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Lossy image compression algorithms are pervasively used to reduce the size of images transmitted over the web and recorded on data storage media. However, we pay for their high compression rate with visual artifacts degrading the user…

计算机视觉与模式识别 · 计算机科学 2018-01-30 Lukas Cavigelli , Pascal Hager , Luca Benini

We propose a supervised machine learning approach for boosting existing signal and image recovery methods and demonstrate its efficacy on example of image reconstruction in computed tomography. Our technique is based on a local nonlinear…

计算机视觉与模式识别 · 计算机科学 2013-12-02 Joseph Shtok , Michael Zibulevsky , Michael Elad

We propose a novel regularizer for supervised learning called Conditioning on Noisy Targets (CNT). This approach consists in conditioning the model on a noisy version of the target(s) (e.g., actions in imitation learning or labels in…

机器学习 · 计算机科学 2022-10-28 Alexia Jolicoeur-Martineau , Alex Lamb , Vikas Verma , Aniket Didolkar

In CS literature, the efforts can be divided into two groups: finding a measurement matrix that preserves the compressed information at the maximum level, and finding a reconstruction algorithm for the compressed information. In the…

信号处理 · 电气工程与系统科学 2021-08-09 Mehmet Yamac , Ugur Akpinar , Erdem Sahin , Serkan Kiranyaz , Moncef Gabbouj

Research on continual learning has led to a variety of approaches to mitigating catastrophic forgetting in feed-forward classification networks. Until now surprisingly little attention has been focused on continual learning of recurrent…

计算机视觉与模式识别 · 计算机科学 2020-10-30 Riccardo Del Chiaro , Bartłomiej Twardowski , Andrew D. Bagdanov , Joost van de Weijer

Existing image compressed sensing (CS) coding frameworks usually solve an inverse problem based on measurement coding and optimization-based image reconstruction, which still exist the following two challenges: 1) The widely used random…

图像与视频处理 · 电气工程与系统科学 2024-03-01 Wenxue Cui , Xingtao Wang , Xiaopeng Fan , Shaohui Liu , Xinwei Gao , Debin Zhao

We propose a learning-based compression scheme that envelopes a standard codec between pre and post-processing deep CNNs. Specifically, we demonstrate improvements over prior approaches utilizing a compression-decompression network by…

图像与视频处理 · 电气工程与系统科学 2023-11-03 Dipti Mishra , Satish Kumar Singh , Rajat Kumar Singh

Spherical image processing has been widely applied in many important fields, such as omnidirectional vision for autonomous cars, global climate modelling, and medical imaging. It is non-trivial to extend an algorithm developed for flat…

图像与视频处理 · 电气工程与系统科学 2022-09-30 Jianfei Li , Chaoyan Huang , Raymond Chan , Han Feng , Micheal Ng , Tieyong Zeng

Deep learning networks have shown state-of-the-art performance in many image reconstruction problems. However, it is not well understood what properties of representation and learning may improve the generalization ability of the network.…

机器学习 · 计算机科学 2019-05-14 Sandesh Ghimire , Prashnna Kumar Gyawali , Jwala Dhamala , John L Sapp , Milan Horacek , Linwei Wang

In recent years, tons of research has been conducted on Single Image Super-Resolution (SISR). However, to the best of our knowledge, few of these studies are mainly focused on compressed images. A problem such as complicated compression…

图像与视频处理 · 电气工程与系统科学 2022-01-19 Agus Gunawan , Sultan Rizky Hikmawan Madjid

As a new neural machine translation approach, Non-Autoregressive machine Translation (NAT) has attracted attention recently due to its high efficiency in inference. However, the high efficiency has come at the cost of not capturing the…

计算与语言 · 计算机科学 2019-02-28 Yiren Wang , Fei Tian , Di He , Tao Qin , ChengXiang Zhai , Tie-Yan Liu

In Machine Learning, Artificial Neural Networks (ANNs) are a very powerful tool, broadly used in many applications. Often, the selected (deep) architectures include many layers, and therefore a large amount of parameters, which makes…

机器学习 · 计算机科学 2022-06-29 Matteo Cacciola , Antonio Frangioni , Xinlin Li , Andrea Lodi

Feature representations, both hand-designed and learned ones, are often hard to analyze and interpret, even when they are extracted from visual data. We propose a new approach to study image representations by inverting them with an…

神经与进化计算 · 计算机科学 2016-04-28 Alexey Dosovitskiy , Thomas Brox

Positron emission tomography (PET) is widely used in various clinical applications, including cancer diagnosis, heart disease and neuro disorders. The use of radioactive tracer in PET imaging raises concerns due to the risk of radiation…

计算机视觉与模式识别 · 计算机科学 2017-12-13 Junshen Xu , Enhao Gong , John Pauly , Greg Zaharchuk

Compressed Sensing (CS) theory simultaneously realizes the signal sampling and compression process, and can use fewer observations to achieve accurate signal recovery, providing a solution for better and faster transmission of massive data.…

信号处理 · 电气工程与系统科学 2021-06-25 Guanxiong Nie , Yajian Zhou

Synchrotron radiation sources are widely used in various fields, among which computed tomography (CT) is one of the most important. The amount of effort expended by the operator varies depending on the subject. If the number of angles…

图像与视频处理 · 电气工程与系统科学 2021-09-08 Ling Li , Yu Hu

Scene text image super-resolution aims to increase the resolution and readability of the text in low-resolution images. Though significant improvement has been achieved by deep convolutional neural networks (CNNs), it remains difficult to…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Jianqi Ma , Zhetong Liang , Lei Zhang

Quantitative image reconstruction in dual-energy computed tomography (CT) remains a topic of active research. We read with interest ``DIRECT-Net: A unified mutual-domain material decomposition network for quantitative dual-energy CT…

医学物理 · 物理学 2022-12-20 Xiaochuan Pan , Emil Y. Sidky

Existing deep compressive sensing (CS) methods either ignore adaptive online optimization or depend on costly iterative optimizer during reconstruction. This work explores a novel image CS framework with recurrent-residual structural…

图像与视频处理 · 电气工程与系统科学 2022-07-18 Jun Niu

This paper presents a new regularization method to train a fully convolutional network for semantic tissue segmentation in histopathological images. This method relies on the benefit of unsupervised learning, in the form of image…

计算机视觉与模式识别 · 计算机科学 2020-11-26 C. T. Sari , C. Sokmensuer , C. Gunduz-Demir
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