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Related papers: UniGround: Universal 3D Visual Grounding via Train…

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3D visual grounding aims to automatically locate the 3D region of the specified object given the corresponding textual description. Existing works fail to distinguish similar objects especially when multiple referred objects are involved in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Feng Xiao , Hongbin Xu , Qiuxia Wu , Wenxiong Kang

Language-guided grasping has emerged as a promising paradigm for enabling robots to identify and manipulate target objects through natural language instructions, yet it remains highly challenging in cluttered or occluded scenes. Existing…

Robotics · Computer Science 2026-02-05 Rui Tang , Guankun Wang , Long Bai , Huxin Gao , Jiewen Lai , Chi Kit Ng , Jiazheng Wang , Fan Zhang , Hongliang Ren

Large language models, trained on extensive corpora, successfully unify diverse linguistic tasks within a single generative framework. Inspired by this, recent works like Large Vision Model (LVM) extend this paradigm to vision by organizing…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Lan Chen , Yuchao Gu , Qi Mao

Semantic-aware 3D reconstruction from sparse, unposed images remains challenging for feed-forward 3D Gaussian Splatting (3DGS). Existing methods often predict an over-complete set of Gaussian primitives under sparse-view supervision,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Guibiao Liao , Qian Ren , Kaimin Liao , Hua Wang , Zhi Chen , Luchao Wang , Yaohua Tang

Object goal navigation is an important problem in Embodied AI that involves guiding the agent to navigate to an instance of the object category in an unknown environment -- typically an indoor scene. Unfortunately, current state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2023-05-29 Junting Chen , Guohao Li , Suryansh Kumar , Bernard Ghanem , Fisher Yu

A robotic solution for the unmanned ground vehicles (UGVs) to execute the highly complex task of object manipulation in an autonomous mode is presented. This paper primarily focuses on developing an autonomous robotic system capable of…

Robotics · Computer Science 2021-12-16 Mohit Vohra , Laxmidhar Behera

Despite recent advances in Video Large Language Models (Vid-LLMs), Temporal Video Grounding (TVG), which aims to precisely localize time segments corresponding to query events, remains a significant challenge. Existing methods often match…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Jiahao Nie , Wenbin An , Gongjie Zhang , Yicheng Xu , Yap-Peng Tan , Alex C. Kot , Shijian Lu

Grounding object properties and relations in 3D scenes is a prerequisite for a wide range of artificial intelligence tasks, such as visually grounded dialogues and embodied manipulation. However, the variability of the 3D domain induces two…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Joy Hsu , Jiayuan Mao , Jiajun Wu

Visual grounding refers to the ability of a model to identify a region within some visual input that matches a textual description. Consequently, a model equipped with visual grounding capabilities can target a wide range of applications in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Georgios Pantazopoulos , Eda B. Özyiğit

Abstract visual reasoning (AVR) enables humans to quickly discover and generalize abstract rules to new scenarios. Designing intelligent systems with human-like AVR abilities has been a long-standing topic in the artificial intelligence…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Fan Shi , Bin Li , Xiangyang Xue

Though recent advances in vision-language models (VLMs) have achieved remarkable progress across a wide range of multimodal tasks, understanding 3D spatial relationships from limited views remains a significant challenge. Previous reasoning…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Zhangquan Chen , Manyuan Zhang , Xinlei Yu , Xufang Luo , Mingze Sun , Zihao Pan , Xiang An , Yan Feng , Peng Pei , Xunliang Cai , Ruqi Huang

We propose a learning system in which language is grounded in visual percepts without specific pre-defined categories of terms. We present a unified generative method to acquire a shared semantic/visual embedding that enables the learning…

Computation and Language · Computer Science 2021-08-02 Nisha Pillai , Cynthia Matuszek , Francis Ferraro

The field of generative AI has a transformative impact on various areas, including virtual reality, autonomous driving, the metaverse, gaming, and robotics. Among these applications, 3D object generation techniques are of utmost importance.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Qinghong Sun , Yangguang Li , ZeXiang Liu , Xiaoshui Huang , Fenggang Liu , Xihui Liu , Wanli Ouyang , Jing Shao

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

Neural rendering has demonstrated remarkable success in high-quality 3D neural reconstruction and novel view synthesis with dense input views and accurate poses. However, applying it to extremely sparse, unposed views in unbounded 360{\deg}…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Chong Bao , Xiyu Zhang , Zehao Yu , Jiale Shi , Guofeng Zhang , Songyou Peng , Zhaopeng Cui

Emerging unified editing models have demonstrated strong capabilities in general object editing tasks. However, it remains a significant challenge to perform fine-grained editing in complex multi-entity scenes, particularly those where…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Yecong Wan , Fan Li , Chunwei Wang , Hao Wu , Mingwen Shao , Wangmeng Zuo

Vision-language models (VLMs) have achieved strong performance in multimodal understanding and reasoning, yet grounded reasoning in 3D scenes remains underexplored. Effective 3D reasoning hinges on accurate grounding: to answer open-ended…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Henry Zheng , Chenyue Fang , Rui Huang , Siyuan Wei , Xiao Liu , Gao Huang

Spatial reasoning in large-scale 3D environments such as warehouses remains a significant challenge for vision-language systems due to scene clutter, occlusions, and the need for precise spatial understanding. Existing models often struggle…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Tanner Muturi , Blessing Agyei Kyem , Joshua Kofi Asamoah , Neema Jakisa Owor , Richard Dyzinela , Andrews Danyo , Yaw Adu-Gyamfi , Armstrong Aboah

3D object grounding localizes referred objects in a 3D scene from natural language. Unified instance-centric 3D-LLMs aim to solve grounding together with dialog, QA, and captioning, yet many rely on a single pointer-style grounding decision…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Jiawei Li , Ziyi Liu , Weijie Shi , Long Chen , Jiajie Xu , Xiaofang Zhou

Open-vocabulary 3D object detection (OV-3DDet) aims to localize and recognize both seen and previously unseen object categories within any new 3D scene. While language and vision foundation models have achieved success in handling various…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Pengkun Jiao , Na Zhao , Jingjing Chen , Yu-Gang Jiang