Research Article

Multimodal Indexing of Multilingual News Video

Table 2

Results for keyword spotting in speech with constrained keyword list.

Story idInstances of keywords presentKeywords foundRetrieval Performance
True positivesFalse PositivesRecall (%)Precision (%)F-measure (%)



English Channels
 E001125441.6755.5647.62
 E0024015337.5083.3351.72
 E003134130.7780.0044.44
 E0046717625.3773.9137.78
 E0059114815.3863.6424.78
 E0065112523.5370.5935.29
 E00771014.29100.0025.00
 E00871014.29100.0025.00
 E0092912441.3875.0053.33

Overall (English)317813125.5572.3237.76

Bangla Channels
 B00173042.86100.0060.00
 B002143121.4375.0033.33
 B003134130.7780.0044.44
 B00413127.6933.3312.50
 B005298327.5972.7340.00

Overall (Bangla)7619725.0073.0837.25

Overall 3931003825.4572.4637.66