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Lightweight 3-D Convolutional Occupancy Networks for Virtual Object Reconstruction. 用于虚拟物体重构的轻量级三维卷积占位网络
IF 1.8 4区 计算机科学
IEEE Computer Graphics and Applications Pub Date : 2024-03-01 Epub Date: 2024-03-25 DOI: 10.1109/MCG.2024.3359822
Claudia Melis Tonti, Lorenzo Papa, Irene Amerini
{"title":"Lightweight 3-D Convolutional Occupancy Networks for Virtual Object Reconstruction.","authors":"Claudia Melis Tonti, Lorenzo Papa, Irene Amerini","doi":"10.1109/MCG.2024.3359822","DOIUrl":"10.1109/MCG.2024.3359822","url":null,"abstract":"<p><p>The increasing demand for edge devices causes the necessity for recent technologies to be adaptable to nonspecialized hardware. In particular, in the context of augmented, virtual reality, and computer graphics, the 3-D object reconstruction task from a sparse point cloud is highly computationally demanding and for this reason, it is difficult to accomplish on embedded devices. In addition, the majority of earlier works have focused on mesh quality at the expense of speeding up the creation process. In order to find the best balance between time for mesh generation and mesh quality, we aim to tackle the object reconstruction process by developing a lightweight implicit representation. To achieve this goal, we leverage the use of convolutional occupancy networks. We show the effectiveness of the proposed approach through extensive experiments on the ShapeNet dataset using systems with different resources such as GPU, CPU, and an embedded device.</p>","PeriodicalId":55026,"journal":{"name":"IEEE Computer Graphics and Applications","volume":"PP ","pages":"23-36"},"PeriodicalIF":1.8,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139698969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sitting or Standing in VR: About Comfort, Conflicts, and Hazards. 虚拟现实中的坐姿或站姿：关于舒适、冲突和危险。
IF 1.8 4区 计算机科学
IEEE Computer Graphics and Applications Pub Date : 2024-03-01 DOI: 10.1109/MCG.2024.3352349
Daniel Zielasko, Bernhard E Riecke, Mark Billinghurst, Michele Fiorentino, Kyle Johnsen
{"title":"Sitting or Standing in VR: About Comfort, Conflicts, and Hazards.","authors":"Daniel Zielasko, Bernhard E Riecke, Mark Billinghurst, Michele Fiorentino, Kyle Johnsen","doi":"10.1109/MCG.2024.3352349","DOIUrl":"https://doi.org/10.1109/MCG.2024.3352349","url":null,"abstract":"<p><p>This article examines the choices between sitting and standing in virtual reality (VR) experiences, addressing conflicts, challenges, and opportunities. It explores issues such as the risk of motion sickness in stationary users and virtual rotations, the formation of mental models, consistent authoring, affordances, and the integration of embodied interfaces for enhanced interactions. Furthermore, it delves into the significance of multisensory integration and the impact of postural mismatches on immersion and acceptance in VR. Ultimately, the article underscores the importance of aligning postural choices and embodied interfaces with the goals of VR applications, be it for entertainment or simulation, to enhance user experiences.</p>","PeriodicalId":55026,"journal":{"name":"IEEE Computer Graphics and Applications","volume":"44 2","pages":"81-88"},"PeriodicalIF":1.8,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140289726","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Book Reviews [Two books reviewed] 书评 [评论两本书］
IF 1.8 4区 计算机科学
IEEE Computer Graphics and Applications Pub Date : 2024-02-12 DOI: 10.1109/mcg.1991.10011
Stuart Hungerford
{"title":"Book Reviews [Two books reviewed]","authors":"Stuart Hungerford","doi":"10.1109/mcg.1991.10011","DOIUrl":"https://doi.org/10.1109/mcg.1991.10011","url":null,"abstract":"","PeriodicalId":55026,"journal":{"name":"IEEE Computer Graphics and Applications","volume":"2018 1","pages":""},"PeriodicalIF":1.8,"publicationDate":"2024-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139952829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
EIC's Editorial EIC 的社论
IF 1.8 4区 计算机科学
IEEE Computer Graphics and Applications Pub Date : 2024-01-26 DOI: 10.1109/mcg.2023.3337469
André Stork
{"title":"EIC's Editorial","authors":"André Stork","doi":"10.1109/mcg.2023.3337469","DOIUrl":"https://doi.org/10.1109/mcg.2023.3337469","url":null,"abstract":"Dear readers, welcome to the New Year. I hope you started 2024 well and I wish you all the best for the months ahead!","PeriodicalId":55026,"journal":{"name":"IEEE Computer Graphics and Applications","volume":"43 1","pages":""},"PeriodicalIF":1.8,"publicationDate":"2024-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139668058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Call for Papers: IEEE Computer Society 征集论文：电气和电子工程师学会计算机协会
