protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
AppPreference preference = new AppPreference();
OnButtonClick += delegate
{
CvInvoke.UseOpenCL = preference.UseOpenCL;
String oclDeviceName = preference.OpenClDeviceName;
if (!String.IsNullOrEmpty(oclDeviceName))
{
CvInvoke.OclSetDefaultDevice(oclDeviceName);
}
long time;
using (Mat box = Assets.GetMat("box.png"))
using (Mat boxInScene = Assets.GetMat("box_in_scene.png"))
using (Mat result = DrawMatches.Draw(box, boxInScene, out time))
{
SetImageBitmap(result.ToBitmap(Bitmap.Config.Rgb565));
String computeDevice = CvInvoke.UseOpenCL ? "OpenCL: " + Emgu.CV.Ocl.Device.Default.Name : "CPU";
SetMessage(String.Format("Matched with '{0}' in {1} milliseconds.", computeDevice, time));
}
};
}
protected override View OnCreateDialogView()
{
LayoutInflater inflator = LayoutInflater.FromContext(this.Context);
View dialog = inflator.Inflate(Resource.Layout.opencl_preference, null);
_openCLToggleButton = dialog.FindViewById <ToggleButton>(Resource.Id.opencl_preference_toggleButton);
AppPreference preference = new AppPreference();
_openCLToggleButton.Checked = preference.UseOpenCL;
_openCLToggleButton.CheckedChange += (sender, args) =>
{
bool isChecked = args.IsChecked;
if (isChecked && !CvInvoke.HaveOpenCL)
{
_openCLToggleButton.Checked = false;
Toast.MakeText(Context, "No OpenCL compatible device found.", ToastLength.Long).Show();
isChecked = false;
}
preference.UseOpenCL = isChecked;
};
return(dialog);
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
AppPreference preference = new AppPreference();
OnButtonClick += delegate
{
CvInvoke.UseOpenCL = preference.UseOpenCL;
String oclDeviceName = preference.OpenClDeviceName;
if (!String.IsNullOrEmpty(oclDeviceName))
{
CvInvoke.OclSetDefaultDevice(oclDeviceName);
}
long time;
using (Mat box = new Mat(Assets, "box.png"))
using (Mat boxInScene = new Mat(Assets, "box_in_scene.png"))
using (Mat result = DrawMatches.Draw(box, boxInScene, out time))
{
SetImageBitmap(result.ToBitmap(Bitmap.Config.Rgb565));
String computeDevice = CvInvoke.UseOpenCL ? "OpenCL: " + Emgu.CV.Ocl.Device.Default.Name : "CPU";
SetMessage(String.Format("Matched with '{0}' in {1} milliseconds.", computeDevice, time));
}
};
}
protected override View OnCreateDialogView()
{
LayoutInflater inflator = LayoutInflater.FromContext(this.Context);
View dialog = inflator.Inflate(Resource.Layout.opencl_preference, null);
_openCLToggleButton = dialog.FindViewById<ToggleButton>(Resource.Id.opencl_preference_toggleButton);
AppPreference preference = new AppPreference();
_openCLToggleButton.Checked = preference.UseOpenCL;
_openCLToggleButton.CheckedChange += (sender, args) =>
{
bool isChecked = args.IsChecked;
if (isChecked && !CvInvoke.HaveOpenCL)
{
_openCLToggleButton.Checked = false;
Toast.MakeText(Context, "No OpenCL compatible device found.", ToastLength.Long).Show();
isChecked = false;
}
preference.UseOpenCL = isChecked;
};
return dialog;
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
OnButtonClick += delegate
{
AppPreference appPreference = new AppPreference();
using (Image <Bgr, Byte> image = PickImage("lena.jpg"))
{
ISharedPreferences preference = PreferenceManager.GetDefaultSharedPreferences(ApplicationContext);
