The Second IEEE and ACM International Symposium on Mixed and Augmented Reality, 2003. Proceedings.最新文献

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BLADESHIPS: an interactive attraction in mixed reality 《blade eships》:混合现实中的互动吸引力
Masayuki Takemura, S. Haraguchi
{"title":"BLADESHIPS: an interactive attraction in mixed reality","authors":"Masayuki Takemura, S. Haraguchi","doi":"10.1109/ISMAR.2003.1240758","DOIUrl":"https://doi.org/10.1109/ISMAR.2003.1240758","url":null,"abstract":"Our purpose is to construct a new type of interactive attraction which detects the user's hand actions as triggers in a multi-participated mixed environment. \"BLADESHIPS\" is a game in which players compete with each other controlling virtually expressed belt-shaped flying objects, which are called \"ships\", in the real environment, trying to drive each other hit real/virtual obstacles. For the purpose of reproducing subtle and spatially varying material properties of the real object, we use a 3D scanner and a high-resolution camera.","PeriodicalId":296266,"journal":{"name":"The Second IEEE and ACM International Symposium on Mixed and Augmented Reality, 2003. Proceedings.","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115903405","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: 4
Evaluating label placement for augmented reality view management 评估标签放置的增强现实视图管理
Ronald T. Azuma, Christopher S. Furmanski
{"title":"Evaluating label placement for augmented reality view management","authors":"Ronald T. Azuma, Christopher S. Furmanski","doi":"10.1109/ISMAR.2003.1240689","DOIUrl":"https://doi.org/10.1109/ISMAR.2003.1240689","url":null,"abstract":"View management, a relatively new area of research in Augmented Reality (AR) applications, is about the spatial layout of 2D virtual annotations in the view plane. This paper represents the first study in an actual AR application of a specific view management task: evaluating the placement of 2D virtual labels that identify information about real counterparts. Here, we objectively evaluated four different placement algorithms, including a novel algorithm for placement based on identifying existing clusters. The evaluation included both a statistical analysis of traditional metrics (e.g. counting overlaps) and an empirical user study guided by principles from human cognition. The numerical analysis of the three real-time algorithms revealed that our new cluster-based method recorded the best average placement accuracy while requiring only relatively moderate computation time. Measures of objective readability from the user study demonstrated that in practice, human subjects were able to read labels fastest with the algorithms that most quickly prevented overlap, even if placement wasn't ideal.","PeriodicalId":296266,"journal":{"name":"The Second IEEE and ACM International Symposium on Mixed and Augmented Reality, 2003. Proceedings.","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126745069","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: 177
The effects of shadow representation of virtual objects in augmented reality 增强现实中虚拟物体的阴影表现效果
Natsuki Sugano, H. Kato, K. Tachibana
{"title":"The effects of shadow representation of virtual objects in augmented reality","authors":"Natsuki Sugano, H. Kato, K. Tachibana","doi":"10.1109/ISMAR.2003.1240690","DOIUrl":"https://doi.org/10.1109/ISMAR.2003.1240690","url":null,"abstract":"In this paper, we describe the effects of shadow representation of virtual objects in augmented reality. Optical consistency is important in order to create realistic augmented reality environments. We focus on providing accurate shadows and made two assumptions about the effects of shadow representation of virtual objects. First, that the shadow of virtual objects provides a stronger connection between the real world and virtual objects and so increases virtual object presence. Second, that the shadow of virtual objects provides depth cues and so makes three-dimensional perceptions easier for the users of the interface. We report on two experiments that show that these assumptions are correct. We also find that users report that a characteristic shadow shape provides more virtual object presence in spite of incorrect virtual light direction.","PeriodicalId":296266,"journal":{"name":"The Second IEEE and ACM International Symposium on Mixed and Augmented Reality, 2003. Proceedings.","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122678346","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: 120
A wearable mixed reality with an on-board projector 带有车载投影仪的可穿戴混合现实设备
Toshikazu Karitsuka, Kosuke Sato
