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This paper proposes an algorithm to efficiently solve multistage stochastic programs with block separable recourse where each recourse problem is a multistage stochastic program with stage-wise independent uncertainty. The algorithm first…

最优化与控制 · 数学 2025-07-30 Nicolò Mazzi , Ken Mckinnon , Hongyu Zhang

Data detection of convolutional coded differential quaternary phase shift keyed (DQPSK) signals using a predictive Viterbi algorithm (VA) based receiver, is presented for single input, multiple output - orthogonal frequency division…

信息论 · 计算机科学 2017-10-10 Vineel Kumar Veludandi , K Vasudevan

Learning algorithms for Deep Neural Networks are typically based on supervised end-to-end Stochastic Gradient Descent (SGD) training with error backpropagation (backprop). Backprop algorithms require a large number of labelled training…

计算机视觉与模式识别 · 计算机科学 2022-07-08 Gabriele Lagani , Claudio Gennaro , Hannes Fassold , Giuseppe Amato

In this article, we introduce and analyze a deep learning based approximation algorithm for SPDEs. Our approach employs neural networks to approximate the solutions of SPDEs along given realizations of the driving noise process. If applied…

Fast convergence speed is a desired property for training latent Dirichlet allocation (LDA), especially in online and parallel topic modeling for massive data sets. This paper presents a novel residual belief propagation (RBP) algorithm to…

机器学习 · 计算机科学 2013-06-14 Jia Zeng , Xiao-Qin Cao , Zhi-Qiang Liu

Digital Predistortion (DPD) is a popular technique to enhance signal quality in wideband RF power amplifiers (PAs). With increasing bandwidth and data rates, DPD faces significant energy consumption challenges during deployment, contrasting…

信号处理 · 电气工程与系统科学 2025-08-26 Yizhuo Wu , Yi Zhu , Kun Qian , Qinyu Chen , Anding Zhu , John Gajadharsing , Leo C. N. de Vreede , Chang Gao

In this work, we propose ReStoCNet, a residual stochastic multilayer convolutional Spiking Neural Network (SNN) composed of binary kernels, to reduce the synaptic memory footprint and enhance the computational efficiency of SNNs for complex…

计算机视觉与模式识别 · 计算机科学 2019-02-13 Gopalakrishnan Srinivasan , Kaushik Roy

Approximate message passing (AMP) algorithms are iterative methods for signal recovery in noisy linear systems. In some scenarios, AMP algorithms need to operate within a distributed network. To address this challenge, the distributed…

信号处理 · 电气工程与系统科学 2024-07-26 Jun Lu , Lei Liu , Shunqi Huang , Ning Wei , Xiaoming Chen

Recent advances in the design of convolutional neural network (CNN) have yielded significant improvements in the performance of image super-resolution (SR). The boost in performance can be attributed to the presence of residual or dense…

图像与视频处理 · 电气工程与系统科学 2022-01-31 Kuldeep Purohit , Srimanta Mandal , A. N. Rajagopalan

Sparse learning has been widely studied to capture critical information from enormous data sources in the filed of system identification. Often, it is essential to understand internal working mechanisms of unknown systems (e.g. biological…

信号处理 · 电气工程与系统科学 2020-08-11 Junlin Li , Wei Zhou , Cheng Cheng

In preference-based reinforcement learning (RL), an agent interacts with the environment while receiving preferences instead of absolute feedback. While there is increasing research activity in preference-based RL, the design of formal…

机器学习 · 计算机科学 2020-06-30 Ellen R. Novoseller , Yibing Wei , Yanan Sui , Yisong Yue , Joel W. Burdick

It is known that Boosting can be interpreted as a gradient descent technique to minimize an underlying loss function. Specifically, the underlying loss being minimized by the traditional AdaBoost is the exponential loss, which is proved to…

计算机视觉与模式识别 · 计算机科学 2017-06-26 Kaidong Wang , Yao Wang , Qian Zhao , Deyu Meng , Zongben Xu

Multi-Grid Back-Projection (MGBP) is a fully-convolutional network architecture that can learn to restore images and videos with upscaling artifacts. Using the same strategy of multi-grid partial differential equation (PDE) solvers this…

图像与视频处理 · 电气工程与系统科学 2021-01-05 Pablo Navarrete Michelini , Wenbin Chen , Hanwen Liu , Dan Zhu , Xingqun Jiang

In this paper, we propose a multi-channel speech source separation with a deep neural network (DNN) which is trained under the condition that no clean signal is available. As an alternative to a clean signal, the proposed method adopts an…

音频与语音处理 · 电气工程与系统科学 2019-11-12 Masahito Togami , Yoshiki Masuyama , Tatsuya Komatsu , Yu Nakagome

Deep neural networks are a very powerful tool for many computer vision tasks, including image restoration, exhibiting state-of-the-art results. However, the performance of deep learning methods tends to drop once the observation model used…

图像与视频处理 · 电气工程与系统科学 2020-07-01 Jenny Zukerman , Tom Tirer , Raja Giryes

Distribution system state estimation (DSSE) is an essential tool for operation of distribution networks, the results of which enables the operator to have a thorough observation of the system. Thus, most distribution management systems…

系统与控制 · 计算机科学 2015-04-15 Vahid Rasouli Disfani , Mohammad Chehreghani Bozchalui , Ratnesh Sharma

Multi-label learning is a challenging computer vision task that requires assigning multiple categories to each image. However, fully annotating large-scale datasets is often impractical due to high costs and effort, motivating the study of…

计算机视觉与模式识别 · 计算机科学 2025-08-29 Luong Tran , Thieu Vo , Anh Nguyen , Sang Dinh , Van Nguyen

Stochastic Gradient Descent (SGD) is an important algorithm in machine learning. With constant learning rates, it is a stochastic process that, after an initial phase of convergence, generates samples from a stationary distribution. We show…

机器学习 · 统计学 2017-09-12 Stephan Mandt , Matthew D. Hoffman , David M. Blei

Gradient descent computed by backpropagation (BP) is a widely used learning method for training artificial neural networks but has several limitations: it is computationally demanding, requires frequent manual tuning of the network…

信号处理 · 电气工程与系统科学 2024-10-02 Jiaqi Xing , Libo Chen , ZeZheng Zhang , Mohammed Nazibul Hasan , Zhi-Bin Zhang

Stochastic simulation algorithms such as likelihood weighting often give fast, accurate approximations to posterior probabilities in probabilistic networks, and are the methods of choice for very large networks. Unfortunately, the special…

人工智能 · 计算机科学 2016-11-26 Keiji Kanazawa , Daphne Koller , Stuart Russell