String appVersion = PackageManager.GetPackageInfo(PackageName, Android.Content.PM.PackageInfoFlags.Activities).VersionName;
if (!preference.Contains("cascade-data-version") || !preference.GetString("cascade-data-version", null).Equals(appVersion) ||
!(preference.Contains("cascade-eye-data-path") || preference.Contains("cascade-face-data-path")))
{
AndroidFileAsset.OverwriteMethod overwriteMethod = AndroidFileAsset.OverwriteMethod.AlwaysOverwrite;
FileInfo eyeFile = AndroidFileAsset.WritePermanantFileAsset(this, "haarcascade_eye.xml", "cascade", overwriteMethod);
FileInfo faceFile = AndroidFileAsset.WritePermanantFileAsset(this, "haarcascade_frontalface_default.xml", "cascade", overwriteMethod);
//save tesseract data path
ISharedPreferencesEditor editor = preference.Edit();
editor.PutString("cascade-data-version", appVersion);
editor.PutString("cascade-eye-data-path", eyeFile.FullName);
editor.PutString("cascade-face-data-path", faceFile.FullName);
editor.Commit();
}
string eyeXml = preference.GetString("cascade-eye-data-path", null);
string faceXml = preference.GetString("cascade-face-data-path", null);
long time;
List <Rectangle> faces = new List <Rectangle>();
List <Rectangle> eyes = new List <Rectangle>();
bool tryUseOpenCL = appPreference.UseOpenCL;
DetectFace.Detect(image.Mat, faceXml, eyeXml, faces, eyes, false, tryUseOpenCL, out time);
SetMessage(String.Format("Detected with {1} in {0} milliseconds.", time, CvInvoke.UseOpenCL ? "OpenCL" : "CPU"));
foreach (Rectangle rect in faces)
{
image.Draw(rect, new Bgr(System.Drawing.Color.Red), 2);
}
foreach (Rectangle rect in eyes)
{
image.Draw(rect, new Bgr(System.Drawing.Color.Blue), 2);
}
SetImageBitmap(image.ToBitmap());
}
};
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
OnImagePicked += (sender, image) =>
{
if (image == null)
{
return;
}
AppPreference appPreference = new AppPreference();
CvInvoke.UseOpenCL = appPreference.UseOpenCL;
String oclDeviceName = appPreference.OpenClDeviceName;
if (!String.IsNullOrEmpty(oclDeviceName) && CvInvoke.UseOpenCL)
{
CvInvoke.OclSetDefaultDevice(oclDeviceName);
}
long time;
Rectangle[] pedestrians;
using (UMat umat = image.GetUMat(AccessType.ReadWrite))
pedestrians = FindPedestrian.Find(image, out time);
String computeDevice = CvInvoke.UseOpenCL ? "OpenCL: " + Emgu.CV.Ocl.Device.Default.Name : "CPU";
SetMessage(String.Format("Detection completed with {1} in {0} milliseconds.", time, computeDevice));
foreach (Rectangle rect in pedestrians)
{
CvInvoke.Rectangle(image, rect, new Bgr(System.Drawing.Color.Red).MCvScalar, 2);
}
SetImageBitmap(image.ToBitmap());
image.Dispose();
};
OnButtonClick += (sender, args) =>
{
PickImage("pedestrian.png");
};
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
OnImagePicked += (sender, image) =>
{
if (image == null)
return;
AppPreference appPreference = new AppPreference();
CvInvoke.UseOpenCL = appPreference.UseOpenCL;
String oclDeviceName = appPreference.OpenClDeviceName;
if (!String.IsNullOrEmpty(oclDeviceName) && CvInvoke.UseOpenCL)
{
CvInvoke.OclSetDefaultDevice(oclDeviceName);
}
long time;
Rectangle[] pedestrians;
using (UMat umat = image.GetUMat(AccessType.ReadWrite))
pedestrians = FindPedestrian.Find(image, out time);
