Hamraz Javaheri - Academia.edu (original) (raw)

Papers by Hamraz Javaheri

Scientific reports, Jul 9, 2024

Pervasive Computing Technologies for Healthcare, 2024

The Physics Teacher, 2019

2022 IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI), Sep 27, 2022

BACKGROUND Moving towards a next generation world, the urge to find a fitting education system is... more BACKGROUND Moving towards a next generation world, the urge to find a fitting education system is inevitable. In the direction of a better education system, undeniably the crucial fields such as emergency and first aid education that involves public health, requires higher attention. Hence, the adaptation of relevant teaching methods and at the same time increasing the efficiency of training procedures gain more importance than ever. OBJECTIVE This paper aims to present and evaluate a self-directed cardiopulmonary resuscitation (CPR) training system that has the potential to be an alternative to traditional CPR teaching sessions. METHODS To this end, a before-and-after study was designed. Data of 43 participants were evaluated in this study. The participants were randomly divided into two groups; While the test group (n=22) used the proposed Augmented Reality (AR) based CPR tutorial and training system, the control group (n=21) went through a traditional CPR teaching session. RESULTS The overall effective CPR performance of test group significantly increased (P < .001) after teaching session with the proposed AR system. While the mean of participant’s effective CPR performance was 23.3% ± 27.2% before the teaching session, it was improved to 61.3% ± 27.4% after training with the AR system. Moreover, this study demonstrated that the proposed system helped to achieve higher effective CPR rates comparing to the traditional teaching. Even though both groups had no significant difference (P = .60) in doing effective CPR before teaching session, the test group performed significantly better than control group after teaching session (P = .02). CONCLUSIONS This study showed the potential of AR based CPR tutorial and training system as an alternative to traditional teaching method. Not only was this method found to be feasible for the intended purpose but it also proved to be more effective way to teach and train CPR to achieve effective performance. With advantages that it offers, eyewear AR technology is promising to build foundations of next generation education.

Head Mounted Display (HMD) based Augmented Reality (AR) allows users to access digital informatio... more Head Mounted Display (HMD) based Augmented Reality (AR) allows users to access digital information related to real world objects without being distracted from their real world task. With the introduction of the HoloLens (and increasingly other similar devices) a platform allowing wide spread practical application of such solutions has finally become available. However, today, not many such real world applications exist, and it is not yet fully understood which specific applications can benefit most from the technology in what form. As a promising novel application that optimally leverages the advantages of HMD based AR we propose a HoloLens based solution to support the debugging of electronic circuits. As a first step we have implemented a HoloLens interface to an oscilloscope. In this paper we describe the general idea, the fist implementation of the oscilloscope interface, and summarize initial qualitative feedback that we have received from users.

In this demonstration, we present a system design that helps to reduce the split attention effect... more In this demonstration, we present a system design that helps to reduce the split attention effect in multimedia learning by providing an interactive environment with augmented reality support for elementary physics education. The system consists of three main components: smart boxes, smart cables, and visualization app. Each smart box contains an input to plug different electrical components (bulb, battery, and switches) and two sockets to interconnect the boxes with each other using smart cables. These boxes are equipped with various sensor modalities that provide information related to connected cable identifications and the physical status of the boxes. This information is shared through a Bluetooth Low Energy interface with the connected visualization device. Visualization devices range between handheld tablets with augmented reality capabilities and headwear smart glasses. These devices are used to run the supportive app. The app is responsible to track the smart boxes using markers and provide a 3D augmented visualization of information coming from them. This system targets introductory physics education, in addition holds the potential to provide assistance for more advanced electrical circuits in secondary or higher physics education. CCS CONCEPTS • Applied computing → Interactive learning environments; • Human-centered computing → Mixed / augmented reality.

