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Related papers: 3D Point Cloud Generative Adversarial Network Base…

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In this paper, we examine the long-neglected yet important effects of point sampling patterns in point cloud GANs. Through extensive experiments, we show that sampling-insensitive discriminators (e.g.PointNet-Max) produce shape point clouds…

Computer Vision and Pattern Recognition · Computer Science 2020-06-15 He Wang , Zetian Jiang , Li Yi , Kaichun Mo , Hao Su , Leonidas J. Guibas

With the popularity of 3D sensors in self-driving and other robotics applications, extensive research has focused on designing novel neural network architectures for accurate 3D point cloud completion. However, unlike in point cloud…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Mengxi Wu , Hao Huang , Yi Fang

In the field of 3D point cloud generation, numerous 3D generative models have demonstrated the ability to generate diverse and realistic 3D shapes. However, the majority of these approaches struggle to generate controllable 3D point cloud…

Graphics · Computer Science 2025-09-30 Zhenyu Shu , Jiajun Shen , Zhongui Chen , Xiaoguang Han , Shiqing Xin

In high energy physics (HEP), jets are collections of correlated particles produced ubiquitously in particle collisions such as those at the CERN Large Hadron Collider (LHC). Machine learning (ML)-based generative models, such as generative…

In this paper, we propose PointRCNN for 3D object detection from raw point cloud. The whole framework is composed of two stages: stage-1 for the bottom-up 3D proposal generation and stage-2 for refining proposals in the canonical…

Computer Vision and Pattern Recognition · Computer Science 2019-05-17 Shaoshuai Shi , Xiaogang Wang , Hongsheng Li

Deep learning on point clouds has made a lot of progress recently. Many point cloud dedicated deep learning frameworks, such as PointNet and PointNet++, have shown advantages in accuracy and speed comparing to those using traditional 3D…

Computational Geometry · Computer Science 2018-12-18 Guanghua Pan , Jun Wang , Rendong Ying , Peilin Liu

Analyzing the geometric and semantic properties of 3D point clouds through the deep networks is still challenging due to the irregularity and sparsity of samplings of their geometric structures. This paper presents a new method to define…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Artem Komarichev , Zichun Zhong , Jing Hua

We introduce Hair-GANs, an architecture of generative adversarial networks, to recover the 3D hair structure from a single image. The goal of our networks is to build a parametric transformation from 2D hair maps to 3D hair structure. The…

Graphics · Computer Science 2018-11-16 Meng Zhang , Youyi Zheng

We introduce ShapeAdv, a novel framework to study shape-aware adversarial perturbations that reflect the underlying shape variations (e.g., geometric deformations and structural differences) in the 3D point cloud space. We develop…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Kibok Lee , Zhuoyuan Chen , Xinchen Yan , Raquel Urtasun , Ersin Yumer

Generating realistic 3D faces is of high importance for computer graphics and computer vision applications. Generally, research on 3D face generation revolves around linear statistical models of the facial surface. Nevertheless, these…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Baris Gecer , Alexander Lattas , Stylianos Ploumpis , Jiankang Deng , Athanasios Papaioannou , Stylianos Moschoglou , Stefanos Zafeiriou

We introduce a novel 3D object proposal approach named Generative Shape Proposal Network (GSPN) for instance segmentation in point cloud data. Instead of treating object proposal as a direct bounding box regression problem, we take an…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Li Yi , Wang Zhao , He Wang , Minhyuk Sung , Leonidas Guibas

In this paper, we investigate a novel problem of using generative adversarial networks in the task of 3D shape generation according to semantic attributes. Recent works map 3D shapes into 2D parameter domain, which enables training…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 Yassir Saquil , Qun-Ce Xu , Yong-Liang Yang , Peter Hall

The Generative Adversarial Network (GAN) is a state-of-the-art technique in the field of deep learning. A number of recent papers address the theory and applications of GANs in various fields of image processing. Fewer studies, however,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Shuyue Guan , Murray Loew

In this paper, we aim at improving the computational efficiency of graph convolutional networks (GCNs) for learning on point clouds. The basic graph convolution that is typically composed of a $K$-nearest neighbor (KNN) search and a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Yawei Li , He Chen , Zhaopeng Cui , Radu Timofte , Marc Pollefeys , Gregory Chirikjian , Luc Van Gool

Generative adversarial networks or GANs are a type of generative modeling framework. GANs involve a pair of neural networks engaged in a competition in iteratively creating fake data, indistinguishable from the real data. One notable…

Computer Vision and Pattern Recognition · Computer Science 2021-06-17 Eric J. Nunn , Pejman Khadivi , Shadrokh Samavi

In this paper, we propose an improved quantitative evaluation framework for Generative Adversarial Networks (GANs) on generating domain-specific images, where we improve conventional evaluation methods on two levels: the feature…

Computer Vision and Pattern Recognition · Computer Science 2018-07-23 Shaohui Liu , Yi Wei , Jiwen Lu , Jie Zhou

The recent advancements of three-dimensional (3D) data acquisition devices have spurred a new breed of applications that rely on point cloud data processing. However, processing a large volume of point cloud data brings a significant…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-06 Jiawei Shao , Haowei Zhang , Yuyi Mao , Jun Zhang

Due to limitations in acquisition equipment, noise perturbations often corrupt 3-D point clouds, hindering down-stream tasks such as surface reconstruction, rendering, and further processing. Existing 3-D point cloud denoising methods…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Wenqiang Xu , Wenrui Dai , Duoduo Xue , Ziyang Zheng , Chenglin Li , Junni Zou , Hongkai Xiong

Deep generative models are proven to be a useful tool for automatic design synthesis and design space exploration. When applied in engineering design, existing generative models face three challenges: 1) generated designs lack diversity and…

Machine Learning · Computer Science 2021-08-17 Wei Chen , Faez Ahmed

In recent years, the challenge of 3D shape analysis within point cloud data has gathered significant attention in computer vision. Addressing the complexities of effective 3D information representation and meaningful feature extraction for…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Md Meraz , Md Afzal Ansari , Mohammed Javed , Pavan Chakraborty