String computeDevice = CvInvoke.UseOpenCL ? "OpenCL: " + Emgu.CV.Ocl.Device.Default.Name : "CPU";
SetMessage(String.Format("Detection completed with {1} in {0} milliseconds.", time, computeDevice));
foreach (Rectangle rect in pedestrians)
{
CvInvoke.Rectangle(image, rect, new Bgr(System.Drawing.Color.Red).MCvScalar, 2);
}
SetImageBitmap(image.ToBitmap());
image.Dispose();
};
OnButtonClick += (sender, args) =>
{
PickImage("pedestrian.png");
};
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
OnImagePicked += (sender, image) =>
{
if (image == null)
{
return;
}
AppPreference appPreference = new AppPreference();
CvInvoke.UseOpenCL = appPreference.UseOpenCL;
String oclDeviceName = appPreference.OpenClDeviceName;
if (!String.IsNullOrEmpty(oclDeviceName))
{
CvInvoke.OclSetDefaultDevice(oclDeviceName);
}
ISharedPreferences preference = PreferenceManager.GetDefaultSharedPreferences(ApplicationContext);
String appVersion = PackageManager.GetPackageInfo(PackageName, Android.Content.PM.PackageInfoFlags.Activities).VersionName;
if (!preference.Contains("cascade-data-version") || !preference.GetString("cascade-data-version", null).Equals(appVersion) ||
!(preference.Contains("cascade-eye-data-path") || preference.Contains("cascade-face-data-path")))
{
AndroidFileAsset.OverwriteMethod overwriteMethod = AndroidFileAsset.OverwriteMethod.AlwaysOverwrite;
FileInfo eyeFile = AndroidFileAsset.WritePermanantFileAsset(this, "haarcascade_eye.xml", "cascade", overwriteMethod);
FileInfo faceFile = AndroidFileAsset.WritePermanantFileAsset(this, "haarcascade_frontalface_default.xml", "cascade", overwriteMethod);
//save tesseract data path
ISharedPreferencesEditor editor = preference.Edit();
editor.PutString("cascade-data-version", appVersion);
editor.PutString("cascade-eye-data-path", eyeFile.FullName);
editor.PutString("cascade-face-data-path", faceFile.FullName);
editor.Commit();
}
string eyeXml = preference.GetString("cascade-eye-data-path", null);
string faceXml = preference.GetString("cascade-face-data-path", null);
long time;
List <Rectangle> faces = new List <Rectangle>();
List <Rectangle> eyes = new List <Rectangle>();
DetectFace.Detect(image, faceXml, eyeXml, faces, eyes, out time);
String computeDevice = CvInvoke.UseOpenCL ? "OpenCL: " + Emgu.CV.Ocl.Device.Default.Name : "CPU";
SetMessage(String.Format("Detected with {1} in {0} milliseconds.", time, computeDevice));
foreach (Rectangle rect in faces)
{
CvInvoke.Rectangle(image, rect, new Bgr(System.Drawing.Color.Red).MCvScalar, 2);
}
foreach (Rectangle rect in eyes)
{
CvInvoke.Rectangle(image, rect, new Bgr(System.Drawing.Color.Blue).MCvScalar, 2);
}
SetImageBitmap(image.ToBitmap());
image.Dispose();
if (CvInvoke.UseOpenCL)
{
CvInvoke.OclFinish();
}
};
OnButtonClick += (sender, args) =>
{
PickImage("lena.jpg");
};
}
protected override View OnCreateDialogView()
{
LayoutInflater inflator = LayoutInflater.FromContext(this.Context);
View dialog = inflator.Inflate(Resource.Layout.opencl_preference, null);
_openCLRadioGroup = dialog.FindViewById <RadioGroup>(Resource.Id.opencl_preference_radio_group);
AppPreference preference = new AppPreference();
RadioButton checkedButton = null;
RadioButton cpuButton = new RadioButton(this.Context);
