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The gradients used to train neural networks are typically computed using backpropagation. While an efficient way to obtain exact gradients, backpropagation is computationally expensive, hinders parallelization, and is biologically…

机器学习 · 计算机科学 2026-01-14 Katharina Flügel , Daniel Coquelin , Marie Weiel , Charlotte Debus , Achim Streit , Markus Götz

The advancement of deep convolutional neural networks (DCNNs) has driven significant improvement in the accuracy of recognition systems for many computer vision tasks. However, their practical applications are often restricted in…

计算机视觉与模式识别 · 计算机科学 2018-12-13 Jiaxin Gu , Ce Li , Baochang Zhang , Jungong Han , Xianbin Cao , Jianzhuang Liu , David Doermann

Memory-efficient backpropagation (MeBP) has enabled first-order fine-tuning of large language models (LLMs) on mobile devices with less than 1GB memory. However, MeBP requires backward computation through all transformer layers at every…

机器学习 · 计算机科学 2026-02-16 Juneyoung Park , Eunbeen Yoon , Seongwan Kim. Jaeho Lee

An ongoing challenge in neuromorphic computing is to devise general and computationally efficient models of inference and learning which are compatible with the spatial and temporal constraints of the brain. One increasingly popular and…

神经与进化计算 · 计算机科学 2019-05-06 Emre Neftci , Charles Augustine , Somnath Paul , Georgios Detorakis

Attributions aim to identify input pixels that are relevant to the decision-making process. A popular approach involves using modified backpropagation (BP) rules to reverse decisions, which improves interpretability compared to the original…

机器学习 · 计算机科学 2025-03-17 Guanhua Zheng , Jitao Sang , Changsheng Xu

Backpropagation (BP) has been a successful optimization technique for deep learning models. However, its limitations, such as backward- and update-locking, and its biological implausibility, hinder the concurrent updating of layers and do…

机器学习 · 计算机科学 2023-12-22 Anzhe Cheng , Zhenkun Wang , Chenzhong Yin , Mingxi Cheng , Heng Ping , Xiongye Xiao , Shahin Nazarian , Paul Bogdan

Many of the recent advances in the field of artificial intelligence have been fueled by the highly successful backpropagation of error (BP) algorithm, which efficiently solves the credit assignment problem in artificial neural networks.…

机器学习 · 计算机科学 2023-01-25 Sander Dalm , Nasir Ahmad , Luca Ambrogioni , Marcel van Gerven

In this paper, we introduce BNN-DP, an efficient algorithmic framework for analysis of adversarial robustness of Bayesian Neural Networks (BNNs). Given a compact set of input points $T\subset \mathbb{R}^n$, BNN-DP computes lower and upper…

机器学习 · 计算机科学 2023-06-21 Steven Adams , Andrea Patane , Morteza Lahijanian , Luca Laurenti

Message-passing algorithms based on the Belief Propagation (BP) equations constitute a well-known distributed computational scheme. It is exact on tree-like graphical models and has also proven to be effective in many problems defined on…

机器学习 · 计算机科学 2022-07-20 Carlo Lucibello , Fabrizio Pittorino , Gabriele Perugini , Riccardo Zecchina

Deep learning (DL) is becoming popular as a new tool for many applications in wireless communication systems. However, for many classification tasks (e.g., modulation classification) it has been shown that DL-based wireless systems are…

信息论 · 计算机科学 2021-01-29 B. R. Manoj , Meysam Sadeghi , Erik G. Larsson

In this paper, we propose a learning rule based on a back-propagation (BP) algorithm that can be applied to a hardware-based deep neural network (HW-DNN) using electronic devices that exhibit discrete and limited conductance…

神经与进化计算 · 计算机科学 2018-08-02 Suhwan Lim , Jong-Ho Bae , Jai-Ho Eum , Sungtae Lee , Chul-Heung Kim , Dongseok Kwon , Byung-Gook Park , Jong-Ho Lee

Graph neural networks are recognized for their strong performance across various applications, with the backpropagation algorithm playing a central role in the development of most GNN models. However, despite its effectiveness, BP has…

机器学习 · 计算机科学 2024-11-06 Gongpei Zhao , Tao Wang , Congyan Lang , Yi Jin , Yidong Li , Haibin Ling

Backpropagation is driving today's artificial neural networks (ANNs). However, despite extensive research, it remains unclear if the brain implements this algorithm. Among neuroscientists, reinforcement learning (RL) algorithms are often…

神经元与认知 · 定量生物学 2020-04-24 Benjamin James Lansdell , Prashanth Ravi Prakash , Konrad Paul Kording

Backpropagation, the cornerstone of deep learning, is limited to computing gradients for continuous variables. This limitation poses challenges for problems involving discrete latent variables. To address this issue, we propose a novel…

机器学习 · 计算机科学 2023-10-17 Liyuan Liu , Chengyu Dong , Xiaodong Liu , Bin Yu , Jianfeng Gao

With increasing scale in model and dataset size, the training of deep neural networks becomes a massive computational burden. One approach to speed up the training process is Selective Backprop. For this approach, we perform a forward pass…

机器学习 · 计算机科学 2023-12-11 Lukas Balles , Cedric Archambeau , Giovanni Zappella

Backpropagation algorithm is indispensable for the training of feedforward neural networks. It requires propagating error gradients sequentially from the output layer all the way back to the input layer. The backward locking in…

机器学习 · 计算机科学 2018-07-24 Zhouyuan Huo , Bin Gu , Qian Yang , Heng Huang

We develop a fully discriminative learning approach for supervised Latent Dirichlet Allocation (LDA) model using Back Propagation (i.e., BP-sLDA), which maximizes the posterior probability of the prediction variable given the input…

机器学习 · 计算机科学 2015-11-03 Jianshu Chen , Ji He , Yelong Shen , Lin Xiao , Xiaodong He , Jianfeng Gao , Xinying Song , Li Deng

We propose a novel approach to reduce memory consumption of the backpropagation through time (BPTT) algorithm when training recurrent neural networks (RNNs). Our approach uses dynamic programming to balance a trade-off between caching of…

神经与进化计算 · 计算机科学 2016-06-13 Audrūnas Gruslys , Remi Munos , Ivo Danihelka , Marc Lanctot , Alex Graves

Depth is one of the key factors behind the success of convolutional neural networks (CNNs). Since ResNet, we are able to train very deep CNNs as the gradient vanishing issue has been largely addressed by the introduction of skip…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Yong Guo , Jian Chen , Qing Du , Anton Van Den Hengel , Qinfeng Shi , Mingkui Tan

In this paper, we revisit the recurrent back-propagation (RBP) algorithm, discuss the conditions under which it applies as well as how to satisfy them in deep neural networks. We show that RBP can be unstable and propose two variants based…

机器学习 · 计算机科学 2019-11-07 Renjie Liao , Yuwen Xiong , Ethan Fetaya , Lisa Zhang , KiJung Yoon , Xaq Pitkow , Raquel Urtasun , Richard Zemel