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Neural reconstruction models for autonomous driving simulation have made significant strides in recent years, with dynamic models becoming increasingly prevalent. However, these models are typically limited to handling in-domain objects…

We propose LookinGood^{\pi}, a novel neural re-rendering approach that is aimed to (1) improve the rendering quality of the low-quality reconstructed results from human performance capture system in real-time; (2) improve the generalization…

Computer Vision and Pattern Recognition · Computer Science 2023-02-17 Xiqi Yang , Kewei Yang , Kang Chen , Weidong Zhang , Weiwei Xu

Realistic and smooth full-body tracking is crucial for immersive AR/VR applications. Existing systems primarily track head and hands via Head Mounted Devices (HMDs) and controllers, making the 3D full-body reconstruction in-complete. One…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Sinan Mutlu , Georgios F. Angelis , Savas Ozkan , Paul Wisbey , Anastasios Drosou , Mete Ozay

Neural Radiance Fields (NeRF) have shown remarkable performance in neural rendering-based novel view synthesis. However, NeRF suffers from severe visual quality degradation when the input images have been captured under imperfect…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Byeonghyeon Lee , Howoong Lee , Usman Ali , Eunbyung Park

We present DiffHuman, a probabilistic method for photorealistic 3D human reconstruction from a single RGB image. Despite the ill-posed nature of this problem, most methods are deterministic and output a single solution, often resulting in a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Akash Sengupta , Thiemo Alldieck , Nikos Kolotouros , Enric Corona , Andrei Zanfir , Cristian Sminchisescu

Few-shot Learning aims to learn and distinguish new categories with a very limited number of available images, presenting a significant challenge in the realm of deep learning. Recent researchers have sought to leverage the additional…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Chunpeng Zhou , Haishuai Wang , Xilu Yuan , Zhi Yu , Jiajun Bu

Novel view synthesis refers to the problem of synthesizing novel viewpoints of a scene given the images from a few viewpoints. This is a fundamental problem in computer vision and graphics, and enables a vast variety of applications such as…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Nagabhushan Somraj

In this paper, we propose HeadNeRF, a novel NeRF-based parametric head model that integrates the neural radiance field to the parametric representation of the human head. It can render high fidelity head images in real-time on modern GPUs,…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Yang Hong , Bo Peng , Haiyao Xiao , Ligang Liu , Juyong Zhang

3D understanding and rendering of moving humans from monocular videos is a challenging task. Despite recent progress, the task remains difficult in real-world scenarios, where obstacles may block the camera view and cause partial occlusions…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Tiange Xiang , Adam Sun , Jiajun Wu , Ehsan Adeli , Li Fei-Fei

Although synthetic training data has been shown to be beneficial for tasks such as human pose estimation, its use for RGB human action recognition is relatively unexplored. Our goal in this work is to answer the question whether synthetic…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Gül Varol , Ivan Laptev , Cordelia Schmid , Andrew Zisserman

Deep neural networks (DNNs) that tackle the time series classification (TSC) task have provided a promising framework in signal processing. In real-world applications, as a data-driven model, DNNs are suffered from insufficient data.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Hao Zhang , Zhendong Pang , Jiangpeng Wang , Teng Li

Realistic and diverse 3D shape generation is helpful for a wide variety of applications such as virtual reality, gaming, and animation. Modern generative models, such as GANs and diffusion models, learn from large-scale datasets and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Jingyuan Zhu , Huimin Ma , Jiansheng Chen , Jian Yuan

We propose DeepMultiCap, a novel method for multi-person performance capture using sparse multi-view cameras. Our method can capture time varying surface details without the need of using pre-scanned template models. To tackle with the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Yang Zheng , Ruizhi Shao , Yuxiang Zhang , Tao Yu , Zerong Zheng , Qionghai Dai , Yebin Liu

The field of 3D reconstruction from images has rapidly evolved in the past few years, first with the introduction of Neural Radiance Field (NeRF) and more recently with 3D Gaussian Splatting (3DGS). The latter provides a significant edge…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Avinash Paliwal , Wei Ye , Jinhui Xiong , Dmytro Kotovenko , Rakesh Ranjan , Vikas Chandra , Nima Khademi Kalantari

Neural implicit representation of visual scenes has attracted a lot of attention in recent research of computer vision and graphics. Most prior methods focus on how to reconstruct 3D scene representation from a set of images. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Wenpu Li , Pian Wan , Peng Wang , Jinghang Li , Yi Zhou , Peidong Liu

Event camera, as an asynchronous vision sensor capturing scene dynamics, presents new opportunities for highly efficient 3D human pose tracking. Existing approaches typically adopt modern-day Artificial Neural Networks (ANNs), such as CNNs…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Shihao Zou , Yuxuan Mu , Wei Ji , Zi-An Wang , Xinxin Zuo , Sen Wang , Weixin Si , Li Cheng

We introduce a free-viewpoint rendering method -- HumanNeRF -- that works on a given monocular video of a human performing complex body motions, e.g. a video from YouTube. Our method enables pausing the video at any frame and rendering the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Chung-Yi Weng , Brian Curless , Pratul P. Srinivasan , Jonathan T. Barron , Ira Kemelmacher-Shlizerman

We propose to combine recent Convolutional Neural Networks (CNN) models with depth imaging to obtain a reliable and fast multi-person pose estimation algorithm applicable to Human Robot Interaction (HRI) scenarios. Our hypothesis is that…

Computer Vision and Pattern Recognition · Computer Science 2019-10-31 Angel Martínez-González , Michael Villamizar , Olivier Canévet , Jean-Marc Odobez

This paper introduces a method based on a deep neural network (DNN) that is perfectly capable of processing radar data from extremely thinned radar apertures. The proposed DNN processing can provide both aliasing-free radar imaging and…

Signal Processing · Electrical Eng. & Systems 2023-07-12 Christian Schuessler , Marcel Hoffmann , Martin Vossiek

In this work, we introduce FourieRF, a novel approach for achieving fast and high-quality reconstruction in the few-shot setting. Our method effectively parameterizes features through an explicit curriculum training procedure, incrementally…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Diego Gomez , Bingchen Gong , Maks Ovsjanikov