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3D human pose estimation is a difficult task, due to challenges such as occluded body parts and ambiguous poses. Graph convolutional networks encode the structural information of the human skeleton in the form of an adjacency matrix, which…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Soubarna Banik , Alejandro Mendoza Gracia , Alois Knoll

Human-Object Interaction (HOI) recognition in videos is important for analyzing human activity. Most existing work focusing on visual features usually suffer from occlusion in the real-world scenarios. Such a problem will be further…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Tanqiu Qiao , Qianhui Men , Frederick W. B. Li , Yoshiki Kubotani , Shigeo Morishima , Hubert P. H. Shum

It has become a popular paradigm to transfer the knowledge of large-scale pre-trained models to various downstream tasks via fine-tuning the entire model parameters. However, with the growth of model scale and the rising number of…

Machine Learning · Computer Science 2023-05-18 Anchun Gui , Jinqiang Ye , Han Xiao

Gaining a deeper understanding of the thickness and variability of internal ice layers in Radar imagery is essential in monitoring the snow accumulation, better evaluating ice dynamics processes, and minimizing uncertainties in climate…

Machine Learning · Computer Science 2025-07-11 Zesheng Liu , Maryam Rahnemoonfar

We present Generalizable NeRF Transformer (GNT), a transformer-based architecture that reconstructs Neural Radiance Fields (NeRFs) and learns to renders novel views on the fly from source views. While prior works on NeRFs optimize a scene…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Mukund Varma T , Peihao Wang , Xuxi Chen , Tianlong Chen , Subhashini Venugopalan , Zhangyang Wang

The extraction of keypoint positions from input hand frames, known as 3D hand pose estimation, is crucial for various human-computer interaction applications. However, current approaches often struggle with the dynamic nature of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Wencan Cheng , Eunji Kim , Jong Hwan Ko

3D scene graphs have recently emerged as a powerful high-level representation of 3D environments. A 3D scene graph describes the environment as a layered graph where nodes represent spatial concepts at multiple levels of abstraction and…

Robotics · Computer Science 2022-06-22 Nathan Hughes , Yun Chang , Luca Carlone

Despite significant progress in 3D object detection, point clouds remain challenging due to sparse data, incomplete structures, and limited semantic information. Capturing contextual relationships between distant objects presents additional…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Md Sohag Mia , Md Nahid Hasan , Muhammad Abdullah Adnan

We propose a new 3D holistic++ scene understanding problem, which jointly tackles two tasks from a single-view image: (i) holistic scene parsing and reconstruction---3D estimations of object bounding boxes, camera pose, and room layout, and…

Computer Vision and Pattern Recognition · Computer Science 2019-09-05 Yixin Chen , Siyuan Huang , Tao Yuan , Siyuan Qi , Yixin Zhu , Song-Chun Zhu

Accurately recovering human pose and appearance from video is an essential component of scene reconstruction, with applications to motion capture, motion prediction, virtual reality, and digital twinning. Despite significant interest in…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Yeheng Zong , Pou-Chun Kung , Yike Pan , Seth Isaacson , Yizhou Chen , Ram Vasudevan , Katherine A. Skinner

Human Pose Estimation is a crucial module in human-machine interaction applications and, especially since the rise in deep learning technology, robust methods are available to consumers using RGB cameras and commercial GPUs. On the other…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Gaurvi Goyal , Pham Cong Thuong , Arren Glover , Masayoshi Mizuno , Chiara Bartolozzi

Local Feature Matching, an essential component of several computer vision tasks (e.g., structure from motion and visual localization), has been effectively settled by Transformer-based methods. However, these methods only integrate…

Computer Vision and Pattern Recognition · Computer Science 2023-10-23 Xinyu Zhang , Li Wang , Zhiqiang Jiang , Kun Dai , Tao Xie , Lei Yang , Wenhao Yu , Yang Shen , Jun Li

Accurately modelling human attention is essential for numerous computer vision applications, particularly in the domain of automotive safety. Existing methods typically collapse gaze into saliency maps or scanpaths, treating gaze dynamics…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Luke Palmer , Petar Palasek , Hazem Abdelkawy

Existing methods for image alignment struggle in cases involving feature-sparse regions, extreme scale and field-of-view differences, and large deformations, often resulting in suboptimal accuracy. Robustness to these challenges can be…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Kanggeon Lee , Soochahn Lee , Kyoung Mu Lee

Reconstructing 3D human-object interaction (HOI) from single-view RGB images is challenging due to the absence of depth information and potential occlusions. Existing methods simply predict the body poses merely rely on network training on…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Yuhang Chen , Chenxing Wang

Estimating 3D poses and shapes in the form of meshes from monocular RGB images is challenging. Obviously, it is more difficult than estimating 3D poses only in the form of skeletons or heatmaps. When interacting persons are involved, the 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Junuk Cha , Muhammad Saqlain , GeonU Kim , Mingyu Shin , Seungryul Baek

Graph transformers typically lack third-order interactions, limiting their geometric understanding which is crucial for tasks like molecular geometry prediction. We propose the Triplet Graph Transformer (TGT) that enables direct…

Machine Learning · Computer Science 2025-09-10 Md Shamim Hussain , Mohammed J. Zaki , Dharmashankar Subramanian

Safe manipulation-oriented navigation for humanoid robots requires scene memory that remains reliable under locomotion-induced perceptual distortion, environmental changes, and interaction-level geometric safety constraints. Existing…

Robotics · Computer Science 2026-05-22 Peifeng Jiang , Hong Liu , Jin Jin , Wenshuai Wang , Xia Li

Accurate prediction of real-world pedestrian trajectories is crucial for a wide range of robot-related applications. Recent approaches typically adopt graph-based or transformer-based frameworks to model interactions. Despite their…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Ruochen Li , Ziyi Chang , Junyan Hu , Jiannan Li , Amir Atapour-Abarghouei , Hubert P. H. Shum

Humanoid motion control has witnessed significant breakthroughs in recent years, with deep reinforcement learning (RL) emerging as a primary catalyst for achieving complex, human-like behaviors. However, the high dimensionality and…