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With the advent of Neural Radiance Field (NeRF), representing 3D scenes through multiple observations has shown remarkable improvements in performance. Since this cutting-edge technique is able to obtain high-resolution renderings by…

Robotics · Computer Science 2023-09-18 Minjae Lee , Kyeongsu Kang , Hyeonwoo Yu

Human pose capture is essential for sports analysis, enabling precise evaluation of athletes' movements. While deep learning-based human pose estimation (HPE) models from RGB videos have achieved impressive performance on public datasets,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Qi Gan , Sao Mai Nguyen , Eric Fenaux , Stephan Clémençon , Mounîm El Yacoubi

Compared to frame-based methods, computational neuromorphic imaging using event cameras offers significant advantages, such as minimal motion blur, enhanced temporal resolution, and high dynamic range. The multi-view consistency of Neural…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Chaoran Feng , Wangbo Yu , Xinhua Cheng , Zhenyu Tang , Junwu Zhang , Li Yuan , Yonghong Tian

Person recognition methods that use multiple body regions have shown significant improvements over traditional face-based recognition. One of the primary challenges in full-body person recognition is the extreme variation in pose and view…

Computer Vision and Pattern Recognition · Computer Science 2017-05-30 Vijay Kumar , Anoop Namboodiri , Manohar Paluri , C V Jawahar

We introduce InverseFaceNet, a deep convolutional inverse rendering framework for faces that jointly estimates facial pose, shape, expression, reflectance and illumination from a single input image. By estimating all parameters from just a…

Computer Vision and Pattern Recognition · Computer Science 2018-05-17 Hyeongwoo Kim , Michael Zollhöfer , Ayush Tewari , Justus Thies , Christian Richardt , Christian Theobalt

We propose a method for human pose estimation based on Deep Neural Networks (DNNs). The pose estimation is formulated as a DNN-based regression problem towards body joints. We present a cascade of such DNN regressors which results in high…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Alexander Toshev , Christian Szegedy

We present MVSNeRF, a novel neural rendering approach that can efficiently reconstruct neural radiance fields for view synthesis. Unlike prior works on neural radiance fields that consider per-scene optimization on densely captured images,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Anpei Chen , Zexiang Xu , Fuqiang Zhao , Xiaoshuai Zhang , Fanbo Xiang , Jingyi Yu , Hao Su

Recent approaches to render photorealistic views from a limited set of photographs have pushed the boundaries of our interactions with pictures of static scenes. The ability to recreate moments, that is, time-varying sequences, is perhaps…

Computer Vision and Pattern Recognition · Computer Science 2021-05-14 Chaoyang Wang , Ben Eckart , Simon Lucey , Orazio Gallo

Great progress has been made in 3D body pose and shape estimation from a single photo. Yet, state-of-the-art results still suffer from errors due to challenging body poses, modeling clothing, and self occlusions. The domain of basketball…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Luyang Zhu , Konstantinos Rematas , Brian Curless , Steve Seitz , Ira Kemelmacher-Shlizerman

We present a method for automatically modifying a NeRF representation based on a single observation of a non-rigid transformed version of the original scene. Our method defines the transformation as a 3D flow, specifically as a weighted…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Zhenggang Tang , Zhongzheng Ren , Xiaoming Zhao , Bowen Wen , Jonathan Tremblay , Stan Birchfield , Alexander Schwing

This paper addresses the problem of human rendering in the video with temporal appearance constancy. Reconstructing dynamic body shapes with volumetric neural rendering methods, such as NeRF, requires finding the correspondence of the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Haidong Zhu , Zhaoheng Zheng , Wanrong Zheng , Ram Nevatia

3D face reconstruction is an important task in the field of computer vision. Although 3D face reconstruction has being developing rapidly in recent years, it is still a challenge for face reconstruction under large pose. That is because…

Computer Vision and Pattern Recognition · Computer Science 2018-11-14 Lei Jiang , XiaoJun Wu , Josef Kittler

We present a new approach for synthesizing novel views of people in new poses. Our novel differentiable renderer enables the synthesis of highly realistic images from any viewpoint. Rather than operating over mesh-based structures, our…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Guillaume Rochette , Chris Russell , Richard Bowden

Neural radiance fields provide state-of-the-art view synthesis quality but tend to be slow to render. One reason is that they make use of volume rendering, thus requiring many samples (and model queries) per ray at render time. Although…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Haithem Turki , Vasu Agrawal , Samuel Rota Bulò , Lorenzo Porzi , Peter Kontschieder , Deva Ramanan , Michael Zollhöfer , Christian Richardt

Obtaining high-quality 3D reconstructions of room-scale scenes is of paramount importance for upcoming applications in AR or VR. These range from mixed reality applications for teleconferencing, virtual measuring, virtual room planing, to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Dejan Azinović , Ricardo Martin-Brualla , Dan B Goldman , Matthias Nießner , Justus Thies

Recently customized generation has significant potential, which uses as few as 3-5 user-provided images to train a model to synthesize new images of a specified subject. Though subsequent applications enhance the flexibility and diversity…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Tianchu Guo , Pengyu Li , Biao Wang , Xiansheng Hua

Recent works on dynamic 3D neural field reconstruction assume the input from synchronized multi-view videos whose poses are known. The input constraints are often not satisfied in real-world setups, making the approach impractical. We show…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Changwoon Choi , Jeongjun Kim , Geonho Cha , Minkwan Kim , Dongyoon Wee , Young Min Kim

Person re identification is a challenging retrieval task that requires matching a person's acquired image across non overlapping camera views. In this paper we propose an effective approach that incorporates both the fine and coarse pose…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 M. Saquib Sarfraz , Arne Schumann , Andreas Eberle , Rainer Stiefelhagen

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…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Yuta Yoshitake , Mai Nishimura , Shohei Nobuhara , Ko Nishino

Reconstructing the 3D pose of a person in metric scale from a single view image is a geometrically ill-posed problem. For example, we can not measure the exact distance of a person to the camera from a single view image without additional…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Zhijian Yang , Xiaoran Fan , Volkan Isler , Hyun Soo Park