The provision to the users of realistic media contents is one of the main goals of future media s... more The provision to the users of realistic media contents is one of the main goals of future media services. The sense of reality perceived by the user can be enhanced by adding various sensorial effects to the conventional audiovisual content, through the stimulation of the five senses stimulation (sight, hearing, touch, smell and taste), the so-called multi-sensorial media (mulsemedia). To deliver the additional effects within a smart home (SH) environment, custom devices (e.g., air conditioning, lights) providing opportune smart features, are preferred to adhoc devices, often deployed in a specific context such as for example in gaming consoles. In the present study, a prototype for a mulsemedia TV application, implemented in a real smart home scenario, allowed the authors to assess the user's Quality of Experience (QoE) through test measurement campaign. The impact of specific sensory effects (i.e., light, airflow, vibration) on the user experience regarding the enhancement of sense of reality, annoyance, and intensity of the effects was investigated through subjective assessment. The need for multi sensorial QoE models is an important challenge for future research in this field, considering the time and cost of subjective quality assessments. Therefore, based on the subjective assessment results, this paper instantiates and validates a parametric QoE model for multi-sensorial TV in a SH scenario which indicates the relationship between the quality of audiovisual contents and user-perceived QoE for sensory effects applications.
2022 IEEE International Conference on Consumer Electronics (ICCE), 2022
In the past few years, within the Home Environment context, the TV set has regained its place tog... more In the past few years, within the Home Environment context, the TV set has regained its place together with the Smart Home (SH) concept. In this very dynamic framework, the use of health monitoring devices combined with typical SH appliances and having the TV set as the main interaction point, could allow the entire home environment to monitor the consumer's health status. This paper presents an initial architecture integrating health monitoring devices within the SH environment through a HbbTV - enabled TV set.
2017 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) & 2017 Intl Aegean Conference on Electrical Machines and Power Electronics (ACEMP), 2017
In this article we present our controlled environment and approach for reference-based color text... more In this article we present our controlled environment and approach for reference-based color texture digitization and color texture analysis in the context of color wooden textured surface analysis for the final goal of a valid, controlled and reproducible varnishing process. The color digitization process is performed using a color checker and controlled illumination, followed by a color correction step based on the assumption of a linear transformation. The color image acquisition protocol includes also multispectral data acquisition using a spectrophotometer. We demonstrate the usage of our approach both on raw and varnished wooden samples. Further on, we compute several color and color texture features for the analysis of the acquired color texture images. We present and discuss our results and conclude this paper.
Affordable low-power, short-range terrestrial communications are the current enabler for Internet... more Affordable low-power, short-range terrestrial communications are the current enabler for Internet of Things (IoT) and Machine to Machine (M2M) applications. Their main drawback resides in the need of a gateway that enables them to communicate with the world. Satellite gateways have become in the recent years more affordable, but nevertheless, the combined equipment and access costs are still prohibitive for large scale deployments of satellite applications. The goal of this paper is to describe a fully functional prototype for a low-cost satellite gateway based on an embedded Software Defined Radio (SDR) platform. The developed prototype, implemented as a standalone RF platform, will be able to route data between the satellite and M2M/IoT applications, covering on the terrestrial side the most common shortrange wireless protocols and standards (802.11b/g/n, ZigBee, BLE, etc.). The satellite link will be assured by adapting typical lightweight uplink and downlink protocols, already implemented and tested. This paper is focused on the terrestrial side implementation and experimental results.
