/// <summary>
/// 提取人脸特征，多人脸默认取第一个人脸特征
/// </summary>
/// <param name="pEngine">引擎Handle</param>
/// <param name="image">图像</param>
/// <returns>保存人脸特征结构体指针</returns>
public static FaceFeature ExtractFeature(FaceEngine faceEngine, Image image, out SingleFaceInfo singleFaceInfo, ref int retCode, int faceIndex = 0)
{
FaceFeature faceFeature = new FaceFeature();
singleFaceInfo = new SingleFaceInfo();
try
{
if (image == null)
{
return(faceFeature);
}
MultiFaceInfo multiFaceInfo = new MultiFaceInfo();
//人脸检测
retCode = faceEngine.ASFDetectFacesEx(image, out multiFaceInfo);
if (retCode != 0)
{
return(faceFeature);
}
singleFaceInfo.faceOrient = multiFaceInfo.faceOrients[faceIndex];
singleFaceInfo.faceRect = multiFaceInfo.faceRects[faceIndex];
retCode = faceEngine.ASFFaceFeatureExtractEx(image, multiFaceInfo, out faceFeature, faceIndex);
}
catch (Exception ex)
{
LogUtil.LogInfo(typeof(FaceUtil), ex);
}
return(faceFeature);
}
/// <summary>
/// 提取人脸特征，多人脸默认取第一个人脸特征
/// </summary>
/// <param name="pEngine">引擎Handle</param>
/// <param name="image">图像</param>
/// <param name="thresold">图像质量检测阈值</param>
/// <returns>保存人脸特征结构体指针</returns>
public static FaceFeature ExtractFeature(FaceEngine faceEngine, Image image, float thresoldImg, float thresoleImgMask, ASF_RegisterOrNot registerOrNot, out SingleFaceInfo singleFaceInfo, out bool isMask, ref string featureResult, out int retCode, int faceIndex = 0)
{
FaceFeature faceFeature = new FaceFeature();
singleFaceInfo = new SingleFaceInfo();
isMask = false;
retCode = -1;
try
{
if (image == null)
{
return(faceFeature);
}
MultiFaceInfo multiFaceInfo;
//人脸检测
retCode = faceEngine.ASFDetectFacesEx(image, out multiFaceInfo);
if (retCode != 0 || multiFaceInfo.faceNum <= 0)
{
featureResult = string.Format("{1},接口返回值:{0}", retCode, retCode != 0 ? "人脸检测失败" : "检测到的人脸数为0");
return(faceFeature);
}
singleFaceInfo.faceOrient = multiFaceInfo.faceOrients[faceIndex];
singleFaceInfo.faceRect = multiFaceInfo.faceRects[faceIndex];
singleFaceInfo.faceDataInfo = multiFaceInfo.faceDataInfoList[faceIndex];
//口罩检测
MaskInfo maskInfo = MaskEstimation(faceEngine, image, singleFaceInfo, out retCode);
if (retCode != 0 || maskInfo.maskArray == null || maskInfo.maskArray.Length <= 0)
{
featureResult = string.Format("{1},接口返回值:{0}", retCode, retCode != 0 ? "口罩检测失败" : "检测到的口罩结果为空");
return(faceFeature);
}
isMask = maskInfo.maskArray[0].Equals(1);
//图像质量检测
float confidenceLevel = 0.0f;
retCode = faceEngine.ASFImageQualityDetectEx(image, multiFaceInfo, out confidenceLevel, faceIndex, isMask);
if (retCode != 0 || confidenceLevel < (isMask ? thresoleImgMask : thresoldImg))
{
featureResult = string.Format("{1},接口返回值:{0}", retCode, retCode != 0 ? "图像质量检测失败" : "图像质量过低");
return(faceFeature);
}
//特征提取
retCode = faceEngine.ASFFaceFeatureExtractEx(image, multiFaceInfo, registerOrNot, out faceFeature, faceIndex, isMask);
if (retCode != 0)
{
featureResult = string.Format("特征提取失败,接口返回值:{0}", retCode);
}
}
catch (Exception ex)
{
LogUtil.LogInfo(typeof(FaceUtil), ex);
}
return(faceFeature);
}
/// <summary>
/// IR图片人脸检测
/// </summary>
/// <param name="pEngine"></param>
/// <param name="image"></param>
/// <returns></returns>
public static MultiFaceInfo DetectFaceIR(FaceEngine faceEngine, Bitmap image)
{
MultiFaceInfo multiFaceInfo = null;
try
{
faceEngine.ASFDetectFacesEx(image, out multiFaceInfo, ASF_ImagePixelFormat.ASVL_PAF_GRAY);
}
catch (Exception ex)
{
LogUtil.LogInfo(typeof(FaceUtil), ex);
}
return(multiFaceInfo);
}
/// <summary>
/// 人脸检测
/// </summary>
/// <param name="pEngine">引擎Handle</param>
/// <param name="image">图像</param>
/// <returns></returns>
public static MultiFaceInfo DetectFace(FaceEngine faceEngine, Image image)
{
MultiFaceInfo multiFaceInfo = new MultiFaceInfo();
try
{
faceEngine.ASFDetectFacesEx(image, out multiFaceInfo);
}
catch (Exception ex)
{
LogUtil.LogInfo(typeof(FaceUtil), ex);
}
return(multiFaceInfo);
}
/// <summary>
/// 人脸检测
/// </summary>
/// <param name="pEngine">引擎Handle</param>
/// <param name="image">图像</param>
/// <returns></returns>
public static MultiFaceInfo DetectFaceAndLandMark(FaceEngine faceEngine, Image image)
{
MultiFaceInfo multiFaceInfo = null;
try
{
int retCode = faceEngine.ASFDetectFacesEx(image, out multiFaceInfo);
if (retCode == 0)
{
LandMarkInfo landmarkInfo = LandMarkEstimation(faceEngine, image, multiFaceInfo, out retCode);
if (retCode == 0)
{
multiFaceInfo.pointAyy = landmarkInfo.pointAyy;
}
}
}
catch (Exception ex)
{
LogUtil.LogInfo(typeof(FaceUtil), ex);
}
return(multiFaceInfo);
}
