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  • 1.
    Barkhuus, Louise
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Engström, Arvid
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Zoric, Goranka
    Watching the footwork: second screen interaction at a dance and music performance2014Ingår i: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, New York: Association for Computing Machinery (ACM), 2014, s. 1305-1314Konferensbidrag (Refereegranskat)
    Abstract [en]

    Interactive mobile technologies have become part of audience experiences of live performances in terms of both general media sharing and specific (sometimes official) extra content. At the same time, high bandwidth affords streaming of live events to mobile devices. We take advantage of these technologies in our high resolution, panoramic image video stream and study a scenario of audience members viewing the very same live event they are watching on a tablet. The video stream on the tablet is navigational and enables audience members to pan and zoom in the real-time video feed. We studied audience interaction and impressions in three performances of a dance and music show and found distinct uses of the second screen video stream. We emphasize that despite initial reluctance, the observed utilization of the technology opened up for new potential practices. Our study shows how working with perceived conflict in technology can still open up design space for interactive technologies.

  • 2.
    Barkhuus, Louise
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Zoric, Goranka
    Engström, Arvid
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Ruiz-Hidalgo, Javier
    Verzijp, Nico
    New interaction modes for rich panoramic live video experiences2014Ingår i: Behavior and Information Technology, ISSN 0144-929X, E-ISSN 1362-3001, Vol. 33, nr 8, s. 859-869Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The possibilities of panoramic video are based on the capabilities of high-resolution digital video streams and higher bandwidth's opportunities to broadcast, stream and transfer large content across platforms. With these opportunities also come challenges such as how to focus on sub-parts of the video stream and interact with the content shown on a large screen. In this paper, we present studies of two different interaction modes with a large-scale panoramic video for live experiences; we focus on interactional challenges and explore if it is (1) possible to develop new interactional methods/ways of approaching this type of high-resolution content and (2) feasible for users to interact with the content in these new ways. We developed prototypes for two different interaction modes: an individual system on a mobile device, either a tablet or a mobile phone, for interacting with the content on the same and a non-touch gesture-based system for the home or small group interaction. We present pilot studies where we explore the possibilities and challenges with these two interaction modes for panoramic content.

  • 3.
    Engström, Arvid
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Going Live: Collaborative Video Production After Television2012Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
    Abstract [en]

    This thesis explores social and creative practices that emerge with new mobile video technology. The work frames a design space that spans across both the social and technical domains. It associates emerging collaborative practices online with new means for producing and broadcasting media in real time, over mobile networks and using low-cost consumer technology just as these technologies are becoming widely available in the world. As a premise, we sketch a scenario where groups of non-professional users, enabled by new technology available in their mobile phones, produce live media collaboratively. We use detailed ethnographic inquiries into the practices of expert media producers to inform design and spur innovation of new technology. Over the course of the design research process, we have designed and developed two functional prototype systems and produced a number of theoretical contributions to the understanding of the collaborative mobile video space.

  • 4.
    Engström, Arvid
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Brunnberg, Liselott
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Carlsson, Josefin
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Juhlin, Oskar
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Instant broadcasting system: mobile collaborative live video mixing2009Ingår i: SIGGRAPH ASIA '09: Proceeding. ACM SIGGRAPH ASIA 2009 Art Gallery & Emerging Technologies: Adaptation, New York: ACM , 2009, s. 73-73Konferensbidrag (Refereegranskat)
    Abstract [en]

    With Instant Broadcasting System, people can collaboratively produce, edit, and broadcast live video using only mobile phones, a laptop computer, and available mobile networks. In this demonstration, it is used as a VJ system that supports visitor-generated video, flexible content selection, a communication back channel, and real-time loop editing. These features move the system beyond previous webcam-based VJ concepts.

  • 5.
    Engström, Arvid
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Esbjörnsson, Mattias
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Juhlin, Oskar
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Mobile collaborative live video mixing2008Ingår i: Mobile HCI 2008: Proceedings of the 10th international conference on Human computer interaction with mobile devices, New York: ACM , 2008, s. 157-166Konferensbidrag (Refereegranskat)
    Abstract [en]

    We report on design research investigating a possible combination of mobile collaborative live video production and VJing. In an attempt to better understand future forms of collaborative live media production, we study how VJs produce and mix visuals live. In the practice of producing visuals through interaction with both music and visitors, VJing embodies interesting properties that could inform the design of emerging mobile services. As a first step to examine a generation of new applications, we tease out some characteristics of VJ production and live performance. We then decide on the requirements both for how visitors could capture and transmit live video using their mobile phones and how this new medium could be integrated within VJ aesthetics and interaction. Finally, we present the SwarmCam application, which has been implemented to investigate these requirements.

