K. P. Vinumol, Ashsish Chowdhury, Radhika Kambam, V. Muralidharan
Statistics based on research reveals that India has approximately ninety million people with varying degrees of Learning Disabilities (LD) and an average class in schools has about five students with learning disabilities. Epidemiological studies of learning disabilities in India are burdened by problems ranging from identification, assessment, to socio-cultural factors unique to India. Therefore, it is believed that number of children with LD may be much larger than five to a class of fifty students. Hence it is necessary for us to develop suitable technologies to assist the education of these learning disabilities children. This paper presents a PROTYPE called Interactive Text book for assisting students with learning disability. Here the book will be same as normal text book with out any special markers and identifiers. Once the children focus on a text, the 3D images, audio and videos that explains the text more graphically will be augmented on that page. This enhances the students understanding and makes the learning process easier for them.
{"title":"Augmented Reality Based Interactive Text Book: An Assistive Technology for Students with Learning Disability","authors":"K. P. Vinumol, Ashsish Chowdhury, Radhika Kambam, V. Muralidharan","doi":"10.1109/SVR.2013.26","DOIUrl":"https://doi.org/10.1109/SVR.2013.26","url":null,"abstract":"Statistics based on research reveals that India has approximately ninety million people with varying degrees of Learning Disabilities (LD) and an average class in schools has about five students with learning disabilities. Epidemiological studies of learning disabilities in India are burdened by problems ranging from identification, assessment, to socio-cultural factors unique to India. Therefore, it is believed that number of children with LD may be much larger than five to a class of fifty students. Hence it is necessary for us to develop suitable technologies to assist the education of these learning disabilities children. This paper presents a PROTYPE called Interactive Text book for assisting students with learning disability. Here the book will be same as normal text book with out any special markers and identifiers. Once the children focus on a text, the 3D images, audio and videos that explains the text more graphically will be augmented on that page. This enhances the students understanding and makes the learning process easier for them.","PeriodicalId":189272,"journal":{"name":"2013 XV Symposium on Virtual and Augmented Reality","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133390229","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}
This paper aims at showing a simulator with the educational intent based on operations of the electricity sector that will be able to help professionals that realize tasks of constant danger as change of insulators is aerial lift control. The simulator provides a realistic system of environments to operator giving illusion of the situation found in their everyday, the simulator presents warning signs and error messages when practicing premature or precipitated actions to the current action. It is also reported the simulator activity processor that has as main objective to assist in the development of new applications using Virtual Reality, focusing mainly on practices of procedures and evaluation of the actions performed by the operator.
{"title":"A Training System to Help Professionals in the Electric Sector in Risky Operations","authors":"F. G. D. Santos, I. Fonseca","doi":"10.1109/SVR.2013.16","DOIUrl":"https://doi.org/10.1109/SVR.2013.16","url":null,"abstract":"This paper aims at showing a simulator with the educational intent based on operations of the electricity sector that will be able to help professionals that realize tasks of constant danger as change of insulators is aerial lift control. The simulator provides a realistic system of environments to operator giving illusion of the situation found in their everyday, the simulator presents warning signs and error messages when practicing premature or precipitated actions to the current action. It is also reported the simulator activity processor that has as main objective to assist in the development of new applications using Virtual Reality, focusing mainly on practices of procedures and evaluation of the actions performed by the operator.","PeriodicalId":189272,"journal":{"name":"2013 XV Symposium on Virtual and Augmented Reality","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128789755","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}
Gesmar de Paula Santos, L. G. Marques, Milton Miranda Neto, Alexandre Cardoso, E. Lamounier, K. Yamanaka
This paper aims to present applications of Computational, which uses the method of genetic algorithms to improve the flight paths of UAVs, applied in a simulator with a hardware Man-in-the-loop.
