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...The description guides you to adjust the settings and click the "Start" button to begin face detection.
The settings section provides two adjustable parameters:
Scale Factor: It is represented by a slider. You can modify the scale factor by moving the slider. The scale factor controls the size of the image pyramid used for face detection. Higher values increase the chance of detecting smaller faces.
Min Neighbors: It is also represented by a slider. You can adjust the minimum number of neighboring rectangles required for a region to be considered as a face. ...