实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Drawing.Imaging;
using System.Diagnostics;
using System.Threading;
using AmFaceVerify;
namespace ArcsoftFaceTest
{
public partial class Form1 : Form
{
byte[] firstFeature;
byte[] secondFeature;
//人脸检测引擎
IntPtr detectEngine = IntPtr.Zero;
//人脸识别引擎
IntPtr regcognizeEngine = IntPtr.Zero;
//拖拽线程
private Thread threadMultiExec;
//构造函数
public Form1()
{
InitializeComponent();
}
//把图片转成byte[]
private byte[] getBGR(Bitmap image, ref int width, ref int height, ref int pitch)
{
//Bitmap image = new Bitmap(imgPath);
const PixelFormat PixelFormat = PixelFormat.Format24bppRgb;
BitmapData data = image.LockBits(new Rectangle(0, 0, image.Width, image.Height), ImageLockMode.ReadOnly, PixelFormat);
IntPtr ptr = data.Scan0;
int ptr_len = data.Height * Math.Abs(data.Stride);
byte[] ptr_bgr = new byte[ptr_len];
Marshal.Copy(ptr, ptr_bgr, 0, ptr_len);
width = data.Width;
height = data.Height;
pitch = Math.Abs(data.Stride);
int line = width * 3;
int bgr_len = line * height;
byte[] bgr = new byte[bgr_len];
for (int i = 0; i < height; i)
{
Array.Copy(ptr_bgr, i * pitch, bgr, i * line, line);
}
pitch = line;
image.UnlockBits(data);
return bgr;
}
//选择第一张照片
private void button4_Click(object sender, EventArgs e)
{
OpenFileDialog openFile = new OpenFileDialog();
openFile.Filter = "图片文件|*.bmp;*.jpg;*.jpeg;*.png|所有文件|*.*;";
openFile.Multiselect = false;
openFile.FileName = "";
if (openFile.ShowDialog() == DialogResult.OK)
{
this.pictureBox1.Image = null;
Image image = Image.FromFile(openFile.FileName);
this.pictureBox1.Image = new Bitmap(image);
image.Dispose();
firstFeature = detectAndExtractFeature(this.pictureBox1.Image, 1);
}
}
//选择第二张照片
private void button2_Click(object sender, EventArgs e)
{
OpenFileDialog openFile = new OpenFileDialog();
openFile.Filter = "图片文件|*.bmp;*.jpg;*.jpeg;*.png|所有文件|*.*;";
openFile.Multiselect = false;
openFile.FileName = "";
if (openFile.ShowDialog() == DialogResult.OK)
{
this.pictureBox2.Image = null;
Image image = Image.FromFile(openFile.FileName);
this.pictureBox2.Image = new Bitmap(image);
image.Dispose();
secondFeature = detectAndExtractFeature(this.pictureBox2.Image, 2);
}
}
//提取识别出的人脸
public static Bitmap CutFace(Bitmap srcImage, int StartX, int StartY, int iWidth, int iHeight)
{
if (srcImage == null)
{
return null;
}
int w = srcImage.Width;
int h = srcImage.Height;
if (StartX >= w || StartY >= h)
{
return null;
}
if (StartX iWidth > w)
{
iWidth = w - StartX;
}
if (StartY iHeight > h)
{
iHeight = h - StartY;
}
try
{
Bitmap bmpOut = new Bitmap(iWidth, iHeight, PixelFormat.Format24bppRgb);
Graphics g = Graphics.FromImage(bmpOut);
g.DrawImage(srcImage, new Rectangle(0, 0, iWidth, iHeight), new Rectangle(StartX, StartY, iWidth, iHeight), GraphicsUnit.Pixel);
g.Dispose();
return bmpOut;
}
catch
{
return null;
}
}
//获取相似度
private void button3_Click(object sender, EventArgs e)
{
float similar = 0f;
AFR_FSDK_FACEMODEL localFaceModels = new AFR_FSDK_FACEMODEL();
IntPtr firstFeaturePtr = Marshal.AllocHGlobal(firstFeature.Length);
Marshal.Copy(firstFeature, 0, firstFeaturePtr, firstFeature.Length);
localFaceModels.lFeatureSize = firstFeature.Length;
localFaceModels.pbFeature = firstFeaturePtr;
IntPtr secondFeaturePtr = Marshal.AllocHGlobal(secondFeature.Length);
Marshal.Copy(secondFeature, 0, secondFeaturePtr, secondFeature.Length);
AFR_FSDK_FACEMODEL localFaceModels2 = new AFR_FSDK_FACEMODEL();
localFaceModels2.lFeatureSize = secondFeature.Length;
