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Deep neural networks have achieved remarkable success in computer vision tasks. Existing neural networks mainly operate in the spatial domain with fixed input sizes. For practical applications, images are usually large and have to be…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Kai Xu , Minghai Qin , Fei Sun , Yuhao Wang , Yen-Kuang Chen , Fengbo Ren

Image compression, as one of the fundamental low-level image processing tasks, is very essential for computer vision. Tremendous computing and storage resources can be preserved with a trivial amount of visual information. Conventional…

计算机视觉与模式识别 · 计算机科学 2020-09-09 Zhaohui Yang , Yunhe Wang , Chang Xu , Peng Du , Chao Xu , Chunjing Xu , Qi Tian

Compressive sensing (CS) is a new approach for the acquisition and recovery of sparse signals and images that enables sampling rates significantly below the classical Nyquist rate. Despite significant progress in the theory and methods of…

计算机视觉与模式识别 · 计算机科学 2013-06-27 Aswin C Sankaranarayanan , Pavan K Turaga , Rama Chellappa , Richard G Baraniuk

While Convolutional Neural Networks (CNNs) excel at learning complex latent-space representations, their over-parameterization can lead to overfitting and reduced performance, particularly with limited data. This, alongside their high…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Manish Sharma , Jamison Heard , Eli Saber , Panos P. Markopoulos

Compressed sensing (CS) MRI relies on adequate undersampling of the k-space to accelerate the acquisition without compromising image quality. Consequently, the design of optimal sampling patterns for these k-space coefficients has received…

图像与视频处理 · 电气工程与系统科学 2021-01-26 Iris A. M. Huijben , Bastiaan S. Veeling , Ruud J. G. van Sloun

Recent works have demonstrated that deep learning (DL) based compressed sensing (CS) implementation can accelerate Magnetic Resonance (MR) Imaging by reconstructing MR images from sub-sampled k-space data. However, network architectures…

图像与视频处理 · 电气工程与系统科学 2023-11-03 Jiangpeng Yan , Shuo Chen , Yongbing Zhang , Xiu Li

Deep neural networks represent the gold standard for image classification. However, they usually need large amounts of data to reach superior performance. In this work, we focus on image classification problems with a few labeled examples…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Lorenzo Brigato , Luca Iocchi

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

Training robust deep video representations has proven to be much more challenging than learning deep image representations. This is in part due to the enormous size of raw video streams and the high temporal redundancy; the true and…

计算机视觉与模式识别 · 计算机科学 2018-04-02 Chao-Yuan Wu , Manzil Zaheer , Hexiang Hu , R. Manmatha , Alexander J. Smola , Philipp Krähenbühl

Dynamic MR image reconstruction from incomplete k-space data has generated great research interest due to its capability in reducing scan time. Nevertheless, the reconstruction problem is still challenging due to its ill-posed nature. Most…

计算机视觉与模式识别 · 计算机科学 2018-11-07 Shanshan Wang , Ziwen Ke , Huitao Cheng , Sen Jia , Ying Leslie , Hairong Zheng , Dong Liang

Deep neural networks (DNNs) have achieved significant success in a variety of real world applications, i.e., image classification. However, tons of parameters in the networks restrict the efficiency of neural networks due to the large model…

机器学习 · 计算机科学 2019-08-21 Yuzhe Ma , Ran Chen , Wei Li , Fanhua Shang , Wenjian Yu , Minsik Cho , Bei Yu

Compressive sensing (CS) has been studied and applied in structural health monitoring for wireless data acquisition and transmission, structural modal identification, and spare damage identification. The key issue in CS is finding the…

信号处理 · 电气工程与系统科学 2019-03-25 Yuequan Bao , Zhiyi Tang , Hui Li

Compressive Sensing (CS) theory asserts that sparse signal reconstruction is possible from a small number of linear measurements. Although CS enables low-cost linear sampling, it requires non-linear and costly reconstruction. Recent…

机器学习 · 计算机科学 2018-10-16 Aysen Degerli , Sinem Aslan , Mehmet Yamac , Bulent Sankur , Moncef Gabbouj

Deep learning based image segmentation methods have achieved great success, even having human-level accuracy in some applications. However, due to the black box nature of deep learning, the best method may fail in some situations. Thus…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Leixin Zhou , Wenxiang Deng , Xiaodong Wu

Video understanding usually requires expensive computation that prohibits its deployment, yet videos contain significant spatiotemporal redundancy that can be exploited. In particular, operating directly on the motion vectors and residuals…

计算机视觉与模式识别 · 计算机科学 2020-04-23 Barak Battash , Haim Barad , Hanlin Tang , Amit Bleiweiss

Deep neural networks (DNNs) often have to be compressed, via pruning and/or quantization, before they can be deployed in practical settings. In this work we propose a new compression-aware minimizer dubbed CrAM that modifies the…

机器学习 · 计算机科学 2023-05-05 Alexandra Peste , Adrian Vladu , Eldar Kurtic , Christoph H. Lampert , Dan Alistarh

With the rapid advancements in digital imaging systems and networking, low-cost hand-held image capture devices equipped with network connectivity are becoming ubiquitous. This ease of digital image capture and sharing is also accompanied…

多媒体 · 计算机科学 2019-06-20 Vinay Verma , Nikita Agarwal , Nitin Khanna

Decreasing magnetic resonance (MR) image acquisition times can potentially reduce procedural cost and make MR examinations more accessible. Compressed sensing (CS)-based image reconstruction methods, for example, decrease MR acquisition…

图像与视频处理 · 电气工程与系统科学 2018-10-31 Roberto Souza , Richard Frayne

This paper introduces a concept of neural network specialization via task-specific domain constraining, aimed at enhancing network performance on data subspace in which the network operates. The study presents experiments on training…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Roman Malashin , Daniil Ilyukhin

We present a video compressive sensing framework, termed kt-CSLDS, to accelerate the image acquisition process of dynamic magnetic resonance imaging (MRI). We are inspired by a state-of-the-art model for video compressive sensing that…

计算机视觉与模式识别 · 计算机科学 2014-02-04 Jianing V. Shi , Wotao Yin , Aswin C. Sankaranarayanan , Richard G. Baraniuk