This paper investigates the use of augmented reality (AR) technology to deliver augmented lecture... more This paper investigates the use of augmented reality (AR) technology to deliver augmented lectures to support students in acquiring the curricular competency of using spatial imagination in mathematics education. As a very important stage in education to develop spatial abilities this paper focuses on elementary school children. Due to the challenges of working with children in experimental studies, this education level has received comparatively little attention in terms of support through ubiquitous technology. A theory-driven design approach was adopted in the development of an AR-based learning environment to visualize various virtual 3D cube buildings aligned with real blueprints. The designed environment was evaluated by a group of 1 st and 2 nd grade students in terms of system usability. The results showed that the theorydriven design was successful with a score of 86.56 on the System Usability test. In our future work, we aimed to assess the effectiveness of the proposed AR environment in terms of learning gains by performing more task-focused studies before and after experiment and comparing the results with the traditional teaching methods. CCS CONCEPTS • Applied computing → Interactive learning environments; • Human-centered computing → Mixed / augmented reality.

We investigate if providing shoppers with Augmented reality (AR) as a shopping tool can lead to a... more We investigate if providing shoppers with Augmented reality (AR) as a shopping tool can lead to an increase in purchase rate compared with conventional shopping applications. In a ”simulated shopping” study with two groups with a total number of 20 participants, a test group used a wearable AR device (HoloLens) as a primary shopping method while a control group used a tablet as a conventional 2D shopping device. According to the surveys collected from participants, 19 participants (95%) commented that the AR method was more joyful than conventional 2D method. Furthermore, all participants said that their experience with AR technology was more realistic. 16 participants (80%) believed that the AR method was more influential than the conventional method, but the other four participants (20%) said that neither of the methods had any impact on their buying intentions. Although the mean number of products added to the basket by each person in HoloLens experience and tablet experience was not significantly different (p=0.675), the mean number of bought items was significantly higher in HoloLens experience compared to the tablet experience (p=0.004). In conclusion, AR increased customer’s interest in shopping. While it had no significant impact on adding products to the shopping cart, it affected the rate of purchase.

We present a study comparing the effect of real-time wearable feedback with traditional training ... more We present a study comparing the effect of real-time wearable feedback with traditional training methods for cardiopulmonary resuscitation (CPR). The aim is to ensure that the students can deliver CPR with the right compression speed and depth. On the wearable side, we test two systems: one based on a combination of visual feedback and tactile information on a smart-watch and one based on visual feedback and audio information on a Google Glass. In a trial with 50 subjects (23 trainee nurses and 27 novices,) we compare those modalities to standard human teaching that is used in nurse training. While a single traditional teaching session tends to improve only the percentage of correct depth, it has less effect on the percentage of effective CPR (depth and speed correct at the same time). By contrast, in a training session with the wearable feedback device, the average percentage of time when CPR is effective improves by up to almost 25%.

Education is the Achilles heel of successful resuscitation in cardiac arrest. Therefore, we aim t... more Education is the Achilles heel of successful resuscitation in cardiac arrest. Therefore, we aim to contribute to the educational efficiency by providing a novel augmentedreality (AR) guided interactive cardiopulmonary resuscitation (CPR) "trainer". For this trainer, a mixed reality smart glass, Microsoft HoloLens, and a CPR manikin covered with pressure sensors were used. To introduce the CPR procedure to a learner, an application with an intractable virtual teacher model was designed. The teaching scenario consists of the two main parts, theory and practice. In the theoretical part, the virtual teacher provides all information about the CPR procedure. Afterward, the user will be asked to perform the CPR cycles in three different stages. In the first two stages, it is aimed to gain the muscle memory with audio and optical feedback system. In the end, the performance of the participant is evaluated by the virtual teacher.

