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What is the difference between goal-directed and habitual behavior? We propose a novel computational framework of decision making with Bayesian inference, in which everything is integrated as an entire neural network model. The model learns…

Machine Learning · Computer Science 2021-06-23 Dongqi Han , Kenji Doya , Jun Tani

Directly producing planning results from raw sensors has been a long-desired solution for autonomous driving and has attracted increasing attention recently. Most existing end-to-end autonomous driving methods factorize this problem into…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Wenzhao Zheng , Ruiqi Song , Xianda Guo , Chenming Zhang , Long Chen

Diffusion probabilistic models have achieved enormous success in the field of image generation and manipulation. In this paper, we explore a novel paradigm of using the diffusion model and classifier guidance in the latent semantic space…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Changhao Shi , Haomiao Ni , Kai Li , Shaobo Han , Mingfu Liang , Martin Renqiang Min

Object Goal Navigation-requiring an agent to locate a specific object in an unseen environment-remains a core challenge in embodied AI. Although recent progress in Vision-Language Model (VLM)-based agents has demonstrated promising…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Dujun Nie , Xianda Guo , Yiqun Duan , Ruijun Zhang , Long Chen

Modern generative models are usually designed to match target distributions directly in the data space, where the intrinsic dimension of data can be much lower than the ambient dimension. We argue that this discrepancy may contribute to the…

Machine Learning · Computer Science 2020-07-02 Zijun Zhang , Ruixiang Zhang , Zongpeng Li , Yoshua Bengio , Liam Paull

A visually-grounded navigation instruction can be interpreted as a sequence of expected observations and actions an agent following the correct trajectory would encounter and perform. Based on this intuition, we formulate the problem of…

Computer Vision and Pattern Recognition · Computer Science 2019-11-27 Peter Anderson , Ayush Shrivastava , Devi Parikh , Dhruv Batra , Stefan Lee

Recent advances in Convolutional Neural Network (CNN) model interpretability have led to impressive progress in visualizing and understanding model predictions. In particular, gradient-based visual attention methods have driven much recent…

Computer Vision and Pattern Recognition · Computer Science 2020-04-15 Wenqian Liu , Runze Li , Meng Zheng , Srikrishna Karanam , Ziyan Wu , Bir Bhanu , Richard J. Radke , Octavia Camps

Vision-and-Language Navigation (VLN), where an agent follows instructions to reach a target destination, has recently seen significant advancements. In contrast to navigation in discrete environments with predefined trajectories, VLN in…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Guangzhao Dai , Jian Zhao , Yuantao Chen , Yusen Qin , Hao Zhao , Guosen Xie , Yazhou Yao , Xiangbo Shu , Xuelong Li

When searching for an object humans navigate through a scene using semantic information and spatial relationships. We look for an object using our knowledge of its attributes and relationships with other objects to infer the probable…

Computer Vision and Pattern Recognition · Computer Science 2018-12-18 Jean-Benoit Delbrouck , Stéphane Dupont

Video Variational Autoencoder (VAE) enables latent video generative modeling by mapping the visual world into compact spatiotemporal latent spaces, improving training efficiency and stability. While existing video VAEs achieve commendable…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Yian Zhao , Feng Wang , Qiushan Guo , Chang Liu , Xiangyang Ji , Jian Zhang , Jie Chen

Image-goal navigation is a challenging task that requires an agent to navigate to a goal indicated by an image in unfamiliar environments. Existing methods utilizing diverse scene memories suffer from inefficient exploration since they use…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Hongxin Li , Zeyu Wang , Xu Yang , Yuran Yang , Shuqi Mei , Zhaoxiang Zhang

Online mapping reduces the reliance of autonomous vehicles on high-definition (HD) maps, significantly enhancing scalability. However, recent advancements often overlook cross-sensor configuration generalization, leading to performance…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Hengyuan Zhang , David Paz , Yuliang Guo , Xinyu Huang , Henrik I. Christensen , Liu Ren

Robot learning methods have the potential for widespread generalization across tasks, environments, and objects. However, these methods require large diverse datasets that are expensive to collect in real-world robotics settings. For robot…

Robotics · Computer Science 2023-02-24 Zoey Chen , Sho Kiami , Abhishek Gupta , Vikash Kumar

We study the problem of synthetic generation of samples of environmental features for autonomous vehicle navigation. These features are described by a spatiotemporally varying scalar field that we refer to as a threat field. The threat…

Machine Learning · Computer Science 2025-03-11 Nachiket U. Bapat , Randy C. Paffenroth , Raghvendra V. Cowlagi

A grand goal in AI is to build a robot that can accurately navigate based on natural language instructions, which requires the agent to perceive the scene, understand and ground language, and act in the real-world environment. One key…

Computation and Language · Computer Science 2019-04-09 Hao Tan , Licheng Yu , Mohit Bansal

Building a generalist agent that can interact with the world is the intriguing target of AI systems, thus spurring the research for embodied navigation, where an agent is required to navigate according to instructions or respond to queries.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Duo Zheng , Shijia Huang , Lin Zhao , Yiwu Zhong , Liwei Wang

Understanding human motion behaviour is a critical task for several possible applications like self-driving cars or social robots, and in general for all those settings where an autonomous agent has to navigate inside a human-centric…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Alessio Monti , Alessia Bertugli , Simone Calderara , Rita Cucchiara

The field of meta-learning seeks to improve the ability of today's machine learning systems to adapt efficiently to small amounts of data. Typically this is accomplished by training a system with a parametrized update rule to improve a…

Machine Learning · Computer Science 2021-03-26 Lucas D. Lingle

Existing domain generalization aims to learn a generalizable model to perform well even on unseen domains. For many real-world machine learning applications, the data distribution often shifts gradually along domain indices. For example, a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Qiuhao Zeng , Wei Wang , Fan Zhou , Charles Ling , Boyu Wang

We have observed significant progress in visual navigation for embodied agents. A common assumption in studying visual navigation is that the environments are static; this is a limiting assumption. Intelligent navigation may involve…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Kuo-Hao Zeng , Luca Weihs , Ali Farhadi , Roozbeh Mottaghi