Usability Test Recording Indexing and Annotation
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Solution Overview
Problem
The time-consuming process of reviewing and analyzing usability test videos for Human-Computer Interaction (HCI) evaluation methods hinders efficient identification of usability problems in user interfaces.
Innovation Solution
A method and apparatus for indexing user interface test recordings by capturing interactions and event streams, synchronizing them, identifying points of interest, and annotating the recordings to facilitate navigation and analysis of usability issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If video recordings are manually reviewed and analyzed for usability testing, then comprehensive usability evaluation can be performed, but the analysis process becomes time-consuming
Solution Approach 1:
The system performs preliminary actions by automatically capturing video recordings and generating event streams with timestamps during the usability test execution. Index entries are pre-created for each user interface event, allowing practitioners to quickly navigate to specific events without manual review of entire video recordings, thus reducing analysis time while maintaining evaluation accuracy
Solution Approach 2:
The patent introduces an intermediary indexing system that bridges video recordings and usability events. The index contains entries linking user interface events to video timestamps and annotations, serving as a mediator that enables efficient navigation and analysis without requiring direct manual review of video content, thereby resolving the time-consuming nature of traditional analysis
2Loss of information
If detailed annotations are added to mark all usability events in video recordings, then comprehensive usability problem identification is achieved, but the complexity of the analysis system increases
Solution Approach 1:
The indexing system is segmented into distinct components: video recording capture, event stream generation, index entry creation, and annotation addition. Each component handles a specific aspect of the analysis process independently, making the overall system more manageable and less complex while still achieving comprehensive usability problem detection through the coordinated work of these segments
Solution Approach 2:
The system creates a simplified copy of usability event data in the form of index entries that reference video timestamps and contain key event information. This copy allows practitioners to analyze and navigate usability events without processing the entire video recording, reducing system complexity while maintaining complete usability problem detection capability
Data Source
AI summary
A method for indexing a user interface test recording includes capturing, during a session, a recording of a plurality of interactions with the user interface, capturing, during the session, an event stream including a plurality of user interface events, synchronizing, in time, the plurality of interactions and the plurality of user interface events, identifying a point of interest in the event stream, wherein the point of interest is correlated to a time in the recording by the synchronization, and annotating the recording at a time correlated to when the point of interest occurred.