Proceedings of the 2022 ACM International Joint Conference on Pervasive and Ubiquitous Computing

This paper investigates the use of augmented reality (AR) technology to deliver augmented lecture... more This paper investigates the use of augmented reality (AR) technology to deliver augmented lectures to support students in acquiring the curricular competency of using spatial imagination in mathematics education. As a very important stage in education to develop spatial abilities this paper focuses on elementary school children. Due to the challenges of working with children in experimental studies, this education level has received comparatively little attention in terms of support through ubiquitous technology. A theory-driven design approach was adopted in the development of an AR-based learning environment to visualize various virtual 3D cube buildings aligned with real blueprints. The designed environment was evaluated by a group of 1 st and 2 nd grade students in terms of system usability. The results showed that the theorydriven design was successful with a score of 86.56 on the System Usability test. In our future work, we aimed to assess the effectiveness of the proposed AR environment in terms of learning gains by performing more task-focused studies before and after experiment and comparing the results with the traditional teaching methods. CCS CONCEPTS • Applied computing → Interactive learning environments; • Human-centered computing → Mixed / augmented reality.

Proceedings of the 2022 ACM International Joint Conference on Pervasive and Ubiquitous Computing

In this demonstration, we present a system design that helps to reduce the split attention effect... more In this demonstration, we present a system design that helps to reduce the split attention effect in multimedia learning by providing an interactive environment with augmented reality support for elementary physics education. The system consists of three main components: smart boxes, smart cables, and visualization app. Each smart box contains an input to plug different electrical components (bulb, battery, and switches) and two sockets to interconnect the boxes with each other using smart cables. These boxes are equipped with various sensor modalities that provide information related to connected cable identifications and the physical status of the boxes. This information is shared through a Bluetooth Low Energy interface with the connected visualization device. Visualization devices range between handheld tablets with augmented reality capabilities and headwear smart glasses. These devices are used to run the supportive app. The app is responsible to track the smart boxes using markers and provide a 3D augmented visualization of information coming from them. This system targets introductory physics education, in addition holds the potential to provide assistance for more advanced electrical circuits in secondary or higher physics education. CCS CONCEPTS • Applied computing → Interactive learning environments; • Human-centered computing → Mixed / augmented reality.

2022 IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI)

BACKGROUND Moving towards a next generation world, the urge to find a fitting education system is... more BACKGROUND Moving towards a next generation world, the urge to find a fitting education system is inevitable. In the direction of a better education system, undeniably the crucial fields such as emergency and first aid education that involves public health, requires higher attention. Hence, the adaptation of relevant teaching methods and at the same time increasing the efficiency of training procedures gain more importance than ever. OBJECTIVE This paper aims to present and evaluate a self-directed cardiopulmonary resuscitation (CPR) training system that has the potential to be an alternative to traditional CPR teaching sessions. METHODS To this end, a before-and-after study was designed. Data of 43 participants were evaluated in this study. The participants were randomly divided into two groups; While the test group (n=22) used the proposed Augmented Reality (AR) based CPR tutorial and training system, the control group (n=21) went through a traditional CPR teaching session. RESULT...

The Physics Teacher, 2019

During the last decade the development of modern digital media such as smartphones and tablet com... more During the last decade the development of modern digital media such as smartphones and tablet computers has enabled new experimental possibilities in STEM education. Besides these now nearly ubiquitous devices, the fields of virtual reality (VR) and augmented reality (AR) also made huge progress and reached education. In this paper we introduce an AR experiment alongside the basic idea of this column and following prior work. In the experiment high school students use smartglasses and real-time measurement data to study Kirchhoff’s circuit laws in electrical DC circuits.

