/// <summary>
/// 从Image图片中提取特征
/// </summary>
/// <param name="img"></param>
/// <returns></returns>
public static IntPtr GetFeatureFromImage(IntPtr pEngine, Image img)
{
Image image = img;
if (image.Width % 4 != 0)
{
image = ImageUtil.ScaleImage(image, image.Width - (image.Width % 4), image.Height);
}
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pEngine, image);
if (multiFaceInfo.faceNum > 0)
{
//裁剪照片到识别人脸的框的大小
MRECT rect = MemoryUtil.PtrToStructure <MRECT>(multiFaceInfo.faceRects);
image = ImageUtil.CutImage(image, rect.left, rect.top, rect.right, rect.bottom);
}
//提取人脸特征
ASF_SingleFaceInfo singleFaceInfo = new ASF_SingleFaceInfo();
IntPtr feature = FaceUtil.ExtractFeature(pEngine, image, out singleFaceInfo);
if (!(singleFaceInfo.faceRect.left == 0 && singleFaceInfo.faceRect.right == 0))
{
return(feature);//成功提取到的图像特征值
}
return(IntPtr.Zero);
}
/// <summary>
/// 从Image图片中提取特征
/// </summary>
/// <param name="img"></param>
/// <returns></returns>
private IntPtr GetFeatureFromImage(Image img)
{
Image image = img;
if (image.Width % 4 != 0)
{
image = ImageUtil.ScaleImage(image, image.Width - (image.Width % 4), image.Height);
}
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pImageEngine, image);
if (multiFaceInfo.faceNum > 0)
{
//裁剪照片到识别人脸的框的大小
MRECT rect = MemoryUtil.PtrToStructure <MRECT>(multiFaceInfo.faceRects);
image = ImageUtil.CutImage(image, rect.left, rect.top, rect.right, rect.bottom);
}
//提取人脸特征
ASF_SingleFaceInfo singleFaceInfo = new ASF_SingleFaceInfo();
IntPtr feature = FaceUtil.ExtractFeature(pImageEngine, image, out singleFaceInfo);
if (singleFaceInfo.faceRect.left == 0 && singleFaceInfo.faceRect.right == 0)
{
//messageBox.AppendText("无法提取身份证件照特征...\n");
//无法提取身份证件照特征..
}
else
{
//成功提取到的图像特征值
return(feature);
}
return(IntPtr.Zero);
}
public List <FaceInfo> ScanFaces(Bitmap bitmap)
{
List <FaceInfo> singleFaces = new List <FaceInfo>();
if (bitmap == null)
{
return(null);
}
//从视频帧中获取 多个人脸的矩形框位置
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pVideoEngine, bitmap);
//将MultiFaceInfo结构体中的数据提取成单人脸数据并放入结构体中
for (int i = 0; i < multiFaceInfo.faceNum; i++)
{
FaceInfo faceInfo = new FaceInfo();
faceInfo.faceId = MemoryUtil.PtrToStructure <int>(multiFaceInfo.faceID + MemoryUtil.SizeOf <int>() * i);
faceInfo.singleFaceInfo.faceRect = MemoryUtil.PtrToStructure <MRECT>(multiFaceInfo.faceRects + MemoryUtil.SizeOf <MRECT>() * i);
faceInfo.singleFaceInfo.faceOrient = MemoryUtil.PtrToStructure <int>(multiFaceInfo.faceOrients + MemoryUtil.SizeOf <int>() * i);
singleFaces.Add(faceInfo);
}
return(singleFaces);
}
public List <FaceInfo> ScanFaces(Bitmap bitmap)
{
List <FaceInfo> singleFaces = new List <FaceInfo>();
if (bitmap == null)
{
return(null);
}
//从视频帧中获取 多个人脸的矩形框位置
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pImageEngine, bitmap);
//如果识别出人脸，且当前只有一个人脸
if (multiFaceInfo.faceNum == 1)
{
//将MultiFaceInfo结构体中的数据提取成单人脸数据并放入结构体中
for (int i = 0; i < multiFaceInfo.faceNum; i++)
{
FaceInfo faceInfo = new FaceInfo();
faceInfo.singleFaceInfo.faceRect = MemoryUtil.PtrToStructure <MRECT>(multiFaceInfo.faceRects + MemoryUtil.SizeOf <MRECT>() * i);
faceInfo.singleFaceInfo.faceOrient = MemoryUtil.PtrToStructure <int>(multiFaceInfo.faceOrients + MemoryUtil.SizeOf <int>() * i);
singleFaces.Add(faceInfo);
}
}
else
{
LoggerService.logger.Info($"当前图片中含有多个人脸或没有人脸，请重新选择单人图片，进行特征提取");
if (bitmap != null)
{
bitmap.Dispose();
Console.WriteLine("释放成功");
}
}
return(singleFaces);
}
/// <summary>
/// RGB摄像头Paint事件,同步RGB人脸框，对比人脸框后进行IR活体检测
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void irVideoSource_Paint(object sender, PaintEventArgs e)
{
if (isDoubleShot && irVideoSource.IsRunning)
{
//如果双摄，且IR摄像头工作，获取IR摄像头图片
Bitmap irBitmap = irVideoSource.GetCurrentVideoFrame();
if (irBitmap == null)
{
return;
}
//得到Rect
MRECT rect = new MRECT();
lock (rectLock)
{
rect = allRect;
}
float irOffsetX = irVideoSource.Width * 1f / irBitmap.Width;
float irOffsetY = irVideoSource.Height * 1f / irBitmap.Height;
float offsetX = irVideoSource.Width * 1f / rgbVideoSource.Width;
float offsetY = irVideoSource.Height * 1f / rgbVideoSource.Height;
//检测IR摄像头下最大人脸
Graphics g = e.Graphics;
float x = rect.left * offsetX;
float width = rect.right * offsetX - x;
float y = rect.top * offsetY;
float height = rect.bottom * offsetY - y;
//根据Rect进行画框
g.DrawRectangle(Pens.Red, x, y, width, height);
if (trackIRUnit.message != "" && x > 0 && y > 0)
{
//将上一帧检测结果显示到页面上
g.DrawString(trackIRUnit.message, font, trackIRUnit.message.Contains("活体") ? blueBrush : yellowBrush, x, y - 15);
}
//保证只检测一帧，防止页面卡顿以及出现其他内存被占用情况
if (isIRLock == false)
{
isIRLock = true;
//异步处理提取特征值和比对，不然页面会比较卡
ThreadPool.QueueUserWorkItem(new WaitCallback(delegate