cpuButton.Text = "CPU (no OpenCL)";
_openCLRadioGroup.AddView(cpuButton);
//int selectedIdx = -1;
if (preference.UseOpenCL == false)
{
checkedButton = cpuButton;
}
cpuButton.Click += (sender, args) =>
{
preference.UseOpenCL = false;
//Toast.MakeText(this.Context, "cpu clicked", ToastLength.Short).Show();
};
String selectedDeviceName = preference.OpenClDeviceName;
if (selectedDeviceName == null && CvInvoke.HaveOpenCL && preference.UseOpenCL)
{
selectedDeviceName = Emgu.CV.Ocl.Device.Default.Name;
}
if (CvInvoke.HaveOpenCL)
{
using (VectorOfOclPlatformInfo oclPlatformInfos = Emgu.CV.Ocl.OclInvoke.GetPlatformsInfo())
{
if (oclPlatformInfos.Size > 0)
{
for (int i = 0; i < oclPlatformInfos.Size; i++)
{
Emgu.CV.Ocl.PlatformInfo platformInfo = oclPlatformInfos[i];
for (int j = 0; j < platformInfo.DeviceNumber; j++)
{
Emgu.CV.Ocl.Device device = platformInfo.GetDevice(j);
RadioButton deviceButton = new RadioButton(this.Context);
deviceButton.Text = "OpenCL: " + device.Name;
if (preference.UseOpenCL == true && device.Name.Equals(selectedDeviceName))
{
checkedButton = deviceButton;
}
_openCLRadioGroup.AddView(deviceButton);
//counter++;
deviceButton.Click += (sender, args) =>
{
preference.UseOpenCL = true;
preference.OpenClDeviceName = device.Name;
//Toast.MakeText(this.Context, device.Name + " clicked", ToastLength.Short).Show();
};
}
}
}
}
}
if (checkedButton != null)
{
_openCLRadioGroup.Check(checkedButton.Id);
}
//_openCLRadioGroup.in
/*
* _openCLToggleButton.Checked = preference.UseOpenCL;
*
* _openCLToggleButton.CheckedChange += (sender, args) =>
* {
* bool isChecked = args.IsChecked;
*
* if (isChecked && !CvInvoke.HaveOpenCL)
* {
* _openCLToggleButton.Checked = false;
* Toast.MakeText(Context, "No OpenCL compatible device found.", ToastLength.Long).Show();
* isChecked = false;
* }
*
* preference.UseOpenCL = isChecked;
* };
*/
return(dialog);
}
protected override View OnCreateDialogView()
{
LayoutInflater inflator = LayoutInflater.FromContext(this.Context);
View dialog = inflator.Inflate(Resource.Layout.opencl_preference, null);
_openCLRadioGroup = dialog.FindViewById<RadioGroup>(Resource.Id.opencl_preference_radio_group);
AppPreference preference = new AppPreference();
RadioButton checkedButton = null;
RadioButton cpuButton = new RadioButton(this.Context);
cpuButton.Text = "CPU";
_openCLRadioGroup.AddView(cpuButton);
//int selectedIdx = -1;
if (preference.UseOpenCL == false)
{
checkedButton = cpuButton;
}
cpuButton.Click += (sender, args) =>
{
preference.UseOpenCL = false;
//Toast.MakeText(this.Context, "cpu clicked", ToastLength.Short).Show();
};
String selectedDeviceName = preference.OpenClDeviceName;
if (selectedDeviceName == null && CvInvoke.HaveOpenCL && preference.UseOpenCL)
{
selectedDeviceName = OclDevice.Default.Name;
}
//int counter = 1;
using (VectorOfOclPlatformInfo oclPlatformInfos = OclInvoke.GetPlatformsInfo())
{
if (oclPlatformInfos.Size > 0)
{
for (int i = 0; i < oclPlatformInfos.Size; i++)
{
OclPlatformInfo platformInfo = oclPlatformInfos[i];
for (int j = 0; j < platformInfo.DeviceNumber; j++)
{
OclDevice device = platformInfo.GetDevice(j);
RadioButton deviceButton = new RadioButton(this.Context);
