/// <summary>
/// 每固定時間進行畫面取的並進行人臉辨識的動作
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void tiCapture_Tick(object sender, EventArgs e)
{
Image objImage = oWebCam.CaptureImage();
picRender.Image = objImage;
// 先取出照片中的人臉與其FaceId
var ms = new MemoryStream();
objImage.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
Face[] faces = null;
try
{
// faces = await face.DetectAsync(ms);
HttpResponseMessage response = await new CognitiveUtility().FaceDetect(ms, base.SetupConfig.FaceApiKey);
string strContent = await response.Content.ReadAsStringAsync();
faces = JsonConvert.DeserializeObject <Face[]>(strContent);
}
catch (Exception ex)
{
string strErr = ex.Message;
}
// 將照片中的臉，與指定的PersonGroup進行比對
if (faces != null)
{
Guid[] faceGuids = faces.Select(x => x.FaceId).ToArray();
if (faceGuids.Length > 0)
{
string strPersonGroup = ((Models.CognitiveModels.ListItem)cbxPersonGroup.SelectedItem).Value;
IdentifyResult[] result = await face.IdentifyAsync(strPersonGroup, faceGuids);
// 取得照片中的人臉
lbxPerson.Items.Clear();
string strPersonNameLabel = "";
for (int i = 0; i < result.Length; i++)
{
for (int p = 0; p < result[i].Candidates.Length; p++)
{
string strPersonId = result[i].Candidates[p].PersonId.ToString();
string strPersonName = (DicPerson.Contains(strPersonId)) ? DicPerson[strPersonId].ToString() : "";
lbxPerson.Items.Add(strPersonName);
strPersonNameLabel += strPersonName + ",";
}
}
// 顯示報到文字
if (strPersonNameLabel != "")
{
strPersonNameLabel = strPersonNameLabel.Substring(0, strPersonNameLabel.Length - 1) + " 報到完成";
lblPersonName.Text = strPersonNameLabel;
tiPersonLabel.Enabled = true;
plPersonName.Visible = true;
int intFontSize = ((plPersonName.Width / 15) > 48) ? 48 : (plPersonName.Width / 15);
lblPersonName.Font = new Font("微軟正黑體", intFontSize);
}
}
}
}
/// <summary>
/// 點選透過WebCam照像的動作
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void btnCam_Click(object sender, EventArgs e)
{
// 打開WebCam
oWebCam = new WebCam();
oWebCam.Container = picImage;
oWebCam.Container.Height = picImage.Height;
oWebCam.Container.Width = picImage.Width;
oWebCam.OpenConnection();
string strTime = DateTime.Now.ToString("yyyyMMddHHmmss");
string strFileFolder = ConfigurationManager.AppSettings["FileFolder"].ToString();
string strFileName = strFileFolder + strTime + ".jpg";
Image objImg = oWebCam.CaptureImage();
objImg.Save(strFileName);
plTag.BackgroundImage = Bitmap.FromFile(strFileName);
Face[] faces = await face.DetectAsync(File.OpenRead(strFileName), true, true);
await this.DetectFace(faces);
}
/// <summary>
/// 點選透過WebCam照像的動作
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void btnCam_Click(object sender, EventArgs e)
{
// 打開WebCam
oWebCam = new WebCam();
oWebCam.Container = picImage;
oWebCam.Container.Height = picImage.Height;
oWebCam.Container.Width = picImage.Width;
oWebCam.OpenConnection();
Image img = oWebCam.CaptureImage();
picImage.Image = img;
MemoryStream ms = new MemoryStream();
img.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
oWebCam.Dispose();
HttpResponseMessage response = await new CognitiveUtility().FaceDetect(ms, base.SetupConfig.FaceApiKey);
string strContent = await response.Content.ReadAsStringAsync();
Face[] faces = JsonConvert.DeserializeObject <Face[]>(strContent);
await this.DetectFace(faces);
}
private async Task GetFaceFromCamAsync()
{
oWebCam.Container.Height = picRender.Height;
oWebCam.Container.Width = picRender.Width;
string strTime = DateTime.Now.ToString("yyyyMMddHHmmss");
string strFileFolder = ConfigurationManager.AppSettings["FileFolder"].ToString();
string strFileName = strFileFolder + strTime + ".jpg";
Image objImg = oWebCam.CaptureImage();
objImg.Save(strFileName);
plCam.BackgroundImage = Bitmap.FromFile(strFileName);
// 先取出照片中的人臉與其FaceId
Face[] faces = null;
try
{
Stream st = File.OpenRead(strFileName);
faces = await face.DetectAsync(st, true, true);
objPlUtil.RenderFaceRectangle(faces);
}
catch (Exception ex)
{
string strErr = ex.Message;
}
// 將照片中的臉，與指定的PersonGroup進行比對
if (faces != null)
{
Guid[] faceGuids = faces.Select(x => x.FaceId).ToArray();
if (faceGuids.Length > 0)
{
string strPersonGroup = ((Models.CognitiveModels.ListItem)cbxPersonGroup.SelectedItem).Value;
IdentifyResult[] result = await face.IdentifyAsync(strPersonGroup, faceGuids);
// 取得照片中的人臉
lbxPerson.Items.Clear();
string strPersonNameLabel = "";
for (int i = 0; i < result.Length; i++)
{
for (int p = 0; p < result[i].Candidates.Length; p++)
{
string strPersonId = result[i].Candidates[p].PersonId.ToString();
string strPersonName = (DicPerson.Contains(strPersonId)) ? DicPerson[strPersonId].ToString() : "";
lbxPerson.Items.Add(strPersonName);
strPersonNameLabel += strPersonName + ",";
}
}
// 顯示文字
if (strPersonNameLabel != "")
{
strPersonNameLabel = strPersonNameLabel.Substring(0, strPersonNameLabel.Length - 1);
lblPersonName.Text = strPersonNameLabel;
tiPersonLabel.Enabled = true;
plPersonName.Visible = true;
}
}
}
}