public void start()
{
base.start();
Bitmap bitmap = getImageThumbnail(filePath, 960, 960);
int degree = getExifOrientation(filePath);
if (degree == 90 || degree == 180 || degree == 270)
{
Matrix matrix = new Matrix();
matrix.PostRotate(degree);
bitmap = Bitmap.CreateBitmap(bitmap, 0, 0, bitmap.Width, bitmap.Height, matrix, true);
}
// 文件转化为int[] argb
int[] argb = new int[bitmap.Width * bitmap.Height];
bitmap.GetPixels(argb, 0, bitmap.Width, 0, 0, bitmap.Width, bitmap.Height);
FaceSDKManager.getInstance().getFaceDetector().clearTrackedFaces();
ImageFrame frame = new ImageFrame();
frame.setArgb(argb);
frame.setWidth(bitmap.Width);
frame.setHeight(bitmap.Height);
foreach (OnFrameAvailableListener listener in getListeners())
{
listener.onFrameAvailable(frame);
}
FaceSDKManager.getInstance().getFaceDetector().clearTrackedFaces();
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_main);
imageMatchBtn = (Button)FindViewById(Resource.Id.image_match_image_btn);
videoMatchImageBtn = (Button)FindViewById(Resource.Id.video_match_image_btn);
videoIdentifyBtn = (Button)FindViewById(Resource.Id.video_identify_faces_btn);
userGroupManagerBtn = (Button)FindViewById(Resource.Id.user_groud_manager_btn);
livenessSettingBtn = (Button)FindViewById(Resource.Id.liveness_setting_btn);
deviceActivateBtn = (Button)FindViewById(Resource.Id.device_activate_btn);
rgbIrBtn = (Button)FindViewById(Resource.Id.rgb_ir_btn);
btAttrTrack = (Button)FindViewById(Resource.Id.bt_attr_track);
btMultiThread = (Button)FindViewById(Resource.Id.bt_multiThread);
featureSettingBtn = (Button)FindViewById(Resource.Id.feature_setting_btn);
imageMatchBtn.SetOnClickListener(this);
videoMatchImageBtn.SetOnClickListener(this);
videoIdentifyBtn.SetOnClickListener(this);
userGroupManagerBtn.SetOnClickListener(this);
livenessSettingBtn.SetOnClickListener(this);
deviceActivateBtn.SetOnClickListener(this);
deviceActivateBtn.SetOnClickListener(this);
rgbIrBtn.SetOnClickListener(this);
btAttrTrack.SetOnClickListener(this);
btMultiThread.SetOnClickListener(this);
featureSettingBtn.SetOnClickListener(this);
PreferencesUtil.initPrefs(this);
// 使用人脸1：n时使用
DBManager.getInstance().init(this);
livnessTypeTip();
// FaceEnvironment faceEnvironment = new FaceEnvironment();
// // 模糊度范围 (0-1) 推荐小于0.7
// faceEnvironment.setBlurrinessThreshold(FaceEnvironment.VALUE_BLURNESS);
// // 光照范围 (0-1) 推荐大于40
// faceEnvironment.setIlluminationThreshold(FaceEnvironment.VALUE_BLURNESS);
// // 人脸yaw,pitch,row 角度，范围（-45，45），推荐-15-15
// faceEnvironment.setPitch(FaceEnvironment.VALUE_HEAD_PITCH);
// faceEnvironment.setRoll(FaceEnvironment.VALUE_HEAD_ROLL);
// faceEnvironment.setYaw(FaceEnvironment.VALUE_HEAD_YAW);
// // 最小检测人脸（在图片人脸能够被检测到最小值）80-200， 越小越耗性能，推荐120-200
// faceEnvironment.setMinFaceSize(FaceEnvironment.VALUE_MIN_FACE_SIZE);
// // 人脸置信度（0-1）推荐大于0.6
// faceEnvironment.setNotFaceThreshold(FaceEnvironment.VALUE_NOT_FACE_THRESHOLD);
// // 人脸遮挡范围 （0-1） 推荐小于0.5
// faceEnvironment.setOcclulationThreshold(FaceEnvironment.VALUE_OCCLUSION);
// // 是否进行质量检测,开启会降低性能
// faceEnvironment.setCheckQuality(false);
// FaceSDKManager.getInstance().getFaceDetector().setFaceEnvironment(faceEnvironment);
FaceSDKManager.init(this);
FaceSDKManager.getInstance().setSdkInitListener(new SdkInitListener());
}
private static void process(int[] argb, int width, int height, ArgbPool pool)
{
// if (skip) {
// skip = !skip;
// return;
// } else {
// skip = !skip;
// }
int value = 0;
ImageFrame frame = ImageSource.borrowImageFrame();
frame.setArgb(argb);
frame.setWidth(width);
frame.setHeight(height);
frame.setPool(pool);
// frame.retain();
foreach (FaceProcessor processor in preProcessors)
{
if (processor.process(face, frame))
{
break;
}
}
if (UseDetect)
{
long starttime = DateTime.Now.Millisecond;
value = FaceSDKManager.getInstance().getFaceDetector().detect(frame);
// FaceSDKManager.getInstance().getFaceDetector().detectMultiFace(frame,5);
FaceInfo[] faces = FaceSDKManager.getInstance().getFaceDetector().TrackedFaces;
if (faces != null)
{
Log.Error("faceMulti", faces.Length + "");
}
