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We present SPRITETOMESH, a fully automatic pipeline for converting 2D game sprite images into triangle meshes compatible with skeletal animation frameworks such as Spine2D. Creating animation-ready meshes is traditionally a tedious manual…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Bastien Gimbert

In this paper, we leverage advances in neural networks towards forming a neural rendering for controllable image generation, and thereby bypassing the need for detailed modeling in conventional graphics pipeline. To this end, we present…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Xuelin Chen , Daniel Cohen-Or , Baoquan Chen , Niloy J. Mitra

Swarm robotic systems are currently being used to address many real-world problems. One interesting application of swarm robotics is the self-organized formation of structures and shapes. Some of the key challenges in the swarm robotic…

机器人学 · 计算机科学 2017-11-20 Yasir R. Darr , Muaz A. Niazi

We introduce a Machine Learning framework, HIPED (HeIght and width Predictor for Edge Dynamics), for predicting and optimizing pedestal and core performance in spherical tokamak plasmas. Trained on pedestal and core datasets from the third…

等离子体物理 · 物理学 2025-04-29 J. F. Parisi , J. G. Clark , J. W. Berkery , C. Bowman , C. J. Fitzpatrick , S. M. Kaye , M. Lampert

This study presents an innovative direct numerical simulation approach for complex particle systems with irregular shapes and large numbers. Using partially saturated methods, it accurately models arbitrary shapes, albeit at considerable…

流体动力学 · 物理学 2024-07-23 J. E. Marquardt , N. Hafen , M. J. Krause

The International Society of Ultrasound advocates Intrapartum Ultrasound (US) Imaging in Obstetrics and Gynecology (ISUOG) to monitor labour progression through changes in fetal head position. Two reliable ultrasound-derived parameters that…

In this study we address existing deficiencies in the literature on applications of Particle Swarm Optimization to generate optimal designs. We present the results of a large computer study in which we bench-mark both efficiency and…

神经与进化计算 · 计算机科学 2022-06-15 Stephen J. Walsh , John J. Borkowski

In this paper, we propose a unified panoptic segmentation network (UPSNet) for tackling the newly proposed panoptic segmentation task. On top of a single backbone residual network, we first design a deformable convolution based semantic…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Yuwen Xiong , Renjie Liao , Hengshuang Zhao , Rui Hu , Min Bai , Ersin Yumer , Raquel Urtasun

Signal transduction and cell function are governed by the spatiotemporal organization of membrane-associated molecules. Despite significant advances in visualizing molecular distributions by 3D light microscopy, cell biologists still have…

Recently, many methods based on hand-designed convolutional neural networks (CNNs) have achieved promising results in automatic retinal vessel segmentation. However, these CNNs remain constrained in capturing retinal vessels in complex…

图像与视频处理 · 电气工程与系统科学 2021-06-14 Jiahong Wei , Zhun Fan

Creating realistic 3D head assets for virtual characters that match a precise artistic vision remains labor-intensive. We present a novel framework that streamlines this process by providing artists with intuitive control over generated 3D…

We tackle the problem of object completion from point clouds and propose a novel point cloud completion network employing an Asymmetrical Siamese Feature Matching strategy, termed as ASFM-Net. Specifically, the Siamese auto-encoder neural…

计算机视觉与模式识别 · 计算机科学 2021-08-05 Yaqi Xia , Yan Xia , Wei Li , Rui Song , Kailang Cao , Uwe Stilla

Vessel segmentation is widely used to help with vascular disease diagnosis. Vessels reconstructed using existing methods are often not sufficiently accurate to meet clinical use standards. This is because 3D vessel structures are highly…

图像与视频处理 · 电气工程与系统科学 2023-01-09 Gangming Zhao , Kongming Liang , Chengwei Pan , Fandong Zhang , Xianpeng Wu , Xinyang Hu , Yizhou Yu

Particle-based shape modeling (PSM) is a popular approach to automatically quantify shape variability in populations of anatomies. The PSM family of methods employs optimization to automatically populate a dense set of corresponding…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Hong Xu , Shireen Y. Elhabian

This work explores a hybrid approach to segmentation as an alternative to a purely data-driven approach. We introduce an end-to-end U-Net based network called DU-Net, which uses additional frequency preserving features, namely the…

图像与视频处理 · 电气工程与系统科学 2020-04-16 Alakh Desai , Ruchi Chauhan , Jayanthi Sivaswamy

We introduce the Shape-Image Multimodal Network (SIM-Net), a novel 2D image classification architecture that integrates 3D point cloud representations inferred directly from RGB images. Our key contribution lies in a pixel-to-point…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Youcef Sklab , Hanane Ariouat , Eric Chenin , Edi Prifti , Jean-Daniel Zucker

Deep learning methods have significantly advanced medical image segmentation, yet their success hinges on large volumes of manually annotated data, which require specialized expertise for accurate labeling. Additionally, these methods often…

图像与视频处理 · 电气工程与系统科学 2024-09-04 Wangang Cheng , Guanghua He , Keli Hu , Mingyu Fang , Liang Dong , Zhong Li , Hancan Zhu

We propose a novel approach for probabilistic generative modeling of 3D shapes. Unlike most existing models that learn to deterministically translate a latent vector to a shape, our model, Point-Voxel Diffusion (PVD), is a unified,…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Linqi Zhou , Yilun Du , Jiajun Wu

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

Background and aim: Surgical telepresence using augmented perception has been applied, but mixed reality is still being researched and is only theoretical. The aim of this work is to propose a solution to improve the visualization in the…

多媒体 · 计算机科学 2021-10-19 Nirakar Puri , Abeer Alsadoon , P. W. C. Prasad , Nada Alsalami , Tarik A. Rashid