{
if (rect.left != 0 && rect.right != 0 && rect.top != 0 && rect.bottom != 0)
{
bool isLiveness = false;
try
{
//得到当前摄像头下的图片
if (irBitmap != null)
{
//检测人脸，得到Rect框
ASF_MultiFaceInfo irMultiFaceInfo = FaceUtil.DetectFace(pVideoIRImageEngine, irBitmap);
if (irMultiFaceInfo.faceNum <= 0)
{
return;
}
//得到最大人脸
ASF_SingleFaceInfo irMaxFace = FaceUtil.GetMaxFace(irMultiFaceInfo);
//得到Rect
MRECT irRect = irMaxFace.faceRect;
//判断RGB图片检测的人脸框与IR摄像头检测的人脸框偏移量是否在误差允许范围内
if (isInAllowErrorRange(rect.left * offsetX / irOffsetX, irRect.left) && isInAllowErrorRange(rect.right * offsetX / irOffsetX, irRect.right) &&
isInAllowErrorRange(rect.top * offsetY / irOffsetY, irRect.top) && isInAllowErrorRange(rect.bottom * offsetY / irOffsetY, irRect.bottom))
{
int retCode_Liveness = -1;
//将图片进行灰度转换，然后获取图片数据
ImageInfo irImageInfo = ImageUtil.ReadBMP_IR(irBitmap);
if (irImageInfo == null)
{
return;
}
//IR活体检测
ASF_LivenessInfo liveInfo = FaceUtil.LivenessInfo_IR(pVideoIRImageEngine, irImageInfo, irMultiFaceInfo, out retCode_Liveness);
//判断检测结果
if (retCode_Liveness == 0 && liveInfo.num > 0)
{
int isLive = MemoryUtil.PtrToStructure <int>(liveInfo.isLive);
isLiveness = (isLive == 1) ? true : false;
}
if (irImageInfo != null)
{
MemoryUtil.Free(irImageInfo.imgData);
}
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
trackIRUnit.message = string.Format("IR{0}", isLiveness ? "活体" : "假体");
if (irBitmap != null)
{
irBitmap.Dispose();
}
isIRLock = false;
}
}
else
{
trackIRUnit.message = string.Empty;
}
isIRLock = false;
}));
}
}
}
/// <summary>
/// RGB摄像头Paint事件，图像显示到窗体上，得到每一帧图像，并进行处理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void videoSource_Paint(object sender, PaintEventArgs e)
{
if (rgbVideoSource.IsRunning)
{
//得到当前RGB摄像头下的图片
Bitmap bitmap = rgbVideoSource.GetCurrentVideoFrame();
if (bitmap == null)
{
return;
}
//检测人脸，得到Rect框
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pVideoEngine, bitmap);
//得到最大人脸
ASF_SingleFaceInfo maxFace = FaceUtil.GetMaxFace(multiFaceInfo);
//得到Rect
MRECT rect = maxFace.faceRect;
//检测RGB摄像头下最大人脸
Graphics g = e.Graphics;
float offsetX = rgbVideoSource.Width * 1f / bitmap.Width;
float offsetY = rgbVideoSource.Height * 1f / bitmap.Height;
float x = rect.left * offsetX;
float width = rect.right * offsetX - x;
float y = rect.top * offsetY;
float height = rect.bottom * offsetY - y;
//根据Rect进行画框
g.DrawRectangle(Pens.Red, x, y, width, height);
if (trackRGBUnit.message != "" && x > 0 && y > 0)
{
//将上一帧检测结果显示到页面上
g.DrawString(trackRGBUnit.message, font, trackRGBUnit.message.Contains("活体") ? blueBrush : yellowBrush, x, y - 15);
}
//保证只检测一帧，防止页面卡顿以及出现其他内存被占用情况
if (isRGBLock == false)
{
isRGBLock = true;
//异步处理提取特征值和比对，不然页面会比较卡
ThreadPool.QueueUserWorkItem(new WaitCallback(delegate
{
if (rect.left != 0 && rect.right != 0 && rect.top != 0 && rect.bottom != 0)
{
try
{
lock (rectLock)
{
allRect.left = (int)(rect.left * offsetX);
allRect.top = (int)(rect.top * offsetY);
allRect.right = (int)(rect.right * offsetX);
allRect.bottom = (int)(rect.bottom * offsetY);
}
bool isLiveness = false;
//调整图片数据，非常重要
ImageInfo imageInfo = ImageUtil.ReadBMP(bitmap);
if (imageInfo == null)
{
return;
}
int retCode_Liveness = -1;
//RGB活体检测
ASF_LivenessInfo liveInfo = FaceUtil.LivenessInfo_RGB(pVideoRGBImageEngine, imageInfo, multiFaceInfo, out retCode_Liveness);
//判断检测结果
if (retCode_Liveness == 0 && liveInfo.num > 0)
{
int isLive = MemoryUtil.PtrToStructure <int>(liveInfo.isLive);
isLiveness = (isLive == 1) ? true : false;
}
if (imageInfo != null)
{
MemoryUtil.Free(imageInfo.imgData);
}
if (isLiveness)
{
//提取人脸特征
IntPtr feature = FaceUtil.ExtractFeature(pVideoRGBImageEngine, bitmap, maxFace);
float similarity = 0f;
//得到比对结果
int result = compareFeature(feature, out similarity);
MemoryUtil.Free(feature);
if (result > -1)
{
//将比对结果放到显示消息中，用于最新显示
trackRGBUnit.message = string.Format(" {0}号 {1},{2}", result, similarity, string.Format("RGB{0}", isLiveness ? "活体" : "假体"));
}
else
{
//显示消息
trackRGBUnit.message = string.Format("RGB{0}", isLiveness ? "活体" : "假体");
}
}
else
{
//显示消息
trackRGBUnit.message = string.Format("RGB{0}", isLiveness ? "活体" : "假体");
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
if (bitmap != null)
{
bitmap.Dispose();
}
isRGBLock = false;
}
}
else
{
lock (rectLock)
{
allRect.left = 0;
allRect.top = 0;
allRect.right = 0;
allRect.bottom = 0;
}
}
isRGBLock = false;
}));
}
}
}
/// <summary>
/// 图像显示到窗体上，得到每一帧图像，并进行处理（画框）
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void videoSource_Paint(object sender, PaintEventArgs e)
{
if (videoSource.IsRunning)// 摄像头运行中
{
//得到当前摄像头下的图片
Bitmap bitmap = videoSource.GetCurrentVideoFrame();
if (bitmap == null)
{
return;
