digiKam Developer Documentation
Professional Photo Management with the Power of Open Source
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Digikam::DNNFaceExtractorBase Class Referenceabstract
+ Inheritance diagram for Digikam::DNNFaceExtractorBase:

Public Member Functions

virtual cv::Mat alignFace (const cv::Mat &inputImage) const =0
 
virtual cv::UMat alignFace (const cv::UMat &inputImage) const =0
 
virtual cv::Mat getFaceEmbedding (const cv::Mat &faceImage)=0
 
virtual cv::Mat getFaceEmbedding (const cv::UMat &faceImage)=0
 
virtual float getThreshold (int uiThreshold=DNN_MODEL_THRESHOLD_NOT_SET) const =0
 Cover the UI threshold to a float using the conversion factor built into the model.
 
virtual bool loadModels ()=0
 Read pretrained neural network for face recognition.
 

Static Public Member Functions

static double cosineDistance (const std::vector< float > &v1, const std::vector< float > &v2)
 Calculate different between 2 vectors.
 
static std::vector< float > decodeVector (const QJsonArray &json)
 
static QJsonArray encodeVector (const std::vector< float > &vector)
 
static double L2squareDistance (const std::vector< float > &v1, const std::vector< float > &v2)
 
static double L2squareNormDistance (const std::vector< float > &v1, const std::vector< float > &v2)
 
static cv::Mat vectortomat (const std::vector< float > &vector)
 Convert face embedding between different formats.
 

Member Function Documentation

◆ getThreshold()

virtual float Digikam::DNNFaceExtractorBase::getThreshold ( int  uiThreshold = DNN_MODEL_THRESHOLD_NOT_SET) const
pure virtual

Implemented in Digikam::DNNSFaceExtractor.

◆ loadModels()

virtual bool Digikam::DNNFaceExtractorBase::loadModels ( )
pure virtual

Implemented in Digikam::DNNSFaceExtractor.