  • 6.
    Engström, Arvid
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Esbjörnsson, Mattias
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Juhlin, Oskar
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Nighttime visual media production in club environments2008Ingår i: CHI 2008 Proceedings, Workshops: Presented at the Night and darkness: Interaction after dark, 2008Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

    We analyze how VJs produce visuals to support DJs in dark and noisy club environments, enhancing the overall experience. We suggest that mobile technologies could improve the interaction between the audience and the VJ. As a first step to the generation of new applications, we tease out some characteristics of VJ production and live performance, which might influence the design of such technologies. We specifically focus on the ways in which VJs interact with the audience and the computer interfaces, as well as how they orient towards specific aesthetical ideals.

  • 7.
    Engström, Arvid
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Esbjörnsson, Mattias
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Juhlin, Oskar
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Perry, Mark
    Producing, Collaborative Video: Developing an Interactive User Experience for Mobile TV2008Ingår i: UXTV '08: Proceedings of the 1st international conference on Designing interactive user experiences for TV and video, New York: ACM , 2008, s. 115-124Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

    This paper presents a study of professional live TV production, investigating the work and interactions between distributed camera operators and a vision mixer during an ice hockey game. Using interview and video data, we discuss the vision mixer's and camera operators' individual assignments, showing the role of video as both a topic and resource in their collaboration. Our findings are applied in a design-oriented examination into the interactive user experience of TV, and inform the development of mobile collaborative tools to support amateur live video production.

  • 8.
    Engström, Arvid
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Perry, Mark
    Juhlin, Oskar
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Amateur vision and recreational orientation: Creating live video together2012Ingår i: CSCW 2012: Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work, New York: Association for Computing Machinery (ACM), 2012, s. 651-660Konferensbidrag (Refereegranskat)
    Abstract [en]

    We explore the use of a live video broadcast system by a group of collaborating amateur camera operators to film an event on networked cameraphones. Using a detailed interaction analysis of their physical interactions and orientations to the work of others, we examine their choice of camera angles and positions in their filming as they attempt to provide interesting visual content and a coherent narrative. Our findings illustrate how users adapt their behaviour as co-ordination problems occur by drawing from a set of everyday visual practices (‘amateur vision’). The findings also show how the specifically temporal aspect of live video requires extended attention on its production, and that this is at odds with the ‘recreational orientation’ of amateur film crews who simultaneously participate in events for their own enjoyment and film them on behalf of other viewers. Implications for the design of collaborative live broadcast media are made, focusing on approaches to interaction design that augment users’ visual practices and allow users to look on behalf of others while experiencing places and events themselves.

  • 9.
    Engström, Arvid
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Zoric, Goranka
    Juhlin, Oskar
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Toussi, Ramin
    The Mobile Vision Mixer: A mobile network based live video broadcasting system in your mobile phone2012Ingår i: Proceedings of the 11th International Conference on Mobile and Ubiquitous Multimedia, Association for Computing Machinery (ACM), 2012Konferensbidrag (Refereegranskat)
    Abstract [en]

    Mobile broadcasting services, allowing people to stream live video from their cameraphones to viewers online, are becoming widely used as tools for user-generated content. The next generation of these services enables collaboration in teams of camera operators and a director producing an edited broadcast. This paper contributes to this research ...area by exploring the possibility for the director to join the camera team on location, performing mixing and broadcasting on a mobile device. The Mobile Vision Mixer prototype embodies a technical solution for connecting four camera streams and displaying them in a mixer interface for the director to select from, under the bandwidth constraints of mobile networks. Based on field trials with amateur users, we discuss technical challenges as well as advantages of enabling the director to be present on location, in visual proximity of the camera team.