}
Graphics g = e.Graphics;
float offsetX = videoSource.Width * 1f / bitmap.Width;
float offsetY = videoSource.Height * 1f / bitmap.Height;
//检测人脸，得到Rect框（方框）
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pVideoEngine, bitmap);
//得到最大人脸
ASF_SingleFaceInfo maxFace = FaceUtil.GetMaxFace(multiFaceInfo);
//得到Rect
MRECT rect = maxFace.faceRect;
float x = rect.left * offsetX;
float width = rect.right * offsetX - x;
float y = rect.top * offsetY;
float height = rect.bottom * offsetY - y;
//根据Rect进行画框
g.DrawRectangle(pen, x, y, width, height);
// 调整摄像头视频框
if (rect.left.ToString() == "0")
{
this.videoSource.Location = new System.Drawing.Point(this.Width - 1, this.Height - 1);
}
else
{
int xVideoSource = (int)(0.5 * (this.Width - this.videoSource.Width));
int yVideoSource = (int)(0.5 * (this.Height - this.videoSource.Height));
this.videoSource.Location = new System.Drawing.Point(xVideoSource, yVideoSource);
}
// this.logBox.AppendText(rect.left.ToString() + "\n");
// this.videoSource.Show();// 能画框的时候显示摄像头视频框
if (trackUnit.message != "" && x > 0 && y > 0)
{
//将上一帧检测结果显示到页面上
g.DrawString(trackUnit.message, font, brush, x, y + 5);
}
//保证只检测一帧，防止页面卡顿以及出现其他内存被占用情况
if (isLock == false)
{
isLock = true;
//异步处理提取特征值和比对，不然页面会比较卡
ThreadPool.QueueUserWorkItem(new WaitCallback(delegate
{
if (rect.left != 0 && rect.right != 0 && rect.top != 0 && rect.bottom != 0)
{
try
{
//提取人脸特征 TODO 这是当前摄像头下的人脸的特征值
IntPtr videoFaceFeature = FaceUtil.ExtractFeature(pVideoImageEngine, bitmap, maxFace);
float similarity = 0f;
//得到比对结果 star TODO 这边compareFeature中
// TODO 数据库中查询出feature
MysqlUtils mysqlUtils = new MysqlUtils();
List <byte[]> featureListFromDB = mysqlUtils.SelectUserFaceByFeature();// 数据库查询
var v = 0;
for (int i = 0; i < featureListFromDB.Count; i++)
{
//pFeatureItemFromDB = TabConvert.BytesToIntptr(featureListFromDB[i]);
//GCHandle hObject = GCHandle.Alloc(featureListFromDB[i], GCHandleType.Pinned);
//pFeatureItemFromDB = hObject.AddrOfPinnedObject();
ASF_FaceFeature localFeature = new ASF_FaceFeature();
localFeature.feature = MemoryUtil.Malloc(featureListFromDB[i].Length); // 申请本地人脸特征指针
MemoryUtil.Copy(featureListFromDB[i], 0, localFeature.feature, featureListFromDB[i].Length); // source, startIndex, destination, length
localFeature.featureSize = featureListFromDB[i].Length; // 设置本地特征值长度
IntPtr pLocalFeature = MemoryUtil.Malloc(MemoryUtil.SizeOf <ASF_FaceFeature>()); // 申请本地特征值指针空间
MemoryUtil.StructureToPtr(localFeature, pLocalFeature); // T t,IntPtr ptr
/*
* IntPtr pFeatureItemFromDB = MemoryUtil.Malloc(MemoryUtil.SizeOf<ASF_FaceFeature>());
* v++;
* Marshal.StructureToPtr(featureListFromDB[i], pFeatureItemFromDB, false);
* Marshal.FreeHGlobal(pFeatureItemFromDB);
*/
imagesFeatureList.Add(pLocalFeature);
}
int result = compareFeatureFromDB(videoFaceFeature, out similarity);
if (result > -1)
{
// TODO
//将比对结果放到显示消息中，用于最新显示
trackUnit.message = string.Format("你好，匹配到 {0}号，相似度是 {1}", result, similarity);
labelLoginUserName.Text = result.ToString();
Console.WriteLine(result.ToString() + ":" + similarity.ToString() + "\n");
// TODO
// 相似度不足0.8，窗口正常显示
if (similarity < 0.8)
{
this.Visible = true;
this.WindowState = FormWindowState.Normal;
}
else// 相似度超过80，自动缩小至系统托盘
{
this.Hide();
this.notifyIcon.Visible = true;
}
// TODO 隔段时间打开托盘
Thread.Sleep(5000);// TODO 设置多长时间再次验证人脸，这边设置了2秒
this.Visible = true;
this.WindowState = FormWindowState.Normal;
}
else
{
//重置显示消息
trackUnit.message = "";
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
isLock = false;
}
}
isLock = false;
}));
}
}
}
/// <summary>
/// 人脸库图片选择按钮事件
/// </summary>
private void ChooseMultiImg(object sender, EventArgs e)
{
lock (locker)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Title = "选择图片";
openFileDialog.Filter = "图片文件|*.bmp;*.jpg;*.jpeg;*.png";
openFileDialog.Multiselect = true;
openFileDialog.FileName = string.Empty;
if (openFileDialog.ShowDialog() == DialogResult.OK)// 用户一点击“确定”按钮，那么对话框就关闭，重新回到主窗体，然后可以在主窗体中进行相应的处理，比如把数据写入数据库等
{
List <string> imagePathListTemp = new List <string>();
var numStart = imagePathList.Count;
int isGoodImage = 0;
//保存图片路径并显示
// TODO 这边将从数据库获取人脸地址
string[] fileNames = openFileDialog.FileNames;
Console.WriteLine(fileNames.ToString());
for (int i = 0; i < fileNames.Length; i++)
{
imagePathListTemp.Add(fileNames[i]);// 将数据库查处的地址列表存入temp
}
//人脸检测以及提取人脸特征
ThreadPool.QueueUserWorkItem(new WaitCallback(delegate
{
//禁止点击按钮
Invoke(new Action(delegate
{
chooseMultiImgBtn.Enabled = false;
matchBtn.Enabled = false;
btnClearFaceList.Enabled = false;
chooseImgBtn.Enabled = false;
btnStartVideo.Enabled = false;
}));
//人脸检测和剪裁
for (int i = 0; i < imagePathListTemp.Count; i++)
{
Image image = Image.FromFile(imagePathListTemp[i]);
