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We present FITE, a First-Implicit-Then-Explicit framework for modeling human avatars in clothing. Our framework first learns implicit surface templates representing the coarse clothing topology, and then employs the templates to guide the…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Siyou Lin , Hongwen Zhang , Zerong Zheng , Ruizhi Shao , Yebin Liu

With the rapid development of machine vision technology in recent years, many researchers have begun to focus on feature compression that is better suited for machine vision tasks. The target of feature compression is deep features, which…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Lei Xiong , Xin Luo , Zihao Wang , Chaofan He , Shuyuan Zhu , Bing Zeng

Recently, regression-based methods have dominated the field of 3D human pose and shape estimation. Despite their promising results, a common issue is the misalignment between predictions and image observations, often caused by minor joint…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Tom Wehrbein , Bodo Rosenhahn , Iain Matthews , Carsten Stoll

Topological correctness is critical for segmentation of tubular structures, which pervade in biomedical images. Existing topological segmentation loss functions are primarily based on the persistent homology of the image. They match the…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Bo Wen , Haochen Zhang , Dirk-Uwe G. Bartsch , William R. Freeman , Truong Q. Nguyen , Cheolhong An

Recent learning approaches that implicitly represent surface geometry using coordinate-based neural representations have shown impressive results in the problem of multi-view 3D reconstruction. The effectiveness of these techniques is,…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Eduard Ramon , Gil Triginer , Janna Escur , Albert Pumarola , Jaime Garcia , Xavier Giro-i-Nieto , Francesc Moreno-Noguer

Recently, human pose estimation mainly focuses on how to design a more effective and better deep network structure as human features extractor, and most designed feature extraction networks only introduce the position of each anatomical…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Zhangjian Ji , Zilong Wang , Ming Zhang , Yapeng Chen , Yuhua Qian

We present a novel method to explicitly incorporate topological prior knowledge into deep learning based segmentation, which is, to our knowledge, the first work to do so. Our method uses the concept of persistent homology, a tool from…

计算机视觉与模式识别 · 计算机科学 2019-01-30 James R. Clough , Ilkay Oksuz , Nicholas Byrne , Julia A. Schnabel , Andrew P. King

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…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Yan Xia , Xiaowei Zhou , Etienne Vouga , Qixing Huang , Georgios Pavlakos

Estimating a 3D human pose has proven to be a challenging task, primarily because of the complexity of the human body joints, occlusions, and variability in lighting conditions. In this paper, we introduce a higher-order graph convolutional…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Jianning Quan , A. Ben Hamza

We propose an approach for optimizing high-quality clothed human body shapes in minutes, using multi-view posed images. While traditional neural rendering methods struggle to disentangle geometry and appearance using only rendering loss,…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Lixiang Lin , Songyou Peng , Qijun Gan , Jianke Zhu

We introduce an approach that accurately reconstructs 3D human poses and detailed 3D full-body geometric models from single images in realtime. The key idea of our approach is a novel end-to-end multi-task deep learning framework that uses…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Liguo Jiang , Miaopeng Li , Jianjie Zhang , Congyi Wang , Juntao Ye , Xinguo Liu , Jinxiang Chai

We present THUNDR, a transformer-based deep neural network methodology to reconstruct the 3d pose and shape of people, given monocular RGB images. Key to our methodology is an intermediate 3d marker representation, where we aim to combine…

计算机视觉与模式识别 · 计算机科学 2021-06-18 Mihai Zanfir , Andrei Zanfir , Eduard Gabriel Bazavan , William T. Freeman , Rahul Sukthankar , Cristian Sminchisescu

The combination of deep learning, artist-curated scans, and Implicit Functions (IF), is enabling the creation of detailed, clothed, 3D humans from images. However, existing methods are far from perfect. IF-based methods recover free-form…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Yuliang Xiu , Jinlong Yang , Xu Cao , Dimitrios Tzionas , Michael J. Black

Recovering point clouds involves the sequential process of sampling and restoration, yet existing methods struggle to effectively leverage both topological and geometric attributes. To address this, we propose an end-to-end architecture…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Kaiyue Zhou , Zelong Tan , Hongxiao Wang , Ya-Li Li , Shengjin Wang

When solving a segmentation task, shaped-base methods can be beneficial compared to pixelwise classification due to geometric understanding of the target object as shape, preventing the generation of anatomical implausible predictions in…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Ron Keuth , Mattias Heinrich

Clothes undergo complex geometric deformations, which lead to appearance changes. To edit human videos in a physically plausible way, a texture map must take into account not only the garment transformation induced by the body movements and…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Yasamin Jafarian , Tuanfeng Y. Wang , Duygu Ceylan , Jimei Yang , Nathan Carr , Yi Zhou , Hyun Soo Park

Despite recent success on 2D human pose estimation, 3D human pose estimation still remains an open problem. A key challenge is the ill-posed depth ambiguity nature. This paper presents a novel intermediate feature representation named…

计算机视觉与模式识别 · 计算机科学 2017-11-30 Qingfu Wan , Wei Zhang , Xiangyang Xue

3D reconstruction is a longstanding ill-posed problem, which has been explored for decades by the computer vision, computer graphics, and machine learning communities. Since 2015, image-based 3D reconstruction using convolutional neural…

计算机视觉与模式识别 · 计算机科学 2019-11-28 Xian-Feng Han , Hamid Laga , Mohammed Bennamoun

We study how to synthesize novel views of human body from a single image. Though recent deep learning based methods work well for rigid objects, they often fail on objects with large articulation, like human bodies. The core step of…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Hao Zhu , Hao Su , Peng Wang , Xun Cao , Ruigang Yang

We have recently seen tremendous progress in the neural advances for photo-real human modeling and rendering. However, it's still challenging to integrate them into an existing mesh-based pipeline for downstream applications. In this paper,…