public void Detect(String fileName)
{
Tensor imageTensor = ImageIO.ReadTensorFromImageFile(fileName, 224, 224, 128.0f, 1.0f / 128.0f);
Stopwatch watch = Stopwatch.StartNew();
MultiboxGraph.Result result = graph.Detect(imageTensor);
watch.Stop();
Bitmap bmp = new Bitmap(fileName);
MultiboxGraph.DrawResults(bmp, result, 0.1f);
if (InvokeRequired)
{
this.Invoke((MethodInvoker)(() =>
{
resultPictureBox.Image = bmp;
messageLabel.Text = String.Format("Detection completed in {0} milliseconds", watch.ElapsedMilliseconds);
}));
}
else
{
resultPictureBox.Image = bmp;
messageLabel.Text = String.Format("Detection completed in {0} milliseconds", watch.ElapsedMilliseconds);
}
}
void multiboxGraph_OnDownloadProgressChanged(object sender, System.Net.DownloadProgressChangedEventArgs e)
{
String fileName = "surfers.jpg";
Tensor imageTensor = Emgu.TF.Models.ImageIO.ReadTensorFromImageFile(fileName, 224, 224, 128.0f, 1.0f / 128.0f);
MultiboxGraph.Result detectResult = _multiboxGraph.Detect(imageTensor);
NSImage image = new NSImage(fileName);
MultiboxGraph.DrawResults(image, detectResult, 0.1f);
SetImage(image);
}
public void Detect(String fileName)
{
//MultiboxGraph.Download();
MultiboxGraph graph = new MultiboxGraph();
Tensor imageTensor = ImageIO.ReadTensorFromImageFile(fileName, 224, 224, 128.0f, 1.0f / 128.0f);
MultiboxGraph.Result result = graph.Detect(imageTensor);
Bitmap bmp = new Bitmap(fileName);
MultiboxGraph.DrawResults(bmp, result, 0.1f);
resultPictureBox.Image = bmp;
}
public void TestMultiboxPeopleDetect()
{
Tensor imageResults = ImageIO.ReadTensorFromImageFile("surfers.jpg", 224, 224, 128.0f, 1.0f / 128.0f);
MultiboxGraph multiboxGraph = new MultiboxGraph();
MultiboxGraph.Result result = multiboxGraph.Detect(imageResults);
Bitmap bmp = new Bitmap("surfers.jpg");
MultiboxGraph.DrawResults(bmp, result, 0.1f);
bmp.Save("surfers_result.jpg");
}
// Use this for initialization
void Start()
{
//Warning: The following code is used to get around a https certification issue for downloading tesseract language files from Github
//Do not use this code in a production environment. Please make sure you understand the security implication from the following code before using it
ServicePointManager.ServerCertificateValidationCallback += delegate(object sender, X509Certificate cert, X509Chain chain, SslPolicyErrors sslPolicyErrors) {
HttpWebRequest webRequest = sender as HttpWebRequest;
if (webRequest != null)
{
String requestStr = webRequest.Address.AbsoluteUri;
if (requestStr.StartsWith(@"https://github.com/") || requestStr.StartsWith(@"https://raw.githubusercontent.com/"))
{
return(true);
}
}
return(false);
};
TfInvoke.CheckLibraryLoaded();
WebCamDevice[] devices = WebCamTexture.devices;
int cameraCount = devices.Length;
if (cameraCount == 0)
{
_liveCameraView = false;
Texture2D texture = Resources.Load <Texture2D>("surfers");
Tensor imageTensor = ImageIO.ReadTensorFromTexture2D(texture, 224, 224, 128.0f, 1.0f / 128.0f, true);
//byte[] raw = ImageIO.EncodeJpeg(imageTensor, 128.0f, 128.0f);
//System.IO.File.WriteAllBytes("surfers_out.jpg", raw);
_multiboxGraph = new MultiboxGraph();
MultiboxGraph.Result results = _multiboxGraph.Detect(imageTensor);
drawableTexture = new Texture2D(texture.width, texture.height, TextureFormat.ARGB32, false);
