# wx.faceDetect(Object object)

Start from base library version 2.18.0. Please remaining backward compatible.

with Promise style call: Not supported

Mini Program plugin: Not supported

Face recognition, you need to pass wx.initFaceDetect Once initialized, frame data returned using the camera interface is recommended

# parameter

attribute	type	Default values	Required	Introductions
frameBuffer	ArrayBuffer		yes	Image pixel data, each of four items representing a pixel RGBA
width	number		yes	Image width
height	number		yes	Image height
enablePoint	boolean	false	no	Whether to return the face of the current image 106 (Point)
enableConf	boolean	false	no	Whether to return the confidence level of the face of the current image (indicating organ occlusion)
enableAngle	boolean	false	no	Whether to return face angle information of current image
enableMultiFace	boolean	false	no	Whether to return information about multiple faces
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

attribute	type	Introductions
detectRect	Object	Face positive box value, the object contains height, weight, originX, originY 初始值
x	number	If the face cannot be detected, then -1
and	number	If the face cannot be detected by the center point of the face; -1
pointArray	Array.&ltObject&gt	Face 106 An array of dot positions each object contains x and and
confArray	Object	Face confidence, range of values [0, 1], the greater the value, the higher the confidence (less occlusion)
angleArray	Object	Face angle information, value range [-1, 1]The closer the values are, 0 The more you look at the camera,
faceInfo	Array.&ltObject&gt	Face information in enable multi-face mode, each object contains the above other attributes

res.confArray Structure

res.angleArray Structure

attribute	type	Introductions
pitch	number	Pitch angle (nod)
yaw	number	Yaw angle (shake head)
roll	number	Tumbling angle (left and right tilt)