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In this paper, we present a solution for arbitrary 3D character deformation by investigating rotation angle of decomposition and preserving the mesh topology structure. In computer graphics, skeleton extraction and skeleton-driven animation…

Computer Vision and Pattern Recognition · Computer Science 2016-08-18 Hugo Martin , Raphael Fernandez , Yong Khoo

Despite the growing accessibility of skeletal motion data, integrating it for animating character meshes remains challenging due to diverse configurations of both skeletons and meshes. Specifically, the body scale and bone lengths of the…

Graphics · Computer Science 2025-03-19 Seokhyeon Hong , Soojin Choi , Chaelin Kim , Sihun Cha , Junyong Noh

Given a single image of a general object such as a chair, could we also restore its articulated 3D shape similar to human modeling, so as to animate its plausible articulations and diverse motions? This is an interesting new question that…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Ji Yang , Xinxin Zuo , Sen Wang , Zhenbo Yu , Xingyu Li , Bingbing Ni , Minglun Gong , Li Cheng

We present a learning method for predicting animation skeletons for input 3D models of articulated characters. In contrast to previous approaches that fit pre-defined skeleton templates or predict fixed sets of joints, our method produces…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Zhan Xu , Yang Zhou , Evangelos Kalogerakis , Karan Singh

Markerless motion capture algorithms require a 3D body with properly personalized skeleton dimension and/or body shape and appearance to successfully track a person. Unfortunately, many tracking methods consider model personalization a…

Computer Vision and Pattern Recognition · Computer Science 2016-10-24 Helge Rhodin , Nadia Robertini , Dan Casas , Christian Richardt , Hans-Peter Seidel , Christian Theobalt

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…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Zhouyingcheng Liao , Jimei Yang , Jun Saito , Gerard Pons-Moll , Yang Zhou

The latest advances in computer-assisted precision medicine are making it feasible to move from population-wide models that are useful to discover aggregate patterns that hold for group-based analysis to patient-specific models that can…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Da Ma , Vincent Chow , Karteek Popuri , Mirza Faisal Beg

Skeleton creation is an important phase in the character animation pipeline. However, handcrafting skeleton takes extensive labor time and domain knowledge. Automatic skeletonization provides a solution. However, most of the current…

Graphics · Computer Science 2021-10-13 Jing Ma , Jin Wang , Jituo Li , Dongliang Zhang

In this paper, we introduce a method for reconstructing 3D humans from a single image using a biomechanically accurate skeleton model. To achieve this, we train a transformer that takes an image as input and estimates the parameters of the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Yan Xia , Xiaowei Zhou , Etienne Vouga , Qixing Huang , Georgios Pavlakos

We address the problem of inferring the anatomic skeleton of a person, in an arbitrary pose, from the 3D surface of the body; i.e. we predict the inside (bones) from the outside (skin). This has many applications in medicine and…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Marilyn Keller , Silvia Zuffi , Michael J. Black , Sergi Pujades

This paper presents a novel framework to recover detailed human body shapes from a single image. It is a challenging task due to factors such as variations in human shapes, body poses, and viewpoints. Prior methods typically attempt to…

Computer Vision and Pattern Recognition · Computer Science 2019-05-14 Hao Zhu , Xinxin Zuo , Sen Wang , Xun Cao , Ruigang Yang

Sculptors often deviate from geometric accuracy in order to enhance the appearance of their sculpture. These subtle stylizations may emphasize anatomy, draw the viewer's focus to characteristic features of the subject, or symbolize textures…

Graphics · Computer Science 2015-02-09 Jan Jachnik , Dan B Goldman , Linjie Luo , Andrew J. Davison

We present RigNet, an end-to-end automated method for producing animation rigs from input character models. Given an input 3D model representing an articulated character, RigNet predicts a skeleton that matches the animator expectations in…

Graphics · Computer Science 2020-07-07 Zhan Xu , Yang Zhou , Evangelos Kalogerakis , Chris Landreth , Karan Singh

Animating a newly designed character using motion capture (mocap) data is a long standing problem in computer animation. A key consideration is the skeletal structure that should correspond to the available mocap data, and the shape…

Graphics · Computer Science 2021-05-07 Peizhuo Li , Kfir Aberman , Rana Hanocka , Libin Liu , Olga Sorkine-Hornung , Baoquan Chen

This work describes a novel methodology for automatic contour extraction from 2D images of 3D neurons (e.g. camera lucida images and other types of 2D microscopy). Most contour-based shape analysis methods can not be used to characterize…

Computer Vision and Pattern Recognition · Computer Science 2008-10-24 J. J. G. Leandro , R. M. Cesar , L. da F. Costa

In this paper, we define and study a new Cloth2Body problem which has a goal of generating 3D human body meshes from a 2D clothing image. Unlike the existing human mesh recovery problem, Cloth2Body needs to address new and emerging…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Lu Dai , Liqian Ma , Shenhan Qian , Hao Liu , Ziwei Liu , Hui Xiong

Modern approaches to pose and body shape estimation have recently achieved strong performance even under challenging real-world conditions. Even from a single image of a clothed person, a realistic looking body shape can be inferred that…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Hosnieh Sattar , Katharina Krombholz , Gerard Pons-Moll , Mario Fritz

Reshaping accurate and realistic 3D human bodies from anthropometric parameters (e.g., height, chest size, etc.) poses a fundamental challenge for person identification, online shopping and virtual reality. Existing approaches for creating…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Yanhong Zeng , Jianlong Fu , Hongyang Chao

Decomposing a point cloud into its components and extracting curve skeletons from point clouds are two related problems. Decomposition of a shape into its components is often obtained as a byproduct of skeleton extraction. In this work, we…

Graphics · Computer Science 2019-12-30 Vijai Jayadevan , Edward Delp , Zygmunt Pizlo

We describe an end-to-end method for recovering 3D human body mesh from single images and monocular videos. Different from the existing methods try to obtain all the complex 3D pose, shape, and camera parameters from one coupling feature,…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Sun Yu , Ye Yun , Liu Wu , Gao Wenpeng , Fu YiLi , Mei Tao
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