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The existing works on object-level language grounding with 3D objects mostly focus on improving performance by utilizing the off-the-shelf pre-trained models to capture features, such as viewpoint selection or geometric priors. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Penglei Sun , Yaoxian Song , Xinglin Pan , Peijie Dong , Xiaofei Yang , Qiang Wang , Zhixu Li , Tiefeng Li , Xiaowen Chu

Integrating open-vocabulary semantic information into dynamic 3D scene representations is essential for long-term embodied scene understanding. However, existing methods often suffer from fragile instance association due to incomplete…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Luzhou Ge , Xiangyu Zhu , Jinyan Liu , Xuesong Li

Vision-language foundation models have shown remarkable performance in various zero-shot settings such as image retrieval, classification, or captioning. But so far, those models seem to fall behind when it comes to zero-shot localization…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Walid Bousselham , Felix Petersen , Vittorio Ferrari , Hilde Kuehne

The prospect of assistive robots aiding in object organization has always been compelling. In an image-goal setting, the robot rearranges the current scene to match the single image captured from the goal scene. The key to an image-goal…

Robotics · Computer Science 2023-09-19 Dehao Huang , Chao Tang , Hong Zhang

Multi-modal 3D object understanding has gained significant attention, yet current approaches often assume complete data availability and rigid alignment across all modalities. We present CrossOver, a novel framework for cross-modal 3D scene…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Sayan Deb Sarkar , Ondrej Miksik , Marc Pollefeys , Daniel Barath , Iro Armeni

Cultural values are expressed not only through language but also through visual scenes and everyday social practices. Yet existing evaluations of cultural values in language models are almost entirely text-only, making it unclear whether…

Computation and Language · Computer Science 2026-04-16 Zhipin Wang , Christoph Leiter , Christian Frey , Mohamed Hesham Ibrahim Abdalla , Josif Grabocka , Steffen Eger

Precise estimation of global orientation and location is critical to ensure a compelling outdoor Augmented Reality (AR) experience. We address the problem of geo-pose estimation by cross-view matching of query ground images to a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Niluthpol Chowdhury Mithun , Kshitij Minhas , Han-Pang Chiu , Taragay Oskiper , Mikhail Sizintsev , Supun Samarasekera , Rakesh Kumar

Nowadays, service robots are appearing more and more in our daily life. For this type of robot, open-ended object category learning and recognition is necessary since no matter how extensive the training data used for batch learning, the…

Robotics · Computer Science 2021-01-01 Hamidreza Kasaei

Object detection is an essential task for autonomous robots operating in dynamic and changing environments. A robot should be able to detect objects in the presence of sensor noise that can be induced by changing lighting conditions for…

Robotics · Computer Science 2019-11-20 Oier Mees , Andreas Eitel , Wolfram Burgard

Object navigation is a core capability of embodied intelligence, enabling an agent to locate target objects in unknown environments. Recent advances in vision-language models (VLMs) have facilitated zero-shot object navigation (ZSON).…

Robotics · Computer Science 2026-02-13 Wancai Zheng , Hao Chen , Xianlong Lu , Linlin Ou , Xinyi Yu

Open-vocabulary 3D Scene Graph (3DSG) can enhance various downstream tasks in robotics by leveraging structured semantic representations, yet current 3DSG construction methods suffer from semantic inconsistencies caused by noisy cross-image…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yue Chang , Rufeng Chen , Zhaofan Zhang , Yi Chen , Yifan Tian , Sihong Xie

In this work, we focus on the problem of grounding language by training an agent to follow a set of natural language instructions and navigate to a target object in an environment. The agent receives visual information through raw pixels…

Computation and Language · Computer Science 2018-12-27 Akilesh B , Abhishek Sinha , Mausoom Sarkar , Balaji Krishnamurthy

Segment matching is an important intermediate task in computer vision that establishes correspondences between semantically or geometrically coherent regions across images. Unlike keypoint matching, which focuses on localized features,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Rohit Jayanti , Swayam Agrawal , Vansh Garg , Siddharth Tourani , Muhammad Haris Khan , Sourav Garg , Madhava Krishna

Monocular 3D Visual Grounding (Mono3DVG) is an emerging task that locates 3D objects in RGB images using text descriptions with geometric cues. However, existing methods face two key limitations. Firstly, they often over-rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Yuzhen Li , Min Liu , Zhaoyang Li , Yuan Bian , Xueping Wang , Erbo Zhai , Yaonan Wang

Target localization is a prerequisite for embodied tasks such as navigation and manipulation. Conventional approaches rely on constructing explicit 3D scene representations to enable target localization, such as point clouds, voxel grids,…

Robotics · Computer Science 2026-04-22 Rui Zhou , Xander Yap , Jianwen Cao , Allison Lau , Boyang Sun , Marc Pollefeys

3D scene understanding for robotic applications exhibits a unique set of requirements including real-time inference, object-centric latent representation learning, accurate 6D pose estimation and 3D reconstruction of objects. Current…

Robotics · Computer Science 2024-02-27 Yizhe Wu , Haitz Sáez de Ocáriz Borde , Jack Collins , Oiwi Parker Jones , Ingmar Posner

Interpreting object-referential language and grounding objects in 3D with spatial relations and attributes is essential for robots operating alongside humans. However, this task is often challenging due to the diversity of scenes, large…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Nader Zantout , Haochen Zhang , Pujith Kachana , Jinkai Qiu , Guofei Chen , Ji Zhang , Wenshan Wang

Models like OpenAI-o3 pioneer visual grounded reasoning by dynamically referencing visual regions, just like human "thinking with images". However, no benchmark exists to evaluate these capabilities holistically. To bridge this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Haochen Wang , Xiangtai Li , Zilong Huang , Anran Wang , Jiacong Wang , Tao Zhang , Jiani Zheng , Sule Bai , Zijian Kang , Jiashi Feng , Zhuochen Wang , Zhaoxiang Zhang

3D visual grounding aims to identify and localize objects in a 3D space based on textual descriptions. However, existing methods struggle with disentangling targets from anchors in complex multi-anchor queries and resolving inconsistencies…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Ronggang Huang , Haoxin Yang , Yan Cai , Xuemiao Xu , Huaidong Zhang , Shengfeng He

Effective scene representation is critical for the visual grounding ability of representations, yet existing methods for 3D Visual Grounding are often constrained. They either only focus on geometric and visual cues, or, like traditional 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Qinghongbing Xie , Zijian Liang , Fuhao Li , Long Zeng