2018 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB), 2018
One of the goals of future TV broadcast services is to provide realistic media contents to the us... more One of the goals of future TV broadcast services is to provide realistic media contents to the users. The user's sense of reality can be reinforced by adding to conventional media multiple sensorial effects, through five-sense stimulus (i.e., taste, sight, touch, smell, and hearing). In a smart home environment, to deliver the additional effects, customary devices (e.g., air conditioning, lights, etc.), provided of opportune smart features, have to be preferred to ad-hoc devices, often deployed in other applications as for example in gaming systems. In this context, a key issue is the interconnection among the TV and the customary devices that deliver the additional sensorial effects to the user. In such a framework, home customary devices play a role to implement additional effects to the conventional broadcast TV service. In this study, a prototype is implemented for broadcasting multi sensorial media in a real smart home scenario. Real customary devices are deployed. A subjective test measurement campaign based on mean opinion score was performed to assess the Quality of Experience of the users and the feasibility of the proposed multi sensorial media TV service.
2020 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB), 2020
Recent studies have started to consider the HbbTV as the central hub to handle notifications rega... more Recent studies have started to consider the HbbTV as the central hub to handle notifications regarding the smart home devices. The HbbTV integrates into the multimedia TV contents the notifications coming from various smart home devices such as the smartphone, video door-phone, sensors, washing machine, etc. Therefore, there is a need to evaluate the impact on-screen notifications would have on the user’s perceived Quality of Experience (QoE). In some cases, notifications may annoy the user and negatively impact the QoE perceived for the watched video contents. For these reasons, a subjective quality assessment is presented in order to evaluate the impact of onscreen notifications while users are watching TV video contents. Test participants were recorded while watching the video because, using the eye’s gaze direction, the attention of the participants towards notifications was measured.
This paper presents the results of a subjective test campaign performed on a real smart home scen... more This paper presents the results of a subjective test campaign performed on a real smart home scenario and aimed at assessing the enrichment of the quality of experience of real users. A proof of concept of an IoT based architecture deploying customary devices in a smart home environment is implemented and used for test assessments. If opportunely embedded on the content stream or in the broadcasting transmission technology, multi sensorial meta data could be interpreted by a smart TV and used in a smart home environment to provide users with an enriched TV experience, via the proposed IoT architecture.
Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 2019
Web based thin clients are applications delivering content from the Internet or Intranet and acce... more Web based thin clients are applications delivering content from the Internet or Intranet and accessed via the browser on the running end device. These clients are portable and cross-device compatible and have a large spectrum of applications, can perform from tele-measurement tasks to management and information centralization. The capability of web-based thin clients to function offline is a requirement that is indispensable even today for many companies because offline-enabled thin clients allow the users to continue working without workflow disturbance, preventing the loss of data, even when the connection to the Internet is missing or malfunctioning. This paper is dedicated to a “barrier-free” cross-platform responsive and progressive web based thin client, presenting its architecture and development, as well as the offline capabilities using caching techniques and its advantages in resource management and information back-up and security.
2021 IoT Vertical and Topical Summit for Tourism, 2021
The demand for accessible tourism is growing, thus the tourism industry has recently stepped up i... more The demand for accessible tourism is growing, thus the tourism industry has recently stepped up its efforts to guarantee opportunities and services also to tourists with disabilities. The Social IoT (SIoT) paradigm can extend the advantages to contextualize heterogeneous objects in a social structure that includes also services, in order to accomplish an extended applicability in social strategy for sustainable tourist services. This paper proposes a SIoT-based system developed to provide dedicated services to tourists with disabilities, facilitating and improving their travel experience. The proposed system can also allow tourist facilities and structures such as airports, train stations, museums, etc., to guarantee suitable accessibility providing dedicated itineraries or simply establishing a direct relationship with users with disabilities.
Proceedings of the Twelfth International Conference on Civil, Structural and Environmental Engineering Computing, Aug 14, 2009
In this paper, the computerised acoustic attenuation tomography imaging has been analysed, implem... more In this paper, the computerised acoustic attenuation tomography imaging has been analysed, implemented and then performed for non destructive testing of a stone masonry. The tomography implies that a ill posed linear equations system has to be solved, in order to determine the attenuation distribution inside the tested structure, thus highlighting the presence of anomalies. The algebraic problem of the attenuation tomography inversion has been deepened, and the solving algorithm has been numerically developed. The entire process has been implemented in an automated procedure that allows the user to easily obtain a map of the attenuation distribution in the tomographic section of the object.
