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The proliferation of edge devices has brought Federated Learning (FL) to the forefront as a promising paradigm for decentralized and collaborative model training while preserving the privacy of clients' data. However, FL struggles with a…

机器学习 · 计算机科学 2024-05-14 Mahdi Morafah , Matthias Reisser , Bill Lin , Christos Louizos

Existing video tokenizers typically use the traditional Variational Autoencoder (VAE) architecture for video compression and reconstruction. However, to achieve good performance, its training process often relies on complex multi-stage…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Nianzu Yang , Pandeng Li , Liming Zhao , Yang Li , Chen-Wei Xie , Yehui Tang , Xudong Lu , Zhihang Liu , Yun Zheng , Yu Liu , Junchi Yan

Federated Domain Generalization (FedDG) aims to train the global model for generalization ability to unseen domains with multi-domain training samples. However, clients in federated learning networks are often confined to a single, non-IID…

人工智能 · 计算机科学 2024-09-24 Yuan Liu , Shu Wang , Zhe Qu , Xingyu Li , Shichao Kan , Jianxin Wang

Discrete diffusion models have emerged as a powerful class of models and a promising route to fast language generation, but practical implementations typically rely on factored reverse transitions ignoring cross-token dependencies and…

机器学习 · 计算机科学 2026-05-14 Dario Shariatian , Alain Durmus , Umut Simsekli , Stefano Peluchetti

We present a novel method, Contextual goal-Oriented Data Augmentation (CODA), which uses commonly available unlabeled trajectories and context-goal pairs to solve Contextual Goal-Oriented (CGO) problems. By carefully constructing an…

机器学习 · 计算机科学 2025-05-01 Ying Fan , Jingling Li , Adith Swaminathan , Aditya Modi , Ching-An Cheng

Data-free knowledge distillation (DFKD) has emerged as a pivotal technique in the domain of model compression, substantially reducing the dependency on the original training data. Nonetheless, conventional DFKD methods that employ…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Muquan Li , Dongyang Zhang , Tao He , Xiurui Xie , Yuan-Fang Li , Ke Qin

Graph neural networks, a powerful deep learning tool to model graph-structured data, have demonstrated remarkable performance on numerous graph learning tasks. To address the data noise and data scarcity issues in deep graph learning, the…

机器学习 · 计算机科学 2022-11-22 Kaize Ding , Zhe Xu , Hanghang Tong , Huan Liu

Dynamic graphs (DGs), which capture time-evolving relationships between graph entities, have widespread real-world applications. To efficiently encode DGs for downstream tasks, most dynamic graph neural networks follow the traditional…

机器学习 · 计算机科学 2025-01-31 Xiang Wu , Xunkai Li , Rong-Hua Li , Kangfei Zhao , Guoren Wang

Traditional optimization-based planners, while effective, suffer from high computational costs, resulting in slow trajectory generation. A successful strategy to reduce computation time involves using Imitation Learning (IL) to develop fast…

Data-driven deep learning models have enabled tremendous progress in change detection (CD) with the support of pixel-level annotations. However, collecting diverse data and manually annotating them is costly, laborious, and…

计算机视觉与模式识别 · 计算机科学 2024-12-23 Qi Zang , Jiayi Yang , Shuang Wang , Dong Zhao , Wenjun Yi , Zhun Zhong

Deep perception models have to reliably cope with an open-world setting of domain shifts induced by different geographic regions, sensor properties, mounting positions, and several other reasons. Since covering all domains with annotated…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Awet Haileslassie Gebrehiwot , David Hurych , Karel Zimmermann , Patrick Pérez , Tomáš Svoboda

Data augmentation (DA) techniques aim to increase data variability, and thus train deep networks with better generalisation. The pioneering AutoAugment automated the search for optimal DA policies with reinforcement learning. However,…

计算机视觉与模式识别 · 计算机科学 2020-07-31 Yonggang Li , Guosheng Hu , Yongtao Wang , Timothy Hospedales , Neil M. Robertson , Yongxin Yang

Objective: Cone-beam computed tomography (CBCT) provides a low-dose imaging alternative to conventional CT, but suffers from noise, scatter, and artifacts that degrade image quality. Synthetic CT (sCT) aims to translate CBCT to high-quality…

医学物理 · 物理学 2025-09-23 Alzahra Altalib , Chunhui Li , Alessandro Perelli

For 3D object detection, labeling lidar point cloud is difficult, so data augmentation is an important module to make full use of precious annotated data. As a widely used data augmentation method, GT-sample effectively improves detection…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Xuzhong Hu , Zaipeng Duan , Jie Ma

Data Augmentation is a common technique used to enhance the performance of deep learning models by expanding the training dataset. Automatic Data Augmentation (ADA) methods are getting popular because of their capacity to generate policies…

机器学习 · 计算机科学 2024-04-02 Tien-Yu Chang , Hao Dai , Vincent S. Tseng

With the rapid development of deep learning, existing generative text steganography methods based on autoregressive models have achieved success. However, these autoregressive steganography approaches have certain limitations. Firstly,…

密码学与安全 · 计算机科学 2025-04-29 Zhengxian Wu , Juan Wen , Yiming Xue , Ziwei Zhang , Yinghan Zhou

Tracking of dynamic people in cluttered and crowded human-centered environments is a challenging robotics problem due to the presence of intraclass variations including occlusions, pose deformations, and lighting variations. This paper…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Angus Fung , Beno Benhabib , Goldie Nejat

Diffusion models have established themselves as state-of-the-art generative models across various data modalities, including images and videos, due to their ability to accurately approximate complex data distributions. Unlike traditional…

机器学习 · 计算机科学 2025-10-23 Daniel Wesego

Most real-world networks are noisy and incomplete samples from an unknown target distribution. Refining them by correcting corruptions or inferring unobserved regions typically improves downstream performance. Inspired by the impressive…

Graph embedding, aiming to learn low-dimensional representations (aka. embeddings) of nodes, has received significant attention recently. Recent years have witnessed a surge of efforts made on static graphs, among which Graph Convolutional…

机器学习 · 计算机科学 2021-04-08 Zeyu Cui , Zekun Li , Shu Wu , Xiaoyu Zhang , Qiang Liu , Liang Wang , Mengmeng Ai