public static AFR_FSDK_FACEMODEL extractFRFeature(IntPtr hFREngine, ASVLOFFSCREEN inputImg, FaceInfo faceInfo)
{
AFR_FSDK_FACEINPUT faceinput = new AFR_FSDK_FACEINPUT();
faceinput.lOrient = faceInfo.orient;
faceinput.rcFace.left = faceInfo.left;
faceinput.rcFace.top = faceInfo.top;
faceinput.rcFace.right = faceInfo.right;
faceinput.rcFace.bottom = faceInfo.bottom;
AFR_FSDK_FACEMODEL faceFeature = new AFR_FSDK_FACEMODEL(IntPtr.Zero, 0);
IntPtr ret = AFR_FSDKLibrary.AFR_FSDK_ExtractFRFeature(hFREngine, ref (inputImg), ref (faceinput), ref (faceFeature));
if (ret.ToInt64() != 0)
{
Console.WriteLine(String.Format("AFR_FSDK_ExtractFRFeature ret 0x{0:x}", ret));
return(new AFR_FSDK_FACEMODEL(IntPtr.Zero, 0));
}
try
{
return(faceFeature.deepCopy());
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
return(new AFR_FSDK_FACEMODEL(IntPtr.Zero, 0));
}
}
public static float compareFaceSimilarity(IntPtr hFDEngine, IntPtr hFREngine, ASVLOFFSCREEN inputImgA, ASVLOFFSCREEN inputImgB)
{
// Do Face Detect
FaceInfo[] faceInfosA = doFaceDetection(hFDEngine, inputImgA);
if (faceInfosA.Length < 1)
{
Console.WriteLine("no face in Image A ");
return(0.0f);
}
FaceInfo[] faceInfosB = doFaceDetection(hFDEngine, inputImgB);
if (faceInfosB.Length < 1)
{
Console.WriteLine("no face in Image B ");
return(0.0f);
}
// Extract Face Feature
AFR_FSDK_FACEMODEL faceFeatureA = extractFRFeature(hFREngine, inputImgA, faceInfosA[0]);
if (faceFeatureA.pbFeature == IntPtr.Zero)
{
Console.WriteLine("extract face feature in Image A failed");
return(0.0f);
}
AFR_FSDK_FACEMODEL faceFeatureB = extractFRFeature(hFREngine, inputImgB, faceInfosB[0]);
if (faceFeatureB.pbFeature == IntPtr.Zero)
{
Console.WriteLine("extract face feature in Image B failed");
faceFeatureA.freeUnmanaged();
return(0.0f);
}
// calc similarity between faceA and faceB
float fSimilScore = 0.0f;
IntPtr ret = AFR_FSDKLibrary.AFR_FSDK_FacePairMatching(hFREngine, ref (faceFeatureA), ref (faceFeatureB), ref (fSimilScore));
faceFeatureA.freeUnmanaged();
faceFeatureB.freeUnmanaged();
if (ret.ToInt64() != 0)
{
Console.WriteLine(String.Format("AFR_FSDK_FacePairMatching failed:ret 0x{0:x}", ret));
return(0.0f);
}
return(fSimilScore);
}
public static void Main(string[] args)
{
Console.WriteLine("#####################################################");
//init Engine
IntPtr pFDWorkMem = Marshal.AllocCoTaskMem(FD_WORKBUF_SIZE);
IntPtr pFRWorkMem = Marshal.AllocCoTaskMem(FR_WORKBUF_SIZE);
IntPtr hFDEngine = new IntPtr(0);
IntPtr ret = AFD_FSDKLibrary.AFD_FSDK_InitialFaceEngine(APPID, FD_SDKKEY, pFDWorkMem, FD_WORKBUF_SIZE, ref (hFDEngine), _AFD_FSDK_OrientPriority.AFD_FSDK_OPF_0_HIGHER_EXT, 32, MAX_FACE_NUM);
if (ret.ToInt64() != 0)
{
Marshal.FreeCoTaskMem(pFDWorkMem);
Marshal.FreeCoTaskMem(pFRWorkMem);
Console.WriteLine(String.Format("AFD_FSDK_InitialFaceEngine 0x{0:x}", ret));
Environment.Exit(0);
}
//print FDEngine version
AFD_FSDK_Version versionFD = (AFD_FSDK_Version)Marshal.PtrToStructure(AFD_FSDKLibrary.AFD_FSDK_GetVersion(hFDEngine), typeof(AFD_FSDK_Version));
Console.WriteLine(String.Format("{0} {1} {2} {3}", versionFD.lCodebase, versionFD.lMajor, versionFD.lMinor, versionFD.lBuild));
Console.WriteLine(versionFD.Version);
Console.WriteLine(versionFD.BuildDate);
Console.WriteLine(versionFD.CopyRight);
IntPtr hFREngine = new IntPtr(0);
ret = AFR_FSDKLibrary.AFR_FSDK_InitialEngine(APPID, FR_SDKKEY, pFRWorkMem, FR_WORKBUF_SIZE, ref (hFREngine));
if (ret.ToInt64() != 0)
{
AFD_FSDKLibrary.AFD_FSDK_UninitialFaceEngine(hFDEngine);
Marshal.FreeCoTaskMem(pFDWorkMem);
Marshal.FreeCoTaskMem(pFRWorkMem);
Console.WriteLine(String.Format("AFR_FSDK_InitialEngine 0x{0:x}", ret));
Environment.Exit(0);
}
// print FREngine version
AFR_FSDK_Version versionFR = (AFR_FSDK_Version)Marshal.PtrToStructure(AFR_FSDKLibrary.AFR_FSDK_GetVersion(hFREngine), typeof(AFR_FSDK_Version));
Console.WriteLine(String.Format("{0} {1} {2} {3}", versionFR.lCodebase, versionFR.lMajor, versionFR.lMinor, versionFR.lBuild));
Console.WriteLine(versionFR.Version);
Console.WriteLine(versionFR.BuildDate);
Console.WriteLine(versionFR.CopyRight);
//load Image Data
ASVLOFFSCREEN inputImgA;
ASVLOFFSCREEN inputImgB;
if (bUseRAWFile)
{
String filePathA = "001_640x480_I420.YUV";
int yuv_widthA = 640;
int yuv_heightA = 480;
int yuv_formatA = ASVL_COLOR_FORMAT.ASVL_PAF_I420;
String filePathB = "003_640x480_I420.YUV";
int yuv_widthB = 640;
int yuv_heightB = 480;
int yuv_formatB = ASVL_COLOR_FORMAT.ASVL_PAF_I420;
inputImgA = loadRAWImage(filePathA, yuv_widthA, yuv_heightA, yuv_formatA);
inputImgB = loadRAWImage(filePathB, yuv_widthB, yuv_heightB, yuv_formatB);
}
else
{
String filePathA = "001.jpg";
String filePathB = "1_9.jpg";
inputImgA = loadImage(filePathA);
inputImgB = loadImage(filePathB);
}
Console.WriteLine(String.Format("similarity between faceA and faceB is {0}", compareFaceSimilarity(hFDEngine, hFREngine, inputImgA, inputImgB)));
inputImgA.freeUnmanaged();
inputImgB.freeUnmanaged();
//release Engine
AFD_FSDKLibrary.AFD_FSDK_UninitialFaceEngine(hFDEngine);
AFR_FSDKLibrary.AFR_FSDK_UninitialEngine(hFREngine);
Marshal.FreeCoTaskMem(pFDWorkMem);
Marshal.FreeCoTaskMem(pFRWorkMem);
Console.WriteLine("#####################################################");
}