Smart cities and 6G are technological areas that have the potential to transform the way we live ... more Smart cities and 6G are technological areas that have the potential to transform the way we live and work in the years to come. Until this transformation comes into place, there is the need, underlined by research and market studies, for a critical reassessment of the entire wireless communication sector for smart cities, which should include the IoT infrastructure, economic factors that could improve their adoption rate, and strategies that enable smart city operations. Therefore, from a technical point of view, a series of stringent issues, such as interoperability, data privacy, security, the digital divide, and implementation issues have to be addressed. Notably, to concentrate the scrutiny on smart cities and the forthcoming influence of 6G, the groundwork laid by the current 5G, with its multifaceted role and inherent limitations within the domain of smart cities, is embraced as a foundational standpoint. This examination culminates in a panoramic exposition, extending beyond ...
Computer vision algorithms implementations, especially for real-time applications, are present in... more Computer vision algorithms implementations, especially for real-time applications, are present in a variety of devices that we are currently using (from smartphones or automotive applications to monitoring/security applications) and pose specific challenges, memory bandwidth or energy consumption (e.g., for mobility) being the most notable ones. This paper aims at providing a solution to improve the overall quality of real-time object detection computer vision algorithms using a hybrid hardware–software implementation. To this end, we explore the methods for a proper allocation of algorithm components towards hardware (as IP Cores) and the interfacing between hardware and software. Addressing specific design constraints, the relationship between the above components allows embedded artificial intelligence to select the operating hardware blocks (IP cores)—in the configuration phase—and to dynamically change the parameters of the aggregated hardware resources—in the instantiation pha...
In this paper, we present the implementation of a system that identifies the modulation of comple... more In this paper, we present the implementation of a system that identifies the modulation of complex radio signals. This is realized using an artificial intelligence model developed, trained, and integrated with Microsoft Azure cloud. We consider that cloud-based platforms offer enough flexibility and processing power to use them instead of conventional computers for signal processing based on artificial intelligence. We tested the implementation using a software-defined radio platform developed in GNU Radio that generates and receives real modulated signals. This process ensures that the solution proposed is viable to be used in real signal processing systems. The results obtained show that for certain modulation types, the identification is performed with a high degree of success. The use of a cloud-based platform allows quick access to the system. The user is able to identify the signal modulation using only a laptop that has access to the internet.
One of the goals of next generation home entertainment is to provide realistic media contents to ... more One of the goals of next generation home entertainment is to provide realistic media contents to the users. Realistic media contents are media with multiple sensorial effects (mulsemedia) aimed at increasing user's experience through the five sense representation (i.e., taste, sight, touch, smell, and hearing). In this research area, a key issue is the interconnection between the various output devices that control the additional hardware, delivering the additional sensorial effects to the user. Besides the traditional point-to-point wired or wireless communication with the rendering devices for multisensorial media, novel communication architectures can be used, such as the ones based on the Internet of Things (IoT) paradigm. This paper presents an IoT-based architecture for Multisensorial Media, analysing the requirements and proposing a first proof of concept of the architecture.
One of the goals of next generation entertainment services is to provide realistic media contents... more One of the goals of next generation entertainment services is to provide realistic media contents to the users. The user's sense of reality can be reinforced by adding to conventional media multiple sensorial effects. In a home environment, for the delivery of additional effects, customary devices (e.g., air conditioning, lights, etc.), enhanced with “smart” features, could be preferred to ad-hoc devices, such as those often deployed in applications such as for example gaming systems. In this context, a key issue is the interconnection among the smart TV and the customary devices that deliver the additional sensorial effects to the user. In smart home use cases, the Internet of Things (IoT) paradigm has been widely adopted to connect smart devices and this paper presents an IoT-based experimental set-up for multi sensorial media delivery to users in a home entertainment scenario. The home customary devices act as smart objects interconnected by means of an IoT architecture to th...
