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Low-dose CT denoising is a challenging task that has been studied by many researchers. Some studies have used deep neural networks to improve the quality of low-dose CT images and achieved fruitful results. In this paper, we propose a deep…

Image and Video Processing · Electrical Eng. & Systems 2019-02-28 Maryam Gholizadeh-Ansari , Javad Alirezaie , Paul Babyn

Deep Neural Network (DNN) acoustic models have yielded many state-of-the-art results in Automatic Speech Recognition (ASR) tasks. More recently, Recurrent Neural Network (RNN) models have been shown to outperform DNNs counterparts. However,…

Machine Learning · Computer Science 2015-04-08 William Chan , Nan Rosemary Ke , Ian Lane

A deep convolutional neural network has been developed to denoise atomic-resolution TEM image datasets of nanoparticles acquired using direct electron counting detectors, for applications where the image signal is severely limited by shot…

JPEG is one of the widely used lossy compression methods. JPEG-compressed images usually suffer from compression artifacts including blocking and blurring, especially at low bit-rates. Soft decoding is an effective solution to improve the…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Honggang Chen , Xiaohai He , Linbo Qing , Shuhua Xiong , Truong Q. Nguyen

Convolutional neural networks (CNNs) have shown outstanding performance on image denoising with the help of large-scale datasets. Earlier methods naively trained a single CNN with many pairs of clean-noisy images. However, the conditional…

Image and Video Processing · Electrical Eng. & Systems 2021-04-05 Jae Woong Soh , Nam Ik Cho

We introduce, design, and evaluate a set of universal receiver beamforming techniques. Our approach and system DEFORM, a Deep Learning (DL) based RX beamforming achieves significant gain for multi antenna RF receivers while being agnostic…

Networking and Internet Architecture · Computer Science 2022-03-21 Hai N. Nguyen , Guevara Noubir

Deep Learning has a wide application in the area of natural language processing and image processing due to its strong ability of generalization. In this paper, we propose a novel neural network structure for jointly optimizing the…

Signal Processing · Electrical Eng. & Systems 2018-08-10 Banghua Zhu , Jintao Wang , Longzhuang He , Jian Song

Mesh denoising is a critical technology in geometry processing that aims to recover high-fidelity 3D mesh models of objects from their noise-corrupted versions. In this work, we propose a learning-based normal filtering scheme for mesh…

Graphics · Computer Science 2019-11-15 Wenbo Zhao , Xianming Liu , Yongsen Zhao , Xiaopeng Fan , Debin Zhao

In the realm of wireless communication, stochastic modeling of channels is instrumental for the assessment and design of operational systems. Deep learning neural networks (DLNN), including generative adversarial networks (GANs), are being…

Information Theory · Computer Science 2024-10-28 Lee Youngmin , Ma Xiaomin , Lang S. I. D. Andrew , Valderrama-Araya F. Enrique , Chapuis L. Andrew

Low-Power Wide-Area Networks (LPWANs) are an emerging Internet-of-Things (IoT) paradigm marked by low-power and long-distance communication. Among them, LoRa is widely deployed for its unique characteristics and open-source technology. By…

Networking and Internet Architecture · Computer Science 2023-05-03 Jialuo Du , Yidong Ren , Mi Zhang , Yunhao Liu , Zhichao Cao

Convolutional neural network (CNN) based image enhancement methods such as super-resolution and detail enhancement have achieved remarkable performances. However, amounts of operations including convolution and parameters within the…

Image and Video Processing · Electrical Eng. & Systems 2022-05-03 Sangwook Baek , Yongsup Park , Youngo Park , Jungmin Lee , Kwangpyo Choi

Non-linear spectral decompositions of images based on one-homogeneous functionals such as total variation have gained considerable attention in the last few years. Due to their ability to extract spectral components corresponding to objects…

Computer Vision and Pattern Recognition · Computer Science 2020-10-22 Tamara G. Grossmann , Yury Korolev , Guy Gilboa , Carola-Bibiane Schönlieb

We propose a novel semantic segmentation algorithm by learning a deconvolution network. We learn the network on top of the convolutional layers adopted from VGG 16-layer net. The deconvolution network is composed of deconvolution and…

Computer Vision and Pattern Recognition · Computer Science 2015-05-19 Hyeonwoo Noh , Seunghoon Hong , Bohyung Han

This letter presents a novel hybrid method that leverages deep learning to exploit the multi-resolution analysis capability of the wavelets, in order to denoise a photoplethysmography (PPG) signal. Under the proposed method, a noisy PPG…

Information Theory · Computer Science 2023-01-18 Rabia Ahmed , Ahsan Mehmood , Muhammad Mahboob Ur Rahman , Octavia A. Dobre

The presence of noise is common in signal processing regardless the signal type. Deep neural networks have shown good performance in noise removal, especially on the image domain. In this work, we consider deep neural networks as a…

Machine Learning · Computer Science 2020-07-07 Leslie Casas , Attila Klimmek , Nassir Navab , Vasileios Belagiannis

For spectral efficiency, higher order modulation symbols confer information on more than one bit. As soft detection forward error correction decoders assume the availability of information at binary granularity, however, soft demappers are…

Information Theory · Computer Science 2023-08-11 Wei An , Muriel Medard , Ken R. Duffy

We propose an efficient neural network for RAW image denoising. Although neural network-based denoising has been extensively studied for image restoration, little attention has been given to efficient denoising for compute limited and power…

Image and Video Processing · Electrical Eng. & Systems 2021-03-19 Lucas D. Young , Fitsum A. Reda , Rakesh Ranjan , Jon Morton , Jun Hu , Yazhu Ling , Xiaoyu Xiang , David Liu , Vikas Chandra

As an integral component of blind image deblurring, non-blind deconvolution removes image blur with a given blur kernel, which is essential but difficult due to the ill-posed nature of the inverse problem. The predominant approach is based…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Dong Gong , Zhen Zhang , Qinfeng Shi , Anton van den Hengel , Chunhua Shen , Yanning Zhang

Polar codes have drawn much attention and been adopted in 5G New Radio (NR) due to their capacity-achieving performance. Recently, as the emerging deep learning (DL) technique has breakthrough achievements in many fields, neural network…

Signal Processing · Electrical Eng. & Systems 2019-02-05 Chieh-Fang Teng , Chen-Hsi Wu , Kuan-Shiuan Ho , An-Yeu Wu

Neuron pruning is an efficient method to compress the network into a slimmer one for reducing the computational cost and storage overhead. Most of state-of-the-art results are obtained in a layer-by-layer optimization mode. It discards the…

Computer Vision and Pattern Recognition · Computer Science 2018-12-18 Weijie Chen , Yuan Zhang , Di Xie , Shiliang Pu