/// <summary>
/// 判断是否为活体
/// </summary>
/// <param name="idCardEngine">引擎</param>
/// <param name="faceRes">人脸信息</param>
/// <param name="bitmapRgb">RGB摄像头图片</param>
/// <param name="bitmapIr">IR摄像头图片</param>
/// <param name="livennessResultStr">活体检测字符串</param>
/// <returns></returns>
public static bool IsLiveness(IdCardEngine idCardEngine, FaceRes faceRes, Bitmap bitmapRgb, Bitmap bitmapIr, ref string livennessResultStr)
{
bool retRgb = false;
bool retIr = false;
StringBuilder builder = new StringBuilder();
if (faceRes.nFace > 0)
{
//判断RGB活体
if (bitmapRgb != null && idCardEngine.ArcSoft_FIC_Process(bitmapRgb, faceRes).Equals(0))
{
LivenessInfo liveness = null;
idCardEngine.ArcSoft_FIC_GetLivenessInfo(out liveness);
retRgb = liveness.isLive.Equals(1);
builder.AppendFormat(",RGB:{0}", TransLivenessResult(liveness.isLive));
}
//判断IR活体
if (bitmapIr != null && idCardEngine.ArcSoft_FIC_Process_IR(bitmapIr, faceRes).Equals(0))
{
LivenessInfo livenessIR = null;
idCardEngine.ArcSoft_FIC_GetLivenessInfo_IR(out livenessIR);
retIr = livenessIR.isLive.Equals(1);
builder.AppendFormat(",IR:{0}", TransLivenessResult(livenessIR.isLive));
}
}
livennessResultStr = builder.ToString();
return(retRgb && (retIr || bitmapIr == null));
}
/// <summary>
/// 人脸特征提取
/// </summary>
/// <param name="image">人脸图像</param>
/// <param name="faceRes">人脸信息检测结果</param>
/// <returns>接口返回码，返回0表示正常，返回其他值请在开发者中心-帮助中心查询</returns>
public int ArcSoft_FIC_FaceDataFeatureExtraction(Image image, ref FaceRes faceRes)
{
faceRes = new FaceRes();
IntPtr pFaceRes = MemoryUtil.Malloc(MemoryUtil.SizeOf <AFICFSDKFACERES>());
ASVLOFFSCREEN imagetemp = ImageUtil.ReadBmp(image, false);
IntPtr pInputFaceData = MemoryUtil.Malloc(MemoryUtil.SizeOf <ASVLOFFSCREEN>());
MemoryUtil.StructToPtr(imagetemp, pInputFaceData);
//调用SDK的人脸特征提取接口
int retCode = FICFunctions.ArcSoft_FIC_FaceDataFeatureExtraction(pEngine, mode, pInputFaceData, pFaceRes);
if (!retCode.Equals(0))
{
MemoryUtil.Free(pFaceRes);
MemoryUtil.Free(pInputFaceData);
MemoryUtil.Free(imagetemp.ppu8Plane[0]);
return(retCode);
}
AFICFSDKFACERES faceResStruct = MemoryUtil.PtrToStruct <AFICFSDKFACERES>(pFaceRes);
faceRes.nFace = faceResStruct.nFace;
faceRes.rcFace = faceResStruct.rcFace;
MemoryUtil.Free(pFaceRes);
MemoryUtil.Free(pInputFaceData);
MemoryUtil.Free(imagetemp.ppu8Plane[0]);
return(retCode);
}
/// <summary>
/// 人脸信息(IR活体)检测
/// </summary>
/// <param name="bitmap">人脸图像</param>
/// <param name="faceRes">人脸信息</param>
/// <param name="combinedMask">检测属性，默认IR活体检测</param>
/// <returns>接口返回码，返回0表示正常，返回其他值请在开发者中心-帮助中心查询</returns>
public int ArcSoft_FIC_Process_IR(Bitmap bitmap, FaceRes faceRes, int combinedMask = EngineMask.AFIC_LIVENESS_IR)
{
int retCode = -1;
ASVLOFFSCREEN imageinfo = ImageUtil.ReadBmpIR(bitmap);
AFICFSDKFACERES sFacerects = new AFICFSDKFACERES();
sFacerects.nFace = faceRes.nFace;
sFacerects.rcFace = faceRes.rcFace;
IntPtr pImageInfo = MemoryUtil.Malloc(MemoryUtil.SizeOf <ASVLOFFSCREEN>());
MemoryUtil.StructToPtr(imageinfo, pImageInfo);
IntPtr pFacerects = MemoryUtil.Malloc(MemoryUtil.SizeOf <AFICFSDKFACERES>());
MemoryUtil.StructToPtr(sFacerects, pFacerects);
//调用SDK
retCode = FICFunctions.ArcSoft_FIC_Process_IR(pEngine, pImageInfo, pFacerects, combinedMask);
MemoryUtil.Free(imageinfo.ppu8Plane[0]);
MemoryUtil.Free(pImageInfo);
MemoryUtil.Free(pFacerects);
return(retCode);
}
