中文
相关论文

相关论文: VPP: Efficient Conditional 3D Generation via Voxel…

200 篇论文

Point cloud compression has become a crucial factor in immersive visual media processing and streaming. This paper presents a new open dataset called UVG-VPC for the development, evaluation, and validation of MPEG Visual Volumetric…

多媒体 · 计算机科学 2025-04-09 Guillaume Gautier , Alexandre Mercat , Louis Fréneau , Mikko Pitkänen , Jarno Vanne

While recent work on text-conditional 3D object generation has shown promising results, the state-of-the-art methods typically require multiple GPU-hours to produce a single sample. This is in stark contrast to state-of-the-art generative…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Alex Nichol , Heewoo Jun , Prafulla Dhariwal , Pamela Mishkin , Mark Chen

Automatic 3D generation has recently attracted widespread attention. Recent methods have greatly accelerated the generation speed, but usually produce less-detailed objects due to limited model capacity or 3D data. Motivated by recent…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Zilong Chen , Yikai Wang , Feng Wang , Zhengyi Wang , Huaping Liu

Understanding point cloud has recently gained huge interests following the development of 3D scanning devices and the accumulation of large-scale 3D data. Most point cloud processing algorithms can be classified as either point-based or…

计算机视觉与模式识别 · 计算机科学 2022-02-07 Pyunghwan Ahn , Juyoung Yang , Eojindl Yi , Chanho Lee , Junmo Kim

Generating realistic 3D point clouds is a fundamental problem in computer vision with applications in remote sensing, robotics, and digital object modeling. Existing generative approaches primarily capture geometry, and when semantics are…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Gunner Stone , Sushmita Sarker , Alireza Tavakkoli

State-of-the-art 3D-aware generative models rely on coordinate-based MLPs to parameterize 3D radiance fields. While demonstrating impressive results, querying an MLP for every sample along each ray leads to slow rendering. Therefore,…

计算机视觉与模式识别 · 计算机科学 2022-11-11 Katja Schwarz , Axel Sauer , Michael Niemeyer , Yiyi Liao , Andreas Geiger

In this paper, we introduce a novel conditional generative adversarial network that creates dense 3D point clouds, with color, for assorted classes of objects in an unsupervised manner. To overcome the difficulty of capturing intricate…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Mohammad Samiul Arshad , William J. Beksi

3D object detection is receiving increasing attention from both industry and academia thanks to its wide applications in various fields. In this paper, we propose Point-Voxel Region-based Convolution Neural Networks (PV-RCNNs) for 3D object…

计算机视觉与模式识别 · 计算机科学 2022-11-09 Shaoshuai Shi , Li Jiang , Jiajun Deng , Zhe Wang , Chaoxu Guo , Jianping Shi , Xiaogang Wang , Hongsheng Li

Conventional methods of 3D object generative modeling learn volumetric predictions using deep networks with 3D convolutional operations, which are direct analogies to classical 2D ones. However, these methods are computationally wasteful in…

计算机视觉与模式识别 · 计算机科学 2017-06-22 Chen-Hsuan Lin , Chen Kong , Simon Lucey

While 3D content generation has advanced significantly, existing methods still face challenges with input formats, latent space design, and output representations. This paper introduces a novel 3D generation framework that addresses these…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Yushi Lan , Shangchen Zhou , Zhaoyang Lyu , Fangzhou Hong , Shuai Yang , Bo Dai , Xingang Pan , Chen Change Loy

Generating 3D models has traditionally been a complex task requiring specialized expertise. While recent advances in generative AI have sought to automate this process, existing methods produce non-editable representation, such as meshes or…

图形学 · 计算机科学 2026-01-21 Fadlullah Raji , Stefano Petrangeli , Matheus Gadelha , Yu Shen , Uttaran Bhattacharya , Gang Wu

When obtaining interior 3D voxel data from triangular meshes, most existing methods fail to handle low quality meshes which happens to take up a big portion on the internet. In this work we present a robust voxelization method that is based…

图形学 · 计算机科学 2021-07-22 Joseph Chen , Ko-Wei Tai , Wen-Chin Chen , Ming Ouhyoung

LiDAR-based 3D object detection and classification is crucial for autonomous driving. However, real-time inference from extremely sparse 3D data is a formidable challenge. To address this problem, a typical class of approaches transforms…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Yongxin Shao , Aihong Tan , Zhetao Sun , Enhui Zheng , Tianhong Yan , Peng Liao

Voxel-based 3D object classification has been thoroughly studied in recent years. Most previous methods convert the classic 2D convolution into a 3D form that will be further applied to objects with binary voxel representation for…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Ji Luo , Hui Cao , Jie Wang , Siyu Zhang , Shen Cai

Video depth estimation is essential for providing 3D scene structure in applications ranging from autonomous driving to mixed reality. Current end-to-end video depth models have established state-of-the-art performance. Although current…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Daewon Yoon , Injun Baek , Sangyu Han , Yearim Kim , Nojun Kwak

While point-based neural architectures have demonstrated their efficacy, the time-consuming sampler currently prevents them from performing real-time reasoning on scene-level point clouds. Existing methods attempt to overcome this issue by…

计算机视觉与模式识别 · 计算机科学 2023-05-24 Junyuan Ouyang , Xiao Liu , Haoyao Chen

Part-based 3D generation holds great potential for various applications. Previous part generators that represent parts using implicit vector-set tokens often suffer from insufficient geometric details. Another line of work adopts an…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Lihe Ding , Shaocong Dong , Yaokun Li , Chenjian Gao , Xiao Chen , Rui Han , Yihao Kuang , Hong Zhang , Bo Huang , Zhanpeng Huang , Zibin Wang , Dan Xu , Tianfan Xue

This paper focuses on a novel generative approach for 3D point clouds that makes use of invertible flow-based models. The main idea of the method is to treat a point cloud as a probability density in 3D space that is modeled using a…

机器学习 · 计算机科学 2019-10-17 Michał Stypułkowski , Maciej Zamorski , Maciej Zięba , Jan Chorowski

Representation and generative learning, as reconstruction-based methods, have demonstrated their potential for mutual reinforcement across various domains. In the field of point cloud processing, although existing studies have adopted…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Hongliang Zeng , Ping Zhang , Fang Li , Jiahua Wang , Tingyu Ye , Pengteng Guo

Although Multimodal Large Language Models (MLLMs) have shown remarkable potential in Visual Document Retrieval (VDR) through generating high-quality multi-vector embeddings, the substantial storage overhead caused by representing a page…

计算与语言 · 计算机科学 2026-04-17 Jiahao Huo , Yu Huang , Yibo Yan , Ye Pan , Kening Zheng , Wei-Chieh Huang , Yi Cao , Mingdong Ou , Philip S. Yu , Xuming Hu