drawableTexture.SetPixels(texture.GetPixels());
MultiboxGraph.DrawResults(drawableTexture, results, 0.1f);
this.GetComponent <GUITexture>().texture = drawableTexture;
this.GetComponent <GUITexture>().pixelInset = new Rect(-texture.width / 2, -texture.height / 2, texture.width, texture.height);
}
else
{
_liveCameraView = true;
webcamTexture = new WebCamTexture(devices[0].name);
_multiboxGraph = new MultiboxGraph();
baseRotation = transform.rotation;
webcamTexture.Play();
//data = new Color32[webcamTexture.width * webcamTexture.height];
}
}
partial void multiboxClicked(NSObject sender)
{
messageLabel.StringValue = "Multibox Clicked";
mainImageView.Image = null;
MultiboxGraph graph = new MultiboxGraph();
String fileName = "surfers.jpg";
Tensor imageTensor = Emgu.TF.Models.ImageIO.ReadTensorFromImageFile(fileName, 224, 224, 128.0f, 1.0f / 128.0f);
MultiboxGraph.Result detectResult = graph.Detect(imageTensor);
NSImage image = new NSImage(fileName);
MultiboxGraph.DrawResults(image, detectResult, 0.1f);
mainImageView.Image = image;
}
public MultiboxDetectionPage()
: base()
{
if (_multiboxGraph == null)
{
_multiboxGraph = new MultiboxGraph();
_multiboxGraph.OnDownloadProgressChanged += onDownloadProgressChanged;
_multiboxGraph.OnDownloadCompleted += onDownloadCompleted;
_multiboxGraph.OnDownloadCompleted += (sender, e) =>
{
OnButtonClicked(sender, e);
};
}
OnImagesLoaded += (sender, image) =>
{
try
{
SetMessage("Please wait...");
SetImage();
Stopwatch watch = Stopwatch.StartNew();
Tensor imageTensor = Emgu.TF.Models.ImageIO.ReadTensorFromImageFile(image[0], 224, 224, 128.0f, 1.0f / 128.0f);
MultiboxGraph.Result detectResult = _multiboxGraph.Detect(imageTensor);
watch.Stop();
byte[] jpeg = _multiboxGraph.DrawResultsToJpeg(image[0], detectResult);
watch.Stop();
SetImage(jpeg);
#if __MACOS__
NSImage img = new NSImage(image[0]);
var displayImage = this.GetImage();
displayImage.WidthRequest = img.Size.Width;
displayImage.HeightRequest = img.Size.Height;
#endif
SetMessage(String.Format("Detected in {0} milliseconds.", watch.ElapsedMilliseconds));
}
catch (Exception excpt)
{
String msg = excpt.Message.Replace(System.Environment.NewLine, " ");
SetMessage(msg);
}
};
}
public void TestMultiboxPeopleDetect()
{
Tensor imageResults = ImageIO.ReadTensorFromImageFile("surfers.jpg", 224, 224, 128.0f, 1.0f / 128.0f);
MultiboxGraph multiboxGraph = new MultiboxGraph();
bool processCompleted = false;
multiboxGraph.OnDownloadCompleted += (sender, e) =>
{
MultiboxGraph.Result result = multiboxGraph.Detect(imageResults);
Bitmap bmp = new Bitmap("surfers.jpg");
MultiboxGraph.DrawResults(bmp, result, 0.1f);
bmp.Save("surfers_result.jpg");
processCompleted = true;
};
multiboxGraph.Init();
while (!processCompleted)
{
Thread.Sleep(1000);
}
}
// Update is called once per frame
void Update()
{
if (!_multiboxGraph.Imported)
{
_displayMessage = String.Format("Downloading multibox model files, {0} % of file {1}...", _multiboxGraph.DownloadProgress * 100, _multiboxGraph.DownloadFileName);
}
else if (_liveCameraView)
{
if (webcamTexture != null && webcamTexture.didUpdateThisFrame)
{
#region convert the webcam texture to RGBA bytes
if (data == null || (data.Length != webcamTexture.width * webcamTexture.height))
{
data = new Color32[webcamTexture.width * webcamTexture.height];
}
