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Train horn
The sound of an air horn which serves as an audible warning device on diesel and electric locomotives.
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Class breakdown
Dataset
Number of videos
Duration hours
Overall
2,275
6.3
Evaluation
62
0.2
Balanced train
63
0.2
Unbalanced train
2,150
6.0
Learn more about the dataset parts.
✓
We estimate this class has high quality
In a random sample of videos for this class, we found 10 / 10 (100%) were accurate. Note that quality in the unbalanced training set may be significantly lower.
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Evaluation videos for Train horn
62
videos
0.2
hours
View all 62 videos
Balanced train videos for Train horn
63
videos
0.2
hours
View all 63 videos
Unbalanced train videos for Train horn
2,150
videos
6.0
hours
View all 2,150 videos