NDLI: Effects of navigation design on Contextualized Video Interfaces

Content Provider	IEEE Xplore Digital Library
Author	Yi Wang Bowman, D.A.
Copyright Year	2011
Description	Author affiliation: Dept. of Computer Science and Center for Human-Computer Interaction, Virginia Tech, USA (Yi Wang; Bowman, D.A.)
Abstract	Real-time monitoring and responding to events observed across multiple surveillance cameras can pose an overwhelmingly high mental workload. Contextualized Video Interfaces (which place the surveillance videos within their spatial context) can be used to support these tasks. In order for users to integrate information from the videos and the spatial context as the events progress in real time, navigation interfaces are required. However, different tasks seem to favor different navigation techniques. In this paper, we describe the formal evaluation of four navigation designs for Contextualized Video Interfaces. The four designs arise from the consideration of two important factors of navigation techniques: navigation mode (manual or semi-automatic) and navigation context (overview or detailed view). To avoid a piecemeal understanding of the navigation techniques, we evaluated them using three tasks that have different information requirements. While semi-automatic navigation was generally preferable, low-DOF manual navigation techniques were found to be useful in certain situations. The choice between overview navigation and detailed-view navigation depends primarily on the user's information requirement in the task. Based on the findings, we provide guidelines on how to select designs according to task features.
Starting Page	27
Ending Page	34
File Size	1859761
Page Count	8
File Format	PDF
ISBN	9781457700637
e-ISBN	9781457700644
DOI	10.1109/3DUI.2011.5759213
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-03-19
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Context Evaluation Target tracking Navigation Multi-view interface Manuals Streaming media Cameras Video surveillance Three dimensional displays Contextualized Videos
Content Type	Text
Resource Type	Article

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