no code implementations • 22 Feb 2024 • Xin-Yang Zheng, Hao Pan, Yu-Xiao Guo, Xin Tong, Yang Liu
By finetuning pretrained large image diffusion models with 3D data, the MVD methods first generate multiple views of a 3D object based on an image or text prompt and then reconstruct 3D shapes with multiview 3D reconstruction.
no code implementations • 21 Feb 2024 • Yifan Yanggong, Hao Pan, Lei Wang
Games are a simplified model of reality and often serve as a favored platform for Artificial Intelligence (AI) research.
no code implementations • 29 Nov 2023 • Yilin Wen, Hao Pan, Takehiko Ohkawa, Lei Yang, Jia Pan, Yoichi Sato, Taku Komura, Wenping Wang
We present a novel framework that concurrently tackles hand action recognition and 3D future hand motion prediction.
no code implementations • 29 Nov 2023 • Jiepeng Wang, Hao Pan, Yang Liu, Xin Tong, Taku Komura, Wenping Wang
Such a localized rewriting process enables probabilistic modeling of ambiguous structures and robust generalization across object categories.
no code implementations • 28 Nov 2023 • Haocheng Yuan, Jing Xu, Hao Pan, Adrien Bousseau, Niloy J. Mitra, Changjian Li
CAD programs are a popular way to compactly encode shapes as a sequence of operations that are easy to parametrically modify.
1 code implementation • 13 Oct 2023 • Guangshun Wei, Hao Pan, Shaojie Zhuang, Yuanfeng Zhou, Changjian Li
To solve the non-uniformity of input points, on top of the cross field guided upsampling, we further introduce an iterative strategy that refines the point distribution by moving sparse points onto the desired continuous 3D surface in each iteration.
no code implementations • 6 Jul 2023 • Yifei Shen, Jiawei Shao, Xinjie Zhang, Zehong Lin, Hao Pan, Dongsheng Li, Jun Zhang, Khaled B. Letaief
The evolution of wireless networks gravitates towards connected intelligence, a concept that envisions seamless interconnectivity among humans, objects, and intelligence in a hyper-connected cyber-physical world.
no code implementations • 8 May 2023 • Xin-Yang Zheng, Hao Pan, Peng-Shuai Wang, Xin Tong, Yang Liu, Heung-Yeung Shum
Our method is built on a two-stage diffusion model.
no code implementations • 14 Apr 2023 • Siming Yan, YuQi Yang, YuXiao Guo, Hao Pan, Peng-Shuai Wang, Xin Tong, Yang Liu, QiXing Huang
Masked autoencoders (MAE) have recently been introduced to 3D self-supervised pretraining for point clouds due to their great success in NLP and computer vision.
2 code implementations • 14 Apr 2023 • Yu-Qi Yang, Yu-Xiao Guo, Jian-Yu Xiong, Yang Liu, Hao Pan, Peng-Shuai Wang, Xin Tong, Baining Guo
We pretrained a large {\SST} model on a synthetic Structured3D dataset, which is an order of magnitude larger than the ScanNet dataset.
Ranked #2 on 3D Object Detection on S3DIS (using extra training data)
1 code implementation • CVPR 2023 • Bingchen Yang, Haiyong Jiang, Hao Pan, Jun Xiao
To overcome these issues, we propose to fully utilize the regular elements in vector floorplans for more integral segmentation.
1 code implementation • 26 Oct 2022 • Yuezhi Yang, Hao Pan
Sketch design concepts are recurring patterns found in parametric CAD sketches.
1 code implementation • 21 Sep 2022 • Hao-Xiang Guo, Yang Liu, Hao Pan, Baining Guo
We present a novel implicit representation -- neural halfspace representation (NH-Rep), to convert manifold B-Rep solids to implicit representations.
1 code implementation • CVPR 2023 • Yilin Wen, Hao Pan, Lei Yang, Jia Pan, Taku Komura, Wenping Wang
Understanding dynamic hand motions and actions from egocentric RGB videos is a fundamental yet challenging task due to self-occlusion and ambiguity.
1 code implementation • 29 May 2022 • Haoxiang Guo, Shilin Liu, Hao Pan, Yang Liu, Xin Tong, Baining Guo
We view the reconstruction of CAD models in the boundary representation (B-Rep) as the detection of geometric primitives of different orders, i. e. vertices, edges and surface patches, and the correspondence of primitives, which are holistically modeled as a chain complex, and show that by modeling such comprehensive structures more complete and regularized reconstructions can be achieved.
no code implementations • CVPR 2022 • Nenglun Chen, Lei Chu, Hao Pan, Yan Lu, Wenping Wang
We propose a method for self-supervised image representation learning under the guidance of 3D geometric consistency.
no code implementations • 23 Jan 2022 • Zhi Deng, Yang Liu, Hao Pan, Wassim Jabi, Juyong Zhang, Bailin Deng
In this work, we present a novel sketch-based system to bridge the concept design and digital modeling of freeform roof-like shapes represented as planar quadrilateral (PQ) meshes.
no code implementations • 4 Nov 2021 • Daofei Li, Ao Liu, Hao Pan, Wentao Chen
By investigating the causes of 4, 300 video clips of traffic accidents, we find that the limited dynamic visual field of drivers is one leading factor in inter-vehicle interaction accidents, especially in those involving trucks.
1 code implementation • 27 Jul 2021 • Yilin Wen, Xiangyu Li, Hao Pan, Lei Yang, Zheng Wang, Taku Komura, Wenping Wang
Scalable 6D pose estimation for rigid objects from RGB images aims at handling multiple objects and generalizing to novel objects.
no code implementations • 19 Apr 2021 • Lei Chu, Hao Pan, Wenping Wang
We present a novel approach for completing and reconstructing 3D shapes from incomplete scanned data by using deep neural networks.
1 code implementation • CVPR 2021 • Shi-Lin Liu, Hao-Xiang Guo, Hao Pan, Peng-Shuai Wang, Xin Tong, Yang Liu
We incorporate IMLS surface generation into deep neural networks for inheriting both the flexibility of point sets and the high quality of implicit surfaces.
no code implementations • 9 Dec 2020 • Hao Pan, Zhi-Wei Sun
For each $n=0, 1, 2,\ldots$ the central trinomial coefficient $T_n$ is the coefficient of $x^n$ in the expansion of $(x^2+x+1)^n$.
Number Theory Combinatorics
1 code implementation • CVPR 2020 • Yu-Qi Yang, Shilin Liu, Hao Pan, Yang Liu, Xin Tong
Surface meshes are widely used shape representations and capture finer geometry data than point clouds or volumetric grids, but are challenging to apply CNNs directly due to their non-Euclidean structure.
Ranked #27 on Semantic Segmentation on ScanNet