Web applications are becoming more and more complex in an continuously growing Internet and Intra... more Web applications are becoming more and more complex in an continuously growing Internet and Intranet networks. Nowadays accessibility should not be considered as a barrier to innovation and the possibility of developing optimized accessible solutions in order to favor the reduction or elimination of the gap between those who can independently access web resources and those who can not (in particular people with visual impairment) is a requirement that is indispensable for the modern society. This paper presents a concept and proposes a solution to develop a mobile accessible rich internet web application, presenting its architecture, development environment, as well as the adaptive and responsive capabilities using the AMP (Accelerated Mobile Pages) publishing technology and its advantages.
In the last few years, one of the main characteristics of the current technological development i... more In the last few years, one of the main characteristics of the current technological development is the constantly increasing need for data exchange among various types of devices, both mobile and fixed. Within this context, the direct communications between devices has the potential to create new, location-based peer-to-peer applications and services, as well as to help offload traffic from the congested traditional cellular networks. The main hurdles for this kind of Device to Device (D2D) communications are throughput, spectral efficiency, latency and fairness. Most of these hurdles can be overcome by the use of the new Social IoT (SIoT) paradigm, of things and people involved together in the network, guided autonomously by social relationships following the rules set by their owners. This paper aims to investigate the state of the art of socially-driven D2D communications. Upon an initial analysis, we perform an in-deep literature investigation of the main directions in which soc...
IEEE Transactions on Network and Service Management, 2018
The constantly increasing need for data exchange among various types of devices, mobile and fixed... more The constantly increasing need for data exchange among various types of devices, mobile and fixed, is one of the main characteristics of the technological development in the last few years. Within this context, the possibility to deliver content to more devices into the same domestic environment is very interesting for both consumers and service providers. The main hurdle for the Device to Device (D2D) communications is the available bandwidth and implicitly the used radio technology and frequency range. From this point of view, the so called TV White Spaces (TVWS) are an ideal candidate for short range communications, but have the problem of the interference management with the licensed services already operating there. This problem can be alleviated by using cooperative, distributed spectrum sensing techniques. This paper proposes an innovative approach for D2D communications in a real indoor environment, based on a Social Internet of Things (SIoT) architecture able to involve all participating objects in a twofold procedure, gathering both spectrum sensing and Quality of Service (QoS) data and weighting the received information using a novel trustworthiness algorithm. The algorithm, together with the entire SIoT architecture, have been implemented and extensively tested in a real indoor environment.
One of the goals of next generation TV broadcast services is to provide realistic media contents ... more One of the goals of next generation TV broadcast services is to provide realistic media contents to the users. The user's sense of reality can be reinforced by adding to conventional media multiple sensorial effects, through five-sense stimulus (i.e., taste, sight, touch, smell, and hearing). In a smart TV broadcasting context, especially in a home environment, to deliver the additional effects, customary devices (e.g., air conditioning, lights, etc.), provided of opportune smart features, have to be preferred to ad-hoc devices, often deployed in other applications as for example in gaming systems. In this context, a key issue is the interconnection among the smart TV and the customary devices that deliver the additional sensorial effects to the user. In smart home use cases, the Internet of Things (IoT) paradigm has been widely adopted to connect smart devices and this paper presents an IoT-based architecture for multi sensorial media delivery to TV users in a home entertainment scenario. In such a framework, home customary devices, act as smart objects interconnected via IoT network to the smart TV and play a role to implement additional effects to the conventional broadcast TV service. In this paper, the requirements in terms of synchronization between media and devices is analyzed and the architecture of the system is defined accordingly. Furthermore, a prototype is implemented in a real smart home scenario with real customary devices, which allowed a subjective test measurement campaign to assess the quality of experience of the users and the feasibility of the proposed multi sensorial media TV service.
