/// <summary>
/// 提取人脸特征
/// </summary>
/// <param name="pEngine">引擎Handle</param>
/// <param name="image">图像</param>
/// <returns>保存人脸特征结构体指针</returns>
public static IntPtr ExtractFaceFeature(IntPtr pEngine, Image image, out ASF_SingleFaceInfo singleFaceInfo)
{
if (image.Width > 1536 || image.Height > 1536)
{
image = UtilTool.ScaleImage(image, 1536, 1536);
}
else
{
image = UtilTool.ScaleImage(image, image.Width, image.Height);
}
if (image == null)
{
singleFaceInfo = new ASF_SingleFaceInfo();
ASF_FaceFeature emptyFeature = new ASF_FaceFeature();
IntPtr pEmptyFeature = UtilToolMemory.Malloc(UtilToolMemory.SizeOf <ASF_FaceFeature>());
UtilToolMemory.StructureToPtr(emptyFeature, pEmptyFeature);
return(pEmptyFeature);
}
ImageInfo imageInfo = UtilTool.ReadImage(image);
if (imageInfo == null)
{
singleFaceInfo = new ASF_SingleFaceInfo();
ASF_FaceFeature emptyFeature = new ASF_FaceFeature();
IntPtr pEmptyFeature = UtilToolMemory.Malloc(UtilToolMemory.SizeOf <ASF_FaceFeature>());
UtilToolMemory.StructureToPtr(emptyFeature, pEmptyFeature);
return(pEmptyFeature);
}
ASF_MultiFaceInfo multiFaceInfo = DetectFace(pEngine, imageInfo);
singleFaceInfo = new ASF_SingleFaceInfo();
IntPtr pFaceModel = ExtractFaceFeature(pEngine, imageInfo, multiFaceInfo, out singleFaceInfo);
UtilToolMemory.Free(imageInfo.imgData);
return(pFaceModel);
}
/// <summary>
/// “选择图片识别”
/// </summary>
public void ChooseImgeDistinguish(bool IsOffline)
{
//判断引擎是否初始化成功
if (pImageEngine == IntPtr.Zero)
{
//禁用相关功能按钮
FRC.MainVM.IsSIIBtnEnable = false;
FRC.MainVM.IsPGIBtnEnable = false;
//ControlsEnable(false, chooseMultiImgBtn, matchBtn, btnClearFaceList, chooseImgBtn);
MessageBox.Show("请先初始化引擎!");
return;
}
List <string> imagePathList = ImportImages(IsOffline, false);//单张照片
if (imagePathList.Count <= 0)
{
return;
}
string selectedImagePath = imagePathList[0];
DateTime detectStartTime = DateTime.Now;
AppendText(string.Format("------------------------------开始检测，时间:{0}------------------------------\n", detectStartTime.ToString("yyyy-MM-dd HH:mm:ss:ms")));
//获取文件，拒绝过大的图片
FileInfo fileInfo = new FileInfo(selectedImagePath);
if (fileInfo.Length > MaxSize)
{
MessageBox.Show("图像文件最大为2MB，请压缩后再导入!");
AppendText(string.Format("------------------------------检测结束，时间:{0}------------------------------\n", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:ms")));
AppendText("\n");
return;
}
Image srcImage = UtilTool.ReadImageFromFile(selectedImagePath);
if (srcImage == null)
{
MessageBox.Show("图像数据获取失败，请稍后重试!");
AppendText(string.Format("------------------------------检测结束，时间:{0}------------------------------\n", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:ms")));
AppendText("\n");
return;
}
if (srcImage.Width > 1536 || srcImage.Height > 1536)
{
srcImage = UtilTool.ScaleImage(srcImage, 1536, 1536);
}
if (srcImage == null)
{
MessageBox.Show("图像数据获取失败，请稍后重试!");
AppendText(string.Format("------------------------------检测结束，时间:{0}------------------------------\n", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:ms")));
AppendText("\n");
return;
}
//调整图像宽度，需要宽度为4的倍数
if (srcImage.Width % 4 != 0)
{
srcImage = UtilTool.ScaleImage(srcImage, srcImage.Width - (srcImage.Width % 4), srcImage.Height);
}
//调整图片数据，非常重要
ImageInfo imageInfo = UtilTool.ReadImage(srcImage);
if (imageInfo == null)
{
MessageBox.Show("图像数据获取失败，请稍后重试!");
AppendText(string.Format("------------------------------检测结束，时间:{0}------------------------------\n", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:ms")));
AppendText("\n");
return;
}
//人脸检测
ASF_MultiFaceInfo multiFaceInfo = UtilToolFace.DetectFace(pImageEngine, imageInfo);
//年龄检测
int retCode_Age = -1;
