NVIDIA Tegra
NVIDIA DeepStream SDK
4.0.2 Release

 
Application Tuning for DeepStream SDK
 
Reducing Spurious Detections
This section provides application tuning tips for the DeepStream SDK using the following parameters in the configuration file.
Reducing Spurious Detections
Configuration Parameter
Description
Use Case
threshold
Per-class-threshold of primary detector.
Increasing the threshold restricts output to objects with higher detection confidence.
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roi-top-offset
roi-bottom-offset
Per-class top/bottom region of interest (RoI) offset.
Restricts output to objects in a specified region of the frame.
To reduce spurious detections seen on the dashboard of dashcams
detected-min-w
detected-min-h
detected-max-w
detected-max-h
Per-class min/max object width/height for primary-detector
Restricts output to objects of specified size.
To reduce false detections, for example, a tree being detected as a person