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Related papers: Mono3DVG: 3D Visual Grounding in Monocular Images

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3D visual grounding (3DVG) involves localizing entities in a 3D scene referred to by natural language text. Such models are useful for embodied AI and scene retrieval applications, which involve searching for objects or patterns using…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Austin T. Wang , ZeMing Gong , Angel X. Chang

Monocular visual odometry (VO) is an important task in robotics and computer vision. Thus far, how to build accurate and robust monocular VO systems that can work well in diverse scenarios remains largely unsolved. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Libo Sun , Wei Yin , Enze Xie , Zhengrong Li , Changming Sun , Chunhua Shen

Real-world robots localize objects from natural-language instructions while scenes around them keep changing. Yet most of the existing 3D visual grounding (3DVG) method still assumes a reconstructed and up-to-date point cloud, an assumption…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Miao Hu , Zhiwei Huang , Tai Wang , Jiangmiao Pang , Dahua Lin , Nanning Zheng , Runsen Xu

Semantic aware reconstruction is more advantageous than geometric-only reconstruction for future robotic and AR/VR applications because it represents not only where things are, but also what things are. Object-centric mapping is a task to…

Computer Vision and Pattern Recognition · Computer Science 2021-02-16 Kejie Li , Hamid Rezatofighi , Ian Reid

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

Monocular multi-object detection and localization in 3D space has been proven to be a challenging task. The MoNet3D algorithm is a novel and effective framework that can predict the 3D position of each object in a monocular image and draw a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Xichuan Zhou , Yicong Peng , Chunqiao Long , Fengbo Ren , Cong Shi

Zero-shot 3D Visual Grounding (3DVG) is a critical capability for open-world embodied AI. However, existing methods are fundamentally bottlenecked by the poor quality of open-vocabulary 3D proposals, suffering from inaccurate categories and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Yufei Yin , Jie Zheng , Qianke Meng , Zhou Yu , Minghao Chen , Jiajun Ding , Min Tan , Yuling Xi , Zhiwen Chen , Chengfei Lv

In this paper, we introduce the task of multi-view RGB-based 3D object detection as an end-to-end optimization problem. To address this problem, we propose ImVoxelNet, a novel fully convolutional method of 3D object detection based on…

Computer Vision and Pattern Recognition · Computer Science 2021-10-18 Danila Rukhovich , Anna Vorontsova , Anton Konushin

A key contributor to recent progress in 3D detection from single images is monocular depth estimation. Existing methods focus on how to leverage depth explicitly, by generating pseudo-pointclouds or providing attention cues for image…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Dennis Park , Jie Li , Dian Chen , Vitor Guizilini , Adrien Gaidon

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

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

Due to the inherent ill-posed nature of 2D-3D projection, monocular 3D object detection lacks accurate depth recovery ability. Although the deep neural network (DNN) enables monocular depth-sensing from high-level learned features, the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Qing Lian , Peiliang Li , Xiaozhi Chen

In the field of monocular 3D detection, it is common practice to utilize scene geometric clues to enhance the detector's performance. However, many existing works adopt these clues explicitly such as estimating a depth map and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Junkai Xu , Liang Peng , Haoran Cheng , Hao Li , Wei Qian , Ke Li , Wenxiao Wang , Deng Cai

Visual grounding is a task to locate the target indicated by a natural language expression. Existing methods extend the generic object detection framework to this problem. They base the visual grounding on the features from pre-generated…

Computer Vision and Pattern Recognition · Computer Science 2022-06-09 Li Yang , Yan Xu , Chunfeng Yuan , Wei Liu , Bing Li , Weiming Hu

Current monocular 3D scene reconstruction (3DR) works are either fully-supervised, or not generalizable, or implicit in 3D representation. We propose a novel framework - MonoSelfRecon that for the first time achieves explicit 3D mesh…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Runfa Li , Upal Mahbub , Vasudev Bhaskaran , Truong Nguyen

3D Visual Grounding (3DVG) and 3D Dense Captioning (3DDC) are two crucial tasks in various 3D applications, which require both shared and complementary information in localization and visual-language relationships. Therefore, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Yongdong Luo , Haojia Lin , Xiawu Zheng , Yigeng Jiang , Fei Chao , Jie Hu , Guannan Jiang , Songan Zhang , Rongrong Ji

In this work, we explore neat yet effective Transformer-based frameworks for visual grounding. The previous methods generally address the core problem of visual grounding, i.e., multi-modal fusion and reasoning, with manually-designed…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Jiajun Deng , Zhengyuan Yang , Daqing Liu , Tianlang Chen , Wengang Zhou , Yanyong Zhang , Houqiang Li , Wanli Ouyang

3D object detection is a fundamental and challenging task for 3D scene understanding, and the monocular-based methods can serve as an economical alternative to the stereo-based or LiDAR-based methods. However, accurately detecting objects…

Computer Vision and Pattern Recognition · Computer Science 2022-01-27 Zhiyu Chong , Xinzhu Ma , Hong Zhang , Yuxin Yue , Haojie Li , Zhihui Wang , Wanli Ouyang

Visual grounding is a long-lasting problem in vision-language understanding due to its diversity and complexity. Current practices concentrate mostly on performing visual grounding in still images or well-trimmed video clips. This work, on…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Qianyu Feng , Yunchao Wei , Mingming Cheng , Yi Yang

Reconstructing 3D objects from a single image is an intriguing but challenging problem. One promising solution is to utilize multi-view (MV) 3D reconstruction to fuse generated MV images into consistent 3D objects. However, the generated…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Yizheng Chen , Rengan Xie , Qi Ye , Sen Yang , Zixuan Xie , Tianxiao Chen , Rong Li , Yuchi Huo