Feature Management

Face feature library management

Description of Class

FeatureManagerProxy

Member Function	Description	Version Introduced
int delete(int userId)	Delete face feature of user id	2.0.0
byte[] getFeature( Bitmap avatar)	Get face feature of the image	2.0.0
int insert(int userId, byte[] feature)	Insert feature library	2.0.0

Description of Member Function

int delete(int userId)

Delete face feature

Parameter

Parameter Name	Type	Description	Note	Version Introduced
userId	int	Face feature ID	None	2.0.0

Return

Return 0 if delete operation is successful, otherwise return -1 if invalid parameters -260 if face feature library is empty -261 if can't find

Exception

None

byte[] getFeature(Bitmap avatar)

Get face feature of the image

Parameter

Parameter Name	Type	Description	Note	Version Introduced
avatar	Bitmap	Clear image of the face for a single person	None	2.0.0

Return

Return face feature byte array

Exception

None

int insert(int userId, byte[] feature)

Insert feature library

Parameter

Parameter Name	Type	Description	Note	Version Introduced
userId	int	Face feature ID	None	2.0.0
feature	byte[]	Face feature byte array	None	2.0.0

Return

Return 0 if the insert operation is successful, otherwise return -1 if invalid parameters -259 if face feature fails to add into libary -262 if can't get UUID

Exception

None