dcase_util.data.DecisionEncoder.find_contiguous_regions
- DecisionEncoder.find_contiguous_regions(activity_array)[source]
Find contiguous regions from bool valued numpy.array. Transforms boolean values for each frame into pairs of onsets and offsets.
- Parameters
- activity_arraynumpy.array [shape=(t)]
Event activity array, bool values
- Returns
- numpy.ndarray [shape=(2, number of found changes)]
Onset and offset indices pairs in matrix