{"title":"Development of a Genetic Algorithm to Improve a UAV Route Tracer Applied to a Man-in-the-Loop Flight Simulator","authors":"Gesmar de Paula Santos, L. G. Marques, Milton Miranda Neto, Alexandre Cardoso, E. Lamounier, K. Yamanaka","doi":"10.1109/SVR.2013.53","DOIUrl":"https://doi.org/10.1109/SVR.2013.53","url":null,"abstract":"This paper aims to present applications of Computational, which uses the method of genetic algorithms to improve the flight paths of UAVs, applied in a simulator with a hardware Man-in-the-loop.","PeriodicalId":189272,"journal":{"name":"2013 XV Symposium on Virtual and Augmented Reality","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115847187","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}
Francisco Simões, R. Roberto, L. Figueiredo, J. P. Lima, Mozart W. S. Almeida, V. Teichrieb
One of the more challenging tasks in augmented reality is to develop a tracking system for the industrial scenario. It is due the fact that this environment has characteristics that defy most of the techniques available, such as texture less objects that in some case are too large and in others are very small. This work proposes the combination of established techniques for 3D reconstruction and tracking, as well as a calibration routine, that is suitable for this type of scenario. This complete tracking system was evaluated in the ISMAR Tracking Competition, a contest that simulates industrial scenarios and is promoted to test state of the art trackers. The system presented good results in the competition and a discussion regarding its performance is lodged, aiming to introduce an analysis that could help others during the development of their own tracking system for industrial scenario.
{"title":"3D Tracking in Industrial Scenarios: A Case Study at the ISMAR Tracking Competition","authors":"Francisco Simões, R. Roberto, L. Figueiredo, J. P. Lima, Mozart W. S. Almeida, V. Teichrieb","doi":"10.1109/SVR.2013.15","DOIUrl":"https://doi.org/10.1109/SVR.2013.15","url":null,"abstract":"One of the more challenging tasks in augmented reality is to develop a tracking system for the industrial scenario. It is due the fact that this environment has characteristics that defy most of the techniques available, such as texture less objects that in some case are too large and in others are very small. This work proposes the combination of established techniques for 3D reconstruction and tracking, as well as a calibration routine, that is suitable for this type of scenario. This complete tracking system was evaluated in the ISMAR Tracking Competition, a contest that simulates industrial scenarios and is promoted to test state of the art trackers. The system presented good results in the competition and a discussion regarding its performance is lodged, aiming to introduce an analysis that could help others during the development of their own tracking system for industrial scenario.","PeriodicalId":189272,"journal":{"name":"2013 XV Symposium on Virtual and Augmented Reality","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114499283","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}
Virtual and augmented reality systems for education, health and entertainment purposes may require the modeling of realistic avatars. In order to create a more complete 3D geometric representation of the user, it is often necessary a complex calibration process using markers for registering streams from multiple 3D cameras. This paper presents a proposal of a marker-free registration process for a global model creation that represents the human body surface using multiple structured light sensors. Besides that, this method allows greater scalability by the addition of new devices to the setup. The paper also covers two experiments to check the feasibility of this setup, the first one related to noise measurement using two infects simultaneously and the second one, an evaluation of ICP algorithm behavior for multiple depth maps registration.
{"title":"A Marker-Free Calibration and Registration Process for Multiple Depth Maps from Structured Light Sensors and its Application in Video Avatar Systems","authors":"Daniel de Andrade Lemeszenski, L. R. Nakamura","doi":"10.1109/SVR.2013.19","DOIUrl":"https://doi.org/10.1109/SVR.2013.19","url":null,"abstract":"Virtual and augmented reality systems for education, health and entertainment purposes may require the modeling of realistic avatars. In order to create a more complete 3D geometric representation of the user, it is often necessary a complex calibration process using markers for registering streams from multiple 3D cameras. This paper presents a proposal of a marker-free registration process for a global model creation that represents the human body surface using multiple structured light sensors. Besides that, this method allows greater scalability by the addition of new devices to the setup. The paper also covers two experiments to check the feasibility of this setup, the first one related to noise measurement using two infects simultaneously and the second one, an evaluation of ICP algorithm behavior for multiple depth maps registration.","PeriodicalId":189272,"journal":{"name":"2013 XV Symposium on Virtual and Augmented Reality","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121443801","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}
Collaborative Virtual Environments (CVEs) can improve the way remote users interact with one another while learning and training skills on a given task. One CVE's possibility to the health area is the simulation of medical procedures in which a group of remote users can train and interact simultaneously. Health area has been benefited from the advent of Virtual Reality (VR) especially in education area, where these systems present some advantages over traditional teaching methods such as: cost reduction for training, reducing the use of guinea pigs and anatomical specimens in laboratory practices as well the use of interactive teaching approaches. Another VR's feature is the ability to monitor user's actions for assessing training performance. Thus, statistical models are used in order to check whether a group performed the procedure correctly or not. The goal is to allow the formation of teams and the development of individual skills to work together. This work proposes and discusses one CVE's architecture for supporting training and assessment of team skills, during surgery simulation.