webcamTexture.GetPixels32(data);
if (bytes == null || bytes.Length != data.Length * 4)
{
bytes = new byte[data.Length * 4];
}
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
Marshal.Copy(handle.AddrOfPinnedObject(), bytes, 0, bytes.Length);
handle.Free();
#endregion
#region convert the RGBA bytes to texture2D
if (resultTexture == null || resultTexture.width != webcamTexture.width ||
resultTexture.height != webcamTexture.height)
{
resultTexture = new Texture2D(webcamTexture.width, webcamTexture.height, TextureFormat.RGBA32,
false);
}
resultTexture.LoadRawTextureData(bytes);
resultTexture.Apply();
#endregion
if (!_textureResized)
{
this.GetComponent <GUITexture>().pixelInset = new Rect(-webcamTexture.width / 2,
-webcamTexture.height / 2, webcamTexture.width, webcamTexture.height);
_textureResized = true;
}
transform.rotation = baseRotation * Quaternion.AngleAxis(webcamTexture.videoRotationAngle, Vector3.up);
Tensor imageTensor = ImageIO.ReadTensorFromTexture2D(resultTexture, 224, 224, 128.0f, 1.0f / 128.0f, true);
MultiboxGraph.Result results = _multiboxGraph.Detect(imageTensor);
if (drawableTexture == null || drawableTexture.width != resultTexture.width ||
drawableTexture.height != resultTexture.height)
{
drawableTexture = new Texture2D(resultTexture.width, resultTexture.height, TextureFormat.ARGB32, false);
}
drawableTexture.SetPixels(resultTexture.GetPixels());
MultiboxGraph.DrawResults(drawableTexture, results, 0.2f);
this.GetComponent <GUITexture>().texture = drawableTexture;
//count++;
}
}
else if (!_staticViewRendered)
{
Texture2D texture = Resources.Load <Texture2D>("surfers");
Tensor imageTensor = ImageIO.ReadTensorFromTexture2D(texture, 224, 224, 128.0f, 1.0f / 128.0f, true);
//byte[] raw = ImageIO.EncodeJpeg(imageTensor, 128.0f, 128.0f);
//System.IO.File.WriteAllBytes("surfers_out.jpg", raw);
MultiboxGraph.Result results = _multiboxGraph.Detect(imageTensor);
drawableTexture = new Texture2D(texture.width, texture.height, TextureFormat.ARGB32, false);
drawableTexture.SetPixels(texture.GetPixels());
MultiboxGraph.DrawResults(drawableTexture, results, 0.1f);
this.GetComponent <GUITexture>().texture = drawableTexture;
this.GetComponent <GUITexture>().pixelInset = new Rect(-texture.width / 2, -texture.height / 2, texture.width, texture.height);
_displayMessage = String.Empty;
_staticViewRendered = true;
}
DisplayText.text = _displayMessage;
}
// Update is called once per frame
void Update()
{
if (_liveCameraView)
{
if (webcamTexture != null && webcamTexture.didUpdateThisFrame)
{
#region convert the webcam texture to RGBA bytes
if (data == null || (data.Length != webcamTexture.width * webcamTexture.height))
{
data = new Color32[webcamTexture.width * webcamTexture.height];
}
webcamTexture.GetPixels32(data);
if (bytes == null || bytes.Length != data.Length * 4)
{
bytes = new byte[data.Length * 4];
}
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
Marshal.Copy(handle.AddrOfPinnedObject(), bytes, 0, bytes.Length);
handle.Free();
#endregion
#region convert the RGBA bytes to texture2D
if (resultTexture == null || resultTexture.width != webcamTexture.width ||
resultTexture.height != webcamTexture.height)
{
resultTexture = new Texture2D(webcamTexture.width, webcamTexture.height, TextureFormat.RGBA32,
false);
}