ASF_AgeInfo ageInfo = UtilToolFace.DetectAge(pImageEngine, imageInfo, multiFaceInfo, out retCode_Age);
//性别检测
int retCode_Gender = -1;
ASF_GenderInfo genderInfo = UtilToolFace.DetectGender(pImageEngine, imageInfo, multiFaceInfo, out retCode_Gender);
//3DAngle检测
int retCode_3DAngle = -1;
ASF_Face3DAngle face3DAngleInfo = UtilToolFace.DetectFace3DAngle(pImageEngine, imageInfo, multiFaceInfo, out retCode_3DAngle);
UtilToolMemory.Free(imageInfo.imgData);
if (multiFaceInfo.faceNum < 1)
{
srcImage = UtilTool.ScaleImage(srcImage, (int)FRC.FIView._faceIdentificationImageBox.Width, (int)FRC.FIView._faceIdentificationImageBox.Height);
ImageFeature = IntPtr.Zero;
FRC.FIView._faceIdentificationImageBox.Source = UtilTool.BitmapToBitmapImage(srcImage);
AppendText(string.Format("{0} - 未检测出人脸!\n\n", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss")));
AppendText(string.Format("------------------------------检测结束，时间:{0}------------------------------\n", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:ms")));
AppendText("\n");
return;
}
MRECT temp = new MRECT();
int ageTemp = 0;
int genderTemp = 0;
int rectTemp = 0;
//标记出检测到的人脸
for (int i = 0; i < multiFaceInfo.faceNum; i++)
{
MRECT rect = UtilToolMemory.PtrToStructure <MRECT>(multiFaceInfo.faceRects + UtilToolMemory.SizeOf <MRECT>() * i);
int orient = UtilToolMemory.PtrToStructure <int>(multiFaceInfo.faceOrients + UtilToolMemory.SizeOf <int>() * i);
int age = 0;
if (retCode_Age != 0)
{
AppendText(string.Format("年龄检测失败，返回{0}!\n\n", retCode_Age));
}
else
{
age = UtilToolMemory.PtrToStructure <int>(ageInfo.ageArray + UtilToolMemory.SizeOf <int>() * i);
}
int gender = -1;
if (retCode_Gender != 0)
{
AppendText(string.Format("性别检测失败，返回{0}!\n\n", retCode_Gender));
}
else
{
gender = UtilToolMemory.PtrToStructure <int>(genderInfo.genderArray + UtilToolMemory.SizeOf <int>() * i);
}
int face3DStatus = -1;
float roll = 0f;
float pitch = 0f;
float yaw = 0f;
if (retCode_3DAngle != 0)
{
AppendText(string.Format("3DAngle检测失败，返回{0}!\n\n", retCode_3DAngle));
}
else
{
//角度状态 非0表示人脸不可信
face3DStatus = UtilToolMemory.PtrToStructure <int>(face3DAngleInfo.status + UtilToolMemory.SizeOf <int>() * i);
//roll为侧倾角，pitch为俯仰角，yaw为偏航角
roll = UtilToolMemory.PtrToStructure <float>(face3DAngleInfo.roll + UtilToolMemory.SizeOf <float>() * i);
pitch = UtilToolMemory.PtrToStructure <float>(face3DAngleInfo.pitch + UtilToolMemory.SizeOf <float>() * i);
yaw = UtilToolMemory.PtrToStructure <float>(face3DAngleInfo.yaw + UtilToolMemory.SizeOf <float>() * i);
}
int rectWidth = rect.right - rect.left;
int rectHeight = rect.bottom - rect.top;
//查找最大人脸
if (rectWidth * rectHeight > rectTemp)
{
rectTemp = rectWidth * rectHeight;
temp = rect;
ageTemp = age;
genderTemp = gender;
}
AppendText(string.Format("{0} - 人脸坐标:[left:{1},top:{2},right:{3},bottom:{4},orient:{5},roll:{6},pitch:{7},yaw:{8},status:{11}] Age:{9} Gender:{10}\n", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss"), rect.left, rect.top, rect.right, rect.bottom, orient, roll, pitch, yaw, age, (gender >= 0 ? gender.ToString() : ""), face3DStatus));
}
AppendText(string.Format("{0} - 人脸数量:{1}\n\n", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss"), multiFaceInfo.faceNum));
DateTime detectEndTime = DateTime.Now;
AppendText(string.Format("------------------------------检测结束，时间:{0}------------------------------\n", detectEndTime.ToString("yyyy-MM-dd HH:mm:ss:ms")));
AppendText("\n");
ASF_SingleFaceInfo singleFaceInfo = new ASF_SingleFaceInfo();
//提取人脸特征
ImageFeature = UtilToolFace.ExtractFaceFeature(pImageEngine, srcImage, out singleFaceInfo);
//清空上次的匹配结果
for (int i = 0; i < ImagesFeatureList.Count; i++)
{