localFaceModels2.pbFeature = secondFeaturePtr;
IntPtr firstPtr = Marshal.AllocHGlobal(Marshal.SizeOf(localFaceModels));
Marshal.StructureToPtr(localFaceModels, firstPtr, false);
IntPtr secondPtr = Marshal.AllocHGlobal(Marshal.SizeOf(localFaceModels2));
Marshal.StructureToPtr(localFaceModels2, secondPtr, false);
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
int result = AmFaceVerify.AFR_FSDK_FacePairMatching(regcognizeEngine, firstPtr, secondPtr, ref similar);
stopwatch.Stop();
setControlText(this.label1, "相似度:" similar.ToString() " 耗时:" stopwatch.ElapsedMilliseconds.ToString() "ms");
//this.label1.Text = "相似度:" similar.ToString() " 耗时:" stopwatch.ElapsedMilliseconds.ToString() "ms";
localFaceModels = new AFR_FSDK_FACEMODEL();
Marshal.FreeHGlobal(firstFeaturePtr);
Marshal.FreeHGlobal(secondFeaturePtr);
Marshal.FreeHGlobal(firstPtr);
Marshal.FreeHGlobal(secondPtr);
localFaceModels2 = new AFR_FSDK_FACEMODEL();
}
//检测人脸、提取特征
private byte[] detectAndExtractFeature(Image imageParam, int firstSecondFlg)
{
byte[] feature = null;
try
{
Console.WriteLine();
Console.WriteLine("############### Face Detect Start #########################");
int width = 0;
int height = 0;
int pitch = 0;
Bitmap bitmap = new Bitmap(imageParam);
byte[] imageData = getBGR(bitmap, ref width, ref height, ref pitch);
//GCHandle hObject = GCHandle.Alloc(imageData, GCHandleType.Pinned);
//IntPtr imageDataPtr = hObject.AddrOfPinnedObject();
IntPtr imageDataPtr = Marshal.AllocHGlobal(imageData.Length);
Marshal.Copy(imageData, 0, imageDataPtr, imageData.Length);
ASVLOFFSCREEN offInput = new ASVLOFFSCREEN();
offInput.u32PixelArrayFormat = 513;
offInput.ppu8Plane = new IntPtr[4];
offInput.ppu8Plane[0] = imageDataPtr;
offInput.i32Width = width;
offInput.i32Height = height;
offInput.pi32Pitch = new int[4];
offInput.pi32Pitch[0] = pitch;
AFD_FSDK_FACERES faceRes = new AFD_FSDK_FACERES();
IntPtr offInputPtr = Marshal.AllocHGlobal(Marshal.SizeOf(offInput));
Marshal.StructureToPtr(offInput, offInputPtr, false);
IntPtr faceResPtr = Marshal.AllocHGlobal(Marshal.SizeOf(faceRes));
//Marshal.StructureToPtr(faceRes, faceResPtr, false);
Console.WriteLine("StartTime:{0}", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.ffff"));
Stopwatch watchTime = new Stopwatch();
watchTime.Start();
//人脸检测
int detectResult = AmFaceVerify.AFD_FSDK_StillImageFaceDetection(detectEngine, offInputPtr, ref faceResPtr);
watchTime.Stop();
if (firstSecondFlg == 1)
{
setControlText(this.label5, String.Format("检测耗时:{0}ms", watchTime.ElapsedMilliseconds));
//this.label5.Text = String.Format("检测耗时:{0}ms", watchTime.ElapsedMilliseconds);
}
else if (firstSecondFlg == 2)
{
setControlText(this.label2, String.Format("检测耗时:{0}ms", watchTime.ElapsedMilliseconds));
//this.label2.Text = String.Format("检测耗时:{0}ms", watchTime.ElapsedMilliseconds);
}
object obj = Marshal.PtrToStructure(faceResPtr, typeof(AFD_FSDK_FACERES));
faceRes = (AFD_FSDK_FACERES)obj;
Console.WriteLine(" Face Count:{0}", faceRes.nFace);
for (int i = 0; i < faceRes.nFace; i )
{
MRECT rect = (MRECT)Marshal.PtrToStructure(faceRes.rcFace Marshal.SizeOf(typeof(MRECT)) * i, typeof(MRECT));
int orient = (int)Marshal.PtrToStructure(faceRes.lfaceOrient Marshal.SizeOf(typeof(int)) * i, typeof(int));
if (i == 0)
{
Image image = CutFace(bitmap, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top);
if (firstSecondFlg == 1)
{
this.pictureBox3.Image = image;
}
else if (firstSecondFlg == 2)
{
this.pictureBox4.Image = image;
