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Automated cardiac interpretation in resource-constrained settings (RCS) is often hindered by poor-quality echocardiographic imaging, limiting the effectiveness of downstream diagnostic models. While super-resolution (SR) techniques have…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Krishan Agyakari Raja Babu , Om Prabhu , Annu , Mohanasankar Sivaprakasam

Reference-based Super-Resolution (Ref-SR) has recently emerged as a promising paradigm to enhance a low-resolution (LR) input image or video by introducing an additional high-resolution (HR) reference image. Existing Ref-SR methods mostly…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Yuming Jiang , Kelvin C. K. Chan , Xintao Wang , Chen Change Loy , Ziwei Liu

In 2D multi-slice magnetic resonance (MR) acquisition, the through-plane signals are typically of lower resolution than the in-plane signals. While contemporary super-resolution (SR) methods aim to recover the underlying high-resolution…

Image and Video Processing · Electrical Eng. & Systems 2022-09-07 Samuel W. Remedios , Shuo Han , Yuan Xue , Aaron Carass , Trac D. Tran , Dzung L. Pham , Jerry L. Prince

The inability to acquire clean high-resolution (HR) electron microscopy (EM) images over a large brain tissue volume hampers many neuroscience studies. To address this challenge, we propose a deep-learning-based image super-resolution (SR)…

Computer Vision and Pattern Recognition · Computer Science 2024-01-29 Mohammad Khateri , Morteza Ghahremani , Alejandra Sierra , Jussi Tohka

Convolutional neural network (CNN) depth is of crucial importance for image super-resolution (SR). However, we observe that deeper networks for image SR are more difficult to train. The low-resolution inputs and features contain abundant…

Computer Vision and Pattern Recognition · Computer Science 2018-07-16 Yulun Zhang , Kunpeng Li , Kai Li , Lichen Wang , Bineng Zhong , Yun Fu

The recent advances in deep learning indicate significant progress in the field of single image super-resolution. With the advent of these techniques, high-resolution image with high peak signal to noise ratio (PSNR) and excellent…

Image and Video Processing · Electrical Eng. & Systems 2020-04-09 Meenu Ajith , Aswathy Rajendra Kurup , Manel Martínez-Ramón

Recently, Convolutional Neural Networks (CNNs) have shown promising performance in super-resolution (SR). However, these methods operate primarily on Low Resolution (LR) inputs for memory efficiency but this limits, as we demonstrate, their…

Computer Vision and Pattern Recognition · Computer Science 2019-05-17 Muneeb Aadil , Rafia Rahim , Sibt ul Hussain

We propose a new approach for the image super-resolution (SR) task that progressively restores a high-resolution (HR) image from an input low-resolution (LR) image on the basis of a neural ordinary differential equation. In particular, we…

Image and Video Processing · Electrical Eng. & Systems 2022-01-25 Seobin Park , Tae Hyun Kim

This paper explores the problem of hyperspectral image (HSI) super-resolution that merges a low resolution HSI (LR-HSI) and a high resolution multispectral image (HR-MSI). The cross-modality distribution of the spatial and spectral…

Image and Video Processing · Electrical Eng. & Systems 2021-02-03 Zhiyu Zhu , Junhui Hou , Jie Chen , Huanqiang Zeng , Jiantao Zhou

Limited by imaging systems, the reconstruction of Magnetic Resonance Imaging (MRI) images from partial measurement is essential to medical imaging research. Benefiting from the diverse and complementary information of multi-contrast MR…

Image and Video Processing · Electrical Eng. & Systems 2023-07-11 Jiamiao Zhang , Yichen Chi , Jun Lyu , Wenming Yang , Yapeng Tian

Latest least squares regression (LSR) methods mainly try to learn slack regression targets to replace strict zero-one labels. However, the difference of intra-class targets can also be highlighted when enlarging the distance between…

Computer Vision and Pattern Recognition · Computer Science 2019-10-09 Zhe Chen , Xiao-Jun Wu , Josef Kittler

Deep learning techniques have been successfully applied in many areas of computer vision, including low-level image restoration problems. For image super-resolution, several models based on deep neural networks have been recently proposed…

Computer Vision and Pattern Recognition · Computer Science 2015-10-16 Zhaowen Wang , Ding Liu , Jianchao Yang , Wei Han , Thomas Huang

This work studies Hyperspectral image (HSI) super-resolution (SR). HSI SR is characterized by high-dimensional data and a limited amount of training examples. This exacerbates the undesirable behaviors of neural networks such as…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Ke Li , Dengxin Dai , Ender Konukoglu , Luc Van Gool

Magnetic resonance image (MRI) in high spatial resolution provides detailed anatomical information and is often necessary for accurate quantitative analysis. However, high spatial resolution typically comes at the expense of longer scan…

Computer Vision and Pattern Recognition · Computer Science 2018-05-30 Yuhua Chen , Yibin Xie , Zhengwei Zhou , Feng Shi , Anthony G. Christodoulou , Debiao Li

Deep convolutional neural networks (CNNs) with strong expressive ability have achieved impressive performances on single image super-resolution (SISR). However, their excessive amounts of convolutions and parameters usually consume high…

Image and Video Processing · Electrical Eng. & Systems 2020-07-22 Chunwei Tian , Ruibin Zhuge , Zhihao Wu , Yong Xu , Wangmeng Zuo , Chen Chen , Chia-Wen Lin

Recently, most of state-of-the-art single image super-resolution (SISR) methods have attained impressive performance by using deep convolutional neural networks (DCNNs). The existing SR methods have limited performance due to a fixed…

Image and Video Processing · Electrical Eng. & Systems 2021-07-08 Rao Muhammad Umer , Asad Munir , Christian Micheloni

Single image super-resolution (SISR) deals with a fundamental problem of upsampling a low-resolution (LR) image to its high-resolution (HR) version. Last few years have witnessed impressive progress propelled by deep learning methods.…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Wenbo Li , Kun Zhou , Lu Qi , Nianjuan Jiang , Jiangbo Lu , Jiaya Jia

High resolution magnetic resonance (MR) images are desired for accurate diagnostics. In practice, image resolution is restricted by factors like hardware, cost and processing constraints. Recently, deep learning methods have been shown to…

Machine Learning · Computer Science 2018-09-11 Venkateswararao Cherukuri , Tiantong Guo , Steven J. Schiff , Vishal Monga

Super-resolution (SR) has achieved great success due to the development of deep convolutional neural networks (CNNs). However, as the depth and width of the networks increase, CNN-based SR methods have been faced with the challenge of…

Image and Video Processing · Electrical Eng. & Systems 2020-11-10 Parichehr Behjati , Pau Rodriguez , Armin Mehri , Isabelle Hupont , Jordi Gonzalez , Carles Fernandez Tena

Deep convolutional networks have attracted great attention in image restoration and enhancement. Generally, restoration quality has been improved by building more and more convolutional block. However, these methods mostly learn a specific…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Yukai Shi , Jinghui Qin