English
Related papers

Related papers: Fine-Grained Spatial and Verbal Losses for 3D Visu…

200 papers

We present GR3D, a spatial vision language model equipped with three complementary grounding capabilities--explicit 2D grounding, implicit 2D grounding, and monocular 3D grounding--within a single framework. GR3D introduces an implicit…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 An-Chieh Cheng , Yang Fu , Yatai Ji , Ligeng Zhu , Guanqi Zhan , Zhuoyang Zhang , Zhaojing Yang , Song Han , Yao Lu , Pavlo Molchanov , Vidya Nariyambut Murali , Jan Kautz , Xiaolong Wang , Hongxu Yin , Sifei Liu

Visual-Semantic Embedding (VSE) is a prevalent approach in image-text retrieval by learning a joint embedding space between the image and language modalities where semantic similarities would be preserved. The triplet loss with…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Hong Xuan , Xi Chen

Text-guided 3D visual grounding (T-3DVG), which aims to locate a specific object that semantically corresponds to a language query from a complicated 3D scene, has drawn increasing attention in the 3D research community over the past few…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Daizong Liu , Yang Liu , Wencan Huang , Wei Hu

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

Most existing 3D referring expression segmentation (3DRES) methods rely on dense, high-quality point clouds, while real-world agents such as robots and mobile phones operate with only a few sparse RGB views and strict latency constraints.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Changli Wu , Haodong Wang , Jiayi Ji , Yutian Yao , Chunsai Du , Jihua Kang , Yanwei Fu , Liujuan Cao

3D Visual Grounding (3DVG) involves localizing target objects in 3D point clouds based on natural language. While prior work has made strides using textual descriptions, leveraging spoken language-known as Audio-based 3D Visual…

Machine Learning · Computer Science 2025-08-14 Duc Cao-Dinh , Khai Le-Duc , Anh Dao , Bach Phan Tat , Chris Ngo , Duy M. H. Nguyen , Nguyen X. Khanh , Thanh Nguyen-Tang

Open-vocabulary 3D visual grounding and reasoning aim to localize objects in a scene based on implicit language descriptions, even when they are occluded. This ability is crucial for tasks such as vision-language navigation and autonomous…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Zhenyang Liu , Yikai Wang , Sixiao Zheng , Tongying Pan , Longfei Liang , Yanwei Fu , Xiangyang Xue

Referring expression grounding aims at locating certain objects or persons in an image with a referring expression, where the key challenge is to comprehend and align various types of information from visual and textual domain, such as…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Xihui Liu , Zihao Wang , Jing Shao , Xiaogang Wang , Hongsheng Li

In this paper, we address the challenging problem of 3D concept grounding (i.e. segmenting and learning visual concepts) by looking at RGBD images and reasoning about paired questions and answers. Existing visual reasoning approaches…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Yining Hong , Yilun Du , Chunru Lin , Joshua B. Tenenbaum , Chuang Gan

3D Visual Grounding (3DVG) seeks to locate target objects in 3D scenes using natural language descriptions, enabling downstream applications such as augmented reality and robotics. Existing approaches typically rely on labeled 3D data and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Rong Li , Shijie Li , Lingdong Kong , Xulei Yang , Junwei Liang

Prior studies on 3D scene understanding have primarily developed specialized models for specific tasks or required task-specific fine-tuning. In this study, we propose Grounded 3D-LLM, which explores the potential of 3D large multi-modal…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Yilun Chen , Shuai Yang , Haifeng Huang , Tai Wang , Runsen Xu , Ruiyuan Lyu , Dahua Lin , Jiangmiao Pang

We present a visually-grounded language understanding model based on a study of how people verbally describe objects in scenes. The emphasis of the model is on the combination of individual word meanings to produce meanings for complex…

Artificial Intelligence · Computer Science 2011-07-04 P. Gorniak , D. Roy

3D Visual Grounding (3DVG) aims to locate objects in 3D scenes based on textual descriptions, essential for applications like augmented reality and robotics. Traditional 3DVG approaches rely on annotated 3D datasets and predefined object…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Rong Li , Shijie Li , Lingdong Kong , Xulei Yang , Junwei Liang

The recent development of Large Language Models (LLMs) with strong reasoning ability has driven research in various domains such as mathematics, coding, and scientific discovery. Meanwhile, 3D visual grounding, as a fundamental task in 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Hsiang-Wei Huang , Kuang-Ming Chen , Wenhao Chai , Cheng-Yen Yang , Jen-Hao Cheng , Jenq-Neng Hwang

We present a novel task for cross-dataset visual grounding in 3D scenes (Cross3DVG), which overcomes limitations of existing 3D visual grounding models, specifically their restricted 3D resources and consequent tendencies of overfitting a…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Taiki Miyanishi , Daichi Azuma , Shuhei Kurita , Motoki Kawanabe

Monocular 3D visual grounding is a novel task that aims to locate 3D objects in RGB images using text descriptions with explicit geometry information. Despite the inclusion of geometry details in the text, we observe that the text…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Yuzhen Li , Min Liu , Yuan Bian , Xueping Wang , Zhaoyang Li , Gen Li , Yaonan Wang

The 3D visual grounding task has been explored with visual and language streams comprehending referential language to identify target objects in 3D scenes. However, most existing methods devote the visual stream to capturing the 3D visual…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Eslam Mohamed Bakr , Yasmeen Alsaedy , Mohamed Elhoseiny

Visual grounding of Language aims at enriching textual representations of language with multiple sources of visual knowledge such as images and videos. Although visual grounding is an area of intense research, inter-lingual aspects of…

Computation and Language · Computer Science 2022-11-22 Wafaa Mohammed , Hassan Shahmohammadi , Hendrik P. A. Lensch , R. Harald Baayen

Generalized visual grounding tasks, including Generalized Referring Expression Comprehension (GREC) and Segmentation (GRES), extend the classical visual grounding paradigm by accommodating multi-target and non-target scenarios.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Ming Dai , Wenxuan Cheng , Jiang-Jiang Liu , Lingfeng Yang , Zhenhua Feng , Wankou Yang , Jingdong Wang

3D Visual Grounding (3DVG) aims to locate objects in 3D scenes based on text prompts, which is essential for applications such as robotics. However, existing 3DVG methods encounter two main challenges: first, they struggle to handle the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Liwei Liao , Xufeng Li , Xiaoyun Zheng , Boning Liu , Feng Gao , Ronggang Wang