  • 10.
    Juhlin, Oskar
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Engström, Arvid
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Perry, Mark
    Broth, Mathias
    Temporal hybridity: Mixing live video footage with instant replay in real time2010Ingår i: CHI 2010: Proceedings of the 28th international conference on Human factors in computing systems, New York: ACM , 2010, s. 1495-1504Konferensbidrag (Refereegranskat)
    Abstract [en]

    In this paper we explore the production of streaming media that involves live and recorded content. To examine this, we report on how the production practices and process are conducted through an empirical study of the production of live television, involving the use of live and non-live media under highly time critical conditions. In explaining how this process is managed both as an individual and collective activity, we develop the concept of temporal hybridity to explain the properties of these kinds of production system and show how temporally separated media are used, understood and coordinated. Our analysis is examined in the light of recent developments in computing technology and we present some design implications to support amateur video production.

  • 11.
    Juhlin, Oskar
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Engström, Arvid
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Reponen, Erika
    Mobile broadcasting – The whats and hows of live video as a social medium2010Ingår i: Mobile HCI 2010: Proceedings of the 12th international conference on Human computer interaction with mobile devices and services, New York: ACM , 2010, s. 35-44Konferensbidrag (Refereegranskat)
    Abstract [en]

    A new type of social medium, which allows users to broadcast live video from mobile devices to websites on the internet, is becoming increasingly popular. We provide a qualitative content analysis of a sample from four such services. The analysis specifically focuses on the topics presented, camerawork, and coordination, in order to investigate the possibilities and barriers to wider adoption of this new social medium. Although the services are growing in numbers of users, the study reveals an immature application area. People struggle to find interesting topics to broadcast and to manage the camera in a way that presents them in an appealing form. But there are also examples of topics such as artistic performances and tours, as well as ways to conduct live transitions and coordination, that point to a more medium-specific way of using these services. The results indicate that providing the opportunity to broadcast live video is not enough, and that there is now a need to design for amateurs' appropriation of camera handling techniques.

  • 12.
    Juhlin, Oskar
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Engström, Arvid
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Önnevall, Elin
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Long Tail TV revisited: From ordinary camera phone use to Pro-Am video production2014Ingår i: CHI '14 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, New York: Association for Computing Machinery (ACM), 2014, s. 1325-1334Konferensbidrag (Refereegranskat)
    Abstract [en]

    Pro-Am live video producers broadcast events on a regular basis. They are here selected for an ethnographic study since their continuous content generation can teach us something of what it takes for amateurs, who currently struggle with mastering the video medium, to become proficient producers. We learn from media theory that Pro- Ams are distinguished from professionals in terms of inherent skills and identities, and have therefore focused on these characteristics. We add to this research by showing on-going challenges that the former face in their production, i.e. how their learning practices, such as learning through instructions, are situated and related to particular settings. Learning and development of skills were done as organizations, rather than as individuals. Furthermore, the recurrent nature of both events and broadcasts appears to be an important condition for establishing the terms needed to carry out a production, and to learn the skills of a producer. This understanding may explain in part why accounts in previous research, of single users struggling with the affordances of live video, point to such difficulties in mastering the medium. The findings guide design to better support activities contiguous with the set-up of the production, rather than the broadcast per se. 

  • 13.
    Juhlin, Oskar
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Zoric, Goranka
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Engström, Arvid
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Reponen, Erika
    Video interaction: a research agenda2014Ingår i: Personal and Ubiquitous Computing, ISSN 1617-4909, E-ISSN 1617-4917, Vol. 18, nr 3, s. 685-692Artikel i tidskrift (Refereegranskat)
  • 14. Niamut, Omar Aziz
    et al.
    Engström, Arvid
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Kochale, Axel
    Macq, Jean-Francois
    Thomas, Graham
    Zoric, Goranka
    Application scenarios and deployment domains2014Ingår i: Media Production, Delivery and Interaction for Platform Independent Systems: Format-Agnostic Media / [ed] Oliver Schreer, Jean-Francois Macq, Omar Aziz Niamut, Javier Ruiz-Hidalgo, Ben Shirley, Georg Thallinger, Graham Thomas, Chichester: John Wiley & Sons, 2014, s. 337-357Kapitel i bok, del av antologi (Övrigt vetenskapligt)
  • 15. Perry, Mark
    et al.
    Juhlin, Oskar
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Engström, Arvid
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Dealing with Time, Just in Time Sense-Making and Clip Allocation in Multiperson, Multistream, Live Replay TV Production2014Ingår i: Studies of Video Practices: Video at Work / [ed] Broth, M.; Laurier, E.; Mondada, L., London: Routledge, 2014, Vol. 64, s. 262-285Kapitel i bok, del av antologi (Refereegranskat)
  • 16. Perry, Mark
    et al.
    Juhlin, Oskar
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Engström, Arvid
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Dealing with Time, Just in Time: Sense-making and Clip Allocation in Mult-Person, Multi-Stream, Live Play TV Production2014Ingår i: Studies of Video Practices: Video at Work / [ed] Mathias Broth, Eric Laurier and Lorenza Mondada, New York: Routledge, 2014Kapitel i bok, del av antologi (Övrigt vetenskapligt)
  • 17.
    Perry, Mark
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Juhlin, Oskar
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Esbjörnsson, Mattias
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Engström, Arvid
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Lean collaboration through video gestures: co-ordinating the production of live televised sport2009Ingår i: CHI '09: Proceedings of the 27th international conference on Human factors in computing systems, New York: ACM , 2009, s. 2279-2288Konferensbidrag (Refereegranskat)
    Abstract [en]

