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Latent scene representation plays a significant role in training reinforcement learning (RL) agents. To obtain good latent vectors describing the scenes, recent works incorporate the 3D-aware latent-conditioned NeRF pipeline into scene…

Robotics · Computer Science 2024-09-30 Jiaxu Wang , Ziyi Zhang , Qiang Zhang , Jia Li , Jingkai Sun , Mingyuan Sun , Junhao He , Renjing Xu

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

3D semantic scene graphs are a powerful holistic representation as they describe the individual objects and depict the relation between them. They are compact high-level graphs that enable many tasks requiring scene reasoning. In real-world…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Shun-Cheng Wu , Keisuke Tateno , Nassir Navab , Federico Tombari

This dissertation addresses visual scene understanding and enhances segmentation performance and generalization, training efficiency of networks, and holistic understanding. First, we investigate semantic segmentation in the context of…

Computer Vision and Pattern Recognition · Computer Science 2022-01-20 Panagiotis Meletis

Visual Commonsense Reasoning, which is regarded as one challenging task to pursue advanced visual scene comprehension, has been used to diagnose the reasoning ability of AI systems. However, reliable reasoning requires a good grasp of the…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Fan Yuan , Xiaoyuan Fang , Rong Quan , Jing Li , Wei Bi , Xiaogang Xu , Piji Li

This paper investigates the integration of graph neural networks (GNNs) with Qualitative Explainable Graphs (QXGs) for scene understanding in automated driving. Scene understanding is the basis for any further reactive or proactive…

Robotics · Computer Science 2025-04-18 Nassim Belmecheri , Arnaud Gotlieb , Nadjib Lazaar , Helge Spieker

Ambiguity poses a major challenge to large language models (LLMs) used as robotic planners. In this letter, we present Scene Graph-Chain-of-Thought (SG-CoT), a two-stage framework where LLMs iteratively query a scene graph representation of…

Robotics · Computer Science 2026-03-23 Akshat Rana , Peeyush Agarwal , K. P. S. Rana , Amarjit Malhotra

In recent years, the concept of artificial intelligence (AI) has become a prominent keyword because it is promising in solving complex tasks. The need for human expertise in specific areas may no longer be needed because machines have…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Ehsan Rassekh

Within a perception framework for autonomous mobile and robotic systems, semantic analysis of 3D point clouds typically generated by LiDARs is key to numerous applications, such as object detection and recognition, and scene reconstruction.…

Robotics · Computer Science 2024-10-14 Samir Abou Haidar , Alexandre Chariot , Mehdi Darouich , Cyril Joly , Jean-Emmanuel Deschaud

This paper addresses the problem of object-goal navigation in autonomous inspections in real-world environments. Object-goal navigation is crucial to enable effective inspections in various settings, often requiring the robot to identify…

Robot planning in partially observable domains is difficult, because a robot needs to estimate the current state and plan actions at the same time. When the domain includes many objects, reasoning about the objects and their relationships…

Robotics · Computer Science 2022-02-22 Saeid Amiri , Kishan Chandan , Shiqi Zhang

Current techniques in Visual Simultaneous Localization and Mapping (VSLAM) estimate camera displacement by comparing image features of consecutive scenes. These algorithms depend on scene continuity, hence requires frequent camera inputs.…

Robotics · Computer Science 2024-01-25 Mingyang Li , Yue Ma , Qinru Qiu

Visual-based recognition, e.g., image classification, object detection, etc., is a long-standing challenge in computer vision and robotics communities. Concerning the roboticists, since the knowledge of the environment is a prerequisite for…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Antonios Gasteratos , Konstantinos A. Tsintotas , Tobias Fischer , Yiannis Aloimonos , Michael Milford

Navigational signs are common aids for human wayfinding and scene understanding, but are underutilized by robots. We argue that they benefit robot navigation and scene understanding, by directly encoding privileged information on actions,…

Robotics · Computer Science 2025-09-17 Ayush Agrawal , Joel Loo , Nicky Zimmerman , David Hsu

Open-vocabulary scene understanding is crucial for robotic applications, enabling robots to comprehend complex 3D environmental contexts and supporting various downstream tasks such as navigation and manipulation. However, existing methods…

Training Scene Graph Generation (SGG) models with natural language captions has become increasingly popular due to the abundant, cost-effective, and open-world generalization supervision signals that natural language offers. However, such…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Zuyao Chen , Jinlin Wu , Zhen Lei , Zhaoxiang Zhang , Changwen Chen

Semantic grasping is the problem of selecting stable grasps that are functionally suitable for specific object manipulation tasks. In order for robots to effectively perform object manipulation, a broad sense of contexts, including object…

Robotics · Computer Science 2020-06-09 Weiyu Liu , Angel Daruna , Sonia Chernova

For safe operation, a robot must be able to avoid collisions in uncertain environments. Existing approaches for motion planning under uncertainties often assume parametric obstacle representations and Gaussian uncertainty, which can be…

Robotics · Computer Science 2023-12-04 Ralf Römer , Armin Lederer , Samuel Tesfazgi , Sandra Hirche

Semantic mapping is a key component of robots operating in and interacting with objects in structured environments. Traditionally, geometric and knowledge representations within a semantic map have only been loosely integrated. However,…

Current Visual Simultaneous Localization and Mapping (VSLAM) systems often struggle to create maps that are both semantically rich and easily interpretable. While incorporating semantic scene knowledge aids in building richer maps with…