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The acquisition of Magnetic Resonance Imaging (MRI) is inherently slow. Inspired by recent advances in deep learning, we propose a framework for reconstructing MR images from undersampled data using a deep cascade of convolutional neural…

计算机视觉与模式识别 · 计算机科学 2017-03-03 Jo Schlemper , Jose Caballero , Joseph V. Hajnal , Anthony Price , Daniel Rueckert

We propose a deep learning method for single image super-resolution (SR). Our method directly learns an end-to-end mapping between the low/high-resolution images. The mapping is represented as a deep convolutional neural network (CNN) that…

计算机视觉与模式识别 · 计算机科学 2015-08-03 Chao Dong , Chen Change Loy , Kaiming He , Xiaoou Tang

Riemannian meta-optimization provides a promising approach to solving non-linear constrained optimization problems, which trains neural networks as optimizers to perform optimization on Riemannian manifolds. However, existing Riemannian…

机器学习 · 计算机科学 2025-02-07 Peilin Yu , Yuwei Wu , Zhi Gao , Xiaomeng Fan , Yunde Jia

Despite the tremendous success in computer vision, deep convolutional networks suffer from serious computation costs and redundancies. Although previous works address this issue by enhancing diversities of filters, they have not considered…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Yang Hu , Guihua Wen , Mingnan Luo , Dan Dai , Wenming Cao , Zhiwen Yu , Wendy Hall

Global Covariance Pooling (GCP) has been demonstrated to improve the performance of Deep Neural Networks (DNNs) by exploiting second-order statistics of high-level representations. GCP typically performs classification of the covariance…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Ziheng Chen , Yue Song , Xiao-Jun Wu , Gaowen Liu , Nicu Sebe

There are limited studies on the semantic segmentation of high-resolution Polarimetric Synthetic Aperture Radar (PolSAR) images due to the scarcity of training data and the inference of speckle noises. The Gaofen contest has provided open…

计算机视觉与模式识别 · 计算机科学 2021-06-30 Lei Ding , Kai Zheng , Dong Lin , Yuxing Chen , Bing Liu , Jiansheng Li , Lorenzo Bruzzone

In this paper, we describe a novel deep convolutional neural network (CNN) that is deeper and wider than other existing deep networks for hyperspectral image classification. Unlike current state-of-the-art approaches in CNN-based…

计算机视觉与模式识别 · 计算机科学 2017-10-11 Hyungtae Lee , Heesung Kwon

Convolutional Neural Networks demonstrate high performance on ImageNet Large-Scale Visual Recognition Challenges contest. Nevertheless, the published results only show the overall performance for all image classes. There is no further…

计算机视觉与模式识别 · 计算机科学 2015-06-23 Mingming Wang

Deep learning-based methods have achieved prestigious performance for magnetic resonance imaging (MRI) reconstruction, enabling fast imaging for many clinical applications. Previous methods employ convolutional networks to learn the image…

图像与视频处理 · 电气工程与系统科学 2024-06-19 Yidong Zhao , Yi Zhang , Qian Tao

POLSAR image has an advantage over optical image because it can be acquired independently of cloud cover and solar illumination. PolSAR image classification is a hot and valuable topic for the interpretation of POLSAR image. In this paper,…

计算机视觉与模式识别 · 计算机科学 2019-06-19 Xu Liu , Licheng Jiao , Dan Zhang , Fang Liu

Despeckling is a crucial noise reduction task in improving the quality of synthetic aperture radar (SAR) images. Directly obtaining noise-free SAR images is a challenging task that has hindered the development of accurate despeckling…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Shunya Kato , Masaki Saito , Katsuhiko Ishiguro , Sol Cummings

In this paper, we develop a new classification method for manifold-valued data in the framework of probabilistic learning vector quantization. In many classification scenarios, the data can be naturally represented by symmetric positive…

机器学习 · 计算机科学 2021-02-02 Fengzhen Tang , Haifeng Feng , Peter Tino , Bailu Si , Daxiong Ji

Compressive sensing (CS) is widely used to reduce the acquisition time of magnetic resonance imaging (MRI). Although state-of-the-art deep learning based methods have been able to obtain fast, high-quality reconstruction of CS-MR images,…

图像与视频处理 · 电气工程与系统科学 2020-09-25 Bhavya Vasudeva , Puneesh Deora , Saumik Bhattacharya , Pyari Mohan Pradhan

Recent studies have shown that aggregating convolutional features of a pre-trained Convolutional Neural Network (CNN) can obtain impressive performance for a variety of visual tasks. The symmetric Positive Definite (SPD) matrix becomes a…

计算机视觉与模式识别 · 计算机科学 2017-11-21 Zhi Gao , Yuwei Wu , Xingyuan Bu , Yunde Jia

Deep learning has shown promising results in many machine learning applications. The hierarchical feature representation built by deep networks enable compact and precise encoding of the data. A kernel analysis of the trained deep networks…

机器学习 · 计算机科学 2017-03-22 Mandar Kulkarni , Shirish Karande

Images generated by high-resolution SAR have vast areas of application as they can work better in adverse light and weather conditions. One such area of application is in the military systems. This study is an attempt to explore the…

图像与视频处理 · 电气工程与系统科学 2023-03-29 Aakash Singh , Vivek Kumar Singh

Matrix completion models are among the most common formulations of recommender systems. Recent works have showed a boost of performance of these techniques when introducing the pairwise relationships between users/items in the form of…

机器学习 · 计算机科学 2017-04-25 Federico Monti , Michael M. Bronstein , Xavier Bresson

Latent variable models are powerful tools for learning low-dimensional manifolds from high-dimensional data. However, when dealing with constrained data such as unit-norm vectors or symmetric positive-definite matrices, existing approaches…

机器学习 · 计算机科学 2025-03-10 Leonel Rozo , Miguel González-Duque , Noémie Jaquier , Søren Hauberg

Convolutional Neural Networks has been implemented in many complex machine learning takes such as image classification, object identification, autonomous vehicle and robotic vision tasks. However, ConvNet architecture efficiency and…

计算机视觉与模式识别 · 计算机科学 2018-01-08 Pushparaja Murugan

Segmentation has been a major task in neuroimaging. A large number of automated methods have been developed for segmenting healthy and diseased brain tissues. In recent years, deep learning techniques have attracted a lot of attention as a…

图像与视频处理 · 电气工程与系统科学 2019-07-05 Jimit Doshi , Guray Erus , Mohamad Habes , Christos Davatzikos