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Recently proposed fine-grained 3D visual grounding is an essential and challenging task, whose goal is to identify the 3D object referred by a natural language sentence from other distractive objects of the same category. Existing works…

Computer Vision and Pattern Recognition · Computer Science 2021-08-12 Dailan He , Yusheng Zhao , Junyu Luo , Tianrui Hui , Shaofei Huang , Aixi Zhang , Si Liu

3D visual grounding is the ability to localize objects in 3D scenes conditioned by utterances. Most existing methods devote the referring head to localize the referred object directly, causing failure in complex scenarios. In addition, it…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Eslam Abdelrahman , Mohamed Ayman , Mahmoud Ahmed , Habib Slim , Mohamed Elhoseiny

Accurate 3D object detection in LiDAR point clouds is crucial for autonomous driving systems. To achieve state-of-the-art performance, the supervised training of detectors requires large amounts of human-annotated data, which is expensive…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Christian Fruhwirth-Reisinger , Wei Lin , Dušan Malić , Horst Bischof , Horst Possegger

Visual Grounding (VG) aims to utilize given natural language queries to locate specific target objects within images. While current transformer-based approaches demonstrate strong localization performance in standard scene (i.e, scenarios…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Jiangnan Xie , Xiaolong Zheng , Liang Zheng

While Vision-Language Models (VLMs) show significant promise for end-to-end autonomous driving by leveraging the common sense embedded in language models, their reliance on 2D image cues for complex scene understanding and decision-making…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Weijie Wei , Zhipeng Luo , Ling Feng , Venice Erin Liong

Robust visual localization under a wide range of viewing conditions is a fundamental problem in computer vision. Handling the difficult cases of this problem is not only very challenging but also of high practical relevance, e.g., in the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Johannes L. Schönberger , Marc Pollefeys , Andreas Geiger , Torsten Sattler

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

The 3D visual grounding task aims to ground a natural language description to the targeted object in a 3D scene, which is usually represented in 3D point clouds. Previous works studied visual grounding under specific views. The…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Shijia Huang , Yilun Chen , Jiaya Jia , Liwei Wang

Unlike Object Detection, Visual Grounding task necessitates the detection of an object described by complex free-form language. To simultaneously model such complex semantic and visual representations, recent state-of-the-art studies adopt…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Weitai Kang , Luowei Zhou , Junyi Wu , Changchang Sun , Yan Yan

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

Embodied scene understanding requires not only comprehending visual-spatial information that has been observed but also determining where to explore next in the 3D physical world. Existing 3D Vision-Language (3D-VL) models primarily focus…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Ziyu Zhu , Xilin Wang , Yixuan Li , Zhuofan Zhang , Xiaojian Ma , Yixin Chen , Baoxiong Jia , Wei Liang , Qian Yu , Zhidong Deng , Siyuan Huang , Qing Li

Understanding and localizing objects in complex 3D environments from natural language descriptions, known as 3D Visual Grounding (3DVG), is a foundational challenge in embodied AI, with broad implications for robotics, augmented reality,…

Robotics · Computer Science 2026-03-10 Jiaxi Zhang , Yunheng Wang , Wei Lu , Taowen Wang , Weisheng Xu , Shuning Zhang , Yixiao Feng , Yuetong Fang , Renjing Xu

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

Autonomous driving has achieved rapid development over the last few decades, including the machine perception as an important issue of it. Although object detection based on conventional cameras has achieved remarkable results in 2D/3D,…

Robotics · Computer Science 2021-07-20 Rui Yang , Zhi Yan , Tao Yang , Yassine Ruichek

We present a visual localization framework based on novel deep attention aware features for autonomous driving that achieves centimeter level localization accuracy. Conventional approaches to the visual localization problem rely on…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Yao Zhou , Guowei Wan , Shenhua Hou , Li Yu , Gang Wang , Xiaofei Rui , Shiyu Song

Recent advances in 3D datasets and multimodal models have greatly improved natural language 3D scene understanding. However, most 3D referring segmentation methods do not explicitly represent the observer viewpoint, making spatial relations…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Ayaka Nanri , Klara Reichard , Mert Kiray , Federico Tombari , Benjamin Busam , Asako Kanezaki

Traditional LiDAR-based object detection research primarily focuses on closed-set scenarios, which falls short in complex real-world applications. Directly transferring existing 2D open-vocabulary models with some known LiDAR classes for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Hu Zhang , Jianhua Xu , Tao Tang , Haiyang Sun , Xin Yu , Zi Huang , Kaicheng Yu

Single-vehicle Vision-Language Models (VLMs) are fundamentally constrained by sensor occlusions. While Vehicle-to-Everything (V2X) systems mitigate this, current benchmarks lack the cooperative reasoning required for resolving ambiguities…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Kevin Richard , Alphin Varghese , Colin Pham , David Oh , Srijan Das

Visual grounding aims to localize the object referred to in an image based on a natural language query. Although progress has been made recently, accurately localizing target objects within multiple-instance distractions (multiple objects…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Minghang Zheng , Jiahua Zhang , Qingchao Chen , Yuxin Peng , Yang Liu

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