Search Results for author: Zhong Li

Found 14 papers, 2 papers with code

3D Fluid Flow Reconstruction Using Compact Light Field PIV

no code implementations ECCV 2020 Zhong Li, Yu Ji, Jingyi Yu, Jinwei Ye

In this paper, we present a PIV solution that uses a compact lenslet-based light field camera to track dense particles floating in the fluid and reconstruct the 3D fluid flow.

Optical Flow Estimation

Monocular 3D Object Detection via Feature Domain Adaptation

no code implementations ECCV 2020 Lele Chen, Guofeng Cui, Celong Liu, Zhong Li, Ziyi Kou, Yi Xu, Chenliang Xu

Monocular 3D object detection is a challenging task due to unreliable depth, resulting in a distinct performance gap between monocular and LiDAR-based approaches.

Domain Adaptation Monocular 3D Object Detection

Incremental Unsupervised Feature Selection for Dynamic Incomplete Multi-view Data

no code implementations5 Apr 2022 Yanyong Huang, Kejun Guo, Xiuwen Yi, Zhong Li, Tianrui Li

To address these issues, we propose an Incremental Incomplete Multi-view Unsupervised Feature Selection method (I$^2$MUFS) on incomplete multi-view streaming data.

On the approximation properties of recurrent encoder-decoder architectures

no code implementations ICLR 2022 Zhong Li, Haotian Jiang, Qianxiao Li

Our results provide the theoretical understanding of approximation properties of the recurrent encoder-decoder architecture, which characterises, in the considered setting, the types of temporal relationships that can be efficiently learned.

Approximation Theory of Convolutional Architectures for Time Series Modelling

no code implementations20 Jul 2021 Haotian Jiang, Zhong Li, Qianxiao Li

We study the approximation properties of convolutional architectures applied to time series modelling, which can be formulated mathematically as a functional approximation problem.

Time Series

NeuLF: Efficient Novel View Synthesis with Neural 4D Light Field

no code implementations15 May 2021 Zhong Li, Liangchen Song, Celong Liu, Junsong Yuan, Yi Xu

In this paper, we present an efficient and robust deep learning solution for novel view synthesis of complex scenes.

Novel View Synthesis

RobustFusion: Robust Volumetric Performance Reconstruction under Human-object Interactions from Monocular RGBD Stream

no code implementations30 Apr 2021 Zhuo Su, Lan Xu, Dawei Zhong, Zhong Li, Fan Deng, Shuxue Quan, Lu Fang

To fill this gap, in this paper, we propose RobustFusion, a robust volumetric performance reconstruction system for human-object interaction scenarios using only a single RGBD sensor, which combines various data-driven visual and interaction cues to handle the complex interaction patterns and severe occlusions.

Disentanglement Human-Object Interaction Detection +3

PoP-Net: Pose over Parts Network for Multi-Person 3D Pose Estimation from a Depth Image

1 code implementation12 Dec 2020 Yuliang Guo, Zhong Li, Zekun Li, Xiangyu Du, Shuxue Quan, Yi Xu

In this paper, a real-time method called PoP-Net is proposed to predict multi-person 3D poses from a depth image.

3D Pose Estimation Data Augmentation

On the Curse of Memory in Recurrent Neural Networks: Approximation and Optimization Analysis

no code implementations ICLR 2021 Zhong Li, Jiequn Han, Weinan E, Qianxiao Li

We study the approximation properties and optimization dynamics of recurrent neural networks (RNNs) when applied to learn input-output relationships in temporal data.

Complexity Measures for Neural Networks with General Activation Functions Using Path-based Norms

no code implementations14 Sep 2020 Zhong Li, Chao Ma, Lei Wu

The approach is motivated by approximating the general activation functions with one-dimensional ReLU networks, which reduces the problem to the complexity controls of ReLU networks.

Talking-head Generation with Rhythmic Head Motion

1 code implementation16 Jul 2020 Lele Chen, Guofeng Cui, Celong Liu, Zhong Li, Ziyi Kou, Yi Xu, Chenliang Xu

When people deliver a speech, they naturally move heads, and this rhythmic head motion conveys prosodic information.

Talking Head Generation

PIV-Based 3D Fluid Flow Reconstruction Using Light Field Camera

no code implementations15 Apr 2019 Zhong Li, Jinwei Ye, Yu Ji, Hao Sheng, Jingyi Yu

Particle Imaging Velocimetry (PIV) estimates the flow of fluid by analyzing the motion of injected particles.

Depth Estimation Optical Flow Estimation

4D Human Body Correspondences from Panoramic Depth Maps

no code implementations CVPR 2018 Zhong Li, Minye Wu, Wangyiteng Zhou, Jingyi Yu

The availability of affordable 3D full body reconstruction systems has given rise to free-viewpoint video (FVV) of human shapes.

Frame

Robust 3D Human Motion Reconstruction Via Dynamic Template Construction

no code implementations31 Jan 2018 Zhong Li, Yu Ji, Wei Yang, Jinwei Ye, Jingyi Yu

In multi-view human body capture systems, the recovered 3D geometry or even the acquired imagery data can be heavily corrupted due to occlusions, noise, limited field of- view, etc.

Frame

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