Improving Access to Digital Video Archives through Informedia Technology
Informedia Digital Video Library Project
Informedia Library Creation
Informedia Library Exploration
Speech Recognition Functions
Use of Transcript Words in Search, Titles
Use of Speech-Aligned Timing of Words
Use of Alignment with Video Playback
Speech Recognition Accuracy
Knowledge Sources Used in Speech Recognition
Speech Recognition for Index Generation
Information Retrieval Recall vs. Speech Recognition Accuracy
Information Retrieval Precision vs. Speech Accuracy
Image Understanding Functions
Text and Face Detection
“Name-It” Face/Name Association
Named Entity Extraction
Enhancing Library Utility via Better Metadata
Direct Manipulation Interfaces to Library Info.
Displaying Metadata in Effective “Collages”
Zooming into “Collage” to Reveal Details
Example of “Chrono-Collage”
Credits
Email: christel@cs.cmu.edu
Home Page: http://www.cs.cmu.edu/~christel