deviceButton.Text = "OpenCL: " + device.Name;
if (preference.UseOpenCL == true && device.Name.Equals(selectedDeviceName))
{
checkedButton = deviceButton;
}
_openCLRadioGroup.AddView(deviceButton);
//counter++;
deviceButton.Click += (sender, args) =>
{
preference.UseOpenCL = true;
preference.OpenClDeviceName = device.Name;
//Toast.MakeText(this.Context, device.Name + " clicked", ToastLength.Short).Show();
};
}
}
}
}
if (checkedButton != null)
_openCLRadioGroup.Check(checkedButton.Id);
//_openCLRadioGroup.in
/*
_openCLToggleButton.Checked = preference.UseOpenCL;
_openCLToggleButton.CheckedChange += (sender, args) =>
{
bool isChecked = args.IsChecked;
if (isChecked && !CvInvoke.HaveOpenCL)
{
_openCLToggleButton.Checked = false;
Toast.MakeText(Context, "No OpenCL compatible device found.", ToastLength.Long).Show();
isChecked = false;
}
preference.UseOpenCL = isChecked;
};
*/
return dialog;
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
OnImagePicked += (sender, image) =>
{
if (image == null)
return;
AppPreference appPreference = new AppPreference();
CvInvoke.UseOpenCL = appPreference.UseOpenCL;
String oclDeviceName = appPreference.OpenClDeviceName;
if (!String.IsNullOrEmpty(oclDeviceName))
{
CvInvoke.OclSetDefaultDevice(oclDeviceName);
}
ISharedPreferences preference = PreferenceManager.GetDefaultSharedPreferences(ApplicationContext);
String appVersion = PackageManager.GetPackageInfo(PackageName, Android.Content.PM.PackageInfoFlags.Activities).VersionName;
if (!preference.Contains("cascade-data-version") || !preference.GetString("cascade-data-version", null).Equals(appVersion)
|| !(preference.Contains("cascade-eye-data-path") || preference.Contains("cascade-face-data-path")))
{
AndroidFileAsset.OverwriteMethod overwriteMethod = AndroidFileAsset.OverwriteMethod.AlwaysOverwrite;
FileInfo eyeFile = AndroidFileAsset.WritePermanantFileAsset(this, "haarcascade_eye.xml", "cascade", overwriteMethod);
FileInfo faceFile = AndroidFileAsset.WritePermanantFileAsset(this, "haarcascade_frontalface_default.xml", "cascade", overwriteMethod);
//save tesseract data path
ISharedPreferencesEditor editor = preference.Edit();
editor.PutString("cascade-data-version", appVersion);
editor.PutString("cascade-eye-data-path", eyeFile.FullName);
editor.PutString("cascade-face-data-path", faceFile.FullName);
editor.Commit();
}
string eyeXml = preference.GetString("cascade-eye-data-path", null);
string faceXml = preference.GetString("cascade-face-data-path", null);
long time;
List<Rectangle> faces = new List<Rectangle>();
List<Rectangle> eyes = new List<Rectangle>();
DetectFace.Detect(image, faceXml, eyeXml, faces, eyes, out time);
String computeDevice = CvInvoke.UseOpenCL ? "OpenCL: " + Emgu.CV.Ocl.Device.Default.Name : "CPU";
SetMessage(String.Format("Detected with {1} in {0} milliseconds.", time, computeDevice));
foreach (Rectangle rect in faces)
CvInvoke.Rectangle(image, rect, new Bgr(System.Drawing.Color.Red).MCvScalar, 2);
foreach (Rectangle rect in eyes)
CvInvoke.Rectangle(image, rect, new Bgr(System.Drawing.Color.Blue).MCvScalar, 2);
SetImageBitmap(image.ToBitmap());
image.Dispose();
if (CvInvoke.UseOpenCL)
CvInvoke.OclFinish();
};
OnButtonClick += (sender, args) =>
{
PickImage("lena.jpg");
};
}