{"title":"A wearable mixed reality with an on-board projector","authors":"Toshikazu Karitsuka, Kosuke Sato","doi":"10.1109/ISMAR.2003.1240740","DOIUrl":"https://doi.org/10.1109/ISMAR.2003.1240740","url":null,"abstract":"One of the methods achieving mixed reality (MR) displays is the texture projection method using projectors. Another kind of emerging information environment is a wearable information device, which realizes ubiquitous computing. It is very promising to integrate these technologies. Using this kind of fusion system, two or more users can get the same MR environments without using HMD at the same moment. In this demonstration, we propose a wearable MR system with an on-board projector and introduce some applications with this system.","PeriodicalId":296266,"journal":{"name":"The Second IEEE and ACM International Symposium on Mixed and Augmented Reality, 2003. Proceedings.","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128357769","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: 69
Collaborative work with volumetric data using augmented reality 使用增强现实与体积数据协同工作
I. Barakonyi, Tamer Fahmy, D. Schmalstieg, Karin Kosina
{"title":"Collaborative work with volumetric data using augmented reality","authors":"I. Barakonyi, Tamer Fahmy, D. Schmalstieg, Karin Kosina","doi":"10.1109/ISMAR.2003.1240746","DOIUrl":"https://doi.org/10.1109/ISMAR.2003.1240746","url":null,"abstract":"The augmented reality videoconferencing system is a novel remote collaboration tool combining a desktop-based AR system and a videoconferencing module. The novelty of our system is the combination of these tools i.e. superimposing AR applications on live video background displaying the conference parties' real environment, thus merging the advantages of videoconferencing (natural face-to-face communication) and AR (interaction with distributed virtual objects using tangible physical artifacts). We demonstrate the system's collaborative features with a volume rendering application that allows users to display and examine volumetric data simultaneously and to highlight or explore slices of the volume by manipulating an optical marker as a cutting plane interaction device.","PeriodicalId":296266,"journal":{"name":"The Second IEEE and ACM International Symposium on Mixed and Augmented Reality, 2003. Proceedings.","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125180125","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: 6
Implementation of an augmented reality system on a PDA 在PDA上实现一个增强现实系统
W. Pasman, Charles Woodward
{"title":"Implementation of an augmented reality system on a PDA","authors":"W. Pasman, Charles Woodward","doi":"10.1109/ISMAR.2003.1240718","DOIUrl":"https://doi.org/10.1109/ISMAR.2003.1240718","url":null,"abstract":"We present a client/server implementation for running demanding mobile AR application on a PDA device. The system incorporates various data compression methods to make it run as fast as possible on a wide range of communication networks, from GSM to WLAN.","PeriodicalId":296266,"journal":{"name":"The Second IEEE and ACM International Symposium on Mixed and Augmented Reality, 2003. Proceedings.","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133295861","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: 75
Real-time localization and mapping with wearable active vision 实时定位和地图与可穿戴的主动视觉
A. Davison, W. Mayol-Cuevas, D. W. Murray
{"title":"Real-time localization and mapping with wearable active vision","authors":"A. Davison, W. Mayol-Cuevas, D. W. Murray","doi":"10.1109/ISMAR.2003.1240684","DOIUrl":"https://doi.org/10.1109/ISMAR.2003.1240684","url":null,"abstract":"We present a general method for real-time, vision-only single-camera simultaneous localisation and mapping (SLAM) - an algorithm which is applicable to the localisation of any camera moving through a scene - and study its application to the localisation of a wearable robot with active vision. Starting from very sparse initial scene knowledge, a map of natural point features spanning a section of a room is generated on-the-fly as the motion of the camera is simultaneously estimated in full 3D. Naturally this permits the annotation of the scene with rigidly-registered graphics, but further it permits automatic control of the robot's active camera: for instance, fixation on a particular object can be maintained during extended periods of arbitrary user motion, then shifted at will to another object which has potentially been out of the field of view. This kind of functionality is the key to the understanding or \"management\" of a workspace which the robot needs to have in order to assist its wearer usefully in tasks. We believe that the techniques and technology developed are of particular immediate value in scenarios of remote collaboration, where a remote expert is able to annotate, through the robot, the environment the wearer is working in.","PeriodicalId":296266,"journal":{"name":"The Second IEEE and ACM International Symposium on Mixed and Augmented Reality, 2003. Proceedings.","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115673037","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: 137