IF 1.8 4区 计算机科学
IEEE Computer Graphics and Applications Pub Date : 2024-01-25 DOI: 10.1109/mcg.2023.3348702
{"title":"Call for Papers: IEEE Computer Society","authors":"","doi":"10.1109/mcg.2023.3348702","DOIUrl":"https://doi.org/10.1109/mcg.2023.3348702","url":null,"abstract":"","PeriodicalId":55026,"journal":{"name":"IEEE Computer Graphics and Applications","volume":"135 1","pages":""},"PeriodicalIF":1.8,"publicationDate":"2024-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139952828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Workflow to Visually Assess Interobserver Variability in Medical Image Segmentation. 可视化评估医学图像分割中观察者间差异性的工作流程。
IF 1.7 4区 计算机科学
IEEE Computer Graphics and Applications Pub Date : 2024-01-01 DOI: 10.1109/MCG.2023.3333475
Hannah Clara Bayat, Manuela Waldner, Renata G Raidou, Mike Potel
{"title":"A Workflow to Visually Assess Interobserver Variability in Medical Image Segmentation.","authors":"Hannah Clara Bayat, Manuela Waldner, Renata G Raidou, Mike Potel","doi":"10.1109/MCG.2023.3333475","DOIUrl":"10.1109/MCG.2023.3333475","url":null,"abstract":"<p><p>We introduce a workflow for the visual assessment of interobserver variability in medical image segmentation. Image segmentation is a crucial step in the diagnosis, prognosis, and treatment of many diseases. Despite the advancements in autosegmentation, clinical practice widely relies on manual delineations performed by radiologists. Our work focuses on designing a solution for understanding the radiologists' thought processes during segmentation and for unveiling reasons that lead to interobserver variability. To this end, we propose a visual analysis tool connecting multiple radiologists' delineation processes with their outcomes, and we demonstrate its potential in a case study.</p>","PeriodicalId":55026,"journal":{"name":"IEEE Computer Graphics and Applications","volume":"44 1","pages":"86-94"},"PeriodicalIF":1.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139565480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
2022 IEEE Scientific Visualization Contest Winner: Multifield Analysis of Vorticity-Driven Lateral Spread in Wildfire Ensembles. 2022 年 IEEE 科学可视化竞赛优胜者：野火集群中涡度驱动的侧向蔓延的多场分析。
IF 1.8 4区 计算机科学
IEEE Computer Graphics and Applications Pub Date : 2024-01-01 Epub Date: 2024-01-25 DOI: 10.1109/MCG.2023.3310298
Gabriel Borrelli, Lars Hagemann, Jannik Steinkuhler, Adrian Derstroff, Marina Evers, Karim Huesmann, Simon Leistikow, Hennes Rave, Reyhaneh Sabbagh Gol, Lars Linsen
{"title":"2022 IEEE Scientific Visualization Contest Winner: Multifield Analysis of Vorticity-Driven Lateral Spread in Wildfire Ensembles.","authors":"Gabriel Borrelli, Lars Hagemann, Jannik Steinkuhler, Adrian Derstroff, Marina Evers, Karim Huesmann, Simon Leistikow, Hennes Rave, Reyhaneh Sabbagh Gol, Lars Linsen","doi":"10.1109/MCG.2023.3310298","DOIUrl":"10.1109/MCG.2023.3310298","url":null,"abstract":"<p><p>We present an interactive visual analysis tool for analyzing the spread of wildfires and what influences their evolution. Multiple time-varying 3-D scalar and vector fields are investigated and related to each other to identify causes of atypical fire spread. We present a visual analysis approach that allows for a comparative analysis of multiple runs of a simulation ensemble on different levels of detail. Overview visualizations combined with volume renderings and flow visualizations provide an intuitive understanding of the fire spread.</p>","PeriodicalId":55026,"journal":{"name":"IEEE Computer Graphics and Applications","volume":"PP ","pages":"40-49"},"PeriodicalIF":1.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10494088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rendering the Bluish Appearance of Snow: When Light Transmission Matters. 渲染雪的蓝色外观：当透光率很重要时
IF 1.8 4区 计算机科学
IEEE Computer Graphics and Applications Pub Date : 2024-01-01 Epub Date: 2024-01-25 DOI: 10.1109/MCG.2023.3307517
Petri M Varsa, Gladimir V G Baranoski