The provision to the users of realistic media contents is one of the main goals of future media s... more The provision to the users of realistic media contents is one of the main goals of future media services. The sense of reality perceived by the user can be enhanced by adding various sensorial effects to the conventional audiovisual content, through the stimulation of the five senses stimulation (sight, hearing, touch, smell and taste), the so-called multi-sensorial media (mulsemedia). To deliver the additional effects within a smart home (SH) environment, custom devices (e.g., air conditioning, lights) providing opportune smart features, are preferred to adhoc devices, often deployed in a specific context such as for example in gaming consoles. In the present study, a prototype for a mulsemedia TV application, implemented in a real smart home scenario, allowed the authors to assess the user's Quality of Experience (QoE) through test measurement campaign. The impact of specific sensory effects (i.e., light, airflow, vibration) on the user experience regarding the enhancement of sense of reality, annoyance, and intensity of the effects was investigated through subjective assessment. The need for multi sensorial QoE models is an important challenge for future research in this field, considering the time and cost of subjective quality assessments. Therefore, based on the subjective assessment results, this paper instantiates and validates a parametric QoE model for multi-sensorial TV in a SH scenario which indicates the relationship between the quality of audiovisual contents and user-perceived QoE for sensory effects applications.
2022 IEEE International Conference on Consumer Electronics (ICCE), 2022
In the past few years, within the Home Environment context, the TV set has regained its place tog... more In the past few years, within the Home Environment context, the TV set has regained its place together with the Smart Home (SH) concept. In this very dynamic framework, the use of health monitoring devices combined with typical SH appliances and having the TV set as the main interaction point, could allow the entire home environment to monitor the consumer's health status. This paper presents an initial architecture integrating health monitoring devices within the SH environment through a HbbTV - enabled TV set.
2017 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) & 2017 Intl Aegean Conference on Electrical Machines and Power Electronics (ACEMP), 2017
In this article we present our controlled environment and approach for reference-based color text... more In this article we present our controlled environment and approach for reference-based color texture digitization and color texture analysis in the context of color wooden textured surface analysis for the final goal of a valid, controlled and reproducible varnishing process. The color digitization process is performed using a color checker and controlled illumination, followed by a color correction step based on the assumption of a linear transformation. The color image acquisition protocol includes also multispectral data acquisition using a spectrophotometer. We demonstrate the usage of our approach both on raw and varnished wooden samples. Further on, we compute several color and color texture features for the analysis of the acquired color texture images. We present and discuss our results and conclude this paper.
Affordable low-power, short-range terrestrial communications are the current enabler for Internet... more Affordable low-power, short-range terrestrial communications are the current enabler for Internet of Things (IoT) and Machine to Machine (M2M) applications. Their main drawback resides in the need of a gateway that enables them to communicate with the world. Satellite gateways have become in the recent years more affordable, but nevertheless, the combined equipment and access costs are still prohibitive for large scale deployments of satellite applications. The goal of this paper is to describe a fully functional prototype for a low-cost satellite gateway based on an embedded Software Defined Radio (SDR) platform. The developed prototype, implemented as a standalone RF platform, will be able to route data between the satellite and M2M/IoT applications, covering on the terrestrial side the most common shortrange wireless protocols and standards (802.11b/g/n, ZigBee, BLE, etc.). The satellite link will be assured by adapting typical lightweight uplink and downlink protocols, already implemented and tested. This paper is focused on the terrestrial side implementation and experimental results.
