HomeOntologyDatasetDownloadAbout

Jackhammer

The sound of a pneumatic or electro-mechanical tool that combines a hammer directly with a chisel, usually used to break up rock, pavement, and concrete. Wikipedia


View full entry in ontology
Class breakdown
DatasetNumber of videosDuration hours
Overall2810.8
Evaluation600.2
Balanced train600.2
Unbalanced train1610.4
Learn more about the dataset parts.

We estimate this class has medium quality

In a random sample of videos for this class, we found 5 / 10 (50%) were accurate. Note that quality in the unbalanced training set may be significantly lower. Learn more.

Evaluation videos for Jackhammer

60
videos
0.2
hours
View all 60 videos

Balanced train videos for Jackhammer

60
videos
0.2
hours
View all 60 videos

Unbalanced train videos for Jackhammer

161
videos
0.4
hours
View all 161 videos