Education is the Achilles heel of successful resuscitation in cardiac arrest. Therefore, we aim t... more Education is the Achilles heel of successful resuscitation in cardiac arrest. Therefore, we aim to contribute to the educational efficiency by providing a novel augmented-reality (AR) guided interactive cardiopulmonary resuscitation (CPR) "trainer". For this trainer, a mixed reality smart glass, Microsoft HoloLens, and a CPR manikin covered with pressure sensors were used. To introduce the CPR procedure to a learner, an application with an intractable virtual teacher model was designed. The teaching scenario consists of the two main parts, theory and practice. In the theoretical part, the virtual teacher provides all information about the CPR procedure. Afterward, the user will be asked to perform the CPR cycles in three different stages. In the first two stages, it is aimed to gain the muscle memory with audio and optical feedback system. In the end, the performance of the participant is evaluated by the virtual teacher

Proceedings of the 2018 ACM International Joint Conference and 2018 International Symposium on Pervasive and Ubiquitous Computing and Wearable Computers

Education is the Achilles heel of successful resuscitation in cardiac arrest. Therefore, we aim t... more Education is the Achilles heel of successful resuscitation in cardiac arrest. Therefore, we aim to contribute to the educational efficiency by providing a novel augmentedreality (AR) guided interactive cardiopulmonary resuscitation (CPR) "trainer". For this trainer, a mixed reality smart glass, Microsoft HoloLens, and a CPR manikin covered with pressure sensors were used. To introduce the CPR procedure to a learner, an application with an intractable virtual teacher model was designed. The teaching scenario consists of the two main parts, theory and practice. In the theoretical part, the virtual teacher provides all information about the CPR procedure. Afterward, the user will be asked to perform the CPR cycles in three different stages. In the first two stages, it is aimed to gain the muscle memory with audio and optical feedback system. In the end, the performance of the participant is evaluated by the virtual teacher.

This demo presents an interactive experiment environment for physics and electrical engineering s... more This demo presents an interactive experiment environment for physics and electrical engineering students and aims to provide a deep insight into the basic electrical theories (i.e Ohm's, Kirchoff's law) using real-time sensing system with augmented-reality (AR) visualization enhancements. To this end, a system was designed to measure the current, voltage, AC frequency and RFID based 2D positioning. A mixed reality glass, HoloLens, was used to provide the visualization and augmentation. An application is designed for HoloLens to provide different visualization of nodal measurements and detected circuit schematic. Using this interactive experiment setting, the goal is to reduce the cognitive load of a learner while allowing more enjoyable and intuitive learning experience.

Scientific reports, Jul 9, 2024

Pervasive Computing Technologies for Healthcare, 2024

The Physics Teacher, 2019

2022 IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI), Sep 27, 2022

BACKGROUND Moving towards a next generation world, the urge to find a fitting education system is... more BACKGROUND Moving towards a next generation world, the urge to find a fitting education system is inevitable. In the direction of a better education system, undeniably the crucial fields such as emergency and first aid education that involves public health, requires higher attention. Hence, the adaptation of relevant teaching methods and at the same time increasing the efficiency of training procedures gain more importance than ever. OBJECTIVE This paper aims to present and evaluate a self-directed cardiopulmonary resuscitation (CPR) training system that has the potential to be an alternative to traditional CPR teaching sessions. METHODS To this end, a before-and-after study was designed. Data of 43 participants were evaluated in this study. The participants were randomly divided into two groups; While the test group (n=22) used the proposed Augmented Reality (AR) based CPR tutorial and training system, the control group (n=21) went through a traditional CPR teaching session. RESULTS The overall effective CPR performance of test group significantly increased (P < .001) after teaching session with the proposed AR system. While the mean of participant’s effective CPR performance was 23.3% ± 27.2% before the teaching session, it was improved to 61.3% ± 27.4% after training with the AR system. Moreover, this study demonstrated that the proposed system helped to achieve higher effective CPR rates comparing to the traditional teaching. Even though both groups had no significant difference (P = .60) in doing effective CPR before teaching session, the test group performed significantly better than control group after teaching session (P = .02). CONCLUSIONS This study showed the potential of AR based CPR tutorial and training system as an alternative to traditional teaching method. Not only was this method found to be feasible for the intended purpose but it also proved to be more effective way to teach and train CPR to achieve effective performance. With advantages that it offers, eyewear AR technology is promising to build foundations of next generation education.