}
}
Console.WriteLine(" left:{0} top:{1} right:{2} bottom:{3} orient:{4}", rect.left, rect.top, rect.right, rect.bottom, orient);
}
Console.WriteLine(" EndTime:{0}", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.ffff"));
Console.WriteLine("############### Face Detect End #########################");
if (faceRes.nFace > 0)
{
Console.WriteLine();
Console.WriteLine("############### Face Recognition Start #########################");
AFR_FSDK_FACEINPUT faceResult = new AFR_FSDK_FACEINPUT();
int orient = (int)Marshal.PtrToStructure(faceRes.lfaceOrient, typeof(int));
faceResult.lfaceOrient = orient;
faceResult.rcFace = new MRECT();
MRECT rect = (MRECT)Marshal.PtrToStructure(faceRes.rcFace, typeof(MRECT));
faceResult.rcFace = rect;
IntPtr faceResultPtr = Marshal.AllocHGlobal(Marshal.SizeOf(faceResult));
Marshal.StructureToPtr(faceResult, faceResultPtr, false);
AFR_FSDK_FACEMODEL localFaceModels = new AFR_FSDK_FACEMODEL();
IntPtr localFaceModelsPtr = Marshal.AllocHGlobal(Marshal.SizeOf(localFaceModels));
//Marshal.StructureToPtr(localFaceModels, localFaceModelsPtr, false);
watchTime.Start();
int extractResult = AmFaceVerify.AFR_FSDK_ExtractFRFeature(regcognizeEngine, offInputPtr, faceResultPtr, localFaceModelsPtr);
Marshal.FreeHGlobal(faceResultPtr);
Marshal.FreeHGlobal(offInputPtr);
watchTime.Stop();
if (firstSecondFlg == 1)
{
setControlText(this.label3, String.Format("抽取特征耗时:{0}ms", watchTime.ElapsedMilliseconds));
//this.label3.Text = String.Format("抽取特征耗时:{0}ms", watchTime.ElapsedMilliseconds);
}
else if (firstSecondFlg == 2)
{
setControlText(this.label4, String.Format("抽取特征耗时:{0}ms", watchTime.ElapsedMilliseconds));
//this.label4.Text = String.Format("抽取特征耗时:{0}ms", watchTime.ElapsedMilliseconds);
}
object objFeature = Marshal.PtrToStructure(localFaceModelsPtr, typeof(AFR_FSDK_FACEMODEL));
Marshal.FreeHGlobal(localFaceModelsPtr);
localFaceModels = (AFR_FSDK_FACEMODEL)objFeature;
feature = new byte[localFaceModels.lFeatureSize];
Marshal.Copy(localFaceModels.pbFeature, feature, 0, localFaceModels.lFeatureSize);
localFaceModels = new AFR_FSDK_FACEMODEL();
Console.WriteLine("############### Face Recognition End #########################");
}
bitmap.Dispose();
imageData = null;
Marshal.FreeHGlobal(imageDataPtr);
offInput = new ASVLOFFSCREEN();
faceRes = new AFD_FSDK_FACERES();
//Marshal.FreeHGlobal(faceResPtr);
}
catch (Exception e)
{
LogHelper.WriteErrorLog("detect", e.Message "\n" e.StackTrace);
}
return feature;
}
//初始化
private void Form1_Load(object sender, EventArgs e)
{
#region 初始化人脸检测引擎
int detectSize = 40 * 1024 * 1024;
IntPtr pMem = Marshal.AllocHGlobal(detectSize);
//1-1
//string appId = "4tnYSJ68e8wztSo4Cf7WvbyMZduHwpqtThAEM3obMWbE";
//1-1
//string sdkKey = "Cgbaq34izc8PA2Px26x8qqWTQn2P5vxijaWKdUrdCwYT";
//1-n
string appId = "4tnYSJ68e8wztSo4Cf7Wvbz6Y3UFa7sYbRpM78FrKa1b";
//1-n
string sdkKey = "ACWCx3meGjZyWCYCUE3gG4NmrhG2q8MzjcZKQHfSL935";
//人脸检测引擎初始化
int retCode = AmFaceVerify.AFD_FSDK_InitialFaceEngine(appId, sdkKey, pMem, detectSize, ref detectEngine, 5, 50, 1);
//获取人脸检测引擎版本
IntPtr versionPtr = AmFaceVerify.AFD_FSDK_GetVersion(detectEngine);
AFD_FSDK_Version version = (AFD_FSDK_Version)Marshal.PtrToStructure(versionPtr, typeof(AFD_FSDK_Version));
Console.WriteLine("lCodebase:{0} lMajor:{1} lMinor:{2} lBuild:{3} Version:{4} BuildDate:{5} CopyRight:{6}", version.lCodebase, version.lMajor, version.lMinor, version.lBuild, Marshal.PtrToStringAnsi(version.Version), Marshal.PtrToStringAnsi(version.BuildDate), Marshal.PtrToStringAnsi(version.CopyRight));