{"title":"Rendering the Bluish Appearance of Snow: When Light Transmission Matters.","authors":"Petri M Varsa, Gladimir V G Baranoski","doi":"10.1109/MCG.2023.3307517","DOIUrl":"10.1109/MCG.2023.3307517","url":null,"abstract":"<p><p>Material appearance is largely determined by complex light attenuation processes. The distinct bluish colorations that can be observed when light is transmitted through snow are among the most striking outcomes of these processes. In this article, we present a method for the predictive rendering of this phenomenon taking into account the variability of snow's physical and morphological characteristics. To achieve that, we employ an approach centered on the effective use of spectral transmittance data obtained using a first-principles light transport model for snow. The suitability of the proposed method to rendering applications is illustrated through the synthesis of images depicting the bluish appearance of snow under different illumination conditions.</p>","PeriodicalId":55026,"journal":{"name":"IEEE Computer Graphics and Applications","volume":"PP ","pages":"50-61"},"PeriodicalIF":1.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10167172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lexcube: Interactive Visualization of Large Earth System Data Cubes. Lexcube：大型地球系统数据立方体的交互式可视化。
IF 1.8 4区 计算机科学
IEEE Computer Graphics and Applications Pub Date : 2024-01-01 Epub Date: 2024-01-25 DOI: 10.1109/MCG.2023.3321989
Maximilian Sochting, Miguel D Mahecha, David Montero, Gerik Scheuermann
{"title":"Lexcube: Interactive Visualization of Large Earth System Data Cubes.","authors":"Maximilian Sochting, Miguel D Mahecha, David Montero, Gerik Scheuermann","doi":"10.1109/MCG.2023.3321989","DOIUrl":"10.1109/MCG.2023.3321989","url":null,"abstract":"<p><p>Many subsystems of Earth are constantly monitored in space and time and undergo continuous anthropogenic interventions. However, research into this transformation remains largely inaccessible to the public due to the complexity of the Big Data generated by models and Earth observation. To overcome this barrier, we present the Leipzig Explorer of Earth Data Cubes (lexcube.org), an interactive Earth data visualization that allows users to explore terabyte-scale datasets with minimal latency through space, time, variables, and model variants. With over 2800 users and 163,000 API requests since its public release in May 2022, lexcube.org is a novel interactive data cube visualization that embraces the concept of \"data cubes,\" enabling an equal treatment of space and time. We expect this development to be particularly relevant for the emerging exascale Digital Twins of Earth, as interactive visualizations in real-time could remove access barriers and help democratize Earth system sciences.</p>","PeriodicalId":55026,"journal":{"name":"IEEE Computer Graphics and Applications","volume":"PP ","pages":"25-37"},"PeriodicalIF":1.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41184278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
"Feels Like an Indie Game"-Evaluation of a Virtual Field Trip Prototype on Radioactive Waste Management Research for University Education. “感觉像一个独立的游戏”——对大学教育放射性废物管理研究的虚拟实地考察原型的评估。
IF 1.8 4区 计算机科学
IEEE Computer Graphics and Applications Pub Date : 2024-01-01 Epub Date: 2024-01-25 DOI: 10.1109/MCG.2023.3328169
Nico Graebling, Melanie Althaus, Ozgur Ozan Sen, Thomas Reimann, Tuanny Cajuhi, Gerik Scheuermann, Olaf Kolditz, Karsten Rink
{"title":"\"Feels Like an Indie Game\"-Evaluation of a Virtual Field Trip Prototype on Radioactive Waste Management Research for University Education.","authors":"Nico Graebling, Melanie Althaus, Ozgur Ozan Sen, Thomas Reimann, Tuanny Cajuhi, Gerik Scheuermann, Olaf Kolditz, Karsten Rink","doi":"10.1109/MCG.2023.3328169","DOIUrl":"10.1109/MCG.2023.3328169","url":null,"abstract":"<p><p>This article describes the design and evaluation of a virtual field trip on the topic of radioactive waste management research for university education. We created an interactive virtual tour through the Mont Terri underground research laboratory by enhancing the virtual experiment information system, designed for domain experts, with background information, illustrations, tasks, tests, and an improved user interface. To put the tour's content into context, a conventional introductory presentation on the final disposal of radioactive waste was added. A user study with 22 participants proved a good perceived usability of the virtual tour and the virtual field trip's ability to transfer knowledge. These results suggest a benefit of employing virtual field trips in geoscientific university courses. In addition, it is conceivable to use the virtual field trip as a tool for science communication in the context of participatory processes during nuclear waste disposal site selection processes.</p>","PeriodicalId":55026,"journal":{"name":"IEEE Computer Graphics and Applications","volume":"PP ","pages":"13-24"},"PeriodicalIF":1.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"61566180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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