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Compressed sensing (CS) provides an elegant framework for recovering sparse signals from compressed measurements. For example, CS can exploit the structure of natural images and recover an image from only a few random measurements. CS is…

机器学习 · 计算机科学 2019-05-21 Yan Wu , Mihaela Rosca , Timothy Lillicrap

Guided depth super-resolution (GDSR) is an essential topic in multi-modal image processing, which reconstructs high-resolution (HR) depth maps from low-resolution ones collected with suboptimal conditions with the help of HR RGB images of…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Zixiang Zhao , Jiangshe Zhang , Shuang Xu , Zudi Lin , Hanspeter Pfister

Clustering high-dimensional spatiotemporal data using an unsupervised approach is a challenging problem for many data-driven applications. Existing state-of-the-art methods for unsupervised clustering use different similarity and distance…

机器学习 · 计算机科学 2023-09-15 Omar Faruque , Francis Ndikum Nji , Mostafa Cham , Rohan Mandar Salvi , Xue Zheng , Jianwu Wang

Channel estimation is of great importance in realizing practical intelligent reflecting surface-assisted multi-user communication (IRS-MC) systems. However, different from traditional communication systems, an IRS-MC system generally…

信号处理 · 电气工程与系统科学 2020-12-02 Chang Liu , Xuemeng Liu , Derrick Wing Kwan Ng , Jinhong Yuan

Magnetic Resonance Imaging (MRI) is a powerful, non-invasive diagnostic tool; however, its clinical applicability is constrained by prolonged acquisition times. Whilst present deep learning-based approaches have demonstrated potential in…

图像与视频处理 · 电气工程与系统科学 2024-09-24 Anurag Malyala , Zhenlin Zhang , Chengyan Wang , Chen Qin

Non-invasive detection of cardiovascular disorders from radiology scans requires quantitative image analysis of the heart and its substructures. There are well-established measurements that radiologists use for diseases assessment such as…

机器学习 · 统计学 2017-08-04 Aliasghar Mortazi , Jeremy Burt , Ulas Bagci

The compressed sensing (CS) has been successfully applied to image compression in the past few years as most image signals are sparse in a certain domain. Several CS reconstruction models have been proposed and obtained superior…

计算机视觉与模式识别 · 计算机科学 2018-04-16 Wenxue Cui , Heyao Xu , Xinwei Gao , Shengping Zhang , Feng Jiang , Debin Zhao

In this paper, we develop a 2D and 3D segmentation pipelines for fully automated cardiac MR image segmentation using Deep Convolutional Neural Networks (CNN). Our models are trained end-to-end from scratch using the ACD Challenge 2017…

计算机视觉与模式识别 · 计算机科学 2017-08-01 Jay Patravali , Shubham Jain , Sasank Chilamkurthy

Despite recent progress, computational visual aesthetic is still challenging. Image cropping, which refers to the removal of unwanted scene areas, is an important step to improve the aesthetic quality of an image. However, it is challenging…

计算机视觉与模式识别 · 计算机科学 2018-01-16 Guanjun Guo , Hanzi Wang , Chunhua Shen , Yan Yan , Hong-Yuan Mark Liao

Deep Neural Networks (DNNs) have aroused great attention in Compressed Sensing (CS) restoration. However, the working mechanism of DNNs is not explainable, thereby it is unclear that how to design an optimal DNNs for CS restoration. In this…

信号处理 · 电气工程与系统科学 2019-02-26 Xinjie Lan , Xin Guo , Kenneth E. Barner

In recent years, much research has been conducted on image super-resolution (SR). To the best of our knowledge, however, few SR methods were concerned with compressed images. The SR of compressed images is a challenging task due to the…

计算机视觉与模式识别 · 计算机科学 2017-09-20 Honggang Chen , Xiaohai He , Chao Ren , Linbo Qing , Qizhi Teng

Single image super-resolution is an effective way to enhance the spatial resolution of remote sensing image, which is crucial for many applications such as target detection and image classification. However, existing methods based on the…

图像与视频处理 · 电气工程与系统科学 2020-11-22 Wenjia Xu , Guangluan Xu , Yang Wang , Xian Sun , Daoyu Lin , Yirong Wu

This work introduces a novel application for predicting the macroscopic intrinsic permeability tensor in deformable porous media, using a limited set of micro-CT images of real microgeometries. The primary goal is to develop an efficient,…

流体动力学 · 物理学 2025-01-14 Yousef Heider , Fadi Aldakheel , Wolfgang Ehlers

Cardiovascular magnetic resonance (CMR) imaging has become a modality with superior power for the diagnosis and prognosis of cardiovascular diseases. One of the essential basic quality controls of CMR images is to investigate the complete…

图像与视频处理 · 电气工程与系统科学 2024-10-29 Shahabedin Nabavi , Mohammad Hashemi , Mohsen Ebrahimi Moghaddam , Ahmad Ali Abin , Alejandro F. Frangi

Convolutional neural networks (CNN) have demonstrated outstanding Compressed Sensing (CS) performance compared to traditional, hand-crafted methods. However, they are broadly limited in terms of generalisability, inductive bias and…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Marlon Bran Lorenzana , Craig Engstrom , Shekhar S. Chandra

While enabling accelerated acquisition and improved reconstruction accuracy, current deep MRI reconstruction networks are typically supervised, require fully sampled data, and are limited to Cartesian sampling patterns. These factors limit…

图像与视频处理 · 电气工程与系统科学 2023-02-21 Bo Zhou , Jo Schlemper , Neel Dey , Seyed Sadegh Mohseni Salehi , Kevin Sheth , Chi Liu , James S. Duncan , Michal Sofka

We propose an accurate and lightweight convolutional neural network for stereo estimation with depth completion. We name this method fully-convolutional deformable similarity network with depth completion (FCDSN-DC). This method extends…

计算机视觉与模式识别 · 计算机科学 2022-09-15 Dominik Hirner , Friedrich Fraundorfer

A joint image reconstruction and segmentation approach based on disentangled representation learning was trained to enable cardiac cine MR imaging in real-time and under free-breathing. An exploratory feasibility study tested the proposed…

Diffuse correlation spectroscopy (DCS) is an emerging noninvasive technique that measures the tissue blood flow, by using near-infrared coherent point-source illumination to detect spectral changes. While machine learning has demonstrated…

机器学习 · 计算机科学 2024-02-02 Xi Chen , Xingda Li

Snapshot compressive imaging (SCI) aims to record three-dimensional signals via a two-dimensional camera. For the sake of building a fast and accurate SCI recovery algorithm, we incorporate the interpretability of model-based methods and…

图像与视频处理 · 电气工程与系统科学 2021-09-15 Zhuoyuan Wu , Jian Zhang , Chong Mou
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