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Visual Navigation is a core task in Embodied AI, enabling agents to navigate complex environments toward given objectives. Across diverse settings within Navigation tasks, many necessitate the modelling of sequential data accumulated from…

Artificial Intelligence · Computer Science 2025-06-19 Ruoyu Wang , Xinshu Li , Chen Wang , Lina Yao

Imitation learning enables high-fidelity, vision-based learning of policies within rich, photorealistic environments. However, such techniques often rely on traditional discrete-time neural models and face difficulties in generalizing to…

Machine Learning · Computer Science 2021-08-18 Charles Vorbach , Ramin Hasani , Alexander Amini , Mathias Lechner , Daniela Rus

In the pursuit of robust and generalizable environment perception and language understanding, the ubiquitous challenge of dataset bias continues to plague vision-and-language navigation (VLN) agents, hindering their performance in unseen…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Liuyi Wang , Zongtao He , Ronghao Dang , Mengjiao Shen , Chengju Liu , Qijun Chen

We present a novel attention mechanism: Causal Attention (CATT), to remove the ever-elusive confounding effect in existing attention-based vision-language models. This effect causes harmful bias that misleads the attention module to focus…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Xu Yang , Hanwang Zhang , Guojun Qi , Jianfei Cai

As mobile robots are increasingly deployed in human environments, enabling them to predict how people perceive them is critical for socially adaptable navigation. Predicting perceptions is challenging for two main reasons: (1) HRI…

Robotics · Computer Science 2026-03-13 Maximilian Diehl , Nathan Tsoi , Gustavo Chavez , Karinne Ramirez-Amaro , Marynel Vázquez

Nowadays, as AI-driven manufacturing becomes increasingly popular, the volume of data streams requiring real-time monitoring continues to grow. However, due to limited resources, it is impractical to place sensors at every location to…

Artificial Intelligence · Computer Science 2025-07-15 Xiaofeng Xiao , Bo Shen , Xubo Yue

Generalizing local navigation policies across diverse robot morphologies is a critical challenge. Progress is often hindered by the need for costly and embodiment-specific data, the tight coupling of planning and control, and the…

Robotics · Computer Science 2025-10-24 Kai Yang , Tianlin Zhang , Zhengbo Wang , Zedong Chu , Xiaolong Wu , Yang Cai , Mu Xu

Adapting to latent confounded shift remains a core challenge in modern AI. This setting is driven by hidden variables that induce spurious correlations between inputs and outputs during training, leading models to rely on non-causal…

Machine Learning · Computer Science 2026-05-14 Jialin Yu , Yuxiang Zhou , Haoxuan Li , Junchi Yu , Mengyue Yang , Yulan He , Nevin L. Zhang , Philip Torr , Ricardo Silva

Embodied navigation requires agents to integrate perception, reasoning, and action for robust interaction in complex 3D environments. Existing approaches often suffer from incoherent and unstable reasoning traces that hinder generalization…

Robotics · Computer Science 2025-09-16 Qingxiang Liu , Ting Huang , Zeyu Zhang , Hao Tang

One of the key factors in language productivity and human cognition is the ability of systematic compositionality, which refers to understanding composed unseen examples of seen primitives. However, recent evidence reveals that the…

Computation and Language · Computer Science 2023-12-13 Chen Huang , Peixin Qin , Wenqiang Lei , Jiancheng Lv

Vision-and-Language Navigation (VLN) has gained significant research interest in recent years due to its potential applications in real-world scenarios. However, existing VLN methods struggle with the issue of spurious associations,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-07 Liuyi Wang , Zongtao He , Ronghao Dang , Huiyi Chen , Chengju Liu , Qijun Chen

Navigation is a fundamental capability in embodied AI, representing the intelligence required to perceive and interact within physical environments following language instructions. Despite significant progress in large Vision-Language…

In this study, we design a low-complexity and generalized AI model that can capture common knowledge to improve data reconstruction of the channel decoder for semantic communication. Specifically, we propose a generative adversarial network…

Machine Learning · Computer Science 2025-07-25 Minh-Duong Nguyen , Quoc-Viet Pham , Nguyen H. Tran , Hoang-Khoi Do , Duy T. Ngo , Won-Joo Hwang

In many areas, we have well-founded insights about causal structure that would be useful to bring into our trained models while still allowing them to learn in a data-driven fashion. To achieve this, we present the new method of interchange…

Machine Learning · Computer Science 2022-07-22 Atticus Geiger , Zhengxuan Wu , Hanson Lu , Josh Rozner , Elisa Kreiss , Thomas Icard , Noah D. Goodman , Christopher Potts

Streaming speech recognition architectures are employed for low-latency, real-time applications. Such architectures are often characterized by their causality. Causal architectures emit tokens at each frame, relying only on current and past…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-11 Grant P. Strimel , Yi Xie , Brian King , Martin Radfar , Ariya Rastrow , Athanasios Mouchtaris

End-to-end autonomous driving, which bypasses traditional modular pipelines by directly predicting future trajectories from sensor inputs, has recently achieved substantial progress. However, existing methods often overlook the causal…

Robotics · Computer Science 2026-05-20 Seokha Moon , Minseung Lee , Joon Seo , Jinkyu Kim , Jungbeom Lee

Trajectory prediction for multi-agents in complex scenarios is crucial for applications like autonomous driving. However, existing methods often overlook environmental biases, which leads to poor generalization. Additionally, hardware…

Machine Learning · Computer Science 2024-11-20 Xiaohe Li , Feilong Huang , Zide Fan , Fangli Mou , Leilei Lin , Yingyan Hou , Lijie Wen

Causal opacity denotes the difficulty in understanding the "hidden" causal structure underlying the decisions of deep neural network (DNN) models. This leads to the inability to rely on and verify state-of-the-art DNN-based systems,…

General-purpose pre-trained models ("foundation models") have enabled practitioners to produce generalizable solutions for individual machine learning problems with datasets that are significantly smaller than those required for learning…

Robotics · Computer Science 2023-10-25 Dhruv Shah , Ajay Sridhar , Nitish Dashora , Kyle Stachowicz , Kevin Black , Noriaki Hirose , Sergey Levine

Recently, learning-based approaches show promising results in navigation tasks. However, the poor generalization capability and the simulation-reality gap prevent a wide range of applications. We consider the problem of improving the…

Robotics · Computer Science 2023-09-26 Wenzhe Cai , Guangran Cheng , Lingyue Kong , Lu Dong , Changyin Sun
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