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相关论文: Convergent ADMM Plug and Play PET Image Reconstruc…

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Recently, Deep Neural Networks (DNNs) have recorded great success in handling medical and other complex classification tasks. However, as the sizes of a DNN model and the available dataset increase, the training process becomes more complex…

分布式、并行与集群计算 · 计算机科学 2022-02-08 Samson B. Akintoye , Liangxiu Han , Xin Zhang , Haoming Chen , Daoqiang Zhang

The Plug-and-Play (PnP) framework was recently introduced for low-dose CT reconstruction to leverage the interpretability and the flexibility of model-based methods to incorporate various plugins, such as trained deep learning (DL) neural…

图像与视频处理 · 电气工程与系统科学 2022-02-16 Qifan Xu , Qihui Lyu , Dan Ruan , Ke Sheng

The alternating direction method of multipliers (ADMM) algorithm is a powerful and flexible tool for complex optimization problems of the form $\min\{f(x)+g(y) : Ax+By=c\}$. ADMM exhibits robust empirical performance across a range of…

最优化与控制 · 数学 2024-02-08 Rina Foygel Barber , Emil Y. Sidky

Defect detection is a basic and essential task in automatic parts production, especially for automotive engine precision parts. In this paper, we propose a new idea to construct a deep convolutional network combining related knowledge of…

计算机视觉与模式识别 · 计算机科学 2018-10-30 Zhenshen Qu , Jianxiong Shen , Ruikun Li , Junyu Liu , Qiuyu Guan

Our aim was to enhance visual quality and quantitative accuracy of dynamic positron emission tomography (PET)uptake images by improved image reconstruction, using sophisticated sparse penalty models that incorporate both 2D spatial+1D…

计算机视觉与模式识别 · 计算机科学 2019-06-17 Ida Häggström , Yizun Lin , Si Li , Andrzej Krol , Yuesheng Xu , C. Ross Schmidtlein

Learn in-situ is a growing trend for Edge AI. Training deep neural network (DNN) on edge devices is challenging because both energy and memory are constrained. Low precision training helps to reduce the energy cost of a single training…

机器学习 · 计算机科学 2020-12-24 Tian Huang , Tao Luo , Joey Tianyi Zhou

High quality AI solutions require joint optimization of AI algorithms and their hardware implementations. In this work, we are the first to propose a fully simultaneous, efficient differentiable DNN architecture and implementation co-search…

机器学习 · 计算机科学 2020-05-07 Yuhong Li , Cong Hao , Xiaofan Zhang , Xinheng Liu , Yao Chen , Jinjun Xiong , Wen-mei Hwu , Deming Chen

Deep image prior (DIP) has recently attracted attention owing to its unsupervised positron emission tomography (PET) image reconstruction, which does not require any prior training dataset. In this paper, we present the first attempt to…

医学物理 · 物理学 2023-08-08 Fumio Hashimoto , Yuya Onishi , Kibo Ote , Hideaki Tashima , Taiga Yamaya

The demand for high speed data transmission has increased rapidly, leading to advanced optical communication techniques. In the past few years, multiple equalizers based on neural network (NN) have been proposed to recover signal from…

信号处理 · 电气工程与系统科学 2020-08-26 Qingyi Zhou , Fan Zhang , Chuanchuan Yang

Plug-and-Play (PnP) methods are a class of efficient iterative methods that aim to combine data fidelity terms and deep denoisers using classical optimization algorithms, such as ISTA or ADMM, with applications in inverse problems and…

最优化与控制 · 数学 2023-11-14 Hong Ye Tan , Subhadip Mukherjee , Junqi Tang , Carola-Bibiane Schönlieb

Model fusion aims to integrate several deep neural network (DNN) models' knowledge into one by fusing parameters, and it has promising applications, such as improving the generalization of foundation models and parameter averaging in…

机器学习 · 计算机科学 2025-10-28 Zexi Li , Zhiqi Li , Jie Lin , Tao Shen , Jun Xiao , Yike Guo , Tao Lin , Chao Wu

Ultra-low-dose CT (ULDCT) imaging can greatly reduce patient radiation exposure, but the resulting scans suffer from severe structured and random noise that degrades image quality. To address this challenge, we propose a novel Plug-and-Play…

图像与视频处理 · 电气工程与系统科学 2026-01-05 Sayantan Dutta , Sudhanya Chatterjee , Ashwini Galande , K. S. Shriram , Bipul Das

This paper presents a proper generalized decomposition (PGD) based reduced-order model of hierarchical deep-learning neural networks (HiDeNN). The proposed HiDeNN-PGD method keeps both advantages of HiDeNN and PGD methods. The automatic…

数值分析 · 数学 2022-01-12 Lei Zhang , Ye Lu , Shaoqiang Tang , Wing Kam Liu

Alternating Direction Method of Multipliers (ADMM) has been used successfully in many conventional machine learning applications and is considered to be a useful alternative to Stochastic Gradient Descent (SGD) as a deep learning optimizer.…

最优化与控制 · 数学 2021-07-07 Junxiang Wang , Fuxun Yu , Xiang Chen , Liang Zhao

This paper presents HUANet, a constrained deep neural network architecture that unrolls the iterations of the Alternating Direction Method of Multipliers (ADMM) into a trainable neural network for solving constrained convex optimization…

最优化与控制 · 数学 2026-04-16 Trinh Tran , Binh Nguyen , Truong X. Nghiem

To solve high-dimensional parameter-dependent partial differential equations (pPDEs), a neural network architecture is presented. It is constructed to map parameters of the model data to corresponding finite element solutions. To improve…

数值分析 · 数学 2024-03-20 Janina E. Schütte , Martin Eigel

Deep convolutional neural networks (DCNN) have demonstrated its capability to convert MR image to pseudo CT for PET attenuation correction in PET/MRI. Conventionally, attenuated events are corrected in sinogram space using attenuation maps…

计算机视觉与模式识别 · 计算机科学 2019-05-22 Jaewon Yang , Dookun Park , Jae Ho Sohn , Zhen Jane Wang , Grant T. Gullberg , Youngho Seo

Models including two $L^1$ -norm terms have been widely used in image restoration. In this paper we first propose the alternating direction method of multipliers (ADMM) to solve this class of models. Based on ADMM, we then propose the…

计算机视觉与模式识别 · 计算机科学 2015-03-13 Zhi-Feng Pang , Li-Lian Wang , Yu-Fei Yang

We propose a novel data-driven method to accelerate the convergence of Alternating Direction Method of Multipliers (ADMM) for solving distributed DC optimal power flow (DC-OPF) where lines are shared between independent network partitions.…

最优化与控制 · 数学 2020-09-16 David Biagioni , Peter Graf , Xiangyu Zhang , Ahmed Zamzam , Kyri Baker , Jennifer King

The Plug-and-Play (PnP) framework makes it possible to integrate advanced image denoising priors into optimization algorithms, to efficiently solve a variety of image restoration tasks generally formulated as Maximum A Posteriori (MAP)…

图像与视频处理 · 电气工程与系统科学 2023-03-07 Rita Fermanian , Mikael Le Pendu , Christine Guillemot