2018 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB), 2018
One of the goals of future TV broadcast services is to provide realistic media contents to the us... more One of the goals of future TV broadcast services is to provide realistic media contents to the users. The user's sense of reality can be reinforced by adding to conventional media multiple sensorial effects, through five-sense stimulus (i.e., taste, sight, touch, smell, and hearing). In a smart home environment, to deliver the additional effects, customary devices (e.g., air conditioning, lights, etc.), provided of opportune smart features, have to be preferred to ad-hoc devices, often deployed in other applications as for example in gaming systems. In this context, a key issue is the interconnection among the TV and the customary devices that deliver the additional sensorial effects to the user. In such a framework, home customary devices play a role to implement additional effects to the conventional broadcast TV service. In this study, a prototype is implemented for broadcasting multi sensorial media in a real smart home scenario. Real customary devices are deployed. A subjective test measurement campaign based on mean opinion score was performed to assess the Quality of Experience of the users and the feasibility of the proposed multi sensorial media TV service.
2020 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB), 2020
Recent studies have started to consider the HbbTV as the central hub to handle notifications rega... more Recent studies have started to consider the HbbTV as the central hub to handle notifications regarding the smart home devices. The HbbTV integrates into the multimedia TV contents the notifications coming from various smart home devices such as the smartphone, video door-phone, sensors, washing machine, etc. Therefore, there is a need to evaluate the impact on-screen notifications would have on the user’s perceived Quality of Experience (QoE). In some cases, notifications may annoy the user and negatively impact the QoE perceived for the watched video contents. For these reasons, a subjective quality assessment is presented in order to evaluate the impact of onscreen notifications while users are watching TV video contents. Test participants were recorded while watching the video because, using the eye’s gaze direction, the attention of the participants towards notifications was measured.
This paper presents the results of a subjective test campaign performed on a real smart home scen... more This paper presents the results of a subjective test campaign performed on a real smart home scenario and aimed at assessing the enrichment of the quality of experience of real users. A proof of concept of an IoT based architecture deploying customary devices in a smart home environment is implemented and used for test assessments. If opportunely embedded on the content stream or in the broadcasting transmission technology, multi sensorial meta data could be interpreted by a smart TV and used in a smart home environment to provide users with an enriched TV experience, via the proposed IoT architecture.
Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 2019
Web based thin clients are applications delivering content from the Internet or Intranet and acce... more Web based thin clients are applications delivering content from the Internet or Intranet and accessed via the browser on the running end device. These clients are portable and cross-device compatible and have a large spectrum of applications, can perform from tele-measurement tasks to management and information centralization. The capability of web-based thin clients to function offline is a requirement that is indispensable even today for many companies because offline-enabled thin clients allow the users to continue working without workflow disturbance, preventing the loss of data, even when the connection to the Internet is missing or malfunctioning. This paper is dedicated to a “barrier-free” cross-platform responsive and progressive web based thin client, presenting its architecture and development, as well as the offline capabilities using caching techniques and its advantages in resource management and information back-up and security.
2021 IoT Vertical and Topical Summit for Tourism, 2021
The demand for accessible tourism is growing, thus the tourism industry has recently stepped up i... more The demand for accessible tourism is growing, thus the tourism industry has recently stepped up its efforts to guarantee opportunities and services also to tourists with disabilities. The Social IoT (SIoT) paradigm can extend the advantages to contextualize heterogeneous objects in a social structure that includes also services, in order to accomplish an extended applicability in social strategy for sustainable tourist services. This paper proposes a SIoT-based system developed to provide dedicated services to tourists with disabilities, facilitating and improving their travel experience. The proposed system can also allow tourist facilities and structures such as airports, train stations, museums, etc., to guarantee suitable accessibility providing dedicated itineraries or simply establishing a direct relationship with users with disabilities.
Proceedings of the Twelfth International Conference on Civil, Structural and Environmental Engineering Computing, Aug 14, 2009
In this paper, the computerised acoustic attenuation tomography imaging has been analysed, implem... more In this paper, the computerised acoustic attenuation tomography imaging has been analysed, implemented and then performed for non destructive testing of a stone masonry. The tomography implies that a ill posed linear equations system has to be solved, in order to determine the attenuation distribution inside the tested structure, thus highlighting the presence of anomalies. The algebraic problem of the attenuation tomography inversion has been deepened, and the solving algorithm has been numerically developed. The entire process has been implemented in an automated procedure that allows the user to easily obtain a map of the attenuation distribution in the tomographic section of the object.
