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Existing methods for 3D tracking from monocular RGB videos predominantly consider articulated and rigid objects. Modelling dense non-rigid object deformations in this setting remained largely unaddressed so far, although such effects can…

计算机视觉与模式识别 · 计算机科学 2023-10-16 Soshi Shimada , Vladislav Golyanik , Patrick Pérez , Christian Theobalt

This paper focuses on a challenging setting of simultaneously modeling geometry and appearance of hand-object interaction scenes without any object priors. We follow the trend of dynamic 3D Gaussian Splatting based methods, and address…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Hao Tian , Chenyangguang Zhang , Rui Liu , Wen Shen , Xiaolin Qin

Understanding dynamic hand motions and actions from egocentric RGB videos is a fundamental yet challenging task due to self-occlusion and ambiguity. To address occlusion and ambiguity, we develop a transformer-based framework to exploit…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Yilin Wen , Hao Pan , Lei Yang , Jia Pan , Taku Komura , Wenping Wang

Hand avatars play a pivotal role in a wide array of digital interfaces, enhancing user immersion and facilitating natural interaction within virtual environments. While previous studies have focused on photo-realistic hand rendering, little…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Qijun Gan , Zijie Zhou , Jianke Zhu

Recent research advance has significantly improved the visual realism of immersive 3D video communication. In this work we present a method to further enhance this immersive experience by adding the hand touch capability ("remote hand…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Yizhong Zhang , Zhiqi Li , Sicheng Xu , Chong Li , Jiaolong Yang , Xin Tong , Baining Guo

Deep implicit functions (DIFs), as a kind of 3D shape representation, are becoming more and more popular in the 3D vision community due to their compactness and strong representation power. However, unlike polygon mesh-based templates, it…

计算机视觉与模式识别 · 计算机科学 2021-05-14 Zerong Zheng , Tao Yu , Qionghai Dai , Yebin Liu

Objects we interact with and manipulate often share similar parts, such as handles, that allow us to transfer our actions flexibly due to their shared functionality. This work addresses the problem of transferring a grasp experience or a…

机器人学 · 计算机科学 2023-08-21 Ahmet Tekden , Marc Peter Deisenroth , Yasemin Bekiroglu

Generative modeling provides a powerful framework for learning data distributions. These models initially relied on probabilistic methods such as Gaussian Processes (GP) for uncertainty-aware predictions and shifted towards larger trainable…

In this paper, we propose a novel learning-based framework for 3D shape registration, which overcomes the challenges of significant non-rigid deformation and partiality undergoing among input shapes, and, remarkably, requires no…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Zhangquan Chen , Puhua Jiang , Mingze Sun , Ruqi Huang

We propose a novel approach for deformation-aware neural networks that learn the weighting and synthesis of dense volumetric deformation fields. Our method specifically targets the space-time representation of physical surfaces from liquid…

图形学 · 计算机科学 2019-02-21 Lukas Prantl , Boris Bonev , Nils Thuerey

This paper focuses on the task of 4D shape reconstruction from a sequence of point clouds. Despite the recent success achieved by extending deep implicit representations into 4D space, it is still a great challenge in two respects, i.e. how…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Jiapeng Tang , Dan Xu , Kui Jia , Lei Zhang

Recent development of neural implicit function has shown tremendous success on high-quality 3D shape reconstruction. However, most works divide the space into inside and outside of the shape, which limits their representing power to…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Jianglong Ye , Yuntao Chen , Naiyan Wang , Xiaolong Wang

This paper investigates the temporal evolution of high-speed compressible fluids in irregular flow fields using the Fourier Neural Operator (FNO). We reconstruct the irregular flow field point set into sequential format compatible with FNO…

流体动力学 · 物理学 2026-01-06 Yifan Nie , Qiaoxin Li

We combine confocal imaging, microfluidics and image analysis to record 3D-images of cells in flow. This enables us to recover the full 3D representation of several hundred living cells per minute. Whereas 3D confocal imaging has thus far…

流体动力学 · 物理学 2017-09-19 S. Quint , A. F. Christ , A. Guckenberger , S. Himbert , L. Kaestner , S. Gekle , C. Wagner

Infrared human action recognition has many advantages, i.e., it is insensitive to illumination change, appearance variability, and shadows. Existing methods for infrared action recognition are either based on spatial or local temporal…

计算机视觉与模式识别 · 计算机科学 2019-09-19 Yang Liu , Zhaoyang Lu , Jing Li , Tao Yang , Chao Yao

We propose the first approach to the problem of inferring the depth map of a human hand based on a single RGB image. We achieve this with a Convolutional Neural Network (CNN) that employs a stacked hourglass model as its main building…

计算机视觉与模式识别 · 计算机科学 2018-12-07 Vassilis C. Nicodemou , Iason Oikonomidis , Georgios Tzimiropoulos , Antonis Argyros

This paper deals with the problem of 3D tracking, i.e., to find dense correspondences in a sequence of time-varying 3D shapes. Despite deep learning approaches have achieved promising performance for pairwise dense 3D shapes matching, it is…

计算机视觉与模式识别 · 计算机科学 2020-06-25 Shuaihang Yuan , Xiang Li , Yi Fang

3D hand pose estimation from a single depth image plays an important role in computer vision and human-computer interaction. Although recent hand pose estimation methods using convolution neural network (CNN) have shown notable improvements…

计算机视觉与模式识别 · 计算机科学 2020-08-28 Cheol-hwan Yoo , Seo-won Ji , Yong-goo Shin , Seung-wook Kim , Sung-jea Ko

Transformer models have demonstrated remarkable success in many domains such as natural language processing (NLP) and computer vision. With the growing interest in transformer-based architectures, they are now utilized for gesture…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Mallika Garg , Debashis Ghosh , Pyari Mohan Pradhan

3D representation and reconstruction of human bodies have been studied for a long time in computer vision. Traditional methods rely mostly on parametric statistical linear models, limiting the space of possible bodies to linear…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Sandro Lombardi , Bangbang Yang , Tianxing Fan , Hujun Bao , Guofeng Zhang , Marc Pollefeys , Zhaopeng Cui