Metavision Designer Data Filtering Sample¶
The Computer Vision API can be used for transforming the events stream and filtering events.
The sample in <install-prefix>/share/metavision/designer/cv/samples/metavision_filter_data.py shows how to acquire CD stream from an event-based device, apply filters and visualize the filtered events on the screen.
The following filters can be applied via command-line arguments:
metavision_designer_core.RoiFilter
metavision_designer_cv.TrailFilter
metavision_designer_core.FlipXFilter
metavision_designer_core.FlipYFilter
Expected Output¶
Metavision Filtering Data sample visualizes CD stream from an event-based device after applying specified filters:

How to start¶
To start the sample based on the live stream from your camera, run:
Linux
python3 /usr/share/metavision/designer/cv/samples/metavision_filter_data.py
Windows
python "C:\Program Files\Prophesee\share\metavision\designer\cv\samples\metavision_filter_data.py"
To check for additional options:
Linux
python3 /usr/share/metavision/designer/cv/samples/metavision_filter_data.py -h
Windows
python "C:\Program Files\Prophesee\share\metavision\designer\cv\samples\metavision_filter_data.py" -h