{"title":"A Virtual Environment for Training and Assessment of Surgical Teams","authors":"P. V. F. Paiva, L. Machado, A. Valença","doi":"10.1109/SVR.2013.22","DOIUrl":"https://doi.org/10.1109/SVR.2013.22","url":null,"abstract":"Collaborative Virtual Environments (CVEs) can improve the way remote users interact with one another while learning and training skills on a given task. One CVE's possibility to the health area is the simulation of medical procedures in which a group of remote users can train and interact simultaneously. Health area has been benefited from the advent of Virtual Reality (VR) especially in education area, where these systems present some advantages over traditional teaching methods such as: cost reduction for training, reducing the use of guinea pigs and anatomical specimens in laboratory practices as well the use of interactive teaching approaches. Another VR's feature is the ability to monitor user's actions for assessing training performance. Thus, statistical models are used in order to check whether a group performed the procedure correctly or not. The goal is to allow the formation of teams and the development of individual skills to work together. This work proposes and discusses one CVE's architecture for supporting training and assessment of team skills, during surgery simulation.","PeriodicalId":189272,"journal":{"name":"2013 XV Symposium on Virtual and Augmented Reality","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117133476","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}
Virtual Rehabilitation provides a range of technological and clinical developments in the field of virtual reality and augmented reality applied to rehabilitation. In this context, a system for upper-limb motor rehabilitation of stroke patients based on augmented reality was developed. This system aimed providing the motor imagery using a virtual three-dimensional arm that replaces the paralyzed arm in a real-time image of the patient. During the task execution in the augmented reality environment, the physiotherapist had guided the patients while they saw themselves and surroundings, as in a mirror. Although not achieving statistical significance, the Fugl-Meyer results of these case studies suggested that the participants were able to use the technology and they had larger shoulder range of motion of the affected hand post-training using the augmented reality system. However, many faults in the detection and recognition of physical markers were occurred whenever there was partial obfuscation or imperfect capture of the marker's image. For this reason, a new version of the system was developed to provide an augmented reality system without markers, and thus, aiming to improve the usability of next clinical trials.
{"title":"A Markeless Augmented Reality Tracking for Enhancing the User Interaction during Virtual Rehabilitation","authors":"Alexandre Klein, G. A. Assis","doi":"10.1109/SVR.2013.43","DOIUrl":"https://doi.org/10.1109/SVR.2013.43","url":null,"abstract":"Virtual Rehabilitation provides a range of technological and clinical developments in the field of virtual reality and augmented reality applied to rehabilitation. In this context, a system for upper-limb motor rehabilitation of stroke patients based on augmented reality was developed. This system aimed providing the motor imagery using a virtual three-dimensional arm that replaces the paralyzed arm in a real-time image of the patient. During the task execution in the augmented reality environment, the physiotherapist had guided the patients while they saw themselves and surroundings, as in a mirror. Although not achieving statistical significance, the Fugl-Meyer results of these case studies suggested that the participants were able to use the technology and they had larger shoulder range of motion of the affected hand post-training using the augmented reality system. However, many faults in the detection and recognition of physical markers were occurred whenever there was partial obfuscation or imperfect capture of the marker's image. For this reason, a new version of the system was developed to provide an augmented reality system without markers, and thus, aiming to improve the usability of next clinical trials.","PeriodicalId":189272,"journal":{"name":"2013 XV Symposium on Virtual and Augmented Reality","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130217567","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}
The use of virtual reality (VR) systems for education can improve the learning process in health, providing more motivation and realism to users. In general, specific devices are used to increase immersion and, in general, demand an adaptation period. Natural Interaction (NI) can provide an intuitive way to interact in VR systems since it can improve and make the communication between users and the system easier. The present work investigated NI techniques provided by VR frameworks for health. As a result, was designed a structure to integrate NI techniques into a framework.
