Applications and Usability of Interactive TV : 10th Iberoamerican Conference, JAUTI 2021, Sangolquí, Ecuador, December 2–3, 2021, Revised Selected Papers

This book constitutes thoroughly refereed and revised selected papers from the 10th Iberoamerican Conference on Applications and Usability of Interactive TV, jAUTI 2021, held in Sangolqui, Ecuador, during December 2–3, 2021. The 9 full papers included in this book were carefully reviewed and selected from 25 submissions. They were organized in topical sections as follows: ​Usability and UX; interaction techniques and accesibility; and technologies, services, and applications for interactive digital TV. Preface 6 Organization 7 Contents 9 I Usability and UX 11 The Importance of Personalization and Household Dynamics for Notifications in the TV Ecosystem 12 1 Introduction 12 2 Paving the Potential of Notifications in the TV Ecosystem 13 3 Methodology 14 3.1 Literature Review 14 3.2 Focus Group 17 4 Discussion of the Results 24 5 Conclusions and Future Work 26 References 27 Connect Elderly to Other Generations Through iTV: Evaluating Notifications’ Potential 29 1 Introduction 29 2 Technology to Promote Interactions 30 3 Methodology 31 3.1 Literature Review Protocol and Sample Characterization 31 3.2 Interviews Protocol and Sample Characterization 32 4 Results and Discussion 34 4.1 Literature Review 34 4.2 Interviews with the Elderly 36 5 Conclusions and Future Work 41 References 42 Interaction Techniques and Accessibility 45 Real-Time Emotion Recognition Through Video Conference and Streaming 46 1 Introduction 46 2 Related Work 47 3 Methodology 48 4 Results 54 5 Discussion and Conclusions 57 References 58 Emotional Meta-annotation of Educational Videos. A Review of Emotional Database Characterization 60 1 Introduction 60 2 Methodology 62 2.1 Search Strategy 62 2.2 Inclusion and Exclusion Criteria 63 2.3 Preliminary and Final Process 63 3 Results 66 3.1 Emotion Expression Mode 67 3.2 Annotations 67 3.3 Emotional Model 68 4 Discussion 69 4.1 Emotion Expression Mode 69 4.2 Annotations 70 4.3 Emotional Model 70 5 Conclusions and Future Work 71 References 72 Active and Healthy Aging: The Role of a Proactive Information Assistant Embedded on TV 77 1 Introduction 77 2 Seniors 79 3 Proposal for a Proactive Personal Information Assistant for Television 79 4 Methodology 82 5 Results and Discussion 84 6 Final Remarks 87 7 Future Work 89 References 89 Design and Development of an Assisted Ball Positioning System for Soccer Matches with an HBBTV Server Integrated to a Haptic TV Glove Accessible to Visually Impaired People 92 1 Introduction 92 2 Materials and Methods 94 2.1 Accessible Haptic TV Glove 94 2.2 Ball Positioning Assist System 96 2.3 HbbTV Server 98 2.4 IoT Server or Platform 99 3 Results 100 3.1 System Integration 100 3.2 Evaluation Results in Real Scenario 102 4 Conclusions and Future Work 107 References 108 Technologies, Services, and Applications for Interactive Digital TV 110 MixMyVisit – A Solution for the Automatic Creation of Videos to Enhance the Visitors’ Experience 111 1 Introduction 111 2 State of the Art 112 3 The MixMyVisit Proposal 113 3.1 Architecture 113 4 Evaluation 118 4.1 Results 120 5 Conclusions 123 References 123 Selection of Configurable Computer Module Applied to Home Automation and Interactive Digital Television 125 1 Introduction 125 2 Previous Works 126 3 Identified Application Scenarios 127 4 Proposed Solution 128 5 Conclusions and Future Works 136 References 137 A Process for Gathering Data to Train the NLU Module of a NLI System for ITV 139 1 Introduction 139 2 Background 140 3 Process for Gathering Training Data for NLI System 142 3.1 Field Trial Process for Collecting Training Data 144 3.2 Summary of the Operationalization Process 147 4 Results 147 4.1 Participants’ Characterization 147 4.2 Collection of Diversified and Natural Utterances 148 5 Conclusions 151 References 152 Author Index 154