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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

Referring Expression Comprehension (REC) is a foundational cross-modal task that evaluates the interplay of language understanding, image comprehension, and language-to-image grounding. It serves as an essential testing ground for…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Xuzheng Yang , Junzhuo Liu , Peng Wang , Guoqing Wang , Yang Yang , Heng Tao Shen

Seamless integration of virtual and physical worlds in augmented reality benefits from the system semantically "understanding" the physical environment. AR research has long focused on the potential of context awareness, demonstrating novel…

Human-Computer Interaction · Computer Science 2024-10-08 Chengyuan Xu , Radha Kumaran , Noah Stier , Kangyou Yu , Tobias Höllerer

Humans have a natural ability to effortlessly comprehend linguistic commands such as "park next to the yellow sedan" and instinctively know which region of the road the vehicle should navigate. Extending this ability to autonomous vehicles…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Nivedita Rufus , Kanishk Jain , Unni Krishnan R Nair , Vineet Gandhi , K Madhava Krishna

Object detection in 3D point clouds is a crucial task in a range of computer vision applications including robotics, autonomous cars, and augmented reality. This work addresses the object detection task in 3D point clouds using a highly…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Sultan Abu Ghazal , Jean Lahoud , Rao Anwer

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

AI-driven geometric problem solving is a complex vision-language task that requires accurate diagram interpretation, mathematical reasoning, and robust cross-modal grounding. A foundational yet underexplored capability for this task is the…

Machine Learning · Computer Science 2025-09-26 Bing Liu , Wenqiang Yv , Xuzheng Yang , Shichang Wang , Junzhuo Liu , Peng Wang , Guoqing Wang , Yang Yang , Heng Tao Shen

Recent progress in 3D scene understanding has explored visual grounding (3DVG) to localize a target object through a language description. However, existing methods only consider the dependency between the entire sentence and the target…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Zhihao Yuan , Xu Yan , Zhuo Li , Xuhao Li , Yao Guo , Shuguang Cui , Zhen Li

3D object detection with multi-sensors is essential for an accurate and reliable perception system of autonomous driving and robotics. Existing 3D detectors significantly improve the accuracy by adopting a two-stage paradigm which merely…

Computer Vision and Pattern Recognition · Computer Science 2022-09-23 Xinli Xu , Shaocong Dong , Lihe Ding , Jie Wang , Tingfa Xu , Jianan Li

To perform tasks specified by natural language instructions, autonomous agents need to extract semantically meaningful representations of language and map it to visual elements and actions in the environment. This problem is called…

Autonomous vehicles (AVs) rely on LiDAR sensors for environmental perception and decision-making in driving scenarios. However, ensuring the safety and reliability of AVs in complex environments remains a pressing challenge. To address this…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Shijun Zheng , Weiquan Liu , Yu Guo , Yu Zang , Siqi Shen , Cheng Wang

Recent developments and the beginning market introduction of high-resolution imaging 4D (3+1D) radar sensors have initialized deep learning-based radar perception research. We investigate deep learning-based models operating on radar point…

Robotics · Computer Science 2023-08-11 Patrick Palmer , Martin Krueger , Richard Altendorfer , Ganesh Adam , Torsten Bertram

Object detection and classification in 3D is a key task in Automated Driving (AD). LiDAR sensors are employed to provide the 3D point cloud reconstruction of the surrounding environment, while the task of 3D object bounding box detection in…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Waleed Ali , Sherif Abdelkarim , Mohamed Zahran , Mahmoud Zidan , Ahmad El Sallab

Enabling intelligent agents to comprehend and interact with 3D environments through natural language is crucial for advancing robotics and human-computer interaction. A fundamental task in this field is ego-centric 3D visual grounding,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Henry Zheng , Hao Shi , Qihang Peng , Yong Xien Chng , Rui Huang , Yepeng Weng , Zhongchao Shi , Gao Huang

Fusing LiDAR and camera information is essential for achieving accurate and reliable 3D object detection in autonomous driving systems. This is challenging due to the difficulty of combining multi-granularity geometric and semantic features…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Yang Jiao , Zequn Jie , Shaoxiang Chen , Jingjing Chen , Lin Ma , Yu-Gang Jiang

Radars, due to their robustness to adverse weather conditions and ability to measure object motions, have served in autonomous driving and intelligent agents for years. However, Radar-based perception suffers from its unintuitive sensing…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Liu Liu , Shuaifeng Zhi , Zhenhua Du , Li Liu , Xinyu Zhang , Kai Huo , Weidong Jiang

Accurate detection of objects in 3D point clouds is a central problem in many applications, such as autonomous navigation, housekeeping robots, and augmented/virtual reality. To interface a highly sparse LiDAR point cloud with a region…

Computer Vision and Pattern Recognition · Computer Science 2017-11-20 Yin Zhou , Oncel Tuzel

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

Recent advances in point cloud perception have demonstrated remarkable progress in scene understanding through vision-language alignment leveraging large language models (LLMs). However, existing methods may still encounter challenges in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Zhenhua Ning , Zhuotao Tian , Shaoshuai Shi , Guangming Lu , Daojing He , Wenjie Pei , Li Jiang

3D Visual Grounding (3DVG) is an essential capability for embodied AI, requiring agents to localize objects in 3D scenes based on natural language descriptions. Recent zero-shot methods leverage 2D vision-language models (LVLMs). However,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Cuong Huynh , Maxim Popov , Denis Gridusov , Sergey Kolyubin