    This paper examines the work and interactions between camera operators and a vision mixer during an ice hockey match, and presents an interaction analysis using video data. We analyze video-mediated indexical gestures in the collaborative production of live sport on television between distributed team members. The findings demonstrate how video forms the topic, resource and product of collabora-tion: whilst it shapes the nature of the work (editing), it is simultaneously also the primary resource for supporting mutual orientation and negotiating shot transitions between remote participants (co-ordination), as well as its end prod-uct (broadcast). Our analysis of current professional activi-ties is used to develop implications for the design of future services for live collaborative video production.

  • 18. Thomas, Graham
    et al.
    Engström, Arvid
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Macq, Jean-Francois
    Niamut, Omar Aziz
    Shirley, Ben
    Salmon, Richard
    State-of-the-Art and Challenges in Media Production, Broadcast and Delivery2014Ingår i: Media production, delivery and interaction for platform independent systems: format-agnostic media / [ed] Oliver Schreer, Chichester: John Wiley & Sons, 2014, s. 5-73Kapitel i bok, del av antologi (Övrigt vetenskapligt)
  • 19. Weilenmann, Alexandra
    et al.
    Säljö, Roger
    Engström, Arvid
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Mobile Video Literacy: Negotiating the Use of a New Visual Technology2014Ingår i: Personal and Ubiquitous Computing, ISSN 1617-4909, E-ISSN 1617-4917, Vol. 18, nr 3, s. 737-752Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    In this article, we examine the practice of learning to produce video using a new visual technology. Drawing upon a design intervention at a science centre, where a group of teenagers tried a new prototype technology for live mobile video editing, we show how the participants struggle with both the content and the form of producing videos, i.e. what to display and how to do it in a comprehensible manner. We investigate the ways in which video literacy practices are negotiated as ongoing accomplishments, and explore the communicative and material resources relied upon by participants as they create videos. Our results show that the technology is instrumental in this achievement and that as participants begin to master the prototype, they start to focus more on the narrative aspects of communicating the storyline of a science centre exhibit. The participants are explicitly concerned with such issues as how to create a comprehensible storyline for an assumed audience, what camera angles to use, how to cut and other aspects of the production of a video. We consider these observed activities to be candidate steps in an emerging mobile video literacy trajectory that involves developing a capacity to document and argue by means of this specific medium.

  • 20.
    Zoric, Goranka
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Engström, Arvid
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Barkhuus, Louise
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutionen för data- och systemvetenskap.
    Hidalgo, Javier Ruiz
    Kochale, Axel
    Gesture Interaction with Rich TV Content in the Social Setting2014Ingår i: Proceedings of TVUX-2013: Workshop on Exploring and Enhancing the User Experience for TV at ACM CHI 2013, 27 April 2013, Paris, France, 2014Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

    The appearance of new immersive TV content has increased the interactive possibilities presented to the viewers. Increased interactivity is seen as a valuable feature in viewing richer television content, but new functionalities are limited by what can be done naturally and intuitively using available devices like remote controls. Therefore, new interaction techniques, such as visual gestures control systems, have appeared aiming to enhance the viewers’ viewing experience. In this work we begin uncovering the potential and challenges of gesture interaction with ultra high definition video for people watching TV together. As a first step we have done a study with a group of people interacting with such content using a gesture-based system in the home environment.

1 - 20 av 20
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