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Related papers: Visual Semantic Navigation using Scene Priors

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The 3D scene graph models spatial relationships between objects, enabling the agent to efficiently navigate in a partially observable environment and predict the location of the target object.This paper proposes an original framework named…

Robotics · Computer Science 2025-06-06 Nikita Oskolkov , Huzhenyu Zhang , Dmitry Makarov , Dmitry Yudin , Aleksandr Panov

Vision-and-Language Navigation (VLN) requires an agent to navigate in a real-world environment following natural language instructions. From both the textual and visual perspectives, we find that the relationships among the scene, its…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Yicong Hong , Cristian Rodriguez-Opazo , Yuankai Qi , Qi Wu , Stephen Gould

Robots require a semantic understanding of their surroundings to operate in an efficient and explainable way in human environments. In the literature, there has been an extensive focus on object labeling and exhaustive scene graph…

Robotics · Computer Science 2024-04-16 Roberto Bigazzi , Lorenzo Baraldi , Shreyas Kousik , Rita Cucchiara , Marco Pavone

The recent successful deep neural networks are largely trained in a supervised manner. It {\it associates} complex patterns of input samples with neurons in the last layer, which form representations of {\it concepts}. In spite of their…

Machine Learning · Computer Science 2017-01-13 Shuai Li , Kui Jia , Xiaogang Wang

Scene Text Recognition (STR) models have achieved high performance in recent years on benchmark datasets where text images are presented with minimal noise. Traditional STR recognition pipelines take a cropped image as sole input and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Joshua Cesare Placidi , Yishu Miao , Zixu Wang , Lucia Specia

Fast, collision-free motion through unknown environments remains a challenging problem for robotic systems. In these situations, the robot's ability to reason about its future motion is often severely limited by sensor field of view (FOV).…

Machine Learning · Computer Science 2018-03-07 Kapil Katyal , Katie Popek , Chris Paxton , Joseph Moore , Kevin Wolfe , Philippe Burlina , Gregory D. Hager

Recent advances in image inpainting have shown impressive results for generating plausible visual details on rather simple backgrounds. However, for complex scenes, it is still challenging to restore reasonable contents as the contextual…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Wendong Zhang , Junwei Zhu , Ying Tai , Yunbo Wang , Wenqing Chu , Bingbing Ni , Chengjie Wang , Xiaokang Yang

We propose Graph2Nav, a real-time 3D object-relation graph generation framework, for autonomous navigation in the real world. Our framework fully generates and exploits both 3D objects and a rich set of semantic relationships among objects…

Robotics · Computer Science 2025-04-24 Tixiao Shan , Abhinav Rajvanshi , Niluthpol Mithun , Han-Pang Chiu

Training a reinforcement learning agent to carry out natural language instructions is limited by the available supervision, i.e. knowing when the instruction has been carried out. We adapt the CLEVR visual question answering dataset to…

Machine Learning · Computer Science 2021-06-04 Michiel de Jong , Satyapriya Krishna , Anuva Agarwal

We investigate the task of object goal navigation in unknown environments where the target is specified by a semantic label (e.g. find a couch). Such a navigation task is especially challenging as it requires understanding of semantic…

Robotics · Computer Science 2022-10-18 Yash Goel , Narunas Vaskevicius , Luigi Palmieri , Nived Chebrolu , Cyrill Stachniss

The goal of this work is to bring semantics into the tasks of text recognition and retrieval in natural images. Although text recognition and retrieval have received a lot of attention in recent years, previous works have focused on…

Computer Vision and Pattern Recognition · Computer Science 2015-09-22 Albert Gordo , Jon Almazan , Naila Murray , Florent Perronnin

Intelligent navigation among social crowds is an essential aspect of mobile robotics for applications such as delivery, health care, or assistance. Deep Reinforcement Learning emerged as an alternative planning method to conservative…

Robotics · Computer Science 2021-09-24 Linh Kästner , Junhui Li , Zhengcheng Shen , Jens Lambrecht

Behavioral and semantic relationships play a vital role on intelligent self-driving vehicles and ADAS systems. Different from other research focused on trajectory, position, and bounding boxes, relationship data provides a human…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Yafu Tian , Alexander Carballo , Ruifeng Li , Kazuya Takeda

The goal of object navigation is to reach the expected objects according to visual information in the unseen environments. Previous works usually implement deep models to train an agent to predict actions in real-time. However, in the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-10 Sixian Zhang , Xinhang Song , Yubing Bai , Weijie Li , Yakui Chu , Shuqiang Jiang

In this paper, we propose the use of a semantic image, an improved representation for video analysis, principally in combination with Inception networks. The semantic image is obtained by applying localized sparse segmentation using global…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Sunder Ali Khowaja , Seok-Lyong Lee

This analysis explores the temporal sequencing of objects in a movie trailer. Temporal sequencing of objects in a movie trailer (e.g., a long shot of an object vs intermittent short shots) can convey information about the type of movie,…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Cheng-Kang Hsieh , Miguel Campo , Abhinav Taliyan , Matt Nickens , Mitkumar Pandya , JJ Espinoza

Understanding how humans leverage prior knowledge to navigate unseen environments while making exploratory decisions is essential for developing autonomous robots with similar abilities. In this work, we propose ForesightNav, a novel…

Robotics · Computer Science 2025-06-06 Hardik Shah , Jiaxu Xing , Nico Messikommer , Boyang Sun , Marc Pollefeys , Davide Scaramuzza

Predicting human performance in interaction tasks allows designers or developers to understand the expected performance of a target interface without actually testing it with real users. In this work, we present a deep neural net to model…

Human-Computer Interaction · Computer Science 2018-03-15 Yang Li , Samy Bengio , Gilles Bailly

Semantic context is an important and useful cue for scene parsing in complicated natural images with a substantial amount of variations in objects and the environment. This paper proposes Spatially Constrained Location Prior (SCLP) for…

Computer Vision and Pattern Recognition · Computer Science 2018-02-27 Ligang Zhang , Brijesh Verma , David Stockwell , Sujan Chowdhury

We propose an architecture and training scheme to predict video frames by explicitly modeling dis-occlusions and capturing the evolution of semantically consistent regions in the video. The scene layout (semantic map) and motion (optical…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Xinzhu Bei , Yanchao Yang , Stefano Soatto