Search Results for author: Weiwei Xu

Found 21 papers, 10 papers with code

Learning Human Motion from Monocular Videos via Cross-Modal Manifold Alignment

no code implementations15 Apr 2024 Shuaiying Hou, Hongyu Tao, Junheng Fang, Changqing Zou, Hujun Bao, Weiwei Xu

Learning 3D human motion from 2D inputs is a fundamental task in the realms of computer vision and computer graphics.

Text-Guided 3D Face Synthesis -- From Generation to Editing

no code implementations1 Dec 2023 Yunjie Wu, Yapeng Meng, Zhipeng Hu, Lincheng Li, Haoqian Wu, Kun Zhou, Weiwei Xu, Xin Yu

In the editing stage, we first employ a pre-trained diffusion model to update facial geometry or texture based on the texts.

Face Generation Texture Synthesis

Unsupervised Domain Adaption with Pixel-level Discriminator for Image-aware Layout Generation

no code implementations CVPR 2023 Chenchen Xu, Min Zhou, Tiezheng Ge, Yuning Jiang, Weiwei Xu

This paper focuses on using the GAN-based model conditioned on image contents to generate advertising poster graphic layouts, which requires an advertising poster layout dataset with paired product images and graphic layouts.

Domain Adaptation

Fast and Robust Non-Rigid Registration Using Accelerated Majorization-Minimization

1 code implementation7 Jun 2022 Yuxin Yao, Bailin Deng, Weiwei Xu, Juyong Zhang

In this paper, we propose a formulation for robust non-rigid registration based on a globally smooth robust norm for alignment and regularization, which can effectively handle outliers and partial overlaps.

Composition-aware Graphic Layout GAN for Visual-textual Presentation Designs

no code implementations30 Apr 2022 Min Zhou, Chenchen Xu, Ye Ma, Tiezheng Ge, Yuning Jiang, Weiwei Xu

Through both quantitative and qualitative evaluations, we demonstrate that the proposed model can synthesize high-quality graphic layouts according to image compositions.

Hybrid Mesh-neural Representation for 3D Transparent Object Reconstruction

no code implementations23 Mar 2022 Jiamin Xu, Zihan Zhu, Hujun Bao, Weiwei Xu

We propose a novel method to reconstruct the 3D shapes of transparent objects using hand-held captured images under natural light conditions.

Image Matting Object Reconstruction +1

NICE-SLAM: Neural Implicit Scalable Encoding for SLAM

1 code implementation CVPR 2022 Zihan Zhu, Songyou Peng, Viktor Larsson, Weiwei Xu, Hujun Bao, Zhaopeng Cui, Martin R. Oswald, Marc Pollefeys

Neural implicit representations have recently shown encouraging results in various domains, including promising progress in simultaneous localization and mapping (SLAM).

Simultaneous Localization and Mapping

LookinGood^π: Real-time Person-independent Neural Re-rendering for High-quality Human Performance Capture

no code implementations15 Dec 2021 Xiqi Yang, Kewei Yang, Kang Chen, Weidong Zhang, Weiwei Xu

The guidance of the rendered image is realized by blending features from two branches effectively in the training of the detail branch, which improves both the warping accuracy and the details' fidelity.

Neural Rendering

Geometry-aware Two-scale PIFu Representation for Human Reconstruction

no code implementations3 Dec 2021 Zheng Dong, Ke Xu, Ziheng Duan, Hujun Bao, Weiwei Xu, Rynson W. H. Lau

Our key idea is to exploit the complementary properties of depth denoising and 3D reconstruction, for learning a two-scale PIFu representation to reconstruct high-frequency facial details and consistent bodies separately.

3D Human Reconstruction 3D Reconstruction +3

Attention-guided Temporally Coherent Video Object Matting

1 code implementation24 May 2021 Yunke Zhang, Chi Wang, Miaomiao Cui, Peiran Ren, Xuansong Xie, Xian-Sheng Hua, Hujun Bao, QiXing Huang, Weiwei Xu

Experimental results show that our method can generate high-quality alpha mattes for various videos featuring appearance change, occlusion, and fast motion.

Image Matting Object +4

Example-based Real-time Clothing Synthesis for Virtual Agents

no code implementations8 Jan 2021 Nannan Wu, Qianwen Chao, Yanzhen Chen, Weiwei Xu, Chen Liu, Dinesh Manocha, Wenxin Sun, Yi Han, Xinran Yao, Xiaogang Jin

Given a query shape and pose of the virtual agent, we synthesize the resulting clothing deformation by blending the Taylor expansion results of nearby anchoring points.

Graphics

Location-aware Single Image Reflection Removal

1 code implementation ICCV 2021 Zheng Dong, Ke Xu, Yin Yang, Hujun Bao, Weiwei Xu, Rynson W. H. Lau

It is beneficial to strong reflection detection and substantially improves the quality of reflection removal results.

Reflection Removal

Quasi-Newton Solver for Robust Non-Rigid Registration

1 code implementation CVPR 2020 Yuxin Yao, Bailin Deng, Weiwei Xu, Juyong Zhang

Imperfect data (noise, outliers and partial overlap) and high degrees of freedom make non-rigid registration a classical challenging problem in computer vision.

AutoRemover: Automatic Object Removal for Autonomous Driving Videos

1 code implementation28 Nov 2019 Rong Zhang, Wei Li, Peng Wang, Chenye Guan, Jin Fang, Yuhang Song, Jinhui Yu, Baoquan Chen, Weiwei Xu, Ruigang Yang

To deal with shadows, we build up an autonomous driving shadow dataset and design a deep neural network to detect shadows automatically.

Autonomous Driving Object +1

AADS: Augmented Autonomous Driving Simulation using Data-driven Algorithms

1 code implementation23 Jan 2019 Wei Li, Chengwei Pan, Rong Zhang, Jiaping Ren, Yuexin Ma, Jin Fang, Feilong Yan, Qichuan Geng, Xinyu Huang, Huajun Gong, Weiwei Xu, Guoping Wang, Dinesh Manocha, Ruigang Yang

Our augmented approach combines the flexibility in a virtual environment (e. g., vehicle movements) with the richness of the real world to allow effective simulation of anywhere on earth.

Autonomous Driving

DeepWarp: DNN-based Nonlinear Deformation

1 code implementation24 Mar 2018 Ran Luo, Tianjia Shao, Huamin Wang, Weiwei Xu, Kun Zhou, Yin Yang

DeepWarp is an efficient and highly re-usable deep neural network (DNN) based nonlinear deformable simulation framework.

Graphics

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