//_imageList.Items[i].Text = string.Format("{0}号", i);
}
//获取缩放比例
float scaleRate = UtilTool.GetWidthAndHeight(srcImage.Width, srcImage.Height, (int)FRC.FIView._faceIdentificationImageBox.Width, (int)FRC.FIView._faceIdentificationImageBox.Height);
//缩放图片
srcImage = UtilTool.ScaleImage(srcImage, (int)FRC.FIView._faceIdentificationImageBox.Width, (int)FRC.FIView._faceIdentificationImageBox.Height);
//添加标记
srcImage = UtilTool.MarkRectAndString(srcImage,
(int)(temp.left * scaleRate),
(int)(temp.top * scaleRate),
(int)(temp.right * scaleRate) - (int)(temp.left * scaleRate),
(int)(temp.bottom * scaleRate) - (int)(temp.top * scaleRate),
ageTemp, genderTemp,
(int)FRC.FIView._faceIdentificationImageBox.Width);
//显示标记后的图像
FRC.FIView._faceIdentificationImageBox.Source = UtilTool.BitmapToBitmapImage(srcImage);
MatchImage();
}
/// <summary>
/// 导入照片录入
/// </summary>
/// <param name="IsOfflineRecord">是否为本地导入</param>
public void ImportImgesFun(bool IsOfflineRecord)
{
lock (locker)
{
List <string> imagePathListTemp = ImportImages(IsOfflineRecord);
if (imagePathListTemp.Count <= 0)
{
return;
}
FRC.PIVM.NaturalSourceImage = imagePathListTemp[0];
var numStart = ImagePathList.Count;
int isGoodImage = 0;
//人脸检测以及提取人脸特征
ThreadPool.QueueUserWorkItem(new WaitCallback(delegate
{
//人脸检测和剪裁
for (int i = 0; i < imagePathListTemp.Count; i++)
{
Image image = UtilTool.ReadImageFromFile(imagePathListTemp[i]);
if (image == null)
{
continue;
}
if (image.Width > 1536 || image.Height > 1536)
{
image = UtilTool.ScaleImage(image, 1536, 1536);
}
if (image == null)
{
continue;
}
if (image.Width % 4 != 0)
{
image = UtilTool.ScaleImage(image, image.Width - (image.Width % 4), image.Height);
}
//人脸检测
ASF_MultiFaceInfo multiFaceInfo = UtilToolFace.DetectFace(pImageEngine, image);
//判断检测结果
if (multiFaceInfo.faceNum > 0)
{
ImagePathList.Add(imagePathListTemp[i]);
MRECT rect = UtilToolMemory.PtrToStructure <MRECT>(multiFaceInfo.faceRects);
image = UtilTool.CutImage(image, rect.left, rect.top, rect.right, rect.bottom);
}
else
{
if (image != null)
{
image.Dispose();
}
continue;
}
//显示人脸
FRC.MainView.Dispatcher.Invoke(new Action(delegate
{
if (image == null)
{
image = UtilTool.ReadImageFromFile(imagePathListTemp[i]);
if (image.Width > 1536 || image.Height > 1536)
{
image = UtilTool.ScaleImage(image, 1536, 1536);
}
}
//_imageLists.Images.Add(imagePathListTemp[i], image);
//_imageList.Items.Add((numStart + isGoodImage) + "号", imagePathListTemp[i]);
isGoodImage += 1;
if (image != null)
{
image.Dispose();
}
}));
}
//提取人脸特征
for (int i = numStart; i < ImagePathList.Count; i++)
{
ASF_SingleFaceInfo singleFaceInfo = new ASF_SingleFaceInfo();
Image image = UtilTool.ReadImageFromFile(ImagePathList[i]);
if (image == null)
{
continue;
}
IntPtr feature = UtilToolFace.ExtractFaceFeature(pImageEngine, image, out singleFaceInfo);
FRC.PIVM.FaceCharacteristics = feature;
FRC.MainView.Dispatcher.Invoke(new Action(delegate
{
if (singleFaceInfo.faceRect.left == 0 && singleFaceInfo.faceRect.right == 0)
{
AppendText(string.Format("{0}号未检测到人脸\r\n", i));
}
else
{
AppendText(string.Format("已提取{0}号人脸特征值，[left:{1},right:{2},top:{3},bottom:{4},orient:{5}]\r\n", i, singleFaceInfo.faceRect.left, singleFaceInfo.faceRect.right, singleFaceInfo.faceRect.top, singleFaceInfo.faceRect.bottom, singleFaceInfo.faceOrient));
ImagesFeatureList.Add(feature);
}
}));
if (image != null)
{
image.Dispose();
}
}
FRC.MainView.Dispatcher.Invoke(new Action(delegate
{
FRC.MainVM.IsCameraEnable = true;
//FRC.MainVM.IsPGBtnEnable = true;
FRC.MainVM.IsSIBtnEnable = true;
//FRC.MainVM.IsPGIBtnEnable = true;
FRC.MainVM.IsSIIBtnEnable = true;
}));
}));
//保存个人信息数据
//FRC.UploadFaceRecord();
}
}