Head Mounted Display (HMD) based Augmented Reality (AR) allows users to access digital informatio... more Head Mounted Display (HMD) based Augmented Reality (AR) allows users to access digital information related to real world objects without being distracted from their real world task. With the introduction of the HoloLens (and increasingly other similar devices) a platform allowing wide spread practical application of such solutions has finally become available. However, today, not many such real world applications exist, and it is not yet fully understood which specific applications can benefit most from the technology in what form. As a promising novel application that optimally leverages the advantages of HMD based AR we propose a HoloLens based solution to support the debugging of electronic circuits. As a first step we have implemented a HoloLens interface to an oscilloscope. In this paper we describe the general idea, the fist implementation of the oscilloscope interface, and summarize initial qualitative feedback that we have received from users.

In this demonstration, we present a system design that helps to reduce the split attention effect... more In this demonstration, we present a system design that helps to reduce the split attention effect in multimedia learning by providing an interactive environment with augmented reality support for elementary physics education. The system consists of three main components: smart boxes, smart cables, and visualization app. Each smart box contains an input to plug different electrical components (bulb, battery, and switches) and two sockets to interconnect the boxes with each other using smart cables. These boxes are equipped with various sensor modalities that provide information related to connected cable identifications and the physical status of the boxes. This information is shared through a Bluetooth Low Energy interface with the connected visualization device. Visualization devices range between handheld tablets with augmented reality capabilities and headwear smart glasses. These devices are used to run the supportive app. The app is responsible to track the smart boxes using markers and provide a 3D augmented visualization of information coming from them. This system targets introductory physics education, in addition holds the potential to provide assistance for more advanced electrical circuits in secondary or higher physics education. CCS CONCEPTS • Applied computing → Interactive learning environments; • Human-centered computing → Mixed / augmented reality.

This paper investigates the use of augmented reality (AR) technology to deliver augmented lecture... more This paper investigates the use of augmented reality (AR) technology to deliver augmented lectures to support students in acquiring the curricular competency of using spatial imagination in mathematics education. As a very important stage in education to develop spatial abilities this paper focuses on elementary school children. Due to the challenges of working with children in experimental studies, this education level has received comparatively little attention in terms of support through ubiquitous technology. A theory-driven design approach was adopted in the development of an AR-based learning environment to visualize various virtual 3D cube buildings aligned with real blueprints. The designed environment was evaluated by a group of 1 st and 2 nd grade students in terms of system usability. The results showed that the theorydriven design was successful with a score of 86.56 on the System Usability test. In our future work, we aimed to assess the effectiveness of the proposed AR environment in terms of learning gains by performing more task-focused studies before and after experiment and comparing the results with the traditional teaching methods. CCS CONCEPTS • Applied computing → Interactive learning environments; • Human-centered computing → Mixed / augmented reality.

We investigate if providing shoppers with Augmented reality (AR) as a shopping tool can lead to a... more We investigate if providing shoppers with Augmented reality (AR) as a shopping tool can lead to an increase in purchase rate compared with conventional shopping applications. In a ”simulated shopping” study with two groups with a total number of 20 participants, a test group used a wearable AR device (HoloLens) as a primary shopping method while a control group used a tablet as a conventional 2D shopping device. According to the surveys collected from participants, 19 participants (95%) commented that the AR method was more joyful than conventional 2D method. Furthermore, all participants said that their experience with AR technology was more realistic. 16 participants (80%) believed that the AR method was more influential than the conventional method, but the other four participants (20%) said that neither of the methods had any impact on their buying intentions. Although the mean number of products added to the basket by each person in HoloLens experience and tablet experience was not significantly different (p=0.675), the mean number of bought items was significantly higher in HoloLens experience compared to the tablet experience (p=0.004). In conclusion, AR increased customer’s interest in shopping. While it had no significant impact on adding products to the shopping cart, it affected the rate of purchase.

