Facial Feature Detection
Facial feature detection detects the key features of a human face in an input image, and returns the coordinates of key points that represent the facial contours.
SDK Download
Development Guide
- Capability Introduction
- Scenarios
- Description
- Guidance
Capability Introduction
Facial feature detection, contour dotting
This API is used to detect the key features on human faces in input images, and return the coordinates of the key points (276 landmark points) that represent the facial contours, providing input for processing for subsequent algorithms for beautification, facial modeling, and facial expression identification.
Scenarios
Beautification, facial expression recognition
This API provides the precise coordinates for key contour points for all five sense organs on a human face, and can be applied in diverse functions, including facial beautification, facial modeling, and facial expression recognition.
Facial beautification
This function implements targeted beautification, based on the location of facial features.
Facial modeling
This function assists in the conversion from a portrait to a 3D character model for photos, based on the positions of key facial features.
Description
Request
Copy
FaceLandMarkDetector lm = new FaceLandMarkDetector(mContext);
Frame frame = new Frame();
frame.setBitmap(mBitmap);
JSONObject jsonObject = lm.detectLandMark(frame, null);
List<FaceLandmark> landMarks = lm.convertResult(jsonObject);
Response
Copy
{
"resultCode": 0,
"landmark": "[{\"positionF\":
{\"x\":333.34082,\"y\":389.04736},\"type\":-1},
{\"positionF\":
Start development here with Huawei
Access preparation
Preparation for access, such as registration, authentication, and agreement signing
Learn more
API description
Interface parameter definition, description, restrictions, and constraints
Learn more
FAQ
1Can I call the faceCompare() method without calling the prepare() method of the API?
Yes, you can. The engine is started by default in the faceCompare() method. If the engine has already been started, it will not restart.
2When should I call the release() method?
The release() method will uninstall a model that has been loaded to the NPU chip. If the app is no longer using face detection, uninstall the model in a timely manner to free up resources.
©2023-2024 HUAWEI Developers. All rights reserved.