if (image.Width % 4 != 0)
{
image = ImageUtil.ScaleImage(image, image.Width - (image.Width % 4), image.Height);
}
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pImageEngine, image);
if (multiFaceInfo.faceNum > 0)
{
imagePathList.Add(imagePathListTemp[i]);
MRECT rect = MemoryUtil.PtrToStructure <MRECT>(multiFaceInfo.faceRects);
image = ImageUtil.CutImage(image, rect.left, rect.top, rect.right, rect.bottom);
}
else
{
continue;
}
this.Invoke(new Action(delegate
{
if (image == null)
{
image = Image.FromFile(imagePathListTemp[i]);
}
imageLists.Images.Add(imagePathListTemp[i], image);
imageList.Items.Add((numStart + isGoodImage) + "号", imagePathListTemp[i]);
isGoodImage += 1;
image = null;
}));
}
//提取人脸特征
for (int i = numStart; i < imagePathList.Count; i++)
{
ASF_SingleFaceInfo singleFaceInfo = new ASF_SingleFaceInfo();
// TODO 将feature存入数据库,byte[]，这边已经在FaceUtils中处理了
IntPtr feature = FaceUtil.ExtractFeature(pImageEngine, Image.FromFile(imagePathList[i]), out singleFaceInfo);// 人脸特征
this.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);
// TODO 数据库中查询出feature
/*
* IntPtr pFeatureItemFromDB;
* MysqlUtils mysqlUtils = new MysqlUtils();
* List<byte[]> featureListFromDB = mysqlUtils.SelectUserFaceByFeature();
* foreach (byte[] featureItemFromDB in featureListFromDB)
* {
* pFeatureItemFromDB = TabConvert.BytesToIntptr(featureItemFromDB);
* imagesFeatureList.Add(pFeatureItemFromDB);
* }
*/
}
}));
}
//允许点击按钮
Invoke(new Action(delegate
{
chooseMultiImgBtn.Enabled = true;
btnClearFaceList.Enabled = true;
btnStartVideo.Enabled = true;
if (btnStartVideo.Text == "启用摄像头")
{
chooseImgBtn.Enabled = true;
matchBtn.Enabled = true;
}
else
{
chooseImgBtn.Enabled = false;
matchBtn.Enabled = false;
}
}));
}));
}
}
}
private void Form_User_Load(object sender, EventArgs e)
{
//必须保证有可用摄像头
if (filterInfoCollection.Count == 0)
{
MessageBox.Show("未检测到摄像头，请确保已安装摄像头或驱动!");
Dispose();
Application.Exit();
}
if (videoSource.IsRunning)
{
videoSource.SignalToStop();
videoSource.Hide();
}
else
{
if (isCompare)
{
//比对结果清除
for (int i = 0; i < imagesFeatureList.Count; i++)
{
imageList.Items[i].Text = string.Format("{0}号", i);
}
isCompare = false;
}
videoSource.Show();
deviceVideo = new VideoCaptureDevice(filterInfoCollection[0].MonikerString);
deviceVideo.VideoResolution = deviceVideo.VideoCapabilities[0];
videoSource.VideoSource = deviceVideo;
videoSource.Start();
}
lock (locker)
{
List <string> imagePathListTemp = new List <string>();
var numStart = imagePathList.Count;
//查询数据库
DataMysql datasql = new DataMysql();
datasql.dataCon();
string cmdStr = "Select faceimg from user";
DataSet ds;
ds = datasql.getDataSet(cmdStr);
int j = 0;
j = ds.Tables[0].Rows.Count;
string[] fileNames = new string[j];
j = 0;
foreach (DataRow Row in ds.Tables[0].Rows)
{
fileNames[j] = Convert.ToString(Row["faceimg"]);
j++;
}
for (int i = 0; i < fileNames.Length; i++)
{
imagePathListTemp.Add(fileNames[i]);
}
//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++)
{
WebRequest request = WebRequest.Create(imagePathListTemp[i]);
WebResponse response = request.GetResponse();
Stream s = response.GetResponseStream();
byte[] data = new byte[1024];
int length = 0;
MemoryStream ms = new MemoryStream();
while ((length = s.Read(data, 0, data.Length)) > 0)
{
ms.Write(data, 0, length);
}
ms.Seek(0, SeekOrigin.Begin);
// pictureBox1.Image = Image.FromStream(ms);
Image image = Image.FromStream(ms);
if (image.Width % 4 != 0)
{
image = ImageUtil.ScaleImage(image, image.Width - (image.Width % 4), image.Height);
}
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pImageEngine, image);
if (multiFaceInfo.faceNum > 0)
{
imagePathList.Add(imagePathListTemp[i]);
MRECT rect = MemoryUtil.PtrToStructure <MRECT>(multiFaceInfo.faceRects);
image = ImageUtil.CutImage(image, rect.left, rect.top, rect.right, rect.bottom);
}
else
{
continue;
}
}
//提取人脸特征
for (int i = numStart; i < imagePathList.Count; i++)
{
WebRequest request = WebRequest.Create(imagePathListTemp[i]);
WebResponse response = request.GetResponse();
Stream s = response.GetResponseStream();
byte[] data = new byte[1024];
int length = 0;
MemoryStream ms = new MemoryStream();
while ((length = s.Read(data, 0, data.Length)) > 0)
{
ms.Write(data, 0, length);
}
ms.Seek(0, SeekOrigin.Begin);
ASF_SingleFaceInfo singleFaceInfo = new ASF_SingleFaceInfo();
IntPtr feature = FaceUtil.ExtractFeature(pImageEngine, Image.FromStream(ms), out singleFaceInfo);
this.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);
}
}));
}
}));
}
LoadingHelper.ShowLoading("加载中请稍后。", this, o =>
{
//这里写处理耗时的代码，代码处理完成则自动关闭该窗口
Thread.Sleep(4000);
});
}
/// <summary>
