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This paper shows that it is possible to learn models for monocular 3D reconstruction of articulated objects (e.g., horses, cows, sheep), using as few as 50-150 images labeled with 2D keypoints. Our proposed approach involves training…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Anastasis Stathopoulos , Georgios Pavlakos , Ligong Han , Dimitris Metaxas

We consider the problem of predicting the 3D shape, articulation, viewpoint, texture, and lighting of an articulated animal like a horse given a single test image as input. We present a new method, dubbed MagicPony, that learns this…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Shangzhe Wu , Ruining Li , Tomas Jakab , Christian Rupprecht , Andrea Vedaldi

Animals are diverse in shape, but building a deformable shape model for a new species is not always possible due to the lack of 3D data. We present a method to capture new species using an articulated template and images of that species. In…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Yufu Wang , Nikos Kolotouros , Kostas Daniilidis , Marc Badger

Physically-based simulation is a powerful approach for 3D facial animation as the resulting deformations are governed by physical constraints, allowing to easily resolve self-collisions, respond to external forces and perform realistic…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Lingchen Yang , Gaspard Zoss , Prashanth Chandran , Markus Gross , Barbara Solenthaler , Eftychios Sifakis , Derek Bradley

The idea of 3D reconstruction as scene understanding is foundational in computer vision. Reconstructing 3D scenes from 2D visual observations requires strong priors to disambiguate structure. Much work has been focused on the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Peter Kulits , Michael J. Black , Silvia Zuffi

Accurate segmentation of topological tubular structures, such as blood vessels and roads, is crucial in various fields, ensuring accuracy and efficiency in downstream tasks. However, many factors complicate the task, including thin local…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Yaolei Qi , Yuting He , Xiaoming Qi , Yuan Zhang , Guanyu Yang

Most deep learning approaches to comprehensive semantic modeling of 3D indoor spaces require costly dense annotations in the 3D domain. In this work, we explore a central 3D scene modeling task, namely, semantic scene reconstruction without…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Junwen Huang , Alexey Artemov , Yujin Chen , Shuaifeng Zhi , Kai Xu , Matthias Nießner

3D image segmentation plays an important role in biomedical image analysis. Many 2D and 3D deep learning models have achieved state-of-the-art segmentation performance on 3D biomedical image datasets. Yet, 2D and 3D models have their own…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Hao Zheng , Yizhe Zhang , Lin Yang , Peixian Liang , Zhuo Zhao , Chaoli Wang , Danny Z. Chen

Recent advances in 3D semantic segmentation with deep neural networks have shown remarkable success, with rapid performance increase on available datasets. However, current 3D semantic segmentation benchmarks contain only a small number of…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 David Rozenberszki , Or Litany , Angela Dai

High-fidelity clothing reconstruction is the key to achieving photorealism in a wide range of applications including human digitization, virtual try-on, etc. Recent advances in learning-based approaches have accomplished unprecedented…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Heming Zhu , Yu Cao , Hang Jin , Weikai Chen , Dong Du , Zhangye Wang , Shuguang Cui , Xiaoguang Han

Head shapes play an important role in 3D character design. In this work, we propose SimpModeling, a novel sketch-based system for helping users, especially amateur users, easily model 3D animalmorphic heads - a prevalent kind of heads in…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Zhongjin Luo , Jie Zhou , Heming Zhu , Dong Du , Xiaoguang Han , Hongbo Fu

Modeling biological sequences such as DNA, RNA, and proteins is crucial for understanding complex processes like gene regulation and protein synthesis. However, most current models either focus on a single type or treat multiple types of…

Genomics · Quantitative Biology 2024-10-16 Weixi Xiang , Xueting Han , Xiujuan Chai , Jing Bai

Recovering 3D face models from 2D in-the-wild images has gained considerable attention in the computer vision community due to its wide range of potential applications. However, the lack of ground-truth labeled datasets and the complexity…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Danling Cao

Deep networks trained on millions of facial images are believed to be closely approaching human-level performance in face recognition. However, open world face recognition still remains a challenge. Although, 3D face recognition has an…

Computer Vision and Pattern Recognition · Computer Science 2020-12-03 Syed Zulqarnain Gilani , Ajmal Mian

We introduce a new problem of retrieving 3D models that are deformable to a given query shape and present a novel deep deformation-aware embedding to solve this retrieval task. 3D model retrieval is a fundamental operation for recovering a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-03 Mikaela Angelina Uy , Jingwei Huang , Minhyuk Sung , Tolga Birdal , Leonidas Guibas

Animals move in three dimensions (3D). Thus, 3D measurement is necessary to report the true kinematics of animal movement. Existing 3D measurement techniques draw on specialized hardware, such as motion capture or depth cameras, as well as…

Neurons and Cognition · Quantitative Biology 2021-12-06 Jesse D. Marshall , Tianqing Li , Joshua H. Wu , Timothy W. Dunn

3D object reconstruction from a single image is a highly under-determined problem, requiring strong prior knowledge of plausible 3D shapes. This introduces challenges for learning-based approaches, as 3D object annotations are scarce in…

Computer Vision and Pattern Recognition · Computer Science 2017-11-10 Jiajun Wu , Yifan Wang , Tianfan Xue , Xingyuan Sun , William T Freeman , Joshua B Tenenbaum

As a classic statistical model of 3D facial shape and albedo, 3D Morphable Model (3DMM) is widely used in facial analysis, e.g., model fitting, image synthesis. Conventional 3DMM is learned from a set of 3D face scans with associated…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Luan Tran , Xiaoming Liu

We introduce a new method for learning a generative model of articulated 3D animal motions from raw, unlabeled online videos. Unlike existing approaches for 3D motion synthesis, our model requires no pose annotations or parametric shape…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Keqiang Sun , Dor Litvak , Yunzhi Zhang , Hongsheng Li , Jiajun Wu , Shangzhe Wu

Transfer learning is fundamental for addressing problems in settings with little training data. While several transfer learning approaches have been proposed in 3D, unfortunately, these solutions typically operate on an entire 3D object or…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Souhaib Attaiki , Lei Li , Maks Ovsjanikov