Search Results for author: Mutian Xu

Found 10 papers, 5 papers with code

RichDreamer: A Generalizable Normal-Depth Diffusion Model for Detail Richness in Text-to-3D

no code implementations28 Nov 2023 Lingteng Qiu, GuanYing Chen, Xiaodong Gu, Qi Zuo, Mutian Xu, Yushuang Wu, Weihao Yuan, Zilong Dong, Liefeng Bo, Xiaoguang Han

Lifting 2D diffusion for 3D generation is a challenging problem due to the lack of geometric prior and the complex entanglement of materials and lighting in natural images.

3D Generation Text to 3D

Free-ATM: Exploring Unsupervised Learning on Diffusion-Generated Images with Free Attention Masks

no code implementations13 Aug 2023 David Junhao Zhang, Mutian Xu, Chuhui Xue, Wenqing Zhang, Xiaoguang Han, Song Bai, Mike Zheng Shou

Despite the rapid advancement of unsupervised learning in visual representation, it requires training on large-scale datasets that demand costly data collection, and pose additional challenges due to concerns regarding data privacy.

Contrastive Learning Image Classification +2

REC-MV: REconstructing 3D Dynamic Cloth from Monocular Videos

1 code implementation CVPR 2023 Lingteng Qiu, GuanYing Chen, Jiapeng Zhou, Mutian Xu, Junle Wang, Xiaoguang Han

To address the above limitations, in this paper, we formulate this task as an optimization problem of 3D garment feature curves and surface reconstruction from monocular video.

Garment Reconstruction Neural Rendering +1

MM-3DScene: 3D Scene Understanding by Customizing Masked Modeling with Informative-Preserved Reconstruction and Self-Distilled Consistency

no code implementations CVPR 2023 Mingye Xu, Mutian Xu, Tong He, Wanli Ouyang, Yali Wang, Xiaoguang Han, Yu Qiao

Besides, such scenes with progressive masking ratios can also serve to self-distill their intrinsic spatial consistency, requiring to learn the consistent representations from unmasked areas.

object-detection Object Detection +2

A Survey on Graph Neural Networks and Graph Transformers in Computer Vision: A Task-Oriented Perspective

no code implementations27 Sep 2022 Chaoqi Chen, Yushuang Wu, Qiyuan Dai, Hong-Yu Zhou, Mutian Xu, Sibei Yang, Xiaoguang Han, Yizhou Yu

Graph Neural Networks (GNNs) have gained momentum in graph representation learning and boosted the state of the art in a variety of areas, such as data mining (\emph{e. g.,} social network analysis and recommender systems), computer vision (\emph{e. g.,} object detection and point cloud learning), and natural language processing (\emph{e. g.,} relation extraction and sequence learning), to name a few.

Graph Representation Learning object-detection +3

TO-Scene: A Large-scale Dataset for Understanding 3D Tabletop Scenes

1 code implementation17 Mar 2022 Mutian Xu, Pei Chen, Haolin Liu, Xiaoguang Han

Experiments show that the algorithms trained on TO-Scene indeed work on the realistic test data, and our proposed tabletop-aware learning strategy greatly improves the state-of-the-art results on both 3D semantic segmentation and object detection tasks.

3D Semantic Segmentation object-detection +2

PAConv: Position Adaptive Convolution with Dynamic Kernel Assembling on Point Clouds

2 code implementations CVPR 2021 Mutian Xu, Runyu Ding, Hengshuang Zhao, Xiaojuan Qi

The key of PAConv is to construct the convolution kernel by dynamically assembling basic weight matrices stored in Weight Bank, where the coefficients of these weight matrices are self-adaptively learned from point positions through ScoreNet.

3D Point Cloud Classification Point Cloud Classification +2

Learning Geometry-Disentangled Representation for Complementary Understanding of 3D Object Point Cloud

3 code implementations20 Dec 2020 Mutian Xu, Junhao Zhang, Zhipeng Zhou, Mingye Xu, Xiaojuan Qi, Yu Qiao

GDANet introduces Geometry-Disentangle Module to dynamically disentangle point clouds into the contour and flat part of 3D objects, respectively denoted by sharp and gentle variation components.

3D Object Classification 3D Part Segmentation +2

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