//Marshal.FreeHGlobal(versionPtr);
#endregion
#region 初始化人脸识别引擎
int recognizeSize = 40 * 1024 * 1024;
IntPtr pMemDetect = Marshal.AllocHGlobal(recognizeSize);
//1-1
//string appIdDetect = "4tnYSJ68e8wztSo4Cf7WvbyMZduHwpqtThAEM3obMWbE";
//1-1
//string sdkKeyDetect = "Cgbaq34izc8PA2Px26x8qqWaaBHbPD7wWMcTU6xe8VRo";
//1-n
string appIdDetect = "4tnYSJ68e8wztSo4Cf7Wvbz6Y3UFa7sYbRpM78FrKa1b";
//1-n
string sdkKeyDetect = "ACWCx3meGjZyWCYCUE3gG4PGWJJfTYJKx22ztQFVkAjG";
//人脸识别引擎初始化
retCode = AmFaceVerify.AFR_FSDK_InitialEngine(appIdDetect, sdkKeyDetect, pMemDetect, recognizeSize, ref regcognizeEngine);
//获取人脸识别引擎版本
IntPtr versionPtrDetect = AmFaceVerify.AFR_FSDK_GetVersion(regcognizeEngine);
AFR_FSDK_Version versionDetect = (AFR_FSDK_Version)Marshal.PtrToStructure(versionPtrDetect, typeof(AFR_FSDK_Version));
Console.WriteLine("lCodebase:{0} lMajor:{1} lMinor:{2} lBuild:{3} lFeatureLevel:{4} Version:{5} BuildDate:{6} CopyRight:{7}", versionDetect.lCodebase, versionDetect.lMajor, versionDetect.lMinor, versionDetect.lBuild, versionDetect.lFeatureLevel, Marshal.PtrToStringAnsi(versionDetect.Version), Marshal.PtrToStringAnsi(versionDetect.BuildDate), Marshal.PtrToStringAnsi(versionDetect.CopyRight));
#endregion
}
//拖拽事件
private void Form1_DragDrop(object sender, DragEventArgs e)
{
// Extract the data from the DataObject-Container into a string list
string[] fileList = (string[])e.Data.GetData(DataFormats.FileDrop, false);
if (fileList.Length >= 2)
{
this.threadMultiExec = new Thread(new ParameterizedThreadStart(multiCompare));
this.threadMultiExec.Start(new object[] { fileList });
this.threadMultiExec.IsBackground = true;
}
}
private void Form1_DragEnter(object sender, DragEventArgs e)
{
// Check if the Dataformat of the data can be accepted
// (we only accept file drops from Explorer, etc.)
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
e.Effect = DragDropEffects.Copy; // Okay
}
else
{
e.Effect = DragDropEffects.None; // Unknown data, ignore it
}
}
//多线程设置PictureBox的图像
private void setPictureBoxControlImage(PictureBox control, Bitmap value)
{
control.Invoke(new Action<PictureBox, Bitmap>((ct, v) => { ct.Image = v; }), new object[] { control, value });
}
//多线程设置控件的文本
private void setControlText(Control control, string value)
{
control.Invoke(new Action<Control, string>((ct, v) => { ct.Text = v; }), new object[] { control, value });
}
//比对多个图片
private void multiCompare(object args)
{
object[] objs = args as object[];
string[] fileList = (string[])objs[0];
for (int i = 0; i < fileList.Length; i )
{
Image image = Image.FromFile(fileList[i]);
//this.pictureBox1.Image = null;
//this.pictureBox1.Image = new Bitmap(image);
setPictureBoxControlImage(this.pictureBox1, new Bitmap(image));
firstFeature = detectAndExtractFeature(image, 1);
image.Dispose();
if (firstFeature == null)
{
continue;
}
if (i 1 >= fileList.Length)
{
continue;
}
Image image2 = Image.FromFile(fileList[ i]);
//this.pictureBox2.Image = null;
// this.pictureBox2.Image = new Bitmap(image2);
setPictureBoxControlImage(this.pictureBox2, new Bitmap(image2));
secondFeature = detectAndExtractFeature(image2, 2);
image2.Dispose();
if (secondFeature == null)
{
continue;
}
button3_Click(null, null);
setControlText(this.label6, "正在处理:" (i 1).ToString());
//label6.Text = "正在处理:" (i 1).ToString();
//this.Update();
Thread.Sleep(10);
}
}
}
}
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