/// <summary>
/// 获取人脸的数量
/// </summary>
/// <returns></returns>
public int FindFaceNum()
{
MultiFaceInfo faceInfo = DetectFaces();
//如果底层返回的数据并没有相框及角度信息，默认没有检测到人脸
if (faceInfo.faceOrient == IntPtr.Zero || faceInfo.faceRect == IntPtr.Zero)
{
return(0);
}
return(faceInfo.faceNum);
}
/// <summary>
/// 获取人脸检测结果
/// </summary>
/// <param name="image"></param>
/// <param name="bitmapImage"></param>
/// <returns></returns>
public MultiFaceInfo DetectFaces(Bitmap image, out BitmapImage bitmapImage)
{
bitmapImage = new BitmapImage(image);
bitmapImage.ParseImage();
MultiFaceInfo faceInfo = new MultiFaceInfo();
try
{
ResultCode result = (ResultCode)ASFAPI.ASFDetectFaces(hEngine, bitmapImage.Width, bitmapImage.Height, bitmapImage.Format, bitmapImage.ImageData, ref faceInfo);
if (result == ResultCode.成功)
{
return(faceInfo);
}
else
{
throw new Exception(result.ToString());
}
}
catch (Exception ex)
{
throw ex;
}
}
public static extern int ASFProcess(IntPtr hEngine, int width, int height, int format, byte[] imgData, MultiFaceInfo detectedFaces, int combinedMask);
public static extern int ASFDetectFaces(IntPtr hEngine, int width, int height, int format, byte[] data, ref MultiFaceInfo detectedFaces);
/// <summary>
/// 获取人脸的数量
/// </summary>
/// <returns></returns>
public int FindFaceNum()
{
MultiFaceInfo faceInfo = DetectFaces();
return(faceInfo.faceNum);
}