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Recovering a textured 3D mesh from a monocular image is highly challenging, particularly for in-the-wild objects that lack 3D ground truths. In this work, we present MeshInversion, a novel framework to improve the reconstruction by…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Junzhe Zhang , Daxuan Ren , Zhongang Cai , Chai Kiat Yeo , Bo Dai , Chen Change Loy

Exploiting relations among 2D joints plays a crucial role yet remains semi-developed in 2D-to-3D pose estimation. To alleviate this issue, we propose GraFormer, a novel transformer architecture combined with graph convolution for 3D pose…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Weixi Zhao , Yunjie Tian , Qixiang Ye , Jianbin Jiao , Weiqiang Wang

This paper addresses the problem of 3D human pose and shape estimation from a single image. Previous approaches consider a parametric model of the human body, SMPL, and attempt to regress the model parameters that give rise to a mesh…

计算机视觉与模式识别 · 计算机科学 2019-05-09 Nikos Kolotouros , Georgios Pavlakos , Kostas Daniilidis

We propose a novel method for joint estimation of shape and pose of rigid objects from their sequentially observed RGB-D images. In sharp contrast to past approaches that rely on complex non-linear optimization, we propose to formulate it…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Yuta Yoshitake , Mai Nishimura , Shohei Nobuhara , Ko Nishino

We present the first method that automatically transfers poses between stylized 3D characters without skeletal rigging. In contrast to previous attempts to learn pose transformations on fixed or topology-equivalent skeleton templates, our…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Zhouyingcheng Liao , Jimei Yang , Jun Saito , Gerard Pons-Moll , Yang Zhou

Most invariance-based self-supervised methods rely on single object-centric images (e.g., ImageNet images) for pretraining, learning features that invariant to geometric transformation. However, when images are not object-centric, the…

计算机视觉与模式识别 · 计算机科学 2023-05-18 Taeho Kim , Jong-Min Lee

We introduce MeshGPT, a new approach for generating triangle meshes that reflects the compactness typical of artist-created meshes, in contrast to dense triangle meshes extracted by iso-surfacing methods from neural fields. Inspired by…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Yawar Siddiqui , Antonio Alliegro , Alexey Artemov , Tatiana Tommasi , Daniele Sirigatti , Vladislav Rosov , Angela Dai , Matthias Nießner

We present a self-supervised learning algorithm for 3D human pose estimation of a single person based on a multiple-view camera system and 2D body pose estimates for each view. To train our model, represented by a deep neural network, we…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Arij Bouazizi , Julian Wiederer , Ulrich Kressel , Vasileios Belagiannis

Manual annotation of large-scale point cloud dataset for varying tasks such as 3D object classification, segmentation and detection is often laborious owing to the irregular structure of point clouds. Self-supervised learning, which…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Mohamed Afham , Isuru Dissanayake , Dinithi Dissanayake , Amaya Dharmasiri , Kanchana Thilakarathna , Ranga Rodrigo

Mesh denoising, aimed at removing noise from input meshes while preserving their feature structures, is a practical yet challenging task. Despite the remarkable progress in learning-based mesh denoising methodologies in recent years, their…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Wenbo Zhao , Xianming Liu , Deming Zhai , Junjun Jiang , Xiangyang Ji

Unsupervised image-to-image translation aims at learning a mapping between two visual domains. However, learning a translation across large geometry variations always ends up with failure. In this work, we present a novel…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Wayne Wu , Kaidi Cao , Cheng Li , Chen Qian , Chen Change Loy

The matching of 3D shapes has been extensively studied for shapes represented as surface meshes, as well as for shapes represented as point clouds. While point clouds are a common representation of raw real-world 3D data (e.g. from laser…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Dongliang Cao , Florian Bernard

Neural implicit representations, including Neural Distance Fields and Neural Radiance Fields, have demonstrated significant capabilities for reconstructing surfaces with complicated geometry and topology, and generating novel views of a…

图形学 · 计算机科学 2024-02-08 Lin Gao , Jie Yang , Bo-Tao Zhang , Jia-Mu Sun , Yu-Jie Yuan , Hongbo Fu , Yu-Kun Lai

Monocular estimation of 3d human pose has attracted increased attention with the availability of large ground-truth motion capture datasets. However, the diversity of training data available is limited and it is not clear to what extent…

计算机视觉与模式识别 · 计算机科学 2020-04-08 Zhe Wang , Daeyun Shin , Charless C. Fowlkes

This paper presents Volumetric Transformer Pose estimator (VTP), the first 3D volumetric transformer framework for multi-view multi-person 3D human pose estimation. VTP aggregates features from 2D keypoints in all camera views and directly…

计算机视觉与模式识别 · 计算机科学 2023-08-07 Yuxing Chen , Renshu Gu , Ouhan Huang , Gangyong Jia

Motivated by the need for estimating the 3D pose of arbitrary objects, we consider the challenging problem of class-agnostic object viewpoint estimation from images only, without CAD model knowledge. The idea is to leverage features learned…

计算机视觉与模式识别 · 计算机科学 2021-10-28 Yang Xiao , Yuming Du , Renaud Marlet

Understanding the geometry and pose of objects in 2D images is a fundamental necessity for a wide range of real world applications. Driven by deep neural networks, recent methods have brought significant improvements to object pose…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Jogendra Nath Kundu , Rahul M. V. , Aditya Ganeshan , R. Venkatesh Babu

LiDAR-based 3D detection has made great progress in recent years. However, the performance of 3D detectors is considerably limited when deployed in unseen environments, owing to the severe domain gap problem. Existing domain adaptive 3D…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Ziyu Li , Jingming Guo , Tongtong Cao , Liu Bingbing , Wankou Yang

A key technical challenge in performing 6D object pose estimation from RGB-D image is to fully leverage the two complementary data sources. Prior works either extract information from the RGB image and depth separately or use costly…

计算机视觉与模式识别 · 计算机科学 2019-01-16 Chen Wang , Danfei Xu , Yuke Zhu , Roberto Martín-Martín , Cewu Lu , Li Fei-Fei , Silvio Savarese

3D Gaussian Splatting (3DGS) has recently emerged as a powerful scene representation and is increasingly used for visual localization and pose refinement. However, despite its high-quality differentiable rendering, the robustness of…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Mangyu Kong , Jaewon Lee , Seongwon Lee , Euntai Kim