resultTexture.LoadRawTextureData(bytes);
resultTexture.Apply();
#endregion
if (!_textureResized)
{
this.GetComponent <GUITexture>().pixelInset = new Rect(-webcamTexture.width / 2,
-webcamTexture.height / 2, webcamTexture.width, webcamTexture.height);
_textureResized = true;
}
transform.rotation = baseRotation * Quaternion.AngleAxis(webcamTexture.videoRotationAngle, Vector3.up);
Tensor imageTensor = ImageIO.ReadTensorFromTexture2D(resultTexture, 224, 224, 128.0f, 1.0f / 128.0f, true);
MultiboxGraph.Result results = _multiboxGraph.Detect(imageTensor);
if (drawableTexture == null || drawableTexture.width != resultTexture.width ||
drawableTexture.height != resultTexture.height)
{
drawableTexture = new Texture2D(resultTexture.width, resultTexture.height, TextureFormat.ARGB32, false);
}
drawableTexture.SetPixels(resultTexture.GetPixels());
MultiboxGraph.DrawResults(drawableTexture, results, 0.1f);
this.GetComponent <GUITexture>().texture = drawableTexture;
//count++;
}
}
}
public MultiboxDetectionPage()
: base()
{
var button = this.GetButton();
button.Text = "Perform People Detection";
button.Clicked += OnButtonClicked;
OnImagesLoaded += async(sender, image) =>
{
GetLabel().Text = "Please wait...";
SetImage();
Task <Tuple <byte[], long> > t = new Task <Tuple <byte[], long> >(
() =>
{
//MultiboxGrapho.Download();
MultiboxGraph graph = new MultiboxGraph();
Tensor imageTensor = Emgu.TF.Models.ImageIO.ReadTensorFromImageFile(image[0], 224, 224, 128.0f, 1.0f / 128.0f);
MultiboxGraph.Result detectResult = graph.Detect(imageTensor);
#if __ANDROID__
BitmapFactory.Options options = new BitmapFactory.Options();
options.InMutable = true;
Android.Graphics.Bitmap bmp = BitmapFactory.DecodeFile(image[0], options);
MultiboxGraph.DrawResults(bmp, detectResult, 0.2f);
using (MemoryStream ms = new MemoryStream())
{
bmp.Compress(Bitmap.CompressFormat.Jpeg, 90, ms);
return(new Tuple <byte[], long>(ms.ToArray(), 0));
}
#elif __UNIFIED__ && !__IOS__
NSImage img = NSImage.ImageNamed(image[0]);
Xamarin.Forms.Device.BeginInvokeOnMainThread(() =>
{
MultiboxGraph.DrawResults(img, detectResult, 0.1f);
var imageData = img.AsTiff();
var imageRep = NSBitmapImageRep.ImageRepsWithData(imageData)[0] as NSBitmapImageRep;
var jpegData = imageRep.RepresentationUsingTypeProperties(NSBitmapImageFileType.Jpeg, null);
byte[] raw = new byte[jpegData.Length];
System.Runtime.InteropServices.Marshal.Copy(jpegData.Bytes, raw, 0, (int)jpegData.Length);
SetImage(raw);
GetLabel().Text = String.Format("Detected with in {0} milliseconds.", 0);
});
return(new Tuple <byte[], long>(null, 0));
#elif __IOS__
UIImage uiimage = new UIImage(image[0]);
Xamarin.Forms.Device.BeginInvokeOnMainThread(() =>
{
UIImage newImg = MultiboxGraph.DrawResults(uiimage, detectResult, 0.1f);
var jpegData = newImg.AsJPEG();
byte[] raw = new byte[jpegData.Length];
System.Runtime.InteropServices.Marshal.Copy(jpegData.Bytes, raw, 0, (int)jpegData.Length);
SetImage(raw);
GetLabel().Text = String.Format("Detected with in {0} milliseconds.", 0);
});
return(new Tuple <byte[], long>(null, 0));
#else
return(new Tuple <byte[], long>(new byte[10], 0));
#endif
});
t.Start();
#if !(__UNIFIED__)
var result = await t;
SetImage(t.Result.Item1);
GetLabel().Text = String.Format("Detected with in {0} milliseconds.", t.Result.Item2);
#endif
};
}