Smart cities and 6G are technological areas that have the potential to transform the way we live ... more Smart cities and 6G are technological areas that have the potential to transform the way we live and work in the years to come. Until this transformation comes into place, there is the need, underlined by research and market studies, for a critical reassessment of the entire wireless communication sector for smart cities, which should include the IoT infrastructure, economic factors that could improve their adoption rate, and strategies that enable smart city operations. Therefore, from a technical point of view, a series of stringent issues, such as interoperability, data privacy, security, the digital divide, and implementation issues have to be addressed. Notably, to concentrate the scrutiny on smart cities and the forthcoming influence of 6G, the groundwork laid by the current 5G, with its multifaceted role and inherent limitations within the domain of smart cities, is embraced as a foundational standpoint. This examination culminates in a panoramic exposition, extending beyond ...
Computer vision algorithms implementations, especially for real-time applications, are present in... more Computer vision algorithms implementations, especially for real-time applications, are present in a variety of devices that we are currently using (from smartphones or automotive applications to monitoring/security applications) and pose specific challenges, memory bandwidth or energy consumption (e.g., for mobility) being the most notable ones. This paper aims at providing a solution to improve the overall quality of real-time object detection computer vision algorithms using a hybrid hardware–software implementation. To this end, we explore the methods for a proper allocation of algorithm components towards hardware (as IP Cores) and the interfacing between hardware and software. Addressing specific design constraints, the relationship between the above components allows embedded artificial intelligence to select the operating hardware blocks (IP cores)—in the configuration phase—and to dynamically change the parameters of the aggregated hardware resources—in the instantiation pha...
In this paper, we present the implementation of a system that identifies the modulation of comple... more In this paper, we present the implementation of a system that identifies the modulation of complex radio signals. This is realized using an artificial intelligence model developed, trained, and integrated with Microsoft Azure cloud. We consider that cloud-based platforms offer enough flexibility and processing power to use them instead of conventional computers for signal processing based on artificial intelligence. We tested the implementation using a software-defined radio platform developed in GNU Radio that generates and receives real modulated signals. This process ensures that the solution proposed is viable to be used in real signal processing systems. The results obtained show that for certain modulation types, the identification is performed with a high degree of success. The use of a cloud-based platform allows quick access to the system. The user is able to identify the signal modulation using only a laptop that has access to the internet.
One of the goals of next generation home entertainment is to provide realistic media contents to ... more One of the goals of next generation home entertainment is to provide realistic media contents to the users. Realistic media contents are media with multiple sensorial effects (mulsemedia) aimed at increasing user's experience through the five sense representation (i.e., taste, sight, touch, smell, and hearing). In this research area, a key issue is the interconnection between the various output devices that control the additional hardware, delivering the additional sensorial effects to the user. Besides the traditional point-to-point wired or wireless communication with the rendering devices for multisensorial media, novel communication architectures can be used, such as the ones based on the Internet of Things (IoT) paradigm. This paper presents an IoT-based architecture for Multisensorial Media, analysing the requirements and proposing a first proof of concept of the architecture.
One of the goals of next generation entertainment services is to provide realistic media contents... more One of the goals of next generation entertainment services is to provide realistic media contents to the users. The user's sense of reality can be reinforced by adding to conventional media multiple sensorial effects. In a home environment, for the delivery of additional effects, customary devices (e.g., air conditioning, lights, etc.), enhanced with “smart” features, could be preferred to ad-hoc devices, such as those often deployed in applications such as for example gaming systems. In this context, a key issue is the interconnection among the smart TV and the customary devices that deliver the additional sensorial effects to the user. In smart home use cases, the Internet of Things (IoT) paradigm has been widely adopted to connect smart devices and this paper presents an IoT-based experimental set-up for multi sensorial media delivery to users in a home entertainment scenario. The home customary devices act as smart objects interconnected by means of an IoT architecture to th...
