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Object navigation in multi-floor environments presents a formidable challenge in robotics, requiring sophisticated spatial reasoning and adaptive exploration strategies. Traditional approaches have primarily focused on single-floor…

Robotics · Computer Science 2024-09-18 Lingfeng Zhang , Hao Wang , Erjia Xiao , Xinyao Zhang , Qiang Zhang , Zixuan Jiang , Renjing Xu

Cognitive maps play a crucial role in facilitating flexible behaviour by representing spatial and conceptual relationships within an environment. The ability to learn and infer the underlying structure of the environment is crucial for…

Artificial Intelligence · Computer Science 2023-09-20 Daria de Tinguy , Toon Van de Maele , Tim Verbelen , Bart Dhoedt

Modeling instance-level context and object-object relationships is extremely challenging. It requires reasoning about bounding boxes of different classes, locations \etc. Above all, instance-level spatial reasoning inherently requires…

Computer Vision and Pattern Recognition · Computer Science 2017-04-14 Xinlei Chen , Abhinav Gupta

Navigating to out-of-sight targets from human instructions in unfamiliar environments is a core capability for service robots. Despite substantial progress, most approaches underutilize reusable, persistent memory, constraining performance…

Robotics · Computer Science 2026-03-03 Haochen Niu , Lantao Zhang , Xingwu Ji , Rendong Ying , Peilin Liu , Fei Wen

Zero-shot object-goal navigation aims to find target objects in unseen environments using only egocentric observation. Recent methods leverage foundation models' comprehension and reasoning capabilities to enhance navigation performance.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Leyuan Fang , Zan Mao , Zijing Wang , Yinlong Yan

For an object classification system, the most critical obstacles towards real-world applications are often caused by large intra-class variability, arising from different lightings, occlusion and corruption, in limited sample sets. Most…

Computer Vision and Pattern Recognition · Computer Science 2016-12-07 Homa Foroughi , Nilanjan Ray , Hong Zhang

Learning to rank is a key component of many e-commerce search engines. In learning to rank, one is interested in optimising the global ordering of a list of items according to their utility for users.Popular approaches learn a scoring…

Information Retrieval · Computer Science 2021-05-25 Przemysław Pobrotyn , Tomasz Bartczak , Mikołaj Synowiec , Radosław Białobrzeski , Jarosław Bojar

With the recent advances in the object detection research field, tracking-by-detection has become the leading paradigm adopted by multi-object tracking algorithms. By extracting different features from detected objects, those algorithms can…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Michel Meneses , Leonardo Matos , Bruno Prado , André de Carvalho , Hendrik Macedo

Most object recognition approaches predominantly focus on learning discriminative visual patterns while overlooking the holistic object structure. Though important, structure modeling usually requires significant manual annotations and…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Mohan Zhou , Yalong Bai , Wei Zhang , Tiejun Zhao , Tao Mei

Enabling robots to efficiently search for and identify objects in complex, unstructured environments is critical for diverse applications ranging from household assistance to industrial automation. However, traditional scene representations…

Robotics · Computer Science 2025-08-29 Liding Zhang , Zeqi Li , Kuanqi Cai , Qian Huang , Zhenshan Bing , Alois Knoll

A robot operating in a household makes observations of multiple objects as it moves around over the course of days or weeks. The objects may be moved by inhabitants, but not completely at random. The robot may be called upon later to…

Machine Learning · Computer Science 2022-08-02 Yilun Du , Tomas Lozano-Perez , Leslie Kaelbling

Deep learning has recently started being applied to visual tracking of generic objects in video streams. For the purposes of robotics applications, it is very important for a target tracker to recover its track if it is lost due to heavy or…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Pranoy Panda , Martin Barczyk

Recent open-vocabulary robot mapping methods enrich dense geometric maps with pre-trained visual-language features, achieving a high level of detail and guiding robots to find objects specified by open-vocabulary language queries. While the…

Robotics · Computer Science 2026-03-04 Fujing Xie , Sören Schwertfeger , Hermann Blum

In this paper, we consider the problem of building learning agents that can efficiently learn to navigate in constrained environments. The main goal is to design agents that can efficiently learn to understand and generalize to different…

Machine Learning · Computer Science 2020-03-04 Kei Ota , Yoko Sasaki , Devesh K. Jha , Yusuke Yoshiyasu , Asako Kanezaki

Preference-aligned robot navigation in human environments is typically achieved through learning-based approaches, utilizing user feedback or demonstrations for personalization. However, personal preferences are subject to change and might…

Robotics · Computer Science 2025-10-21 Jorge de Heuvel , Tharun Sethuraman , Maren Bennewitz

Efficient learning from demonstration for long-horizon tasks remains an open challenge in robotics. While significant effort has been directed toward learning trajectories, a recent resurgence of object-centric approaches has demonstrated…

Robotics · Computer Science 2025-12-01 Adrian Röfer , Russell Buchanan , Max Argus , Sethu Vijayakumar , Abhinav Valada

Vision-Language Models (VLMs) have been increasingly integrated into object navigation tasks for their rich prior knowledge and strong reasoning abilities. However, applying VLMs to navigation poses two key challenges: effectively…

Robotics · Computer Science 2025-09-17 Haokun Zhu , Zongtai Li , Zhixuan Liu , Wenshan Wang , Ji Zhang , Jonathan Francis , Jean Oh

Robots operating in human-shared environments must not only achieve task-level navigation objectives such as safety and efficiency, but also adapt their behavior to human preferences. However, as human preferences are typically expressed in…

Robotics · Computer Science 2026-05-13 Tharun Sethuraman , Subham Agrawal , Nils Dengler , Jorge de Heuvel , Teena Hassan , Maren Bennewitz

With the rapid advancement of image captioning and visual question answering at single-round level, the question of how to generate multi-round dialogue about visual content has not yet been well explored.Existing visual dialogue methods…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Ziwei Wang , Zi Huang , Yadan Luo , Huimin Lu

The study of object representations in computer vision has primarily focused on developing representations that are useful for image classification, object detection, or semantic segmentation as downstream tasks. In this work we aim to…

Computer Vision and Pattern Recognition · Computer Science 2019-11-21 Tejas Kulkarni , Ankush Gupta , Catalin Ionescu , Sebastian Borgeaud , Malcolm Reynolds , Andrew Zisserman , Volodymyr Mnih