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There is much recent interest in techniques to accelerate the data acquisition process in MRI by acquiring limited measurements. Often sophisticated reconstruction algorithms are deployed to maintain high image quality in such settings. In…

图像与视频处理 · 电气工程与系统科学 2022-05-20 Zhishen Huang , Saiprasad Ravishankar

Compressive sensing (CS) has proved effective for tomographic reconstruction from sparsely collected data or under-sampled measurements, which are practically important for few-view CT, tomosynthesis, interior tomography, and so on. To…

医学物理 · 物理学 2018-02-13 Hu Chen , Yi Zhang , Yunjin Chen , Junfeng Zhang , Weihua Zhang , Huaiqiaing Sun , Yang Lv , Peixi Liao , Jiliu Zhou , Ge Wang

Compression is a standard procedure for making convolutional neural networks (CNNs) adhere to some specific computing resource constraints. However, searching for a compressed architecture typically involves a series of time-consuming…

图像与视频处理 · 电气工程与系统科学 2021-07-08 Suraj Mishra , Danny Z. Chen , X. Sharon Hu

Hyperspectral image (HSI) classification faces critical challenges, including high spectral dimensionality, complex spectral-spatial correlations, and limited training samples with severe class imbalance. While CNNs excel at local feature…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Asmit Bandyopadhyay , Anindita Das Bhattacharjee , Rakesh Das

The use of deep unfolding networks in compressive sensing (CS) has seen wide success as they provide both simplicity and interpretability. However, since most deep unfolding networks are iterative, this incurs significant redundancies in…

计算机视觉与模式识别 · 计算机科学 2023-05-10 Rawwad Alhejaili , Motaz Alfarraj , Hamzah Luqman , Ali Al-Shaikhi

No-Reference Image Quality Assessment (NR-IQA) aims at estimating image quality in accordance with subjective human perception. However, most methods focus on exploring increasingly complex networks to improve the final…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Ronghua Liao , Chen Hui , Lang Yuan , Haiqi Zhu , Feng Jiang

Hyperspectral image classification (HIC) is an active research topic in remote sensing. Hyperspectral images typically generate large data cubes posing big challenges in data acquisition, storage, transmission and processing. To overcome…

图像与视频处理 · 电气工程与系统科学 2021-10-13 Hao Zhang , Xu Ma , Xianhong Zhao , Gonzalo R. Arce

Robust compressive sensing(CS) reconstruction has become an attractive research topic in recent years. Robust CS aims to reconstruct the sparse signals under non-Gaussian(i.e. heavy tailed) noises where traditional CS reconstruction…

信息论 · 计算机科学 2017-06-13 Yicong He , Fei Wang , Shiyuan Wang , Jiuwen Cao , Badong Chen

Compressive sensing magnetic resonance imaging (CS-MRI) accelerates the acquisition of MR images by breaking the Nyquist sampling limit. In this work, a novel generative adversarial network (GAN) based framework for CS-MRI reconstruction is…

图像与视频处理 · 电气工程与系统科学 2020-04-28 Puneesh Deora , Bhavya Vasudeva , Saumik Bhattacharya , Pyari Mohan Pradhan

We propose a novel Convolutional Neural Network (CNN) compression algorithm based on coreset representations of filters. We exploit the redundancies extant in the space of CNN weights and neuronal activations (across samples) in order to…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Abhimanyu Dubey , Moitreya Chatterjee , Narendra Ahuja

In this paper, data-aided sensing as a cross-layer approach in Internet-of-Things (IoT) applications is studied, where multiple IoT nodes collect measurements and transmit them to an Access Point (AP). It is assumed that measurements have a…

信息论 · 计算机科学 2019-04-30 Jinho Choi

Existing leading methods for spectral reconstruction (SR) focus on designing deeper or wider convolutional neural networks (CNNs) to learn the end-to-end mapping from the RGB image to its hyperspectral image (HSI). These CNN-based methods…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Yuanhao Cai , Jing Lin , Zudi Lin , Haoqian Wang , Yulun Zhang , Hanspeter Pfister , Radu Timofte , Luc Van Gool

A novel compressive-sensing based signal multiplexing scheme is proposed in this paper to further improve the multiplexing gain for multiple input multiple output (MIMO) system. At the transmitter side, a Gaussian random measurement matrix…

信息论 · 计算机科学 2016-04-05 Chanzi Liu , Qingchun Chen , Xiaohu Tang

While deep neural networks (NN) significantly advance image compressed sensing (CS) by improving reconstruction quality, the necessity of training current CS NNs from scratch constrains their effectiveness and hampers rapid deployment.…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Bin Chen , Zhenyu Zhang , Weiqi Li , Chen Zhao , Jiwen Yu , Shijie Zhao , Jie Chen , Jian Zhang

Un-trained convolutional neural networks have emerged as highly successful tools for image recovery and restoration. They are capable of solving standard inverse problems such as denoising and compressive sensing with excellent results by…

机器学习 · 计算机科学 2020-05-11 Reinhard Heckel , Mahdi Soltanolkotabi

Multi-task learning aims to boost the generalization performance of multiple related tasks simultaneously by leveraging information contained in those tasks. In this paper, we propose a multi-task learning framework, where we utilize prior…

机器学习 · 计算机科学 2023-01-05 Mengyuan Zhang , Kai Liu

Deep learning (DL)-based channel state information (CSI) feedback has shown promising potential to improve spectrum efficiency in massive MIMO systems. However, practical DL approaches require a sizeable CSI dataset for each scenario, and…

信息论 · 计算机科学 2023-11-07 Zhenyu Liu , Li Wang , Lianming Xu , Zhi Ding

Traditionally, the vision community has devised algorithms to estimate the distance between an original image and images that have been subject to perturbations. Inspiration was usually taken from the human visual perceptual system and how…

机器学习 · 计算机科学 2020-11-18 Alexander Hepburn , Valero Laparra , Jesús Malo , Ryan McConville , Raul Santos-Rodriguez

Recently, the study on learned iterative shrinkage thresholding algorithm (LISTA) has attracted increasing attentions. A large number of experiments as well as some theories have proved the high efficiency of LISTA for solving sparse coding…

机器学习 · 计算机科学 2021-06-24 Lin Kong , Wei Sun , Fanhua Shang , Yuanyuan Liu , Hongying Liu

Recurrent neural networks (RNNs) are powerful and effective for processing sequential data. However, RNNs are usually considered "black box" models whose internal structure and learned parameters are not interpretable. In this paper, we…

机器学习 · 统计学 2016-11-23 Scott Wisdom , Thomas Powers , James Pitton , Les Atlas