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This paper presents a novel method for reconstructing 3D garment models from a single image of a posed user. Previous studies that have primarily focused on accurately reconstructing garment geometries to match the input garment image may…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Seungchan Lim , Sumin Kim , Sung-Hee Lee

Visual localization techniques rely upon some underlying scene representation to localize against. These representations can be explicit such as 3D SFM map or implicit, such as a neural network that learns to encode the scene. The former…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Maxime Pietrantoni , Gabriela Csurka , Martin Humenberger , Torsten Sattler

We propose a neural parameterization of convex sets by learning sublinear (positively homogeneous and convex) functions. Our networks implicitly represent both the support and gauge functions of a convex body. We prove a universal…

最优化与控制 · 数学 2026-05-06 Eloi Martinet

In recent years, implicit surface representations through neural networks that encode the signed distance have gained popularity and have achieved state-of-the-art results in various tasks (e.g. shape representation, shape reconstruction,…

图形学 · 计算机科学 2023-01-30 Petros Tzathas , Petros Maragos , Anastasios Roussos

We have recently seen great progress in building photorealistic animatable full-body codec avatars, but generating high-fidelity animation of clothing is still difficult. To address these difficulties, we propose a method to build an…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Donglai Xiang , Fabian Prada , Timur Bagautdinov , Weipeng Xu , Yuan Dong , He Wen , Jessica Hodgins , Chenglei Wu

We propose a neural network-based approach for collision detection with deformable objects. Unlike previous approaches based on bounding volume hierarchies, our neural approach does not require an update of the spatial data structure when…

图形学 · 计算机科学 2022-02-07 Ryan S. Zesch , Bethany R. Witemeyer , Ziyan Xiong , David I. W. Levin , Shinjiro Sueda

Recent success in training deep neural networks have prompted active investigation into the features learned on their intermediate layers. Such research is difficult because it requires making sense of non-linear computations performed by…

机器学习 · 计算机科学 2016-03-01 Yixuan Li , Jason Yosinski , Jeff Clune , Hod Lipson , John Hopcroft

The appearance of a human in clothing is driven not only by the pose but also by its temporal context, i.e., motion. However, such context has been largely neglected by existing monocular human modeling methods whose neural networks often…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Hansol Lee , Junuk Cha , Yunhoe Ku , Jae Shin Yoon , Seungryul Baek

Neural implicit surface representations have emerged as a promising paradigm to capture 3D shapes in a continuous and resolution-independent manner. However, adapting them to articulated shapes is non-trivial. Existing approaches learn a…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Xu Chen , Yufeng Zheng , Michael J. Black , Otmar Hilliges , Andreas Geiger

Reconstruction of human clothing is an important task and often relies on intrinsic image decomposition. With a lack of domain-specific data and coarse evaluation metrics, existing models failed to produce satisfying results for graphics…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Kuo Jiang , Zian Wang , Xiaodong Yang

We address the problem of unsupervised learning of complex articulated object models from 3D range data. We describe an algorithm whose input is a set of meshes corresponding to different configurations of an articulated object. The…

计算机视觉与模式识别 · 计算机科学 2012-07-19 Dragomir Anguelov , Daphne Koller , Hoi-Cheung Pang , Praveen Srinivasan , Sebastian Thrun

Learning the embedding space, where semantically similar objects are located close together and dissimilar objects far apart, is a cornerstone of many computer vision applications. Existing approaches usually learn a single metric in the…

计算机视觉与模式识别 · 计算机科学 2019-06-17 Artsiom Sanakoyeu , Vadim Tschernezki , Uta Büchler , Björn Ommer

Sketch-based modeling strives to bring the ease and immediacy of drawing to the 3D world. However, while drawings are easy for humans to create, they are very challenging for computers to interpret due to their sparsity and ambiguity. We…

图形学 · 计算机科学 2018-06-20 Johanna Delanoy , Mathieu Aubry , Phillip Isola , Alexei A. Efros , Adrien Bousseau

This paper presents a deep learning-based de-homogenization method for structural compliance minimization. By using a convolutional neural network to parameterize the mapping from a set of lamination parameters on a coarse mesh to a…

机器学习 · 计算机科学 2021-11-03 Martin O. Elingaard , Niels Aage , J. Andreas Bærentzen , Ole Sigmund

Recent works in implicit representations, such as Neural Radiance Fields (NeRF), have advanced the generation of realistic and animatable head avatars from video sequences. These implicit methods are still confronted by visual artifacts and…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Zicheng Zhang , Ruobing Zheng , Ziwen Liu , Congying Han , Tianqi Li , Meng Wang , Tiande Guo , Jingdong Chen , Bonan Li , Ming Yang

Cloth-Changing Person Re-Identification (CC-ReID) is a common and realistic problem since fashion constantly changes over time and people's aesthetic preferences are not set in stone. While most existing cloth-changing ReID methods focus on…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Yubin Wang , Huimin Yu , Yuming Yan , Shuyi Song , Biyang Liu , Yichong Lu

Recent advances in 3D human shape reconstruction from single images have shown impressive results, leveraging on deep networks that model the so-called implicit function to learn the occupancy status of arbitrarily dense 3D points in space.…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Nicolas Ugrinovic , Albert Pumarola , Alberto Sanfeliu , Francesc Moreno-Noguer

Mesh generation is a crucial step in numerical simulations, significantly impacting simulation accuracy and efficiency. However, generating meshes remains time-consuming and requires expensive computational resources. In this paper, we…

图形学 · 计算机科学 2024-07-03 Jiaming Peng , Xinhai Chen , Jie Liu

Embedding of large but redundant data, such as images or text, in a hierarchy of lower-dimensional spaces is one of the key features of representation learning approaches, which nowadays provide state-of-the-art solutions to problems once…

计算机视觉与模式识别 · 计算机科学 2022-06-13 Gianluca Berardi , Luca De Luigi , Samuele Salti , Luigi Di Stefano

While neural representations for static 3D shapes are widely studied, representations for deformable surfaces are limited to be template-dependent or lack efficiency. We introduce Canonical Deformation Coordinate Space (CaDeX), a unified…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Jiahui Lei , Kostas Daniilidis