Web applications are becoming more and more complex in an continuously growing Internet and Intra... more Web applications are becoming more and more complex in an continuously growing Internet and Intranet networks. Nowadays accessibility should not be considered as a barrier to innovation and the possibility of developing optimized accessible solutions in order to favor the reduction or elimination of the gap between those who can independently access web resources and those who can not (in particular people with visual impairment) is a requirement that is indispensable for the modern society. This paper presents a concept and proposes a solution to develop a mobile accessible rich internet web application, presenting its architecture, development environment, as well as the adaptive and responsive capabilities using the AMP (Accelerated Mobile Pages) publishing technology and its advantages.
In the last few years, one of the main characteristics of the current technological development i... more In the last few years, one of the main characteristics of the current technological development is the constantly increasing need for data exchange among various types of devices, both mobile and fixed. Within this context, the direct communications between devices has the potential to create new, location-based peer-to-peer applications and services, as well as to help offload traffic from the congested traditional cellular networks. The main hurdles for this kind of Device to Device (D2D) communications are throughput, spectral efficiency, latency and fairness. Most of these hurdles can be overcome by the use of the new Social IoT (SIoT) paradigm, of things and people involved together in the network, guided autonomously by social relationships following the rules set by their owners. This paper aims to investigate the state of the art of socially-driven D2D communications. Upon an initial analysis, we perform an in-deep literature investigation of the main directions in which soc...
IEEE Transactions on Network and Service Management, 2018
The constantly increasing need for data exchange among various types of devices, mobile and fixed... more The constantly increasing need for data exchange among various types of devices, mobile and fixed, is one of the main characteristics of the technological development in the last few years. Within this context, the possibility to deliver content to more devices into the same domestic environment is very interesting for both consumers and service providers. The main hurdle for the Device to Device (D2D) communications is the available bandwidth and implicitly the used radio technology and frequency range. From this point of view, the so called TV White Spaces (TVWS) are an ideal candidate for short range communications, but have the problem of the interference management with the licensed services already operating there. This problem can be alleviated by using cooperative, distributed spectrum sensing techniques. This paper proposes an innovative approach for D2D communications in a real indoor environment, based on a Social Internet of Things (SIoT) architecture able to involve all participating objects in a twofold procedure, gathering both spectrum sensing and Quality of Service (QoS) data and weighting the received information using a novel trustworthiness algorithm. The algorithm, together with the entire SIoT architecture, have been implemented and extensively tested in a real indoor environment.
One of the goals of next generation TV broadcast services is to provide realistic media contents ... more One of the goals of next generation TV broadcast services is to provide realistic media contents to the users. The user's sense of reality can be reinforced by adding to conventional media multiple sensorial effects, through five-sense stimulus (i.e., taste, sight, touch, smell, and hearing). In a smart TV broadcasting context, especially in a home environment, to deliver the additional effects, customary devices (e.g., air conditioning, lights, etc.), provided of opportune smart features, have to be preferred to ad-hoc devices, often deployed in other applications as for example in gaming systems. In this context, a key issue is the interconnection among the smart TV and the customary devices that deliver the additional sensorial effects to the user. In smart home use cases, the Internet of Things (IoT) paradigm has been widely adopted to connect smart devices and this paper presents an IoT-based architecture for multi sensorial media delivery to TV users in a home entertainment scenario. In such a framework, home customary devices, act as smart objects interconnected via IoT network to the smart TV and play a role to implement additional effects to the conventional broadcast TV service. In this paper, the requirements in terms of synchronization between media and devices is analyzed and the architecture of the system is defined accordingly. Furthermore, a prototype is implemented in a real smart home scenario with real customary devices, which allowed a subjective test measurement campaign to assess the quality of experience of the users and the feasibility of the proposed multi sensorial media TV service.
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Papers by Vlad Popescu