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Semantic scene completion is the task of producing a complete 3D voxel representation of volumetric occupancy with semantic labels for a scene from a single-view observation. We built upon the recent work of Song et al. (CVPR 2017), who…

Computer Vision and Pattern Recognition · Computer Science 2018-02-14 Andre Bernardes Soares Guedes , Teofilo Emidio de Campos , Adrian Hilton

Spatial memory, or the ability to remember and recall specific locations and objects, is central to autonomous agents' ability to carry out tasks in real environments. However, most existing artificial memory modules are not very adept at…

Robotics · Computer Science 2021-02-18 Daniel Lenton , Stephen James , Ronald Clark , Andrew J. Davison

Egocentric augmented reality devices such as wearable glasses passively capture visual data as a human wearer tours a home environment. We envision a scenario wherein the human communicates with an AI agent powering such a device by asking…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Samyak Datta , Sameer Dharur , Vincent Cartillier , Ruta Desai , Mukul Khanna , Dhruv Batra , Devi Parikh

Semantic mapping is the incremental process of "mapping" relevant information of the world (i.e., spatial information, temporal events, agents and actions) to a formal description supported by a reasoning engine. Current research focuses on…

Robotics · Computer Science 2016-06-14 Roberto Capobianco , Jacopo Serafin , Johann Dichtl , Giorgio Grisetti , Luca Iocchi , Daniele Nardi

This paper presents an architecture and methodology to empower a service robot to navigate an indoor environment with semantic decision making, given RGB ego view. This method leverages the knowledge of robot's actuation capability and that…

Robotics · Computer Science 2022-10-24 Snehasis Banerjee , Brojeshwar Bhowmick , Ruddra Dev Roychoudhury

Semantic 2D maps are commonly used by humans and machines for navigation purposes, whether it's walking or driving. However, these maps have limitations: they lack detail, often contain inaccuracies, and are difficult to create and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Paul-Edouard Sarlin , Eduard Trulls , Marc Pollefeys , Jan Hosang , Simon Lynen

Spatial awareness is a critical capability for embodied agents, as it enables them to anticipate and reason about unobserved regions. The primary challenge arises from learning the distribution of indoor semantics, complicated by sparse,…

Robotics · Computer Science 2025-06-10 Yijie Deng , Shuaihang Yuan , Congcong Wen , Hao Huang , Anthony Tzes , Geeta Chandra Raju Bethala , Yi Fang

In the context of visual navigation, the capacity to map a novel environment is necessary for an agent to exploit its observation history in the considered place and efficiently reach known goals. This ability can be associated with spatial…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Pierre Marza , Laetitia Matignon , Olivier Simonin , Christian Wolf

This paper focuses on semantic scene completion, a task for producing a complete 3D voxel representation of volumetric occupancy and semantic labels for a scene from a single-view depth map observation. Previous work has considered scene…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Shuran Song , Fisher Yu , Andy Zeng , Angel X. Chang , Manolis Savva , Thomas Funkhouser

This work presents a modular architecture for simultaneous mapping and target driven navigation in indoors environments. The semantic and appearance stored in 2.5D map is distilled from RGB images, semantic segmentation and outputs of…

Computer Vision and Pattern Recognition · Computer Science 2019-11-20 Georgios Georgakis , Yimeng Li , Jana Kosecka

Egocentric AI agents, such as smart glasses, rely on pointing gestures to resolve referential ambiguities in natural language commands. However, despite advancements in Multimodal Large Language Models (MLLMs), current systems often fail to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Chentao Li , Zirui Gao , Mingze Gao , Yinglian Ren , Jianjiang Feng , Jie Zhou

The imagination of the surrounding environment based on experience and semantic cognition has great potential to extend the limited observations and provide more information for mapping, collision avoidance, and path planning. This paper…

Robotics · Computer Science 2021-04-09 Zhengcheng Shen , Linh Kästner , Jens Lambrecht

Visual object navigation using learning methods is one of the key tasks in mobile robotics. This paper introduces a new representation of a scene semantic map formed during the embodied agent interaction with the indoor environment. It is…

Robotics · Computer Science 2023-11-08 Tatiana Zemskova , Aleksei Staroverov , Kirill Muravyev , Dmitry Yudin , Aleksandr Panov

Incorporating the physical environment is essential for a complete understanding of human behavior in unconstrained every-day tasks. This is especially important in ego-centric tasks where obtaining 3 dimensional information is both…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Mickey Li , Noyan Songur , Pavel Orlov , Stefan Leutenegger , A Aldo Faisal

Tasks involving localization, memorization and planning in partially observable 3D environments are an ongoing challenge in Deep Reinforcement Learning. We present EgoMap, a spatially structured neural memory architecture. EgoMap augments a…

Machine Learning · Computer Science 2020-02-10 Edward Beeching , Christian Wolf , Jilles Dibangoye , Olivier Simonin

Semantic grids are a useful representation of the environment around a robot. They can be used in autonomous vehicles to concisely represent the scene around the car, capturing vital information for downstream tasks like navigation or…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Manuel Alejandro Diaz-Zapata , Özgür Erkent , Christian Laugier , Jilles Dibangoye , David Sierra González

Modern intelligent and autonomous robotic applications often require robots to have more information about their environment than that provided by traditional occupancy grid maps. For example, a robot tasked to perform autonomous semantic…

Robotics · Computer Science 2021-03-30 Tobias Zaenker , Francesco Verdoja , Ville Kyrki

A key proficiency an autonomous mobile robot must have to perform high-level tasks is a strong understanding of its environment. This involves information about what types of objects are present, where they are, what their spatial extend…

We consider the problem of object goal navigation in unseen environments. Solving this problem requires learning of contextual semantic priors, a challenging endeavour given the spatial and semantic variability of indoor environments.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-10 Georgios Georgakis , Bernadette Bucher , Karl Schmeckpeper , Siddharth Singh , Kostas Daniilidis

Localization is an essential task for mobile autonomous robotic systems that want to use pre-existing maps or create new ones in the context of SLAM. Today, many robotic platforms are equipped with high-accuracy 3D LiDAR sensors, which…