English
Related papers

Related papers: LaxMotion: Rethinking Supervision Granularity for …

200 papers

We present a new self-supervised approach, SelfPose3d, for estimating 3d poses of multiple persons from multiple camera views. Unlike current state-of-the-art fully-supervised methods, our approach does not require any 2d or 3d ground-truth…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Vinkle Srivastav , Keqi Chen , Nicolas Padoy

Dynamic human rendering from video sequences has achieved remarkable progress by formulating the rendering as a mapping from static poses to human images. However, existing methods focus on the human appearance reconstruction of every…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Tao Hu , Fangzhou Hong , Ziwei Liu

Motion trajectories offer reliable references for physics-based motion learning but suffer from sparsity, particularly in regions that lack sufficient data coverage. To address this challenge, we introduce a self-supervised, structured…

Machine Learning · Computer Science 2024-02-22 Chenhao Li , Elijah Stanger-Jones , Steve Heim , Sangbae Kim

Human motion is a continuous physical process in 3D space, governed by complex dynamic and kinematic constraints. Existing methods typically represent the human pose as an abstract graph structure, neglecting the intrinsic physical…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Shuaijin Wan

We present a novel data-driven regularizer for weakly-supervised learning of 3D human pose estimation that eliminates the drift problem that affects existing approaches. We do this by moving the stereo reconstruction problem into the loss…

Computer Vision and Pattern Recognition · Computer Science 2019-09-16 Guillaume Rochette , Chris Russell , Richard Bowden

Given large amount of real photos for training, Convolutional neural network shows excellent performance on object recognition tasks. However, the process of collecting data is so tedious and the background are also limited which makes it…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Yida Wang , Weihong Deng

We propose a self-supervised method for learning motion-focused video representations. Existing approaches minimize distances between temporally augmented videos, which maintain high spatial similarity. We instead propose to learn…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Fida Mohammad Thoker , Hazel Doughty , Cees Snoek

Generating realistic human geometry animations remains a challenging task, as it requires modeling natural clothing dynamics with fine-grained geometric details under limited data. To address these challenges, we propose two novel designs.…

Graphics · Computer Science 2025-12-09 Xiangjun Tang , Biao Zhang , Peter Wonka

In this paper, we present a novel framework designed to reconstruct long-sequence 3D human motion in the world coordinates from in-the-wild videos with multiple shot transitions. Such long-sequence in-the-wild motions are highly valuable to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Yuhong Zhang , Guanlin Wu , Ling-Hao Chen , Zhuokai Zhao , Jing Lin , Xiaoke Jiang , Jiamin Wu , Zhuoheng Li , Hao Frank Yang , Haoqian Wang , Lei Zhang

Generalized feed-forward Gaussian models have achieved significant progress in sparse-view 3D reconstruction by leveraging prior knowledge from large multi-view datasets. However, these models often struggle to represent high-frequency…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Seungtae Nam , Xiangyu Sun , Gyeongjin Kang , Younggeun Lee , Seungjun Oh , Eunbyung Park

The Dense Trajectories concept is one of the most successful approaches in action recognition, suitable for scenarios involving a significant amount of motion. However, due to noise and background motion, many generated trajectories are…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Konstantinos Papadopoulos , Girum Demisse , Enjie Ghorbel , Michel Antunes , Djamila Aouada , Björn Ottersten

A natural approach to generative modeling of videos is to represent them as a composition of moving objects. Recent works model a set of 2D sprites over a slowly-varying background, but without considering the underlying 3D scene that gives…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Paul Henderson , Christoph H. Lampert

Generative modeling of human motion has broad applications in computer animation, virtual reality, and robotics. Conventional approaches develop separate models for different motion synthesis tasks, and typically use a model of a small size…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Jianxin Ma , Shuai Bai , Chang Zhou

We present a generative approach to forecast long-term future human behavior in 3D, requiring only weak supervision from readily available 2D human action data. This is a fundamental task enabling many downstream applications. The required…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 Christian Diller , Thomas Funkhouser , Angela Dai

The so-called factorization methods recover 3-D rigid structure from motion by factorizing an observation matrix that collects 2-D projections of features. These methods became popular due to their robustness - they use a large number of…

Computer Vision and Pattern Recognition · Computer Science 2010-10-20 Pedro M. Q. Aguiar , Rui F. C. Guerreiro , Bruno B. Gonçalves

Our work learns a unified model for single-view 3D reconstruction of objects from hundreds of semantic categories. As a scalable alternative to direct 3D supervision, our work relies on segmented image collections for learning 3D of generic…

Computer Vision and Pattern Recognition · Computer Science 2022-04-08 Kalyan Vasudev Alwala , Abhinav Gupta , Shubham Tulsiani

Action recognition is a relatively established task, where givenan input sequence of human motion, the goal is to predict its ac-tion category. This paper, on the other hand, considers a relativelynew problem, which could be thought of as…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 Chuan Guo , Xinxin Zuo , Sen Wang , Shihao Zou , Qingyao Sun , Annan Deng , Minglun Gong , Li Cheng

Modern learning-based approaches to 3D-aware image synthesis achieve high photorealism and 3D-consistent viewpoint changes for the generated images. Existing approaches represent instances in a shared canonical space. However, for…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Katja Schwarz , Seung Wook Kim , Jun Gao , Sanja Fidler , Andreas Geiger , Karsten Kreis

Estimating 3D motion from 2D observations is a long-standing research challenge. Prior work typically requires training on datasets containing ground truth 3D motions, limiting their applicability to activities well-represented in existing…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Jiaman Li , C. Karen Liu , Jiajun Wu

Human motion stylization aims to revise the style of an input motion while keeping its content unaltered. Unlike existing works that operate directly in pose space, we leverage the latent space of pretrained autoencoders as a more…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Chuan Guo , Yuxuan Mu , Xinxin Zuo , Peng Dai , Youliang Yan , Juwei Lu , Li Cheng