. This is due to the fact that the information lost in k-space from the acceleration mask…

Image and Video Processing · Electrical Eng. & Systems 2023-06-22 Guoyao Shen , Boran Hao , Mengyu Li , Chad W. Farris , Ioannis Ch. Paschalidis , Stephan W. Anderson , Xin Zhang

Supervised training of deep neural networks on pairs of clean image and noisy measurement achieves state-of-the-art performance for many image reconstruction tasks, but such training pairs are difficult to collect. Self-supervised methods…

Image and Video Processing · Electrical Eng. & Systems 2023-10-30 Tobit Klug , Dogukan Atik , Reinhard Heckel

Traditional model-based image reconstruction (MBIR) methods combine forward and noise models with simple object priors. Recent application of deep learning methods for image reconstruction provides a successful data-driven approach to…

Image and Video Processing · Electrical Eng. & Systems 2023-11-22 Ling Chen , Zhishen Huang , Yong Long , Saiprasad Ravishankar