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Monocular 3D human pose and shape estimation is challenging due to the many degrees of freedom of the human body and thedifficulty to acquire training data for large-scale supervised learning in complex visual scenes. In this paper we…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Andrei Zanfir , Eduard Gabriel Bazavan , Hongyi Xu , Bill Freeman , Rahul Sukthankar , Cristian Sminchisescu

Recent advances in differentiable rendering have enabled high-quality reconstruction of 3D scenes from multi-view images. Most methods rely on simple rendering algorithms: pre-filtered direct lighting or learned representations of…

图形学 · 计算机科学 2022-10-05 Jon Hasselgren , Nikolai Hofmann , Jacob Munkberg

In this paper, we are tackling the weakly-supervised referring expression grounding task, for the localization of a referent object in an image according to a query sentence, where the mapping between image regions and queries are not…

计算机视觉与模式识别 · 计算机科学 2021-06-09 Mingjie Sun , Jimin Xiao , Eng Gee Lim , Si Liu , John Y. Goulermas

Acquiring the virtual equivalent of exhibits, such as sculptures, in virtual reality (VR) museums, can be labour-intensive and sometimes infeasible. Deep learning based 3D reconstruction approaches allow us to recover 3D shapes from 2D…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Ziyi Chang , George Alex Koulieris , Hubert P. H. Shum

Accurately estimating the pose of an object is a crucial task in computer vision and robotics. There are two main deep learning approaches for this: geometric representation regression and iterative refinement. However, these methods have…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Jaewoo Park , Jaeguk Kim , Nam Ik Cho

With increasing focus on augmented and virtual reality applications (XR) comes the demand for algorithms that can lift objects from images and videos into representations that are suitable for a wide variety of related 3D tasks. Large-scale…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Felix Wimbauer , Shangzhe Wu , Christian Rupprecht

3D shape completion for real data is important but challenging, since partial point clouds acquired by real-world sensors are usually sparse, noisy and unaligned. Different from previous methods, we address the problem of learning 3D…

计算机视觉与模式识别 · 计算机科学 2020-08-21 Jiayuan Gu , Wei-Chiu Ma , Sivabalan Manivasagam , Wenyuan Zeng , Zihao Wang , Yuwen Xiong , Hao Su , Raquel Urtasun

Real-time 3D reconstruction enables fast dense mapping of the environment which benefits numerous applications, such as navigation or live evaluation of an emergency. In contrast to most real-time capable approaches, our approach does not…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Max Hermann , Boitumelo Ruf , Martin Weinmann

Learning 3D shape representation with dense correspondence for deformable objects is a fundamental problem in computer vision. Existing approaches often need additional annotations of specific semantic domain, e.g., skeleton poses for human…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Baowen Zhang , Jiahe Li , Xiaoming Deng , Yinda Zhang , Cuixia Ma , Hongan Wang

Establishing dense correspondences across image pairs is essential for tasks such as shape reconstruction and robot manipulation. In the challenging setting of matching across different categories, the function of an object, i.e., the…

计算机视觉与模式识别 · 计算机科学 2025-09-05 Stefan Stojanov , Linan Zhao , Yunzhi Zhang , Daniel L. K. Yamins , Jiajun Wu

This paper addresses the problem of reconstructing the surface shape of transparent objects. The difficulty of this problem originates from the viewpoint dependent appearance of a transparent object, which quickly makes reconstruction…

图像与视频处理 · 电气工程与系统科学 2021-05-24 Kai Han , Kwan-Yee K. Wong , Miaomiao Liu

Objects moving at high speed appear significantly blurred when captured with cameras. The blurry appearance is especially ambiguous when the object has complex shape or texture. In such cases, classical methods, or even humans, are unable…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Denys Rozumnyi , Martin R. Oswald , Vittorio Ferrari , Jiri Matas , Marc Pollefeys

Determining the shape of 3D objects from high-frequency radar signals is analytically complex but critical for commercial and aerospace applications. Previous deep learning methods have been applied to radar modeling; however, they often…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Neel Sortur , Justin Goodwin , Purvik Patel , Luis Enrique Martinez , Tzofi Klinghoffer , Rajmonda S. Caceres , Robin Walters

Dense 3D reconstruction and ego-motion estimation are key challenges in autonomous driving and robotics. Compared to the complex, multi-modal systems deployed today, multi-camera systems provide a simpler, low-cost alternative. However,…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Aron Schmied , Tobias Fischer , Martin Danelljan , Marc Pollefeys , Fisher Yu

3D reconstruction garners increasing attention alongside the advancement of high-level image applications, where dense stereo matching (DSM) serves as a pivotal technique. Previous studies often rely on publicly available datasets for…

图像与视频处理 · 电气工程与系统科学 2025-04-18 Kai Yang , Zijian Bai , Yang Xiao , Xinyu Li , Xiaohan Shi

Recent advances in diffusion models have spurred research into their application for Reconstruction-based unsupervised anomaly detection. However, these methods may struggle with maintaining structural integrity and recovering the…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Farzad Beizaee , Gregory A. Lodygensky , Christian Desrosiers , Jose Dolz

Accurate modelling of object deformations is crucial for a wide range of robotic manipulation tasks, where interacting with soft or deformable objects is essential. Current methods struggle to generalise to unseen forces or adapt to new…

机器人学 · 计算机科学 2025-05-20 Sean M. V. Collins , Brendan Tidd , Mahsa Baktashmotlagh , Peyman Moghadam

In recent times, object detection and pose estimation have gained significant attention in the context of robotic vision applications. Both the identification of objects of interest as well as the estimation of their pose remain important…

机器人学 · 计算机科学 2021-01-20 S. K. Paul , M. T. Chowdhury , M. Nicolescu , M. Nicolescu

While data has certainly taken the center stage in computer vision in recent years, it can still be difficult to obtain in certain scenarios. In particular, acquiring ground truth 3D shapes of objects pictured in 2D images remains a…

计算机视觉与模式识别 · 计算机科学 2016-08-02 Joao Carreira , Sara Vicente , Lourdes Agapito , Jorge Batista

Three-Dimensional (3D) dense captioning is an emerging vision-language bridging task that aims to generate multiple detailed and accurate descriptions for 3D scenes. It presents significant potential and challenges due to its closer…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Ting Yu , Xiaojun Lin , Shuhui Wang , Weiguo Sheng , Qingming Huang , Jun Yu