{"title":"A Structure to Integrate Natural Interaction into VR Systems for Education in Health","authors":"Douglas dos Santos Ferreira, L. S. Machado","doi":"10.1109/SVR.2013.18","DOIUrl":"https://doi.org/10.1109/SVR.2013.18","url":null,"abstract":"The use of virtual reality (VR) systems for education can improve the learning process in health, providing more motivation and realism to users. In general, specific devices are used to increase immersion and, in general, demand an adaptation period. Natural Interaction (NI) can provide an intuitive way to interact in VR systems since it can improve and make the communication between users and the system easier. The present work investigated NI techniques provided by VR frameworks for health. As a result, was designed a structure to integrate NI techniques into a framework.","PeriodicalId":189272,"journal":{"name":"2013 XV Symposium on Virtual and Augmented Reality","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116694451","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}
Suzana Matos França de Oliveira, C. Vidal, J. B. C. Neto, Laise Lima De Carvalho, J. G. R. Maia
In the last decades, cloth animation has been the focus of much research, due to demands from the entertainment industry and from e-commerce. That type of animation is most often the result of a physics-based simulation and has a high computational cost. The fabric model consists of a triangular mesh and uses a spring-mass-damper system to compute the forces among the particles, which are located at the mesh's vertices. However, this work's main objective is to study the dynamic behavior of cloth, using a remeshing procedure in order to adapt the mesh.
{"title":"Cloth Simulation Using Triangular Mesh: A Study of Mesh Adaptivity","authors":"Suzana Matos França de Oliveira, C. Vidal, J. B. C. Neto, Laise Lima De Carvalho, J. G. R. Maia","doi":"10.1109/SVR.2013.25","DOIUrl":"https://doi.org/10.1109/SVR.2013.25","url":null,"abstract":"In the last decades, cloth animation has been the focus of much research, due to demands from the entertainment industry and from e-commerce. That type of animation is most often the result of a physics-based simulation and has a high computational cost. The fabric model consists of a triangular mesh and uses a spring-mass-damper system to compute the forces among the particles, which are located at the mesh's vertices. However, this work's main objective is to study the dynamic behavior of cloth, using a remeshing procedure in order to adapt the mesh.","PeriodicalId":189272,"journal":{"name":"2013 XV Symposium on Virtual and Augmented Reality","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122519604","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}
Vitor Reus, Marcio Mello, L. Nedel, Anderson Maciel
The use of inertial sensors for tracking is becoming common in the development of VR applications due to their low-cost, high quality and availability. However, even if they are very sensitive and precise, inertial sensors work with incremental information, easily introducing errors in the system. The most important is that head tracking both in head mounted displays (HMD) and other systems based on inertial sensors suffer from drifting. In this paper we present some important limitations that still prevent the wide use of sensors like a single Kinect for full body tracking in immersive VR systems. Inevitably, to compensate for the drifting, the user moves away from the suitable pose in front of the Kinect, being a restrictive limitation for this kind of tracking. In this work we introduce a software solution for this problem and evaluate it experimentally. Results show that our comfortable pose function is effective on eliminating drifting. The efficiency and accuracy of this method makes it suitable for a number of applications in immersive VR.
{"title":"Correcting User's Head and Body Orientation Using a Comfort Pose Function","authors":"Vitor Reus, Marcio Mello, L. Nedel, Anderson Maciel","doi":"10.1109/SVR.2013.33","DOIUrl":"https://doi.org/10.1109/SVR.2013.33","url":null,"abstract":"The use of inertial sensors for tracking is becoming common in the development of VR applications due to their low-cost, high quality and availability. However, even if they are very sensitive and precise, inertial sensors work with incremental information, easily introducing errors in the system. The most important is that head tracking both in head mounted displays (HMD) and other systems based on inertial sensors suffer from drifting. In this paper we present some important limitations that still prevent the wide use of sensors like a single Kinect for full body tracking in immersive VR systems. Inevitably, to compensate for the drifting, the user moves away from the suitable pose in front of the Kinect, being a restrictive limitation for this kind of tracking. In this work we introduce a software solution for this problem and evaluate it experimentally. Results show that our comfortable pose function is effective on eliminating drifting. The efficiency and accuracy of this method makes it suitable for a number of applications in immersive VR.","PeriodicalId":189272,"journal":{"name":"2013 XV Symposium on Virtual and Augmented Reality","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128841905","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}
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