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Sensitivity to severe occlusion and large view angles limits the usage scenarios of the existing monocular 3D dense face alignment methods. The state-of-the-art 3DMM-based method, directly regresses the model's coefficients, underutilizing…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Heyuan Li , Bo Wang , Yu Cheng , Mohan Kankanhalli , Robby T. Tan

Although great progress has been made in 3D visual grounding, current models still rely on explicit textual descriptions for grounding and lack the ability to reason human intentions from implicit instructions. We propose a new task called…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Chenming Zhu , Tai Wang , Wenwei Zhang , Kai Chen , Xihui Liu

Visual grounding aims to identify objects or regions in a scene based on natural language descriptions, essential for spatially aware perception in autonomous driving. However, existing visual grounding tasks typically depend on bounding…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Zhan Shi , Song Wang , Junbo Chen , Jianke Zhu

Learning to ground natural language queries to target objects or regions in 3D point clouds is quite essential for 3D scene understanding. Nevertheless, existing 3D visual grounding approaches require a substantial number of bounding box…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Xiaoxu Xu , Yitian Yuan , Qiudan Zhang , Wenhui Wu , Zequn Jie , Lin Ma , Xu Wang

Visual grounding in 3D is the key for embodied agents to localize language-referred objects in open-world environments. However, existing benchmarks are limited to indoor focus, single-platform constraints, and small scale. We introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Rong Li , Yuhao Dong , Tianshuai Hu , Ao Liang , Youquan Liu , Dongyue Lu , Liang Pan , Lingdong Kong , Junwei Liang , Ziwei Liu

This article aims to use graphic engines to simulate a large number of training data that have free annotations and possibly strongly resemble to real-world data. Between synthetic and real, a two-level domain gap exists, involving content…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Yue Yao , Liang Zheng , Xiaodong Yang , Milind Napthade , Tom Gedeon

Methods tackling multi-object tracking need to estimate the number of targets in the sensing area as well as to estimate their continuous state. While the majority of existing methods focus on data association, precise state (3D pose)…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Johannes Groß , Aljosa Osep , Bastian Leibe

Synthetic Aperture Radar (SAR) images have proven to be a valuable cue for multimodal Land Cover Classification (LCC) when combined with RGB images. Most existing studies on cross-modal fusion assume that consistent feature information is…

Image and Video Processing · Electrical Eng. & Systems 2024-12-06 Pan Zhang , Baochai Peng , Chaoran Lu , Quanjin Huang

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

Classification-regression prediction networks have realized impressive success in several modern deep trackers. However, there is an inherent difference between classification and regression tasks, so they have diverse even opposite demands…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Xinglong Sun , Haijiang Sun , Shan Jiang , Jiacheng Wang , Xilai Wei , Zhonghe Hu

Local features and contextual dependencies are crucial for 3D point cloud analysis. Many works have been devoted to designing better local convolutional kernels that exploit the contextual dependencies. However, current point convolutions…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Yong He , Hongshan Yu , Zhengeng Yang , Wei Sun , Mingtao Feng , Ajmal Mian

Grounding referring expressions in RGBD image has been an emerging field. We present a novel task of 3D visual grounding in single-view RGBD image where the referred objects are often only partially scanned due to occlusion. In contrast to…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Haolin Liu , Anran Lin , Xiaoguang Han , Lei Yang , Yizhou Yu , Shuguang Cui

Nowadays the accurate geo-localization of ground-view images has an important role across domains as diverse as journalism, forensics analysis, transports, and Earth Observation. This work addresses the problem of matching a query…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Francesco Pro , Nikolaos Dionelis , Luca Maiano , Bertrand Le Saux , Irene Amerini

Spatial reasoning is an important component of human intelligence. We can imagine the shapes of 3D objects and reason about their spatial relations by merely looking at their three-view line drawings in 2D, with different levels of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-03 Wenyu Han , Siyuan Xiang , Chenhui Liu , Ruoyu Wang , Chen Feng

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

Deep neural network models have achieved remarkable progress in 3D scene understanding while trained in the closed-set setting and with full labels. However, the major bottleneck is that these models do not have the capacity to recognize…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Kangcheng Liu , Yong-Jin Liu , Baoquan Chen

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 shape recognition has attracted more and more attention as a task of 3D vision research. The proliferation of 3D data encourages various deep learning methods based on 3D data. Now there have been many deep learning models based on…

Computer Vision and Pattern Recognition · Computer Science 2020-03-02 Yaxin Zhao , Jichao Jiao , Tangkun Zhang

The ability to understand the ways to interact with objects from visual cues, a.k.a. visual affordance, is essential to vision-guided robotic research. This involves categorizing, segmenting and reasoning of visual affordance. Relevant…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Shengheng Deng , Xun Xu , Chaozheng Wu , Ke Chen , Kui Jia

At a cocktail party, humans exhibit an impressive ability to direct their attention. The auditory attention detection (AAD) approach seeks to identify the attended speaker by analyzing brain signals, such as EEG signals. However, current…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-19 Sheng Yan , Cunhang fan , Hongyu Zhang , Xiaoke Yang , Jianhua Tao , Zhao Lv