/// <summary>
/// 红外活体检测
/// </summary>
/// <param name="pEngine">引擎Handle</param>
/// <param name="imageInfo">图像数据</param>
/// <param name="singleFaceInfo">单人脸信息</param>
/// <returns>活体检测结果</returns>
public static LivenessInfo LivenessInfo_IR(FaceEngine faceEngine, Image image, SingleFaceInfo singleFaceInfo, out int retCode)
{
LivenessInfo livenessInfo = new LivenessInfo();
retCode = -1;
try
{
MultiFaceInfo multiFaceInfo = new MultiFaceInfo();
multiFaceInfo.faceNum = 1;
multiFaceInfo.faceOrients = new int[1];
multiFaceInfo.faceOrients[0] = singleFaceInfo.faceOrient;
multiFaceInfo.faceRects = new MRECT[1];
multiFaceInfo.faceRects[0] = singleFaceInfo.faceRect;
multiFaceInfo.faceDataInfoList = new FaceDataInfo[1];
multiFaceInfo.faceDataInfoList[0] = singleFaceInfo.faceDataInfo;
//人脸信息处理
retCode = faceEngine.ASFProcessEx_IR(image, multiFaceInfo, FaceEngineMask.ASF_IR_LIVENESS);
if (retCode == 0)
{
//获取IR活体检测结果
retCode = faceEngine.ASFGetLivenessScore_IR(out livenessInfo);
}
}
catch (Exception ex)
{
LogUtil.LogInfo(typeof(FaceUtil), ex);
}
return(livenessInfo);
}
/// <summary>
/// 获取IR活体结果
/// </summary>
/// <param name="livenessInfo">IR活体结果</param>
/// <returns>返回0表示正常；返回负数请根据ErrorCodeUtil类注释查看；其他值请在官网-帮助中心查询</returns>
public int ASFGetLivenessScore_IR(out LivenessInfo livenessInfo)
{
int retCode = -1;
livenessInfo = new LivenessInfo();
IntPtr pLiveness = MemoryUtil.Malloc(MemoryUtil.SizeOf <ASF_LivenessInfo>());
//调用SDK接口
retCode = ASFFunctions.ASFGetLivenessScore_IR(pEngine, pLiveness);
if (retCode != 0)
{
MemoryUtil.Free(pLiveness);
return(retCode);
}
//转化结果
ASF_LivenessInfo asfLivenessInfo = new ASF_LivenessInfo();
asfLivenessInfo = MemoryUtil.PtrToStructure <ASF_LivenessInfo>(pLiveness);
livenessInfo.num = asfLivenessInfo.num;
if (asfLivenessInfo.num > 0)
{
livenessInfo.isLive = new int[asfLivenessInfo.num];
Marshal.Copy(asfLivenessInfo.isLive, livenessInfo.isLive, 0, asfLivenessInfo.num);
}
MemoryUtil.FreeArray(pLiveness);
return(retCode);
}
/// <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>
/// 获取IR活体结果
/// </summary>
/// <param name="livenessInfo">IR活体结果</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_GetLivenessInfo_IR(out LivenessInfo livenessInfo)
{
livenessInfo = new LivenessInfo();
int retCode = -1;
IntPtr plivenessInfo = MemoryUtil.Malloc(MemoryUtil.SizeOf <AFICFSDKLivenessInfo>());
//调用SDK
retCode = FICFunctions.ArcSoft_FIC_GetLivenessInfo_IR(pEngine, plivenessInfo);
if (!retCode.Equals(0))
{
MemoryUtil.Free(plivenessInfo);
return(retCode);
}
AFICFSDKLivenessInfo slivenessInfo = MemoryUtil.PtrToStruct <AFICFSDKLivenessInfo>(plivenessInfo);
livenessInfo.isLive = MemoryUtil.PtrToStruct <int>(slivenessInfo.isLive);
livenessInfo.num = slivenessInfo.num;
MemoryUtil.Free(plivenessInfo);
return(retCode);
}
