/// <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);
}
}
}