We present a study comparing the effect of real-time wearable feedback with traditional training ... more We present a study comparing the effect of real-time wearable feedback with traditional training methods for cardiopulmonary resuscitation (CPR). The aim is to ensure that the students can deliver CPR with the right compression speed and depth. On the wearable side, we test two systems: one based on a combination of visual feedback and tactile information on a smart-watch and one based on visual feedback and audio information on a Google Glass. In a trial with 50 subjects (23 trainee nurses and 27 novices,) we compare those modalities to standard human teaching that is used in nurse training. While a single traditional teaching session tends to improve only the percentage of correct depth, it has less effect on the percentage of effective CPR (depth and speed correct at the same time). By contrast, in a training session with the wearable feedback device, the average percentage of time when CPR is effective improves by up to almost 25%.

Education is the Achilles heel of successful resuscitation in cardiac arrest. Therefore, we aim t... more Education is the Achilles heel of successful resuscitation in cardiac arrest. Therefore, we aim to contribute to the educational efficiency by providing a novel augmentedreality (AR) guided interactive cardiopulmonary resuscitation (CPR) "trainer". For this trainer, a mixed reality smart glass, Microsoft HoloLens, and a CPR manikin covered with pressure sensors were used. To introduce the CPR procedure to a learner, an application with an intractable virtual teacher model was designed. The teaching scenario consists of the two main parts, theory and practice. In the theoretical part, the virtual teacher provides all information about the CPR procedure. Afterward, the user will be asked to perform the CPR cycles in three different stages. In the first two stages, it is aimed to gain the muscle memory with audio and optical feedback system. In the end, the performance of the participant is evaluated by the virtual teacher.

Proceedings of the 2022 ACM International Joint Conference on Pervasive and Ubiquitous Computing

This paper investigates the use of augmented reality (AR) technology to deliver augmented lecture... more This paper investigates the use of augmented reality (AR) technology to deliver augmented lectures to support students in acquiring the curricular competency of using spatial imagination in mathematics education. As a very important stage in education to develop spatial abilities this paper focuses on elementary school children. Due to the challenges of working with children in experimental studies, this education level has received comparatively little attention in terms of support through ubiquitous technology. A theory-driven design approach was adopted in the development of an AR-based learning environment to visualize various virtual 3D cube buildings aligned with real blueprints. The designed environment was evaluated by a group of 1 st and 2 nd grade students in terms of system usability. The results showed that the theorydriven design was successful with a score of 86.56 on the System Usability test. In our future work, we aimed to assess the effectiveness of the proposed AR environment in terms of learning gains by performing more task-focused studies before and after experiment and comparing the results with the traditional teaching methods. CCS CONCEPTS • Applied computing → Interactive learning environments; • Human-centered computing → Mixed / augmented reality.

Proceedings of the 2022 ACM International Joint Conference on Pervasive and Ubiquitous Computing

In this demonstration, we present a system design that helps to reduce the split attention effect... more In this demonstration, we present a system design that helps to reduce the split attention effect in multimedia learning by providing an interactive environment with augmented reality support for elementary physics education. The system consists of three main components: smart boxes, smart cables, and visualization app. Each smart box contains an input to plug different electrical components (bulb, battery, and switches) and two sockets to interconnect the boxes with each other using smart cables. These boxes are equipped with various sensor modalities that provide information related to connected cable identifications and the physical status of the boxes. This information is shared through a Bluetooth Low Energy interface with the connected visualization device. Visualization devices range between handheld tablets with augmented reality capabilities and headwear smart glasses. These devices are used to run the supportive app. The app is responsible to track the smart boxes using markers and provide a 3D augmented visualization of information coming from them. This system targets introductory physics education, in addition holds the potential to provide assistance for more advanced electrical circuits in secondary or higher physics education. CCS CONCEPTS • Applied computing → Interactive learning environments; • Human-centered computing → Mixed / augmented reality.