/// 图像显示到窗体上，得到每一帧图像，并进行处理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void videoSource_Paint(object sender, PaintEventArgs e)
{
if (videoSource.IsRunning)
{
//得到当前摄像头下的图片
Bitmap bitmap = videoSource.GetCurrentVideoFrame();
if (bitmap == null)
{
return;
}
Graphics g = e.Graphics;
float offsetX = videoSource.Width * 1f / bitmap.Width;
float offsetY = videoSource.Height * 1f / bitmap.Height;
//检测人脸，得到Rect框
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pVideoEngine, bitmap);
//得到最大人脸
ASF_SingleFaceInfo maxFace = FaceUtil.GetMaxFace(multiFaceInfo);
//得到Rect
MRECT rect = maxFace.faceRect;
float x = rect.left * offsetX;
float width = rect.right * offsetX - x;
float y = rect.top * offsetY;
float height = rect.bottom * offsetY - y;
//根据Rect进行画框
g.DrawRectangle(pen, x, y, width, height);
if (trackUnit.message != "" && x > 0 && y > 0)
{
//将上一帧检测结果显示到页面上
g.DrawString(trackUnit.message, font, brush, x, y + 5);
}
//保证只检测一帧，防止页面卡顿以及出现其他内存被占用情况
if (isLock == false)
{
isLock = true;
//异步处理提取特征值和比对，不然页面会比较卡
ThreadPool.QueueUserWorkItem(new WaitCallback(delegate
{
if (rect.left != 0 && rect.right != 0 && rect.top != 0 && rect.bottom != 0)
{
try
{
//提取人脸特征
IntPtr feature = FaceUtil.ExtractFeature(pVideoImageEngine, bitmap, maxFace);
float similarity = 0f;
//得到比对结果
int result = compareFeature(feature, out similarity);
if (result > -1)
{
//将比对结果放到显示消息中，用于最新显示
trackUnit.message = string.Format("{0}号 {1}", result, similarity);
//执行数据库操作
SignSql(result);
}
else
{
//重置显示消息
trackUnit.message = "";
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
isLock = false;
}
}
isLock = false;
}));
}
}
}
private void btnSelectImageToRegister_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Title = "Select";
openFileDialog.Filter = "Image File|*.bmp;*.jpg;*.jpeg;*.png";
//openFileDialog.Multiselect = true;
openFileDialog.FileName = string.Empty;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
var numStart = imagePathList.Count;
string fileName = openFileDialog.FileName;
if (!checkImage(fileName))
{
return;
}
pictureBoxSelected.ImageLocation = fileName;
currentLeftFeature = IntPtr.Zero;
//人脸检测以及提取人脸特征
ThreadPool.QueueUserWorkItem(new WaitCallback(delegate
{
Image image = ImageUtil.readFromFile(fileName);
if (image == null)
{
return;
}
if (image.Width > 1536 || image.Height > 1536)
{
image = ImageUtil.ScaleImage(image, 1536, 1536);
}
if (image == null)
{
return;
}
if (image.Width % 4 != 0)
{
image = ImageUtil.ScaleImage(image, image.Width - (image.Width % 4), image.Height);
}
//人脸检测
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pImageEngine, image);
//判断检测结果
if (multiFaceInfo.faceNum > 0)
{
MRECT rect = MemoryUtil.PtrToStructure <MRECT>(multiFaceInfo.faceRects);
image = ImageUtil.CutImage(image, rect.left, rect.top, rect.right, rect.bottom);
}
else
{
if (image != null)
{
image.Dispose();
}
return;
}
//提取人脸特征
ASF_SingleFaceInfo singleFaceInfo = new ASF_SingleFaceInfo();
Image image1 = ImageUtil.readFromFile(fileName);
if (image1 == null)
{
return;
}
currentLeftFeature = FaceUtil.ExtractFeature(pImageEngine, image1, out singleFaceInfo);
this.Invoke(new Action(delegate
{
if (singleFaceInfo.faceRect.left == 0 && singleFaceInfo.faceRect.right == 0)
{
AppendText(string.Format("No face detected\r\r\n"));
}
else
{
AppendText(string.Format("Face landmark detected，[left:{0},right:{1},top:{2},bottom:{3},orient:{4}]\r\r\n", singleFaceInfo.faceRect.left, singleFaceInfo.faceRect.right, singleFaceInfo.faceRect.top, singleFaceInfo.faceRect.bottom, singleFaceInfo.faceOrient));
imagesFeatureList.Add(currentLeftFeature);
}
}));
if (image1 != null)
{
image1.Dispose();
}
}));
}
}
/// <summary>
/// 比对函数，将每一帧抓拍的照片和身份证照片进行比对
/// </summary>
/// <param name="bitmap"></param>
/// <param name="e"></param>
/// <returns></returns>
private bool CompareImgWithIDImg(Bitmap bitmap, PaintEventArgs e)
{
recTimes--;
if (bitmap == null)
{
return(false);
}
Graphics g = e.Graphics;
float offsetX = videoSource.Width * 1f / bitmap.Width;
float offsetY = videoSource.Height * 1f / bitmap.Height;
//检测人脸，得到Rect框
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pVideoEngine, bitmap);
//得到最大人脸
ASF_SingleFaceInfo maxFace = FaceUtil.GetMaxFace(multiFaceInfo);
//得到Rect
MRECT rect = maxFace.faceRect;
float x = rect.left * offsetX;
float width = rect.right * offsetX - x;
float y = rect.top * offsetY;
float height = rect.bottom * offsetY - y;
//根据Rect进行画框
g.DrawRectangle(pen, x, y, width, height);
//将上一帧检测结果显示到页面上
g.DrawString(trackUnit.message, font, brush, x, y + 5);
//保证只检测一帧，防止页面卡顿以及出现其他内存被占用情况
if (isLock == false)
{
isLock = true;
//异步处理提取特征值和比对，不然页面会比较卡
ThreadPool.QueueUserWorkItem(new WaitCallback(delegate
{
if (rect.left != 0 && rect.right != 0 && rect.top != 0 && rect.bottom != 0)