Evaluation of calibration procedures for optical see-through head-mounted displays 光学透明头戴式显示器校准程序的评价
Arthur Tang, Ji Zhou, C. Owen
{"title":"Evaluation of calibration procedures for optical see-through head-mounted displays","authors":"Arthur Tang, Ji Zhou, C. Owen","doi":"10.1109/ISMAR.2003.1240699","DOIUrl":"https://doi.org/10.1109/ISMAR.2003.1240699","url":null,"abstract":"Optical see-through head-mounted displays (HMDs) are less commonly used because they are difficult to accurately calibrate. In this article, we report a user study to compare the accuracy of 4 variants of the SPAAM calibration method. Among the 4 variants, Stylus-marker calibration, where the user aligns a crosshair projected in the HMD with a tracked stylus tip, achieved the most accurate result. A decomposition and analysis of the calibration matrices from the trials is performed and the characteristics of the computed calibration matrices are examined. A physiological engineering point of view is also discussed to explain why calibrating optical see-through HMD is so difficult for users.","PeriodicalId":296266,"journal":{"name":"The Second IEEE and ACM International Symposium on Mixed and Augmented Reality, 2003. Proceedings.","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124839488","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: 47
MIXED FANTASY: exhibition of entertainment research for mixed reality 混合幻想:混合现实娱乐研究展览
Christopher B. Stapleton, C. Hughes, J. M. Moshell
{"title":"MIXED FANTASY: exhibition of entertainment research for mixed reality","authors":"Christopher B. Stapleton, C. Hughes, J. M. Moshell","doi":"10.1109/ISMAR.2003.1240757","DOIUrl":"https://doi.org/10.1109/ISMAR.2003.1240757","url":null,"abstract":"This exhibition presents a Mixed Reality experience that applies basic research to the media industries of entertainment, training and informal education. Contributing areas of research include tracking, registration, rendering, real-time and distributed algorithms, and adaptations of existing as well as the creation of new forms of artistic convention. 1. Introduction: Why Entertainment? The power of entertainment stretches far beyond venues for amusement. Entertainment is a language unto itself affecting world culture, world economy and even world opinion. Entertainment is able to excite, motivate, satiate, communicate and inspire. This power is being applied to all aspects of life including learning, training, designing, communicating and collaborating for purposes ranging from social engagements to high powered teams making world decisions. The power of Mixed Reality provides us with the ability to combine the fantastical worlds of the imagination through virtual reality and seamlessly merge these with the compelling aspects of reality. MR envelops the most important aspect of reality-other people. The participants bring the most important part of Mixed Reality—the imagination. The Media Convergence Laboratory’s exhibition of","PeriodicalId":296266,"journal":{"name":"The Second IEEE and ACM International Symposium on Mixed and Augmented Reality, 2003. Proceedings.","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127620206","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: 19
Predicting accuracy in pose estimation for marker-based tracking 基于标记跟踪的姿态估计精度预测
Larry S. Davis, E. Clarkson, J. Rolland
{"title":"Predicting accuracy in pose estimation for marker-based tracking","authors":"Larry S. Davis, E. Clarkson, J. Rolland","doi":"10.1109/ISMAR.2003.1240685","DOIUrl":"https://doi.org/10.1109/ISMAR.2003.1240685","url":null,"abstract":"Tracking is a necessity for interactive virtual environments. Marker-based tracking solutions involve the placement of fiducials in a rigid configuration on the object(s) to be tracked, called a tracking probe. The realization that tracking performance is linked to probe performance necessitates investigation into the design of tracking probes for proponents of marker-based tracking. A challenge involved with probe design is predicting the accuracy of a tracking probe. We present a method for predicting the accuracy of a tracking probe based upon a first-order propagation of the errors associated with the markers on the probe. Results for two sample tracking probes show excellent agreement between measured and predicted errors.","PeriodicalId":296266,"journal":{"name":"The Second IEEE and ACM International Symposium on Mixed and Augmented Reality, 2003. Proceedings.","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127128214","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: 26
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