Search Results for author: Zizhao Wu

Found 9 papers, 4 papers with code

HOI-Diff: Text-Driven Synthesis of 3D Human-Object Interactions using Diffusion Models

no code implementations11 Dec 2023 Xiaogang Peng, Yiming Xie, Zizhao Wu, Varun Jampani, Deqing Sun, Huaizu Jiang

We also develop an affordance prediction diffusion model (APDM) to predict the contacting area between the human and object during the interactions driven by the textual prompt.

Human-Object Interaction Detection Object

The MI-Motion Dataset and Benchmark for 3D Multi-Person Motion Prediction

1 code implementation23 Jun 2023 Xiaogang Peng, Xiao Zhou, Yikai Luo, Hao Wen, Yu Ding, Zizhao Wu

We believe that the proposed MI-Motion benchmark dataset and baseline will facilitate future research in this area, ultimately leading to better understanding and modeling of multi-person interactions.

motion prediction

Learning Weakly Supervised Audio-Visual Violence Detection in Hyperbolic Space

1 code implementation30 May 2023 Xiaogang Peng, Hao Wen, Yikai Luo, Xiao Zhou, Keyang Yu, Ping Yang, Zizhao Wu

To overcome this, we propose HyperVD, a novel framework that learns snippet embeddings in hyperbolic space to improve model discrimination.

Anomaly Detection In Surveillance Videos

Trajectory-Aware Body Interaction Transformer for Multi-Person Pose Forecasting

2 code implementations CVPR 2023 Xiaogang Peng, Siyuan Mao, Zizhao Wu

Specifically, we construct a Temporal Body Partition Module that transforms all the pose sequences into a Multi-Person Body-Part sequence to retain spatial and temporal information based on body semantics.

Multi-Person Pose forecasting

PointCMC: Cross-Modal Multi-Scale Correspondences Learning for Point Cloud Understanding

no code implementations22 Nov 2022 Honggu Zhou, Xiaogang Peng, Jiawei Mao, Zizhao Wu, Ming Zeng

To solve it, we proposed PointCMC, a novel cross-modal method to model multi-scale correspondences across modalities for self-supervised point cloud representation learning.

3D Object Classification Representation Learning

SoMoFormer: Social-Aware Motion Transformer for Multi-Person Motion Prediction

no code implementations19 Aug 2022 Xiaogang Peng, Yaodi Shen, Haoran Wang, Binling Nie, Yigang Wang, Zizhao Wu

Most prior methods only involve learning local pose dynamics for individual motion (without global body trajectory) and also struggle to capture complex interaction dependencies for social interactions.

motion prediction Representation Learning

Upsampling Autoencoder for Self-Supervised Point Cloud Learning

no code implementations21 Mar 2022 Cheng Zhang, Jian Shi, Xuan Deng, Zizhao Wu

In computer-aided design (CAD) community, the point cloud data is pervasively applied in reverse engineering, where the point cloud analysis plays an important role.

point cloud upsampling

PatchFormer: An Efficient Point Transformer with Patch Attention

no code implementations CVPR 2022 Zhang Cheng, Haocheng Wan, Xinyi Shen, Zizhao Wu

Extensive experiments demonstrate that our network achieves comparable accuracy on general point cloud learning tasks with 9. 2x speed-up than previous point Transformers.

Semantic Segmentation

PVT: Point-Voxel Transformer for Point Cloud Learning

2 code implementations13 Aug 2021 Cheng Zhang, Haocheng Wan, Xinyi Shen, Zizhao Wu

The recently developed pure Transformer architectures have attained promising accuracy on point cloud learning benchmarks compared to convolutional neural networks.

3D Object Detection 3D Part Segmentation +2

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