{
try
{
//提取人脸特征
IntPtr feature = FaceUtil.ExtractFeature(pVideoImageEngine, bitmap, maxFace);
float similarity = CompareTwoFeatures(feature, idCardHelper.idInfo.imageFeature);
this.similarity.Text = ("相似度为: " + similarity.ToString("P"));; //显示在界面上
this.similarity.ForeColor = similarity > threshold ? Color.Green : Color.Red;
//得到比对结果
int result = (CompareTwoFeatures(feature, idCardHelper.idInfo.imageFeature) >= threshold) ? 1 : -1;
if (result > -1)
{
bool isLiveness = false;
ImageInfo imageInfo = ImageUtil.ReadBMP(bitmap); //调整图片数据
if (imageInfo == null)
{
return;
}
int retCode_Liveness = -1;
//RGB活体检测
ASF_LivenessInfo liveInfo = FaceUtil.LivenessInfo_RGB(pVideoImageEngine, imageInfo, multiFaceInfo, out retCode_Liveness);
//判断检测结果
if (retCode_Liveness == 0 && liveInfo.num > 0)
{
int isLive = MemoryUtil.PtrToStructure <int>(liveInfo.isLive);
isLiveness = (isLive == 1) ? true : false;
}
if (isLiveness)//活体检测成功
{
//存放当前人脸识别的相似度
idCardHelper.idInfo.similarity = similarity;
//记录下当前的摄像头的人脸抓拍照
idCardHelper.idInfo.capImage = bitmap;
//验证通过则不再是当前身份证，等待下一次身份证
idCardHelper.idInfo.isRight = false;
//在子线程中输出信息到messageBox
AppendText p = new AppendText(AddTextToMessBox);
lbl_msg.Invoke(p, "人脸验证成功，请取卡...\n");
pass = 1;
idCardHelper.idInfo.isPass = 1;
//将比对结果放到显示消息中，用于最新显示
trackUnit.message = string.Format("通过验证，相似度为{0}", similarity);
FileHelper.DeleteFile(m_strPath); //删除验证过的本地文件
Thread.Sleep(1000); //延时1秒
this.IDPbox.Image = defaultImage; //照片恢复默认照片
trackUnit.message = ""; //人脸识别框文字置空
setFormResultValue(true);
}
else
{
pass = 0;//标志未通过
trackUnit.message = "未通过，系统识别为照片";
AppendText p = new AppendText(AddTextToMessBox);
lbl_msg.Invoke(p, "抱歉，您未通过人脸验证...\n");
FileHelper.DeleteFile(m_strPath);//删除验证过的本地文件
}
}
else
{
pass = 0;//标志未通过
trackUnit.message = "未通过人脸验证";
AppendText p = new AppendText(AddTextToMessBox);
lbl_msg.Invoke(p, "抱歉，您未通过人脸验证...\n");
FileHelper.DeleteFile(m_strPath);//删除验证过的本地文件
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
FileHelper.DeleteFile(m_strPath);//删除验证过的本地文件
}
finally
{
isLock = false;
}
}
isLock = false;
}));
}
return(false);
}
private void FaceIdentify(Image srcImage)
{
//调整图像宽度，需要宽度为4的倍数
//srcImage = ImageUtil.ScaleImage(srcImage, picImageCompare.Width, picImageCompare.Height);
//调整图片数据，非常重要
ImageInfo imageInfo = ImageUtil.ReadBMP(srcImage);
//人脸检测
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pEngine, imageInfo);
//年龄检测
int retCode_Age = -1;
ASF_AgeInfo ageInfo = FaceUtil.AgeEstimation(pEngine, imageInfo, multiFaceInfo, out retCode_Age);
//性别检测
int retCode_Gender = -1;
ASF_GenderInfo genderInfo = FaceUtil.GenderEstimation(pEngine, imageInfo, multiFaceInfo, out retCode_Gender);
////3DAngle检测
//int retCode_3DAngle = -1;
//ASF_Face3DAngle face3DAngleInfo = FaceUtil.Face3DAngleDetection(pEngine, imageInfo, multiFaceInfo, out retCode_3DAngle);
MemoryUtil.Free(imageInfo.imgData);
if (multiFaceInfo.faceNum < 1)
{
image1Feature = IntPtr.Zero;
picImageCompare.Image = 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 = MemoryUtil.PtrToStructure <MRECT>(multiFaceInfo.faceRects + MemoryUtil.SizeOf <MRECT>() * i);
//int orient = MemoryUtil.PtrToStructure<int>(multiFaceInfo.faceOrients + MemoryUtil.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 = MemoryUtil.PtrToStructure <int>(ageInfo.ageArray + MemoryUtil.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 = MemoryUtil.PtrToStructure <int>(genderInfo.genderArray + MemoryUtil.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 = MemoryUtil.PtrToStructure<int>(face3DAngleInfo.status + MemoryUtil.SizeOf<int>() * i);
// //roll为侧倾角，pitch为俯仰角，yaw为偏航角
// roll = MemoryUtil.PtrToStructure<float>(face3DAngleInfo.roll + MemoryUtil.SizeOf<float>() * i);
// pitch = MemoryUtil.PtrToStructure<float>(face3DAngleInfo.pitch + MemoryUtil.SizeOf<float>() * i);
// yaw = MemoryUtil.PtrToStructure<float>(face3DAngleInfo.yaw + MemoryUtil.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;
// }
//srcImage = ImageUtil.MarkRectAndString(srcImage, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, age, 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));
srcImage = ImageUtil.MarkRectAndString(srcImage, temp.left, temp.top, temp.right - temp.left, temp.bottom - temp.top, ageTemp, genderTemp);
}
////AppendText(string.Format("{0} - 人脸数量:{1}\n\n", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss"), multiFaceInfo.faceNum));
////显示标记后的图像
picImageCompare.Image = srcImage;
////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
//image1Feature = FaceUtil.ExtractFeature(pEngine, 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);
////}
}
/// <summary>
/// “选择识别图片”按钮事件
/// </summary>
