Plan of the presentation The nist text Retrieval Conference

Plan of the presentation

The NIST TExt Retrieval Conference

Aims and Tasks

Search: different query types

Example search topics

The feature extraction task: overlay text

Features

Query techniques

Recognized text and speech

Binary features

Binary features - ranked queries

Temporal color features

The query tool

Querying

Stardom

Experiments

Example queries

Manual vs. interactive queries

Ranked binary queries: distance functions

Precision curves per topic

Precision curves consolidated

Comparison with other teams

Comparison with other teams

Speech

Color

Color

Recognized text

Conclusion and Outlook