/// <summary>
/// 人脸3D角度检测
/// </summary>
/// <param name="pEngine">引擎Handle</param>
/// <param name="imageInfo">图像数据</param>
/// <param name="multiFaceInfo">检测的人脸信息</param>
/// <returns>人脸3D角度检测结果结构体</returns>
public static Face3DAngle Face3DAngleDetection(FaceEngine faceEngine, Image image, MultiFaceInfo multiFaceInfo, out int retCode)
{
retCode = -1;
Face3DAngle face3DAngle = new Face3DAngle();
try
{
if (multiFaceInfo.faceNum <= 0)
{
return(face3DAngle);
}
//人脸信息检测
retCode = faceEngine.ASFProcessEx(image, multiFaceInfo, FaceEngineMask.ASF_FACE3DANGLE);
if (retCode == 0)
{
//获取人脸3D角度
retCode = faceEngine.ASFGetFace3DAngle(out face3DAngle);
}
}
catch (Exception ex)
{
LogUtil.LogInfo(typeof(FaceUtil), ex);
}
return(face3DAngle);
}
/// <summary>
/// 获取3D角度信息
/// </summary>
/// <param name="pEngine">引擎handle</param>
/// <param name="faceAngle">3D角度信息结果</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 ASFGetFace3DAngle(out Face3DAngle faceAngle)
{
faceAngle = new Face3DAngle();
IntPtr pFaceAngle = MemoryUtil.Malloc(MemoryUtil.SizeOf <ASF_Face3DAngle>());
//调用SDK接口
int retCode = ASFFunctions.ASFGetFace3DAngle(pEngine, pFaceAngle);
if (retCode != 0)
{
MemoryUtil.Free(pFaceAngle);
return(retCode);
}
//转化结果
ASF_Face3DAngle asfFaceAngle = MemoryUtil.PtrToStructure <ASF_Face3DAngle>(pFaceAngle);
faceAngle.num = asfFaceAngle.num;
if (faceAngle.num > 0)
{
faceAngle.pitch = new float[faceAngle.num];
Marshal.Copy(asfFaceAngle.pitch, faceAngle.pitch, 0, faceAngle.num);
faceAngle.roll = new float[faceAngle.num];
Marshal.Copy(asfFaceAngle.roll, faceAngle.roll, 0, faceAngle.num);
faceAngle.yaw = new float[faceAngle.num];
Marshal.Copy(asfFaceAngle.yaw, faceAngle.yaw, 0, faceAngle.num);
faceAngle.status = new int[faceAngle.num];
Marshal.Copy(asfFaceAngle.status, faceAngle.status, 0, faceAngle.num);
}
MemoryUtil.FreeArray(pFaceAngle);
return(retCode);
}
/// <summary>
/// 获取3D角度信息。
/// </summary>
/// <returns></returns>
public List <Face3DAngle> GetFace3DAngle()
{
var result = ASFFunctions.ASFGetFace3DAngle(EngineHandler, out ASF_Face3DAngle face3DAngle);
if (result == MResult.MOK)
{
var Face3DAngles = new List <Face3DAngle>();
float[] _roll = new float[face3DAngle.num];
float[] _yaw = new float[face3DAngle.num];
float[] _pitch = new float[face3DAngle.num];
int[] _status = new int[face3DAngle.num];
Marshal.Copy(face3DAngle.roll, _roll, 0, face3DAngle.num);
Marshal.Copy(face3DAngle.yaw, _yaw, 0, face3DAngle.num);
Marshal.Copy(face3DAngle.pitch, _pitch, 0, face3DAngle.num);
Marshal.Copy(face3DAngle.status, _status, 0, face3DAngle.num);
for (int i = 0; i < face3DAngle.num; i++)
{
var angle = new Face3DAngle
{
pitch = _pitch[i],
roll = _roll[i],
status = _status[i],
yaw = _yaw[i]
};
Face3DAngles.Add(angle);
}
return(Face3DAngles);
}
return(null);
}
