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With the rapid advancements in artificial intelligence, the development of knowledgeable and personalized agents has become increasingly prevalent. However, the inherent variability in state variables and action spaces among personalized…

Machine Learning · Computer Science 2024-05-24 Zhiyuan Wang , Bokui Chen , Xiaoyang Qu , Zhenhou Hong , Jing Xiao , Jianzong Wang

We introduce the first multitasking vision transformer adapters that learn generalizable task affinities which can be applied to novel tasks and domains. Integrated into an off-the-shelf vision transformer backbone, our adapters can…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Deblina Bhattacharjee , Sabine Süsstrunk , Mathieu Salzmann

Graph Neural Networks (GNNs) have been shown as promising solutions for collaborative filtering (CF) with the modeling of user-item interaction graphs. The key idea of existing GNN-based recommender systems is to recursively perform the…

Information Retrieval · Computer Science 2022-08-01 Lianghao Xia , Chao Huang , Chuxu Zhang

In this work, we introduce the Prototypical Transformer (ProtoFormer), a general and unified framework that approaches various motion tasks from a prototype perspective. ProtoFormer seamlessly integrates prototype learning with Transformer…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Cheng Han , Yawen Lu , Guohao Sun , James C. Liang , Zhiwen Cao , Qifan Wang , Qiang Guan , Sohail A. Dianat , Raghuveer M. Rao , Tong Geng , Zhiqiang Tao , Dongfang Liu

Unsupervised domain adaptation (UDA) aims to leverage the knowledge learned from labeled source domains to improve performance on the unlabeled target domains. While Convolutional Neural Networks (CNNs) have been dominant in previous UDA…

Computer Vision and Pattern Recognition · Computer Science 2024-11-13 Xiaowei Yu , Zhe Huang , Zao Zhang

It is a well-known fact that the performance of deep learning models deteriorates when they encounter a distribution shift at test time. Test-time adaptation (TTA) algorithms have been proposed to adapt the model online while inferring test…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Jayeon Yoo , Dongkwan Lee , Inseop Chung , Donghyun Kim , Nojun Kwak

Transformers have become the dominant architecture for sequence modeling tasks such as natural language processing or audio processing, and they are now even considered for tasks that are not naturally sequential such as image…

Machine Learning · Computer Science 2024-03-05 Jorg Bornschein , Yazhe Li , Amal Rannen-Triki

Diffusion models enable high-quality virtual try-on (VTO) with their established image synthesis abilities. Despite the extensive end-to-end training of large pre-trained models involved in current VTO methods, real-world applications often…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Xingzi Xu , Qi Li , Shuwen Qiu , Julien Han , Karim Bouyarmane

Predicting pedestrian motion trajectories is crucial for path planning and motion control of autonomous vehicles. Accurately forecasting crowd trajectories is challenging due to the uncertain nature of human motions in different…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Yu Liu , Yuexin Zhang , Kunming Li , Yongliang Qiao , Stewart Worrall , You-Fu Li , He Kong

The workflow of pretraining and fine-tuning has emerged as a popular paradigm for solving various NLP and V&L (Vision-and-Language) downstream tasks. With the capacity of pretrained models growing rapidly, how to perform parameter-efficient…

Computation and Language · Computer Science 2022-03-09 Zhengkun Zhang , Wenya Guo , Xiaojun Meng , Yasheng Wang , Yadao Wang , Xin Jiang , Qun Liu , Zhenglu Yang

We propose HHFT (Hierarchical Heterogeneous Feature Transformer), a Transformer-based architecture tailored for industrial CTR prediction. HHFT addresses the limitations of DNN through three key designs: (1) Semantic Feature Partitioning:…

Information Retrieval · Computer Science 2025-12-16 Liren Yu , Wenming Zhang , Silu Zhou , Tao Zhang , Zhixuan Zhang , Dan Ou

There are many real-world knowledge based networked systems with multi-type interacting entities that can be regarded as heterogeneous networks including human connections and biological evolutions. One of the main issues in such networks…

Social and Information Networks · Computer Science 2019-11-05 Soheila Molaei , Hadi Zare , Hadi Veisi

The high sample complexity of reinforcement learning challenges its use in practice. A promising approach is to quickly adapt pre-trained policies to new environments. Existing methods for this policy adaptation problem typically rely on…

Machine Learning · Computer Science 2020-06-16 Yuda Song , Aditi Mavalankar , Wen Sun , Sicun Gao

The pervasive uncertainty and dynamic nature of real-world environments present significant challenges for the widespread implementation of machine-driven Intelligent Decision-Making (IDM) systems. Consequently, IDM should possess the…

Artificial Intelligence · Computer Science 2023-05-17 Ying Wen , Ziyu Wan , Ming Zhou , Shufang Hou , Zhe Cao , Chenyang Le , Jingxiao Chen , Zheng Tian , Weinan Zhang , Jun Wang

Deep network architectures struggle to continually learn new tasks without forgetting the previous tasks. A recent trend indicates that dynamic architectures based on an expansion of the parameters can reduce catastrophic forgetting…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Arthur Douillard , Alexandre Ramé , Guillaume Couairon , Matthieu Cord

Deep reinforcement learning agents have recently been successful across a variety of discrete and continuous control tasks; however, they can be slow to train and require a large number of interactions with the environment to learn a…

Machine Learning · Computer Science 2018-12-19 Thomas Carr , Maria Chli , George Vogiatzis

Temporal action proposal generation is an important and challenging task in video understanding, which aims at detecting all temporal segments containing action instances of interest. The existing proposal generation approaches are…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Jing Tan , Jiaqi Tang , Limin Wang , Gangshan Wu

Decision Transformer (DT), which integrates reinforcement learning (RL) with the transformer model, introduces a novel approach to offline RL. Unlike classical algorithms that take maximizing cumulative discounted rewards as objective, DT…

Machine Learning · Computer Science 2025-10-08 Rui Lin , Yiwen Zhang , Zhicheng Peng , Minghao Lyu

Human digital twin (HDT) is an emerging paradigm that bridges physical twins (PTs) with powerful virtual twins (VTs) for assisting complex task executions in human-centric services. In this paper, we study a two-timescale online…

Networking and Internet Architecture · Computer Science 2024-01-31 Yuye Yang , You Shi , Changyan Yi , Jun Cai , Jiawen Kang , Dusit Niyato , Xuemin , Shen

While behavior learning has made impressive progress in recent times, it lags behind computer vision and natural language processing due to its inability to leverage large, human-generated datasets. Human behaviors have wide variance,…

Machine Learning · Computer Science 2022-10-13 Nur Muhammad Mahi Shafiullah , Zichen Jeff Cui , Ariuntuya Altanzaya , Lerrel Pinto