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Class Incremental Learning (CIL) is inspired by the human ability to learn new classes without forgetting previous ones. CIL becomes more challenging in real-world scenarios when the samples in each incremental step are imbalanced. This…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Sathursan Kanagarajah , Thanuja Ambegoda , Ranga Rodrigo

Despite remarkable successes in solving various complex decision-making tasks, training an imitation learning (IL) algorithm with deep neural networks (DNNs) suffers from the high computation burden. In this work, we propose quantum…

量子物理 · 物理学 2023-04-06 Zhihao Cheng , Kaining Zhang , Li Shen , Dacheng Tao

We study the problem of training a risk-sensitive reinforcement learning (RL) agent through imitation learning (IL). Unlike standard IL, our goal is not only to train an agent that matches the expert's expected return (i.e., its average…

机器学习 · 计算机科学 2025-09-16 Filippo Lazzati , Alberto Maria Metelli

Few-shot class-incremental learning (FSCIL) faces challenges of memorizing old class distributions and estimating new class distributions given few training samples. In this study, we propose a learnable distribution calibration (LDC)…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Binghao Liu , Boyu Yang , Lingxi Xie , Ren Wang , Qi Tian , Qixiang Ye

As Internet of Things (IoT) technology advances, end devices like sensors and smartphones are progressively equipped with AI models tailored to their local memory and computational constraints. Local inference reduces communication costs…

机器学习 · 计算机科学 2024-08-22 Caelin Kaplan , Angelo Rodio , Tareq Si Salem , Chuan Xu , Giovanni Neglia

We formulate the Kohn-Sham density functional theory (KS-DFT) as a statistical theory in which the electron density is deter-mined from an average of correlated stochastic densities in a trace formula. The key idea is that it is sufficient…

材料科学 · 物理学 2015-06-15 Roi Baer , Daniel Neuhauser , Eran Rabani

Rehearsal approaches in class incremental learning (CIL) suffer from decision boundary overfitting to new classes, which is mainly caused by two factors: insufficiency of old classes data for knowledge distillation and imbalanced data…

机器学习 · 计算机科学 2024-09-27 Kunchi Li , Jun Wan , Shan Yu

Improving the reasoning capabilities of large language models (LLMs) typically relies either on the model's ability to sample a correct solution to be reinforced or on the existence of a stronger model able to solve the problem. However,…

机器学习 · 计算机科学 2026-02-03 Ethan Mendes , Jungsoo Park , Alan Ritter

We present an efficient preconditioning technique for accelerating the fixed point iteration in real-space Kohn-Sham density functional theory (DFT) calculations. The preconditioner uses a low rank approximation of the dielectric matrix…

材料科学 · 物理学 2023-03-29 Sambit Das , Vikram Gavini

Markov Random Fields (MRFs) are a popular model for several pattern recognition and reconstruction problems in robotics and computer vision. Inference in MRFs is intractable in general and related work resorts to approximation algorithms.…

计算机视觉与模式识别 · 计算机科学 2018-12-18 Siyi Hu , Luca Carlone

Diffusion models (DMs) have made significant progress in the fields of image, audio, and video generation. One downside of DMs is their slow iterative process. Recent algorithms for fast sampling are designed from the perspective of…

机器学习 · 统计学 2023-09-12 Shigui Li , Wei Chen , Delu Zeng

K-means clustering, as a classic unsupervised machine learning algorithm, is the key step to select the interpolation sampling points in interpolative separable density fitting (ISDF) decomposition. Real-valued K-means clustering for…

计算物理 · 物理学 2024-01-09 Shizhe Jiao , Jielan Li , Xinming Qin , Lingyun Wan , Wei Hu , Jinlong Yang

DFT calculations have become widespread in both chemistry and materials, because they usually provide useful accuracy at much lower computational cost than wavefunction-based methods. All practical DFT calculations require an approximation…

化学物理 · 物理学 2022-03-15 Eunji Sim , Suhwan Song , Stefan Vuckovic , Kieron Burke

Federated Learning (FL) is a promising distributed machine learning framework that allows collaborative learning of a global model across decentralized devices without uploading their local data. However, in real-world FL scenarios, the…

分布式、并行与集群计算 · 计算机科学 2025-03-11 Md Sirajul Islam , Sanjeev Panta , Fei Xu , Xu Yuan , Li Chen , Nian-Feng Tzeng

The quantum mechanical ground state of electrons is described by Density Functional Theory, which leads to large minimization problems. An efficient minimization method uses a selfconsistent field (SCF) solution of large eigenvalue…

材料科学 · 物理学 2007-05-23 Claus Bendtsen , Ole H. Nielsen , Lars B. Hansen

A crucial aspect in the simulation of electrochemical interfaces consists in treating the distribution of electronic charge of electrode materials that are put in contact with an electrolyte solution. Recently, it has been shown how a…

材料科学 · 物理学 2024-07-16 Andrea Grisafi , Mathieu Salanne

Federated Class-Incremental Learning (FCIL) enables Class-Incremental Learning (CIL) from distributed data. Existing FCIL methods typically integrate old knowledge preservation into local client training. However, these methods cannot avoid…

机器学习 · 计算机科学 2026-01-27 Zenghao Guan , Guojun Zhu , Yucan Zhou , Wu Liu , Weiping Wang , Jiebo Luo , Xiaoyan Gu

We present a modern scalable reinforcement learning agent called SEED (Scalable, Efficient Deep-RL). By effectively utilizing modern accelerators, we show that it is not only possible to train on millions of frames per second but also to…

机器学习 · 计算机科学 2020-02-12 Lasse Espeholt , Raphaël Marinier , Piotr Stanczyk , Ke Wang , Marcin Michalski

As the size of deep learning models gets larger and larger, training takes longer time and more resources, making fault tolerance more and more critical. Existing state-of-the-art methods like CheckFreq and Elastic Horovod need to back up a…

分布式、并行与集群计算 · 计算机科学 2024-08-26 Yuchen Zhong , Guangming Sheng , Juncheng Liu , Jinhui Yuan , Chuan Wu

The kernel-independent fast multipole method (KIFMM) proposed in [1] is of almost linear complexity. In the original KIFMM the time-consuming M2L translations are accelerated by FFT. However, when more equivalent points are used to achieve…

数值分析 · 计算机科学 2015-03-19 Yanchuang Cao , Lihua Wen , Junjie Rong