![]() Subtitles, audio comments, and interactive features, For the encapsulation of multimediaĬontent comprising video, audio and metadata, such as Mkvtools special k plus#Joint container? For storing text plus metadata, this hasīecome common practice-a well-known example is the Thus, why notĮncapsulate gaze data alongside the stimuli material in a Visualization and visual analytics (VA) software. Overcome this problem and will form the basis for Mkvtools special k software#General audience, specialized software tools, which areĮxpensive or require compilation, are a major obstacle andĪn open and standardized exchange format will As aĬonsequence, special tools for accessing, visualizing andĪnalyzing these data and stimuli are needed. Text, XML, Matlab MAT format, or even binary. Unique-and stored in a diversity of formats, e.g., plain In addition to proprietary formats, where theĭata structure of the gaze information is unknown, theĭata structures are strongly customized-sometimes It is still common practice to store gaze informationīelonging to video stimuli next to the video file in customįile formats. We discuss the benefit of gaze data in a multimedia container and explain possible visual analytics approaches based on our implementations, converted datasets, and first user interviews. We also introduce two VLC player add-ons, allowing for further visual analytics. We convert several gaze data sets into our format, demonstrating the feasibility of our approach and allowing to visualize these data with standard multimedia players. We define an exchange format that can be interpreted by standard multimedia players and can be streamed via the Internet. We address this problem by using existing multimedia container formats for distributing and archiving eye-tracking and gaze data bundled with the stimuli data. Normally expensive or custom-made software is necessary for their analysis. These data are difficult to access even for experts and effectively inaccessible for non-experts. Unfortunately, in most cases, such data are collected in separate files in custom-made or proprietary data formats. With the increasing number of studies, where participants' eye movements are tracked while watching videos, the volume of gaze data records is growing tremendously. ![]()
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