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Deep reinforcement learning (DRL) methods have demonstrated potential for autonomous navigation and obstacle avoidance of unmanned ground vehicles (UGVs) in crowded environments. Most existing approaches rely on single-frame observation and…

Robotics · Computer Science 2026-01-01 Ruitong Li , Lin Zhang , Yuenan Zhao , Chengxin Liu , Ran Song , Wei Zhang

Camouflaged object detection (COD) aims to identify the objects that seamlessly blend into the surrounding backgrounds. Due to the intrinsic similarity between the camouflaged objects and the background region, it is extremely challenging…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Siyuan Yao , Hao Sun , Tian-Zhu Xiang , Xiao Wang , Xiaochun Cao

Deep Learning has revolutionized our ability to solve complex problems such as Vision-and-Language Navigation (VLN). This task requires the agent to navigate to a goal purely based on visual sensory inputs given natural language…

Robotics · Computer Science 2021-04-22 Muhammad Zubair Irshad , Chih-Yao Ma , Zsolt Kira

Deep Neural Networks (DNNs) can achieve state-of-the-art accuracy in many computer vision tasks, such as object counting. Object counting takes two inputs: an image and an object query and reports the number of occurrences of the queried…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Abhinav Goel , Caleb Tung , Sara Aghajanzadeh , Isha Ghodgaonkar , Shreya Ghosh , George K. Thiruvathukal , Yung-Hsiang Lu

Understanding a visual scene goes beyond recognizing individual objects in isolation. Relationships between objects also constitute rich semantic information about the scene. In this work, we explicitly model the objects and their…

Computer Vision and Pattern Recognition · Computer Science 2017-04-13 Danfei Xu , Yuke Zhu , Christopher B. Choy , Li Fei-Fei

Hierarchical reinforcement learning (HRL) improves the efficiency of long-horizon reinforcement-learning tasks with sparse rewards by decomposing the task into a hierarchy of subgoals. The main challenge of HRL is efficient discovery of the…

Machine Learning · Computer Science 2025-07-08 Sadegh Khorasani , Saber Salehkaleybar , Negar Kiyavash , Matthias Grossglauser

Image-text retrieval (ITR) is a challenging task in the field of multimodal information processing due to the semantic gap between different modalities. In recent years, researchers have made great progress in exploring the accurate…

Computer Vision and Pattern Recognition · Computer Science 2022-12-19 Jie Guo , Meiting Wang , Yan Zhou , Bin Song , Yuhao Chi , Wei Fan , Jianglong Chang

Manipulation relationship detection (MRD) aims to guide the robot to grasp objects in the right order, which is important to ensure the safety and reliability of grasping in object stacked scenes. Previous works infer manipulation…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Han Wang , Jiayuan Zhang , Lipeng Wan , Xingyu Chen , Xuguang Lan , Nanning Zheng

Robot navigation in large, complex, and unknown indoor environments is a challenging problem. The existing approaches, such as traditional sampling-based methods, struggle with resolution control and scalability, while imitation…

Robotics · Computer Science 2025-10-03 Wei Han Chen , Yuchen Liu , Alexiy Buynitsky , Ahmed H. Qureshi

Natural language instructions for visual navigation often use scene descriptions (e.g., "bedroom") and object references (e.g., "green chairs") to provide a breadcrumb trail to a goal location. This work presents a transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Abhinav Moudgil , Arjun Majumdar , Harsh Agrawal , Stefan Lee , Dhruv Batra

Session-based recommendations which predict the next action by understanding a user's interaction behavior with items within a relatively short ongoing session have recently gained increasing popularity. Previous research has focused on…

Information Retrieval · Computer Science 2023-10-23 Eunkyu Oh , Taehun Kim

Many of the tasks that a service robot can perform at home involve navigation skills. In a real world scenario, the navigation system should consider individuals beyond just objects, theses days it is necessary to offer particular and…

This paper addresses a fundamental problem of scene understanding: How to parse the scene image into a structured configuration (i.e., a semantic object hierarchy with object interaction relations) that finely accords with human perception.…

Computer Vision and Pattern Recognition · Computer Science 2018-03-01 Liang Lin , Guangrun Wang , Rui Zhang , Ruimao Zhang , Xiaodan Liang , Wangmeng Zuo

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

The presence of occlusions has provided substantial challenges to typically-powerful object recognition algorithms. Additional sources of information can be extremely valuable to reduce errors caused by occlusions. Scene context is known to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Courtney M. King , Daniel D. Leeds , Damian Lyons , George Kalaitzis

Many computer vision tasks address the problem of scene understanding and are naturally interrelated e.g. object classification, detection, scene segmentation, depth estimation, etc. We show that we can leverage the inherent relationships…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Yao Lu , Sören Pirk , Jan Dlabal , Anthony Brohan , Ankita Pasad , Zhao Chen , Vincent Casser , Anelia Angelova , Ariel Gordon

In this work, we seek new insights into the underlying challenges of the Scene Graph Generation (SGG) task. Quantitative and qualitative analysis of the Visual Genome dataset implies -- 1) Ambiguity: even if inter-object relationship…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Sangmin Woo , Junhyug Noh , Kangil Kim

We present a relational graph learning approach for robotic crowd navigation using model-based deep reinforcement learning that plans actions by looking into the future. Our approach reasons about the relations between all agents based on…

Robotics · Computer Science 2020-08-05 Changan Chen , Sha Hu , Payam Nikdel , Greg Mori , Manolis Savva

Robots coexisting with humans in their environment and performing services for them need the ability to interact with them. One particular requirement for such robots is that they are able to understand spatial relations and can place…

Robotics · Computer Science 2020-02-24 Oier Mees , Alp Emek , Johan Vertens , Wolfram Burgard

Representing a scene and its constituent objects from raw sensory data is a core ability for enabling robots to interact with their environment. In this paper, we propose a novel approach for scene understanding, leveraging a hierarchical…

Robotics · Computer Science 2023-02-08 Toon Van de Maele , Tim Verbelen , Pietro Mazzaglia , Stefano Ferraro , Bart Dhoedt