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Deep neural networks (DNNs) have found applications in diverse signal processing (SP) problems. Most efforts either directly adopt the DNN as a black-box approach to perform certain SP tasks without taking into account of any known…

信号处理 · 电气工程与系统科学 2022-04-27 Zhe Zhang , Xiang Chen , Zhi Tian

In photoacoustic tomography (PAT), the acoustic pressure waves produced by optical excitation are measured by an array of detectors and used to reconstruct an image. Sparse spatial sampling and limited-view detection are two common…

图像与视频处理 · 电气工程与系统科学 2021-04-08 Steven Guan , Ko-Tsung Hsu , Matthias Eyassu , Parag V. Chitnis

Simulation-to-simulation and simulation-to-real world transfer of neural network models have been a difficult problem. To close the reality gap, prior methods to simulation-to-real world transfer focused on domain adaptation, decoupling…

机器学习 · 计算机科学 2020-01-06 Sahika Genc , Sunil Mallya , Sravan Bodapati , Tao Sun , Yunzhe Tao

Object rearranging is one of the most common deformable manipulation tasks, where the robot needs to rearrange a deformable object into a goal configuration. Previous studies focus on designing an expert system for each specific task by…

机器人学 · 计算机科学 2023-02-22 Yuhong Deng , Chongkun Xia , Xueqian Wang , Lipeng Chen

This article presents a "Hybrid Self-Attention NEAT" method to improve the original NeuroEvolution of Augmenting Topologies (NEAT) algorithm in high-dimensional inputs. Although the NEAT algorithm has shown a significant result in different…

神经与进化计算 · 计算机科学 2023-06-21 Saman Khamesian , Hamed Malek

Deep learning, as a highly efficient method for metasurface inverse design, commonly use simulation data to train deep neural networks (DNNs) that can map desired functionalities to proper metasurface designs. However, the assumptions and…

信号处理 · 电气工程与系统科学 2023-08-07 Jingxin Zhang , Jiawei Xi , Peixing Li , Ray C. C. Cheung , Alex M. H. Wong , Jensen Li

In this work, we propose a (linearized) Alternating Direction Method-of-Multipliers (ADMM) algorithm for minimizing a convex function subject to a nonconvex constraint. We focus on the special case where such constraint arises from the…

机器学习 · 计算机科学 2019-07-09 Fabian Latorre Gómez , Armin Eftekhari , Volkan Cevher

Federated learning (FL) is a promising framework for learning from distributed data while maintaining privacy. The development of efficient FL algorithms encounters various challenges, including heterogeneous data and systems, limited…

机器学习 · 计算机科学 2024-08-01 Yongcun Song , Ziqi Wang , Enrique Zuazua

Deep neural networks (DNNs) have become ubiquitous thanks to their remarkable ability to model complex patterns across various domains such as computer vision, speech recognition, robotics, etc. While large DNN models are often more…

机器学习 · 计算机科学 2025-11-18 Omkar Shende , Gayathri Ananthanarayanan , Marcello Traiola

Recently, very deep convolutional neural networks (CNNs) have been attracting considerable attention in image restoration. However, as the depth grows, the long-term dependency problem is rarely realized for these very deep models, which…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Ying Tai , Jian Yang , Xiaoming Liu , Chunyan Xu

In this paper, we first propose a variational model for the limited-angle computed tomography (CT) image reconstruction and then convert the model into an end-to-end deep network.We use the penalty method to solve the model and divide it…

图像与视频处理 · 电气工程与系统科学 2020-08-11 Wei Wang , Xiang-Gen Xia , Chuanjiang He , Zemin Ren , Jian Lu , Tianfu Wang , Baiying Lei

Over the past years, pseudo-healthy reconstruction for unsupervised anomaly detection has gained in popularity. This approach has the great advantage of not requiring tedious pixel-wise data annotation and offers possibility to generalize…

图像与视频处理 · 电气工程与系统科学 2024-01-30 Ravi Hassanaly , Camille Brianceau , Maëlys Solal , Olivier Colliot , Ninon Burgos

The state-of-art DNN structures involve high computation and great demand for memory storage which pose intensive challenge on DNN framework resources. To mitigate the challenges, weight pruning techniques has been studied. However, high…

机器学习 · 计算机科学 2019-05-03 Xiaolong Ma , Geng Yuan , Sheng Lin , Zhengang Li , Hao Sun , Yanzhi Wang

Training deep neural networks is challenging. To accelerate training and enhance performance, we propose PadamP, a novel optimization algorithm. PadamP is derived by applying the adaptive estimation of the p-th power of the second-order…

最优化与控制 · 数学 2025-03-14 Yongqi Li , Xiaowei Zhang

Fourier phase retrieval (FPR) is a challenging task widely used in various applications. It involves recovering an unknown signal from its Fourier phaseless measurements. FPR with few measurements is important for reducing time and hardware…

图像与视频处理 · 电气工程与系统科学 2023-07-19 Liyuan Ma , Hongxia Wang , Ningyi Leng , Ziyang Yuan

Deep neural networks (DNNs) have revolutionized the field of artificial intelligence and have achieved unprecedented success in cognitive tasks such as image and speech recognition. Training of large DNNs, however, is computationally…

Federated learning enables training on a massive number of edge devices. To improve flexibility and scalability, we propose a new asynchronous federated optimization algorithm. We prove that the proposed approach has near-linear convergence…

分布式、并行与集群计算 · 计算机科学 2020-12-08 Cong Xie , Sanmi Koyejo , Indranil Gupta

We extend the finite element interpolated neural network (FEINN) framework from partial differential equations (PDEs) with weak solutions in $H^1$ to PDEs with weak solutions in $H(\textbf{curl})$ or $H(\textbf{div})$. To this end, we…

数值分析 · 数学 2025-03-17 Santiago Badia , Wei Li , Alberto F. Martín

In plug-and-play image restoration, the regularization is performed using powerful denoisers such as nonlocal means (NLM) or BM3D. This is done within the framework of alternating direction method of multipliers (ADMM), where the…

计算机视觉与模式识别 · 计算机科学 2019-01-21 Unni V. S. , Sanjay Ghosh , Kunal N. Chaudhury

Deep convolutional neural networks (CNN) have recently been shown to generate promising results for aesthetics assessment. However, the performance of these deep CNN methods is often compromised by the constraint that the neural network…

计算机视觉与模式识别 · 计算机科学 2017-04-04 Shuang Ma , Jing Liu , Chang Wen Chen