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We introduce RGB2Point, an unposed single-view RGB image to a 3D point cloud generation based on Transformer. RGB2Point takes an input image of an object and generates a dense 3D point cloud. Contrary to prior works based on CNN layers and…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Jae Joong Lee , Bedrich Benes

In High Energy Physics simulations play a crucial role in unraveling the complexities of particle collision experiments within CERN's Large Hadron Collider. Machine learning simulation methods have garnered attention as promising…

数据分析、统计与概率 · 物理学 2024-06-06 Mikołaj Kita , Jan Dubiński , Przemysław Rokita , Kamil Deja

Using heterogeneous depth cameras and 3D scanners in 3D face verification causes variations in the resolution of the 3D point clouds. To solve this issue, previous studies use 3D registration techniques. Out of these proposed techniques,…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Ahmed ElSayed , Elif Kongar , Ausif Mahmood , Tarek Sobh , Terrance Boult

Diffusion models have shown impressive performance for image generation, often times outperforming other generative models. Since their introduction, researchers have extended the powerful noise-to-image denoising pipeline to discriminative…

图像与视频处理 · 电气工程与系统科学 2023-12-21 Fahim Ahmed Zaman , Mathews Jacob , Amanda Chang , Kan Liu , Milan Sonka , Xiaodong Wu

Controllable generation of 3D assets is important for many practical applications like content creation in movies, games and engineering, as well as in AR/VR. Recently, diffusion models have shown remarkable results in generation quality of…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Philipp Schröppel , Christopher Wewer , Jan Eric Lenssen , Eddy Ilg , Thomas Brox

Three-dimensional point clouds provide highly accurate digital representations of objects, essential for applications in computer graphics, photogrammetry, computer vision, and robotics. However, comparing point clouds faces significant…

计算机视觉与模式识别 · 计算机科学 2025-12-19 Amit Vishwakarma , K. S. Subrahamanian Moosath

The need for large-scale production of highly accurate simulated event samples for the extensive physics programme of the ATLAS experiment at the Large Hadron Collider motivates the development of new simulation techniques. Building on the…

高能物理 - 实验 · 物理学 2024-04-18 ATLAS Collaboration

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

Scenario generations of cooling, heating, and power loads are of great significance for the economic operation and stability analysis of integrated energy systems. In this paper, a novel deep generative network is proposed to model cooling,…

系统与控制 · 电气工程与系统科学 2022-04-22 Wenlong Liao , Yusen Wang , Yuelong Wang , Kody Powell , Qi Liu , Zhe Yang

We propose a novel point cloud U-Net diffusion architecture for 3D generative modeling capable of generating high-quality and diverse 3D shapes while maintaining fast generation times. Our network employs a dual-branch architecture,…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Ioannis Romanelis , Vlassios Fotis , Athanasios Kalogeras , Christos Alexakos , Konstantinos Moustakas , Adrian Munteanu

Recent years have witnessed the surge of learned representations that directly build upon point clouds. Though becoming increasingly expressive, most existing representations still struggle to generate ordered point sets. Inspired by…

计算机视觉与模式识别 · 计算机科学 2023-02-06 Jiaxin Wei , Lige Liu , Ran Cheng , Wenqing Jiang , Minghao Xu , Xinyu Jiang , Tao Sun , Soren Schwertfeger , Laurent Kneip

The recent advances in 3D sensing technology have made possible the capture of point clouds in significantly high resolution. However, increased detail usually comes at the expense of high storage, as well as computational costs in terms of…

计算机视觉与模式识别 · 计算机科学 2021-10-01 Rolandos Alexandros Potamias , Giorgos Bouritsas , Stefanos Zafeiriou

Score-based Generative Models (SGMs) is one leading method in generative modeling, renowned for their ability to generate high-quality samples from complex, high-dimensional data distributions. The method enjoys empirical success and is…

机器学习 · 计算机科学 2024-01-30 Sixu Li , Shi Chen , Qin Li

In this paper, we present a new method to efficiently generate jets in High Energy Physics called PC-JeDi. This method utilises score-based diffusion models in conjunction with transformers which are well suited to the task of generating…

高能物理 - 唯象学 · 物理学 2024-02-22 Matthew Leigh , Debajyoti Sengupta , Guillaume Quétant , John Andrew Raine , Knut Zoch , Tobias Golling

Advanced 3D metrology technologies such as Coordinate Measuring Machine (CMM) and laser 3D scanners have facilitated the collection of massive point cloud data, beneficial for process monitoring, control and optimization. However, due to…

计算机视觉与模式识别 · 计算机科学 2020-04-28 Hao Yan , Kamran Paynabar , Massimo Pacella

High-granularity calorimeters make ML-based fast shower simulation a high-dimensional generative modeling problem, where voxel-space generators must balance physics fidelity with training and inference cost. This work studies large-patch…

仪器与探测器 · 物理学 2026-05-13 Zhengkun Huang , Gongxing Sun

We propose a diffusion model designed to generate point-based shape representations with correspondences. Traditional statistical shape models have considered point correspondences extensively, but current deep learning methods do not take…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Shen Zhu , Yinzhu Jin , Ifrah Zawar , P. Thomas Fletcher

We propose a generative model of unordered point sets, such as point clouds, in the form of an energy-based model, where the energy function is parameterized by an input-permutation-invariant bottom-up neural network. The energy function…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Jianwen Xie , Yifei Xu , Zilong Zheng , Song-Chun Zhu , Ying Nian Wu

As a popular representation of 3D data, point cloud may contain noise and need to be filtered before use. Existing point cloud filtering methods either cannot preserve sharp features or result in uneven point distribution in the filtered…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Shuaijun Chen , Jinxi Wang , Wei Pan , Shang Gao , Meili Wang , Xuequan Lu

Body condition score (BCS) is a widely used indicator of body energy status and is closely associated with metabolic status, reproductive performance, and health in dairy cattle; however, conventional visual scoring is subjective and…