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Semiautomatic Segmentation of Nasal Airway Based on Collaborative Environment 基于协同环境的鼻气道半自动分割
2010 International Symposium on Ubiquitous Virtual Reality Pub Date : 2010-07-07 DOI: 10.1109/ISUVR.2010.24
A. Seo, S. K. Chung, Jun Lee, Jee-In Kim, Hyungseok Kim
{"title":"Semiautomatic Segmentation of Nasal Airway Based on Collaborative Environment","authors":"A. Seo, S. K. Chung, Jun Lee, Jee-In Kim, Hyungseok Kim","doi":"10.1109/ISUVR.2010.24","DOIUrl":"https://doi.org/10.1109/ISUVR.2010.24","url":null,"abstract":"Nasal airway is studied to understand physiological and pathological characteristics of nasal breathing. It is difficult to segment nasal airway from Computed Tomography (CT) images because of its anatomical complexity. In this paper, we propose a software tool for semi-automatic segmentation of nasal airway. The segmentation result can be visualized as its three dimensional (3D) model. For the segmentation, 3D Region Growing is applied because nasal airway can be recognized by grouping similar pixel values of respiratory paths from CT images. The volume rendering method is used for the 3D visualization of nasal airway. The validation of the segmentation software tool was exercised by otolaryngologists. The accuracy of the segmentation was as good as manual segmentation by otolaryngologists. The processing time was greatly reduced from 5 hours to 3 minutes when 181 slices of CT images with the resolution of 512 by 512 were used to segment and visualize a 3D nasal airway model.","PeriodicalId":273260,"journal":{"name":"2010 International Symposium on Ubiquitous Virtual Reality","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129222123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Evaluation of Tangible User Interfaces for Desktop AR 桌面AR的有形用户界面评估
2010 International Symposium on Ubiquitous Virtual Reality Pub Date : 2010-07-07 DOI: 10.1109/ISUVR.2010.19
Andreas Dünser, J. Looser, R. Grasset, H. Seichter, M. Billinghurst
{"title":"Evaluation of Tangible User Interfaces for Desktop AR","authors":"Andreas Dünser, J. Looser, R. Grasset, H. Seichter, M. Billinghurst","doi":"10.1109/ISUVR.2010.19","DOIUrl":"https://doi.org/10.1109/ISUVR.2010.19","url":null,"abstract":"In this work we evaluated the usability of tangible user interaction for traditional desktop augmented reality environments. More specifically, we compared physical sliders and tracked paddles, and traditional mouse input for a system control task. While task accuracy was the same for all interfaces, mouse input performed the fastest and input with a tracked paddle the slowest. Performance with the physical sliders fell between those two. We present these results along with various findings from user comments, and discuss how they may influence the design of future desktop AR systems.","PeriodicalId":273260,"journal":{"name":"2010 International Symposium on Ubiquitous Virtual Reality","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133084905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Image-Based Modelling for Augmenting Reality 基于图像的增强现实建模
2010 International Symposium on Ubiquitous Virtual Reality Pub Date : 2010-07-07 DOI: 10.1109/ISUVR.2010.11
A. Hengel
{"title":"Image-Based Modelling for Augmenting Reality","authors":"A. Hengel","doi":"10.1109/ISUVR.2010.11","DOIUrl":"https://doi.org/10.1109/ISUVR.2010.11","url":null,"abstract":"The interaction between real and synthetic geometry is fundamental to Augmented Reality. Portraying such interactions in a manner that is convincing to the user requires 3D models of the shape of the real objects involved. The large-scale application of Augmented Reality technologies will thus require practical methods for generating 3D models of real objects. These methods will need to be fast, flexible, and capable of operating in-situ in order to generate models in unforeseen environments. Image-based modelling offers a means of creating such models by direct analysis of an image set. This paper describes two approaches to image-based modelling for Augmented Reality, and argues that technologies of this type are critical to the future of the domain.","PeriodicalId":273260,"journal":{"name":"2010 International Symposium on Ubiquitous Virtual Reality","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115400943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Consumer Adoption of Cross Reality Systems 消费者对跨现实系统的采用
2010 International Symposium on Ubiquitous Virtual Reality Pub Date : 2010-07-07 DOI: 10.1109/ISUVR.2010.26
J. Lifton
{"title":"Consumer Adoption of Cross Reality Systems","authors":"J. Lifton","doi":"10.1109/ISUVR.2010.26","DOIUrl":"https://doi.org/10.1109/ISUVR.2010.26","url":null,"abstract":"Cross reality systems bring together the sensor and actuator networks of ubiquitous computing with the social and creative spaces of virtual worlds. Although the strengths of ubiquitous computing and virtual worlds complement each other, their primary weaknesses are the same: their full utility isn’t realized until the technology is fully developed and deployed, but nobody wants to develop and deploy the technology without benefitting from immediate utility. This paper argues that this classic “chicken and egg” problem will be overcome in fits and starts as consumer expectations evolve. The paper provides a firsthand overview and examples of successes and failures in the cross reality market and offers suggestions for future research directions.","PeriodicalId":273260,"journal":{"name":"2010 International Symposium on Ubiquitous Virtual Reality","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127267453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
ARtalet: Tangible User Interface Based Immersive Augmented Reality Authoring Tool for Digilog Book ARtalet:有形用户界面为基础的沉浸式增强现实创作工具的Digilog书
2010 International Symposium on Ubiquitous Virtual Reality Pub Date : 2010-07-01 DOI: 10.1109/ISUVR.2010.20
Taejin Ha, Woontack Woo, Youngho Lee, Junhun Lee, J. Ryu, H. Choi, Kwan-Heng Lee
{"title":"ARtalet: Tangible User Interface Based Immersive Augmented Reality Authoring Tool for Digilog Book","authors":"Taejin Ha, Woontack Woo, Youngho Lee, Junhun Lee, J. Ryu, H. Choi, Kwan-Heng Lee","doi":"10.1109/ISUVR.2010.20","DOIUrl":"https://doi.org/10.1109/ISUVR.2010.20","url":null,"abstract":"A Digilog Book is an augmented reality (AR) based next generation publication supporting both sentimental analog emotions and immersive digital contents to improve a user’s experience. This paper enhances the Digilog Book authoring tool, ARtalet. This is a tangible user interface based immersive AR authoring tool providing an intuitive non-programming based authoring methods using a 3D user interface in an AR environment. As novel authoring functions, we propose 3D object trajectory manipulation, real-time deformation, and audio/vibration feedback authoring functions to enhance a user’s experience and interest. The ARtalet can be applicable to other Digilog application authoring, including posters, pictures, newspapers, and sign boards*.","PeriodicalId":273260,"journal":{"name":"2010 International Symposium on Ubiquitous Virtual Reality","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124227309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 32
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