private void ChooseImg(object sender, EventArgs e)
{
lblCompareInfo.Text = "";
if (pEngine == IntPtr.Zero)
{
chooseMultiImgBtn.Enabled = false;
matchBtn.Enabled = false;
btnClearFaceList.Enabled = false;
chooseImgBtn.Enabled = false;
MessageBox.Show("请先初始化引擎!");
return;
}
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Title = "选择图片";
openFileDialog.Filter = "图片文件|*.bmp;*.jpg;*.jpeg;*.png";
openFileDialog.Multiselect = false;
openFileDialog.FileName = string.Empty;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
DateTime detectStartTime = DateTime.Now;
AppendText(string.Format("------------------------------开始检测，时间:{0}------------------------------\n", detectStartTime.ToString("yyyy-MM-dd HH:mm:ss:ms")));
image1Path = openFileDialog.FileName;
//获取文件，拒绝过大的图片
FileInfo fileInfo = new FileInfo(image1Path);
long maxSize = 1024 * 1024 * 2;
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 = Image.FromFile(image1Path);
//调整图像宽度，需要宽度为4的倍数
srcImage = ImageUtil.ScaleImage(srcImage, picImageCompare.Width, picImageCompare.Height);
//调整图片数据，非常重要
ImageInfo imageInfo = ImageUtil.ReadBMP(srcImage);
//人脸检测
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pEngine, imageInfo);
//年龄检测
int retCode_Age = -1;
ASF_AgeInfo ageInfo = FaceUtil.AgeEstimation(pEngine, imageInfo, multiFaceInfo, out retCode_Age);
//性别检测
int retCode_Gender = -1;
ASF_GenderInfo genderInfo = FaceUtil.GenderEstimation(pEngine, imageInfo, multiFaceInfo, out retCode_Gender);
//3DAngle检测
int retCode_3DAngle = -1;
ASF_Face3DAngle face3DAngleInfo = FaceUtil.Face3DAngleDetection(pEngine, imageInfo, multiFaceInfo, out retCode_3DAngle);
MemoryUtil.Free(imageInfo.imgData);
if (multiFaceInfo.faceNum < 1)
{
image1Feature = IntPtr.Zero;
picImageCompare.Image = 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 = MemoryUtil.PtrToStructure <MRECT>(multiFaceInfo.faceRects + MemoryUtil.SizeOf <MRECT>() * i);
int orient = MemoryUtil.PtrToStructure <int>(multiFaceInfo.faceOrients + MemoryUtil.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 = MemoryUtil.PtrToStructure <int>(ageInfo.ageArray + MemoryUtil.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 = MemoryUtil.PtrToStructure <int>(genderInfo.genderArray + MemoryUtil.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 = MemoryUtil.PtrToStructure <int>(face3DAngleInfo.status + MemoryUtil.SizeOf <int>() * i);
//roll为侧倾角，pitch为俯仰角，yaw为偏航角
roll = MemoryUtil.PtrToStructure <float>(face3DAngleInfo.roll + MemoryUtil.SizeOf <float>() * i);
pitch = MemoryUtil.PtrToStructure <float>(face3DAngleInfo.pitch + MemoryUtil.SizeOf <float>() * i);
yaw = MemoryUtil.PtrToStructure <float>(face3DAngleInfo.yaw + MemoryUtil.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;
}
//srcImage = ImageUtil.MarkRectAndString(srcImage, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, age, 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));
}
srcImage = ImageUtil.MarkRectAndString(srcImage, temp.left, temp.top, temp.right - temp.left, temp.bottom - temp.top, ageTemp, genderTemp);
AppendText(string.Format("{0} - 人脸数量:{1}\n\n", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss"), multiFaceInfo.faceNum));
//显示标记后的图像
picImageCompare.Image = srcImage;
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
image1Feature = FaceUtil.ExtractFeature(pEngine, 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);
}
}
}
private void InitDB()
{
string allselect = "selsect * from face";
conn.Open();
MySqlCommand cmd = new MySqlCommand(allselect, conn);
MySqlDataReader read = cmd.ExecuteReader();
if (read.FieldCount == 0)
{
return;
}
while (read.Read())
{
int i = 0;
string _name = read.GetString("name");
string path = read.GetString("face");
Image srcImage = Image.FromFile(path);
if (srcImage == null)
{
return;
}
srcImage = ImageUtil.ScaleImage(srcImage, picImageCompare.Width, picImageCompare.Height);
ImageInfo imageInfo = ImageUtil.ReadBMP(srcImage);
ASF_SingleFaceInfo singleFaceInfo = new ASF_SingleFaceInfo();
//提取人脸特征
IntPtr ptr = FaceUtil.ExtractFeature(pEngine, srcImage, out singleFaceInfo);
if (ptr == IntPtr.Zero)
{
continue;
}
imagePathList.Add(path);
imagesFeatureList.Add(ptr);
KeyValuePair <string, IntPtr> pair = new KeyValuePair <string, IntPtr>(path, ptr);
People people = new People(_name, pair);
peoples.Add(people);
//人脸检测与剪裁
ThreadPool.QueueUserWorkItem(new WaitCallback(delegate
{
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pEngine, srcImage);
if (multiFaceInfo.faceNum > 0)
{
imagePathList.Add(path);
MRECT rect = MemoryUtil.PtrToStructure <MRECT>(multiFaceInfo.faceRects);
srcImage = ImageUtil.CutImage(srcImage, rect.left, rect.top, rect.right, rect.bottom);
}
