[+ 2.7.1] Visual Face based Scans the face from a device and extracts template and image data.

#include "BS_API.h"
 
int BS2_ScanFaceEx(void* context, uint32_t deviceId, BS2FaceEx* faceEx, uint8_t enrollmentThreshold, OnReadyToScan ptrReadyToScan);

• [In] context : Context
• [In] deviceId : Device ID
• [Out] faceEx : Face data settings pointer
• [In] enrollmentThreshold : Threshold required for face enrollment

Refer to BS2FaceConfig::enrollThreshold

• [Out] ptrReadyToScan : Callback function called when face scanning is ready

If successfully done, BS_SDK_SUCCESS will be returned.
If there is an error, the corresponding error code will be returned.