2022 IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI)

BACKGROUND Moving towards a next generation world, the urge to find a fitting education system is... more BACKGROUND Moving towards a next generation world, the urge to find a fitting education system is inevitable. In the direction of a better education system, undeniably the crucial fields such as emergency and first aid education that involves public health, requires higher attention. Hence, the adaptation of relevant teaching methods and at the same time increasing the efficiency of training procedures gain more importance than ever. OBJECTIVE This paper aims to present and evaluate a self-directed cardiopulmonary resuscitation (CPR) training system that has the potential to be an alternative to traditional CPR teaching sessions. METHODS To this end, a before-and-after study was designed. Data of 43 participants were evaluated in this study. The participants were randomly divided into two groups; While the test group (n=22) used the proposed Augmented Reality (AR) based CPR tutorial and training system, the control group (n=21) went through a traditional CPR teaching session. RESULT...

The Physics Teacher, 2019

During the last decade the development of modern digital media such as smartphones and tablet com... more During the last decade the development of modern digital media such as smartphones and tablet computers has enabled new experimental possibilities in STEM education. Besides these now nearly ubiquitous devices, the fields of virtual reality (VR) and augmented reality (AR) also made huge progress and reached education. In this paper we introduce an AR experiment alongside the basic idea of this column and following prior work. In the experiment high school students use smartglasses and real-time measurement data to study Kirchhoff’s circuit laws in electrical DC circuits.

Education is the Achilles heel of successful resuscitation in cardiac arrest. Therefore, we aim t... more Education is the Achilles heel of successful resuscitation in cardiac arrest. Therefore, we aim to contribute to the educational efficiency by providing a novel augmented-reality (AR) guided interactive cardiopulmonary resuscitation (CPR) "trainer". For this trainer, a mixed reality smart glass, Microsoft HoloLens, and a CPR manikin covered with pressure sensors were used. To introduce the CPR procedure to a learner, an application with an intractable virtual teacher model was designed. The teaching scenario consists of the two main parts, theory and practice. In the theoretical part, the virtual teacher provides all information about the CPR procedure. Afterward, the user will be asked to perform the CPR cycles in three different stages. In the first two stages, it is aimed to gain the muscle memory with audio and optical feedback system. In the end, the performance of the participant is evaluated by the virtual teacher

Proceedings of the 2018 ACM International Joint Conference and 2018 International Symposium on Pervasive and Ubiquitous Computing and Wearable Computers

Education is the Achilles heel of successful resuscitation in cardiac arrest. Therefore, we aim t... more Education is the Achilles heel of successful resuscitation in cardiac arrest. Therefore, we aim to contribute to the educational efficiency by providing a novel augmentedreality (AR) guided interactive cardiopulmonary resuscitation (CPR) "trainer". For this trainer, a mixed reality smart glass, Microsoft HoloLens, and a CPR manikin covered with pressure sensors were used. To introduce the CPR procedure to a learner, an application with an intractable virtual teacher model was designed. The teaching scenario consists of the two main parts, theory and practice. In the theoretical part, the virtual teacher provides all information about the CPR procedure. Afterward, the user will be asked to perform the CPR cycles in three different stages. In the first two stages, it is aimed to gain the muscle memory with audio and optical feedback system. In the end, the performance of the participant is evaluated by the virtual teacher.

This demo presents an interactive experiment environment for physics and electrical engineering s... more This demo presents an interactive experiment environment for physics and electrical engineering students and aims to provide a deep insight into the basic electrical theories (i.e Ohm's, Kirchoff's law) using real-time sensing system with augmented-reality (AR) visualization enhancements. To this end, a system was designed to measure the current, voltage, AC frequency and RFID based 2D positioning. A mixed reality glass, HoloLens, was used to provide the visualization and augmentation. An application is designed for HoloLens to provide different visualization of nodal measurements and detected circuit schematic. Using this interactive experiment setting, the goal is to reduce the cognitive load of a learner while allowing more enjoyable and intuitive learning experience.