this.Invoke(new Action(delegate
{
if (srcImage == null)
{
srcImage = Image.FromFile(path);
}
imageLists.Images.Add(path, srcImage);
imageList.Items.Add(i + "号", path);
i++;
srcImage = null;
}));
}));
}
}
/// <summary>
/// 人脸库图片选择按钮事件
/// </summary>
private void ChooseMultiImg(object sender, EventArgs e)
{
lock (locker)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Title = "选择图片";
openFileDialog.Filter = "图片文件|*.bmp;*.jpg;*.jpeg;*.png";
openFileDialog.Multiselect = true;
openFileDialog.FileName = string.Empty;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
List <string> imagePathListTemp = new List <string>();
var numStart = imagePathList.Count;
int isGoodImage = 0;
//保存图片路径并显示
string[] fileNames = openFileDialog.FileNames;
for (int i = 0; i < fileNames.Length; i++)
{
imagePathListTemp.Add(fileNames[i]);
}
//人脸检测以及提取人脸特征
ThreadPool.QueueUserWorkItem(new WaitCallback(delegate
{
//禁止点击按钮
Invoke(new Action(delegate
{
chooseMultiImgBtn.Enabled = false;
matchBtn.Enabled = false;
btnClearFaceList.Enabled = false;
chooseImgBtn.Enabled = false;
}));
//人脸检测和剪裁
for (int i = 0; i < imagePathListTemp.Count; i++)
{
Image image = Image.FromFile(imagePathListTemp[i]);
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pEngine, image);
if (multiFaceInfo.faceNum > 0)
{
imagePathList.Add(imagePathListTemp[i]);
MRECT rect = MemoryUtil.PtrToStructure <MRECT>(multiFaceInfo.faceRects);
image = ImageUtil.CutImage(image, rect.left, rect.top, rect.right, rect.bottom);
}
else
{
continue;
}
this.Invoke(new Action(delegate
{
if (image == null)
{
image = Image.FromFile(imagePathListTemp[i]);
}
imageLists.Images.Add(imagePathListTemp[i], image);
imageList.Items.Add((numStart + isGoodImage) + "号", imagePathListTemp[i]);
isGoodImage += 1;
image = null;
}));
}
//提取人脸特征
for (int i = numStart; i < imagePathList.Count; i++)
{
ASF_SingleFaceInfo singleFaceInfo = new ASF_SingleFaceInfo();
IntPtr feature = FaceUtil.ExtractFeature(pEngine, Image.FromFile(imagePathList[i]), out singleFaceInfo);
this.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);
}
}));
}
//imagePathList.AddRange(imagePathListTemp);
//允许点击按钮
Invoke(new Action(delegate
{
chooseMultiImgBtn.Enabled = true;
matchBtn.Enabled = true;
btnClearFaceList.Enabled = true;
chooseImgBtn.Enabled = true;
}));
}));
}
}
}
//比对函数
//将每一帧抓拍的照片和身份证照片进行比对
private bool CompareImgWithIDImg(Bitmap bitmap, PaintEventArgs e)
{
recTimes--;
if (bitmap == null)
{
return(false);
}
Graphics g = e.Graphics;
float offsetX = videoSource.Width * 1f / bitmap.Width;
float offsetY = videoSource.Height * 1f / bitmap.Height;
//检测人脸，得到Rect框
ASF_MultiFaceInfo multiFaceInfo = FaceUtil.DetectFace(pVideoEngine, bitmap);
//得到最大人脸
ASF_SingleFaceInfo maxFace = FaceUtil.GetMaxFace(multiFaceInfo);
//得到Rect
MRECT rect = maxFace.faceRect;
float x = rect.left * offsetX;
float width = rect.right * offsetX - x;
float y = rect.top * offsetY;
float height = rect.bottom * offsetY - y;
//根据Rect进行画框
g.DrawRectangle(pen, x, y, width, height);
if (trackUnit.message != "" && x > 0 && y > 0)
{
//将上一帧检测结果显示到页面上
g.DrawString(trackUnit.message, font, brush, x, y + 5);
}
//保证只检测一帧，防止页面卡顿以及出现其他内存被占用情况
if (isLock == false)
{
isLock = true;
//异步处理提取特征值和比对，不然页面会比较卡
ThreadPool.QueueUserWorkItem(new WaitCallback(delegate
{
if (rect.left != 0 && rect.right != 0 && rect.top != 0 && rect.bottom != 0)
{
try
{
//提取人脸特征
IntPtr feature = FaceUtil.ExtractFeature(pVideoImageEngine, bitmap, maxFace);
float similarity = CompareTwoFeatures(feature, idInfo.imageFeature);
messageBox.AppendText("相似度为: " + similarity);
this.similarityText.Text = similarity.ToString(); //显示在界面上
//得到比对结果
int result = (CompareTwoFeatures(feature, idInfo.imageFeature) >= threshold) ? 1 : -1;
if (result > -1)
{
//存放当前人脸识别的相似度
idInfo.similarity = similarity;
//记录下当前的摄像头的人脸抓拍照
idInfo.capImage = bitmap;
//标志人脸比对验证通过
faceState = true;
//验证通过则不再是当前身份证，等待下一次身份证
idInfo.isRight = false;
//在子线程中输出信息到messageBox
AppendText p = new AppendText(AddTextToMessBox);
messageBox.Invoke(p, "人脸验证成功，请通过闸机...\n");
//关闭读卡线程
//workThread.Suspend();
//最终通过闸机
pass = 1;
//以人脸识别的方式通过闸机
idInfo.isPass = 1;
/*
*通信部分，将内存中的数据存放到数据库中
*/
//将身份证数据传入到服务器上
sendMessageToServer();
//将比对结果放到显示消息中，用于最新显示
trackUnit.message = string.Format("通过验证，相似度为{0}", similarity);
DeleteFile(); //删除验证过的本地文件
//延时3秒
Thread.Sleep(1000);
//照片恢复默认照片
this.IDPbox.Image = defaultImage;
}
else
{
pass = 0;
//重置显示消息
trackUnit.message = "未通过人脸验证";
AppendText p = new AppendText(AddTextToMessBox);
messageBox.Invoke(p, "抱歉，您未通过人脸验证...\n");
DeleteFile(); //删除验证过的本地文件
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
DeleteFile(); //删除验证过的本地文件
}
finally
{
isLock = false;
}
}
isLock = false;
}));
}
return(false);
}