Log.Error("wtf", value + " process->" + (DateTime.Now.Millisecond - starttime));
if (value == 0)
{
faceFilter.filter(faces, frame);
}
if (Listener != null)
{
Listener.onDetectFace(value, faces, frame);
}
}
frame.release();
}
private void init()
{
Intent intent = getIntent();
if (intent != null)
{
groupId = intent.GetStringExtra("group_id");
}
faceDetectManager = new FaceDetectManager(this);
// 从系统相机获取图片帧。
CameraImageSource cameraImageSource = new CameraImageSource(this);
// 图片越小检测速度越快，闸机场景640 * 480 可以满足需求。实际预览值可能和该值不同。和相机所支持的预览尺寸有关。
// 可以通过 camera.getParameters().getSupportedPreviewSizes()查看支持列表。
cameraImageSource.getCameraControl().setPreferredPreviewSize(1280, 720);
// cameraImageSource.getCameraControl().setPreferredPreviewSize(640, 480);
// 设置最小人脸，该值越小，检测距离越远，该值越大，检测性能越好。范围为80-200
FaceSDKManager.getInstance().getFaceDetector().MinFaceSize = (100);
// FaceSDKManager.getInstance().getFaceDetector().setNumberOfThreads(4);
// 设置预览
cameraImageSource.setPreviewView(previewView);
// 设置图片源
faceDetectManager.setImageSource(cameraImageSource);
// 设置人脸过滤角度，角度越小，人脸越正，比对时分数越高
faceDetectManager.getFaceFilter().setAngle(20);
textureView.SetOpaque(false);
// 不需要屏幕自动变黑。
textureView.setKeepScreenOn(true);
bool isPortrait = Resources.Configuration.Orientation == Android.Content.Res.Orientation.Portrait;
if (isPortrait)
{
previewView.setScaleType(ScaleType.FIT_WIDTH);
// 相机坚屏模式
cameraImageSource.getCameraControl().setDisplayOrientation(CameraView.ORIENTATION_PORTRAIT);
}
else
{
previewView.setScaleType(ScaleType.FIT_HEIGHT);
// 相机横屏模式
cameraImageSource.getCameraControl().setDisplayOrientation(CameraView.ORIENTATION_HORIZONTAL);
}
setCameraType(cameraImageSource);
}
public void setUseDetect(bool useDetect)
{
UseDetect = useDetect;
// 传给facesdk的图片高宽不同，将不能正确检出人脸，需要clear前面的trackedFaces
FaceSDKManager.getInstance().getFaceDetector().clearTrackedFaces();
}
public override void OnClick(View v)
{
if (v == deviceActivateBtn)
{
if (ActivityCompat.CheckSelfPermission(this, Manifest.Permission.WriteExternalStorage) != Permission.Granted)
{
ActivityCompat.RequestPermissions(this, new String[] { Manifest.Permission.WriteExternalStorage }, 100);
return;
}
FaceSDKManager.showActivation();
return;
}
if (FaceSDKManager.getInstance().InitStatus() == FaceSDKManager.SDK_UNACTIVATION)
{
toast("SDK还未激活，请先激活");
return;
}
else if (FaceSDKManager.getInstance().InitStatus() == FaceSDKManager.SDK_UNINIT)
{
toast("SDK还未初始化完成，请先初始化");
return;
}
else if (FaceSDKManager.getInstance().InitStatus() == FaceSDKManager.SDK_INITING)
{
toast("SDK正在初始化，请稍后再试");
return;
}
if (v == imageMatchBtn)
{
Intent intent = new Intent(this, typeof(ImageMacthImageActivity));
StartActivity(intent);
}
else if (v == videoMatchImageBtn)
{
if (ActivityCompat.CheckSelfPermission(this, Manifest.Permission.Camera) != Permission.Granted)
{
ActivityCompat.RequestPermissions(this, new String[] { Manifest.Permission.Camera }, 100);
return;
}
choiceMatchType();
}
else if (v == videoIdentifyBtn)
{
if (ActivityCompat.CheckSelfPermission(this, Manifest.Permission.Camera) != Permission.Granted)
{
ActivityCompat.RequestPermissions(this, new String[] { Manifest.Permission.Camera }, 100);
return;
}
showSingleAlertDialog();
}
else if (v == userGroupManagerBtn)
{
Intent intent = new Intent(this, typeof(UserGroupManagerActivity));
StartActivity(intent);
}
else if (v == livenessSettingBtn)
{
Intent intent = new Intent(this, typeof(LivenessSettingActivity));
StartActivity(intent);
}
else if (v == rgbIrBtn)
{
Intent intent = new Intent(this, typeof(QuestiongActivity));
StartActivity(intent);
}
else if (v == btAttrTrack)
{
if (ActivityCompat.CheckSelfPermission(this, Manifest.Permission.Camera) != Permission.Granted)
{
ActivityCompat.RequestPermissions(this, new String[] { Manifest.Permission.Camera }, 100);
return;
}
choiceAttrTrackType();
}
else if (v == btMultiThread)
{
Intent intent = new Intent(this, typeof(MultiThreadActivity));
StartActivity(intent);
// // 测试
// MultiThreadManager.getInstance().start(this);
}
else if (v == featureSettingBtn)
{
Intent intent = new Intent(this, typeof(FeatureSettingActivity));
StartActivity(intent);
}
}