cn.smartjavaai.face.utils

类 FaceUtils

java.lang.Object

cn.smartjavaai.face.utils.FaceUtils

public class FaceUtils
extends Object

人脸检测相关工具类

作者:

dwj

构造器概要

构造器

构造器和说明
FaceUtils()

方法概要

限定符和类型	方法和说明
static float	convertScoreToSimilarity(String metricType, float score) 将 Milvus 查询返回的得分转换为 0~1 范围的相似度
static DetectionResponse	convertToDetectionResponse(ai.djl.modality.cv.output.DetectedObjects detection, ai.djl.modality.cv.Image img) 转换为FaceDetectedResult
static DetectionResponse	convertToDetectionResponse(com.seeta.sdk.SeetaRect[] seetaResult, List<com.seeta.sdk.SeetaPointF[]> seetaPointFSList) 转换为FaceDetectedResult
static DetectionRectangle	correctRect(DetectionRectangle rectangle, int imageWidth, int imageHeight) 修正检测框
static ai.djl.modality.cv.Image	cropFace(ai.djl.modality.cv.Image image, DetectionRectangle rectangle) 裁剪人脸
static void	drawBoxesWithFaceAttribute(BufferedImage sourceImage, DetectionResponse detectionResponse, String savePath) 绘制人脸属性
static double[][]	facePoints(List<Point> points) 子图中人脸关键点坐标 - Coordinates of key points in the image
static ai.djl.ndarray.NDArray	faceTemplate112x112(ai.djl.ndarray.NDManager manager) 112x112的目标点 - Target point of 112x112 standard 5 landmarks for FFHQ faces with 112x112
static ai.djl.ndarray.NDArray	faceTemplate512x512(ai.djl.ndarray.NDManager manager) 512x512的目标点 - Target point of 512x512 standard 5 landmarks for FFHQ faces with 512 x 512
static ai.djl.ndarray.NDArray	faceTemplate96x112(ai.djl.ndarray.NDManager manager) 96x112的目标点 - Target point of 96x112 standard 5 landmarks for FFHQ faces with 96x112
static DetectionResponse	featuresConvertToResponse(com.seeta.sdk.SeetaRect[] seetaResult, List<com.seeta.sdk.SeetaPointF[]> seetaPointFSList, List<float[]> featureList) 转换为FaceDetectedResult(人脸特征提取)
static DetectionResponse	featuresConvertToResponse(com.seeta.sdk.SeetaRect rect, com.seeta.sdk.SeetaPointF[] seetaPointFS, float[] feature) 转换为FaceDetectedResult(人脸特征提取)
static ai.djl.modality.cv.output.DetectedObjects	toDetectedObjects(MtcnnBatchResult mtcnnBatchResult, int imageWidth, int imageHeight) 将 Mtcnn 批量结果转换为 DJL 的 DetectedObjects

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

FaceUtils

public FaceUtils()

方法详细资料

convertToDetectionResponse

public static DetectionResponse convertToDetectionResponse(ai.djl.modality.cv.output.DetectedObjects detection,
                                                           ai.djl.modality.cv.Image img)

转换为FaceDetectedResult

参数:

detection -

img -

返回:

convertToDetectionResponse

public static DetectionResponse convertToDetectionResponse(com.seeta.sdk.SeetaRect[] seetaResult,
                                                           List<com.seeta.sdk.SeetaPointF[]> seetaPointFSList)

转换为FaceDetectedResult

参数:

seetaResult -

返回:

featuresConvertToResponse

public static DetectionResponse featuresConvertToResponse(com.seeta.sdk.SeetaRect[] seetaResult,
                                                          List<com.seeta.sdk.SeetaPointF[]> seetaPointFSList,
                                                          List<float[]> featureList)

转换为FaceDetectedResult(人脸特征提取)

参数:

seetaResult -

返回:

featuresConvertToResponse

public static DetectionResponse featuresConvertToResponse(com.seeta.sdk.SeetaRect rect,
                                                          com.seeta.sdk.SeetaPointF[] seetaPointFS,
                                                          float[] feature)

转换为FaceDetectedResult(人脸特征提取)

参数:

rect -

seetaPointFS -

feature -

返回:

correctRect

public static DetectionRectangle correctRect(DetectionRectangle rectangle,
                                             int imageWidth,
                                             int imageHeight)

修正检测框

参数:

rectangle -

imageWidth -

imageHeight -

返回:

facePoints

public static double[][] facePoints(List<Point> points)

子图中人脸关键点坐标 - Coordinates of key points in the image

参数:

points -

返回:

faceTemplate512x512

public static ai.djl.ndarray.NDArray faceTemplate512x512(ai.djl.ndarray.NDManager manager)

512x512的目标点 - Target point of 512x512 standard 5 landmarks for FFHQ faces with 512 x 512

参数:

manager -

返回:

faceTemplate112x112

public static ai.djl.ndarray.NDArray faceTemplate112x112(ai.djl.ndarray.NDManager manager)

112x112的目标点 - Target point of 112x112 standard 5 landmarks for FFHQ faces with 112x112

参数:

manager -

返回:

faceTemplate96x112

public static ai.djl.ndarray.NDArray faceTemplate96x112(ai.djl.ndarray.NDManager manager)

96x112的目标点 - Target point of 96x112 standard 5 landmarks for FFHQ faces with 96x112

参数:

manager -

返回:

drawBoxesWithFaceAttribute

public static void drawBoxesWithFaceAttribute(BufferedImage sourceImage,
                                              DetectionResponse detectionResponse,
                                              String savePath)
                                       throws IOException

绘制人脸属性

参数:

sourceImage -

detectionResponse -

savePath -

抛出:

IOException

convertScoreToSimilarity

public static float convertScoreToSimilarity(String metricType,
                                             float score)

将 Milvus 查询返回的得分转换为 0~1 范围的相似度

参数:

metricType - 向量度量方式：IP 或 L2

score - 原始得分（L2 为距离，IP 为相似度）

返回:

映射后的相似度（0~1）

cropFace

public static ai.djl.modality.cv.Image cropFace(ai.djl.modality.cv.Image image,
                                                DetectionRectangle rectangle)

裁剪人脸

参数:

image -

rectangle -

返回:

toDetectedObjects

public static ai.djl.modality.cv.output.DetectedObjects toDetectedObjects(MtcnnBatchResult mtcnnBatchResult,
                                                                          int imageWidth,
                                                                          int imageHeight)

将 Mtcnn 批量结果转换为 DJL 的 DetectedObjects

参数:

mtcnnBatchResult -

imageWidth -

imageHeight -

返回: