{"id":307,"date":"2023-01-28T01:17:04","date_gmt":"2022-12-19T05:11:16","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%ae%89%e5%8d%93%e4%ba%ba%e8%84%b8%e6%a3%80%e6%b5%8b\/"},"modified":"2025-08-01T20:30:27","modified_gmt":"2025-08-01T12:30:27","slug":"%e5%ae%89%e5%8d%93%e4%ba%ba%e8%84%b8%e6%a3%80%e6%b5%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%ae%89%e5%8d%93%e4%ba%ba%e8%84%b8%e6%a3%80%e6%b5%8b\/","title":{"rendered":"\u5b89\u5353\u4eba\u8138\u68c0\u6d4b\u6280\u672f\u8be6\u89e3\uff1a2023\u5e74\u6700\u65b0\u5b9e\u73b0\u65b9\u6cd5\u4e0e\u5e94\u7528\u6848\u4f8b"},"content":{"rendered":"

\u968f\u7740Google Play\u670d\u52a17.8\u7684\u53d1\u5e03\uff0cGoogle\u5f15\u5165\u4e86\u79fb\u52a8\u89c6\u89c9API\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4eba\u8138\u68c0\u6d4b\u3001\u6761\u5f62\u7801\u68c0\u6d4b\u548c\u6587\u672c\u68c0\u6d4b\u3002\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u5f00\u53d1\u4e00\u4e2a\u5b89\u5353\u4eba\u8138\u68c0\u6d4b\u5e94\u7528\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u5728\u56fe\u50cf\u4e2d\u68c0\u6d4b\u51fa\u4eba\u8138\u3002<\/p>\n

Android\u4eba\u8138\u8bc6\u522b<\/h3>\n

Android\u4eba\u8138\u8bc6\u522bAPI\u901a\u8fc7\u4f7f\u7528\u773c\u775b\u3001\u9f3b\u5b50\u3001\u8033\u6735\u3001\u8138\u988a\u548c\u5634\u5df4\u7b49\u4e00\u4e9b\u7279\u5f81\u70b9\u6765\u8ddf\u8e2a\u7167\u7247\u548c\u89c6\u9891\u4e2d\u7684\u4eba\u8138\u3002\u4e0e\u68c0\u6d4b\u5355\u4e2a\u7279\u5f81\u4e0d\u540c\uff0cAPI\u4f1a\u4e00\u6b21\u6027\u68c0\u6d4b\u6574\u5f20\u4eba\u8138\uff0c\u7136\u540e\u518d\u68c0\u6d4b\u7279\u5f81\u70b9\u548c\u5206\u7c7b\uff08\u5982\u679c\u5b9a\u4e49\u4e86\uff09\u3002\u6b64\u5916\uff0c\u8be5API\u8fd8\u53ef\u4ee5\u68c0\u6d4b\u5404\u79cd\u89d2\u5ea6\u7684\u4eba\u8138\u3002<\/p>\n

Android\u4eba\u8138\u68c0\u6d4b – \u7279\u5f81\u70b9\u8bc6\u522b<\/h3>\n

\u7279\u5f81\u70b9\u662f\u9762\u90e8\u4e2d\u7684\u4e00\u4e2a\u5177\u6709\u4ee3\u8868\u6027\u7684\u70b9\u3002\u5de6\u773c\u3001\u53f3\u773c\u548c\u9f3b\u5b50\u5e95\u90e8\u90fd\u662f\u7279\u5f81\u70b9\u7684\u4f8b\u5b50\u3002\u4ee5\u4e0b\u662f\u76ee\u524d\u53ef\u4ee5\u901a\u8fc7API\u627e\u5230\u7684\u7279\u5f81\u70b9\uff1a<\/p>\n

    \n
  1. \u5de6\u773c\u548c\u53f3\u773c<\/li>\n
  2. \u5de6\u8033\u548c\u53f3\u8033<\/li>\n
  3. \u5de6\u8033\u5c16\u548c\u53f3\u8033\u5c16<\/li>\n
  4. \u9f3b\u5b50\u7684\u5e95\u90e8<\/li>\n
  5. \u5de6\u8138\u988a\u548c\u53f3\u8138\u988a<\/li>\n
  6. \u5634\u89d2\u7684\u5de6\u8fb9\u548c\u53f3\u8fb9<\/li>\n
  7. \u53e3\u8154\u7684\u5e95\u90e8<\/li>\n<\/ol>\n

    \u5f53\u4f7f\u7528”\u5de6”\u548c”\u53f3”\u65f6\uff0c\u5b83\u4eec\u662f\u76f8\u5bf9\u4e8e\u5bf9\u8c61\u7684\u3002\u4f8b\u5982\uff0cLEFT_EYE\u7279\u5f81\u70b9\u662f\u5bf9\u8c61\u7684\u5de6\u773c\uff0c\u800c\u4e0d\u662f\u5728\u67e5\u770b\u56fe\u50cf\u65f6\u4f4d\u4e8e\u5de6\u8fb9\u7684\u773c\u775b\u3002<\/p>\n

    \u5206\u7c7b<\/h3>\n

    \u5206\u7c7b\u786e\u5b9a\u67d0\u79cd\u9762\u90e8\u7279\u5f81\u662f\u5426\u5b58\u5728\u3002Android Face API\u76ee\u524d\u652f\u6301\u4e24\u79cd\u5206\u7c7b\uff1a<\/p>\n

      \n
    • \u773c\u775b\u7741\u5f00\uff1a\u4f7f\u7528getIsLeftEyeOpenProbability()\u548cgetIsRightEyeOpenProbability()\u65b9\u6cd5<\/li>\n
    • \u5fae\u7b11\uff1a\u4f7f\u7528getIsSmilingProbability()\u65b9\u6cd5<\/li>\n<\/ul>\n

      \u8138\u90e8\u671d\u5411<\/h3>\n

      \u8138\u90e8\u7684\u5b9a\u4f4d\u662f\u4f7f\u7528\u6b27\u62c9\u89d2\u6765\u786e\u5b9a\u7684\u3002\u8fd9\u4e9b\u6b27\u62c9\u89d2\u6307\u7684\u662f\u8138\u90e8\u56f4\u7ed5X\u8f74\u3001Y\u8f74\u548cZ\u8f74\u65cb\u8f6c\u7684\u89d2\u5ea6\u3002\u6b27\u62c9\u89d2Y\u544a\u8bc9\u6211\u4eec\u8138\u90e8\u662f\u671d\u5de6\u8fd8\u662f\u671d\u53f3\u770b\u3002<\/p>\n

        \n
      • \u6b27\u62c9\u89d2Z\u544a\u8bc9\u6211\u4eec\u8138\u90e8\u662f\u5426\u65cb\u8f6c\/\u503e\u659c<\/li>\n
      • \u6b27\u62c9\u89d2X\u544a\u8bc9\u6211\u4eec\u8138\u90e8\u662f\u671d\u4e0a\u770b\u8fd8\u662f\u671d\u4e0b\u770b\uff08\u76ee\u524d\u4e0d\u652f\u6301\uff09<\/li>\n<\/ul>\n

        \u6ce8\u610f\uff1a\u5982\u679c\u65e0\u6cd5\u8ba1\u7b97\u6982\u7387\uff0c\u5219\u5c06\u5176\u8bbe\u7f6e\u4e3a-1\u3002\u8ba9\u6211\u4eec\u5f00\u59cb\u672c\u6559\u7a0b\u7684\u5b9e\u8df5\u90e8\u5206\u3002\u6211\u4eec\u7684\u5e94\u7528\u7a0b\u5e8f\u5c06\u5305\u542b\u4e00\u4e9b\u793a\u4f8b\u56fe\u50cf\u4ee5\u53ca\u6355\u83b7\u81ea\u5df1\u56fe\u50cf\u7684\u529f\u80fd\u3002\u6ce8\u610f\uff1a\u8be5API\u4ec5\u652f\u6301\u4eba\u8138\u68c0\u6d4b\u3002\u5f53\u524d\u7248\u672c\u7684\u79fb\u52a8\u89c6\u89c9API\u4e0d\u63d0\u4f9b\u4eba\u8138\u8bc6\u522b\u529f\u80fd\u3002<\/p>\n

        Android\u4eba\u8138\u68c0\u6d4b\u793a\u4f8b\u9879\u76ee\u7684\u7ed3\u6784<\/h3>\n
        \n \"android\n<\/div>\n

        \u5b89\u5353\u4eba\u8138\u68c0\u6d4b\u4ee3\u7801<\/h3>\n

        \u5728\u4f60\u7684\u5e94\u7528\u7684build.gradle\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4f9d\u8d56\uff1a<\/p>\n

        compile 'com.google.android.gms:play-services-vision:11.0.4'\r\n<\/code><\/pre>\n
        \u8bf7\u6309\u7167\u4e0b\u9762\u6240\u793a\uff0c\u5728AndroidManifest.xml\u6587\u4ef6\u7684application\u6807\u7b7e\u5185\u6dfb\u52a0\u4ee5\u4e0b\u5143\u6570\u636e\uff1a<\/p>\n
        <meta-data\r\n            android:name=\"com.google.android.gms.vision.DEPENDENCIES\"\r\n            android:value=\"face\"\/>\r\n<\/code><\/pre>\n
        \u8fd9\u6837\uff0cVision\u5e93\u5c31\u80fd\u77e5\u9053\u4f60\u6253\u7b97\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u68c0\u6d4b\u4eba\u8138\u3002\u5728AndroidManifest.xml\u6587\u4ef6\u7684manifest\u6807\u7b7e\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u6743\u9650\u6765\u83b7\u53d6\u76f8\u673a\u6743\u9650\uff1a<\/p>\n
        <uses-feature\r\n        android:name=\"android.hardware.camera\"\r\n        android:required=\"true\"\/>\r\n    <uses-permission\r\n        android:name=\"android.permission.WRITE_EXTERNAL_STORAGE\"\/>\r\n<\/code><\/pre>\n
        \u4e0b\u9762\u63d0\u4f9b\u4e86activity_main.xml\u5e03\u5c40\u6587\u4ef6\u7684\u4ee3\u7801\u3002<\/p>\n
        \u8fd9\u662f\u6587\u7ae0\u300a\u5b89\u5353\u4eba\u8138\u68c0\u6d4b\u300b\u7684\u7b2c2\u90e8\u5206\uff08\u51714\u90e8\u5206\uff09\u3002<\/p>\n
        <?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n\r\n<ScrollView xmlns:android=\"https:\/\/schemas.android.com\/apk\/res\/android\"\r\n    xmlns:app=\"https:\/\/schemas.android.com\/apk\/res-auto\"\r\n    xmlns:tools=\"https:\/\/schemas.android.com\/tools\"\r\n    android:layout_width=\"match_parent\"\r\n    android:layout_height=\"match_parent\">\r\n\r\n    <android.support.constraint.ConstraintLayout xmlns:app=\"https:\/\/schemas.android.com\/apk\/res-auto\"\r\n        xmlns:tools=\"https:\/\/schemas.android.com\/tools\"\r\n        android:layout_width=\"match_parent\"\r\n        android:layout_height=\"wrap_content\"\r\n        tools:context=\"com.Olivia.facedetectionapi.MainActivity\">\r\n\r\n        <ImageView\r\n            android:id=\"@+id\/imageView\"\r\n            android:layout_width=\"300dp\"\r\n            android:layout_height=\"300dp\"\r\n            android:layout_marginTop=\"8dp\"\r\n            android:src=\"@drawable\/sample_1\"\r\n            app:layout_constraintLeft_toLeftOf=\"parent\"\r\n            app:layout_constraintRight_toRightOf=\"parent\"\r\n            app:layout_constraintTop_toTopOf=\"parent\" \/>\r\n\r\n        <Button\r\n            android:id=\"@+id\/btnProcessNext\"\r\n            android:layout_width=\"wrap_content\"\r\n            android:layout_height=\"wrap_content\"\r\n            android:layout_marginTop=\"8dp\"\r\n            android:text=\"\u5904\u7406\u4e0b\u4e00\u5f20\"\r\n            app:layout_constraintHorizontal_bias=\"0.501\"\r\n            app:layout_constraintLeft_toLeftOf=\"parent\"\r\n            app:layout_constraintRight_toRightOf=\"parent\"\r\n            app:layout_constraintTop_toBottomOf=\"@+id\/imageView\" \/>\r\n\r\n        <ImageView\r\n            android:id=\"@+id\/imgTakePic\"\r\n            android:layout_width=\"250dp\"\r\n            android:layout_height=\"250dp\"\r\n            android:layout_marginTop=\"8dp\"\r\n            app:layout_constraintLeft_toLeftOf=\"parent\"\r\n            app:layout_constraintRight_toRightOf=\"parent\"\r\n            app:layout_constraintTop_toBottomOf=\"@+id\/txtSampleDescription\"\r\n            app:srcCompat=\"@android:drawable\/ic_menu_camera\" \/>\r\n\r\n        <Button\r\n            android:id=\"@+id\/btnTakePicture\"\r\n            android:layout_width=\"wrap_content\"\r\n            android:layout_height=\"wrap_content\"\r\n            android:layout_marginTop=\"8dp\"\r\n            android:text=\"\u62cd\u7167\"\r\n            app:layout_constraintLeft_toLeftOf=\"parent\"\r\n            app:layout_constraintRight_toRightOf=\"parent\"\r\n            app:layout_constraintTop_toBottomOf=\"@+id\/imgTakePic\" \/>\r\n\r\n        <TextView\r\n            android:id=\"@+id\/txtSampleDescription\"\r\n            android:layout_width=\"match_parent\"\r\n            android:layout_height=\"wrap_content\"\r\n            android:layout_marginBottom=\"8dp\"\r\n            android:layout_marginTop=\"8dp\"\r\n            android:gravity=\"center\"\r\n            app:layout_constraintBottom_toTopOf=\"@+id\/txtTakePicture\"\r\n            app:layout_constraintLeft_toLeftOf=\"parent\"\r\n            app:layout_constraintRight_toRightOf=\"parent\"\r\n            app:layout_constraintTop_toBottomOf=\"@+id\/btnProcessNext\"\r\n            app:layout_constraintVertical_bias=\"0.0\" \/>\r\n\r\n        <TextView\r\n            android:id=\"@+id\/txtTakePicture\"\r\n            android:layout_width=\"wrap_content\"\r\n            android:layout_height=\"wrap_content\"\r\n            android:layout_marginTop=\"8dp\"\r\n            android:gravity=\"center\"\r\n            app:layout_constraintLeft_toLeftOf=\"parent\"\r\n            app:layout_constraintRight_toRightOf=\"parent\"\r\n            app:layout_constraintTop_toBottomOf=\"@+id\/btnTakePicture\" \/>\r\n\r\n    <\/android.support.constraint.ConstraintLayout>\r\n\r\n<\/ScrollView>\r\n<\/code><\/pre>\n
        \u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2aImageView\u3001TextView\u548cButton\u7ec4\u4ef6\u3002\u5176\u4e2d\u4e00\u4e2a\u7528\u4e8e\u5faa\u73af\u904d\u5386\u793a\u4f8b\u56fe\u7247\u5e76\u663e\u793a\u4eba\u8138\u68c0\u6d4b\u7ed3\u679c\uff0c\u53e6\u4e00\u4e2a\u7528\u4e8e\u4ece\u76f8\u673a\u6355\u83b7\u56fe\u7247\u8fdb\u884c\u5b9e\u65f6\u4eba\u8138\u68c0\u6d4b\u3002\u4e0b\u9762\u662fMainActivity.java\u6587\u4ef6\u7684\u4ee3\u7801\u5b9e\u73b0\u3002<\/p>\n
        package com.Olivia.facedetectionapi;\r\n\r\nimport android.Manifest;\r\nimport android.content.Context;\r\nimport android.content.Intent;\r\nimport android.content.pm.PackageManager;\r\nimport android.graphics.Bitmap;\r\nimport android.graphics.BitmapFactory;\r\nimport android.graphics.Canvas;\r\nimport android.graphics.Color;\r\nimport android.graphics.Paint;\r\nimport android.net.Uri;\r\nimport android.os.Environment;\r\nimport android.provider.MediaStore;\r\nimport android.support.annotation.NonNull;\r\nimport android.support.v4.app.ActivityCompat;\r\nimport android.support.v7.app.AppCompatActivity;\r\nimport android.os.Bundle;\r\nimport android.util.SparseArray;\r\nimport android.view.View;\r\nimport android.widget.Button;\r\nimport android.widget.ImageView;\r\nimport android.widget.TextView;\r\nimport android.widget.Toast;\r\n\r\nimport com.google.android.gms.vision.Frame;\r\nimport com.google.android.gms.vision.face.Face;\r\nimport com.google.android.gms.vision.face.FaceDetector;\r\nimport com.google.android.gms.vision.face.Landmark;\r\n\r\nimport java.io.File;\r\nimport java.io.FileNotFoundException;\r\n\r\npublic class MainActivity extends AppCompatActivity implements View.OnClickListener {\r\n\r\n    ImageView imageView, imgTakePicture;\r\n    Button btnProcessNext, btnTakePicture;\r\n    TextView txtSampleDesc, txtTakenPicDesc;\r\n    private FaceDetector detector;\r\n    Bitmap editedBitmap;\r\n    int currentIndex = 0;\r\n    int[] imageArray;\r\n    private Uri imageUri;\r\n    private static final int REQUEST_WRITE_PERMISSION = 200;\r\n    private static final int CAMERA_REQUEST = 101;\r\n\r\n    private static final String SAVED_INSTANCE_URI = \"uri\";\r\n    private static final String SAVED_INSTANCE_BITMAP = \"bitmap\";\r\n\r\n    @Override\r\n    protected void onCreate(Bundle savedInstanceState) {\r\n        super.onCreate(savedInstanceState);\r\n        setContentView(R.layout.activity_main);\r\n\r\n        imageArray = new int[]{R.drawable.sample_1, R.drawable.sample_2, R.drawable.sample_3};\r\n        detector = new FaceDetector.Builder(getApplicationContext())\r\n                .setTrackingEnabled(false)\r\n                .setLandmarkType(FaceDetector.ALL_CLASSIFICATIONS)\r\n                .setClassificationType(FaceDetector.ALL_CLASSIFICATIONS)\r\n                .build();\r\n\r\n        initViews();\r\n\r\n    }\r\n\r\n    private void initViews() {\r\n        imageView = (ImageView) findViewById(R.id.imageView);\r\n        imgTakePicture = (ImageView) findViewById(R.id.imgTakePic);\r\n        btnProcessNext = (Button) findViewById(R.id.btnProcessNext);\r\n        btnTakePicture = (Button) findViewById(R.id.btnTakePicture);\r\n        txtSampleDesc = (TextView) findViewById(R.id.txtSampleDescription);\r\n        txtTakenPicDesc = (TextView) findViewById(R.id.txtTakePicture);\r\n\r\n        processImage(imageArray[currentIndex]);\r\n        currentIndex++;\r\n\r\n        btnProcessNext.setOnClickListener(this);\r\n        btnTakePicture.setOnClickListener(this);\r\n        imgTakePicture.setOnClickListener(this);\r\n    }\r\n\r\n    @Override\r\n    public void onClick(View v) {\r\n        switch (v.getId()) {\r\n            case R.id.btnProcessNext:\r\n                imageView.setImageResource(imageArray[currentIndex]);\r\n                processImage(imageArray[currentIndex]);\r\n                if (currentIndex == imageArray.length - 1)\r\n                    currentIndex = 0;\r\n                else\r\n                    currentIndex++;\r\n\r\n                break;\r\n\r\n            case R.id.btnTakePicture:\r\n                ActivityCompat.requestPermissions(MainActivity.this, new\r\n                        String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, REQUEST_WRITE_PERMISSION);\r\n                break;\r\n\r\n            case R.id.imgTakePic:\r\n                ActivityCompat.requestPermissions(MainActivity.this, new\r\n                        String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, REQUEST_WRITE_PERMISSION);\r\n                break;\r\n        }\r\n    }\r\n\r\n    @Override\r\n    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {\r\n        super.onRequestPermissionsResult(requestCode, permissions, grantResults);\r\n        switch (requestCode) {\r\n            case REQUEST_WRITE_PERMISSION:\r\n                if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {\r\n                    startCamera();\r\n                } else {\r\n                    Toast.makeText(getApplicationContext(), \"Permission Denied!\", Toast.LENGTH_SHORT).show();\r\n                }\r\n        }\r\n    }\r\n\r\n    @Override\r\n    protected void onActivityResult(int requestCode, int resultCode, Intent data) {\r\n        if (requestCode == CAMERA_REQUEST && resultCode == RESULT_OK) {\r\n            launchMediaScanIntent();\r\n            try {\r\n                processCameraPicture();\r\n            } catch (Exception e) {\r\n                Toast.makeText(getApplicationContext(), \"Failed to load Image\", Toast.LENGTH_SHORT).show();\r\n            }\r\n        }\r\n    }\r\n\r\n    private void launchMediaScanIntent() {\r\n        Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);\r\n        mediaScanIntent.setData(imageUri);\r\n        this.sendBroadcast(mediaScanIntent);\r\n    }\r\n\r\n    private void startCamera() {\r\n        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);\r\n        File photo = new File(Environment.getExternalStorageDirectory(), \"photo.jpg\");\r\n        imageUri = Uri.fromFile(photo);\r\n        intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);\r\n        startActivityForResult(intent, CAMERA_REQUEST);\r\n    }\r\n\r\n    @Override\r\n    protected void onSaveInstanceState(Bundle outState) {\r\n        if (imageUri != null) {\r\n            outState.putParcelable(SAVED_INSTANCE_BITMAP, editedBitmap);\r\n            outState.putString(SAVED_INSTANCE_URI, imageUri.toString());\r\n        }\r\n        super.onSaveInstanceState(outState);\r\n    }\r\n\r\n\r\n    private void processImage(int image) {\r\n\r\n        Bitmap bitmap = decodeBitmapImage(image);\r\n        if (detector.isOperational() && bitmap != null) {\r\n            editedBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap\r\n                    .getHeight(), bitmap.getConfig());\r\n            float scale = getResources().getDisplayMetrics().density;\r\n            Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);\r\n            paint.setColor(Color.GREEN);\r\n            paint.setTextSize((int) (16 * scale));\r\n            paint.setShadowLayer(1f, 0f, 1f, Color.WHITE);\r\n            paint.setStyle(Paint.Style.STROKE);\r\n            paint.setStrokeWidth(6f);\r\n            Canvas canvas = new Canvas(editedBitmap);\r\n            canvas.drawBitmap(bitmap, 0, 0, paint);\r\n            Frame frame = new Frame.Builder().setBitmap(editedBitmap).build();\r\n            SparseArray<Face> faces = detector.detect(frame);\r\n            txtSampleDesc.setText(null);\r\n\r\n            for (int index = 0; index < faces.size(); ++index) {\r\n                Face face = faces.valueAt(index);\r\n                canvas.drawRect(\r\n                        face.getPosition().x,\r\n                        face.getPosition().y,\r\n                        face.getPosition().x + face.getWidth(),\r\n                        face.getPosition().y + face.getHeight(), paint);\r\n\r\n\r\n                canvas.drawText(\"Face \" + (index + 1), face.getPosition().x + face.getWidth(), face.getPosition().y + face.getHeight(), paint);\r\n\r\n                txtSampleDesc.setText(txtSampleDesc.getText() + \"FACE \" + (index + 1) + \"\\n\");\r\n                txtSampleDesc.setText(txtSampleDesc.getText() + \"Smile probability:\" + \" \" + face.getIsSmilingProbability() + \"\\n\");\r\n                txtSampleDesc.setText(txtSampleDesc.getText() + \"Left Eye Is Open Probability: \" + \" \" + face.getIsLeftEyeOpenProbability() + \"\\n\");\r\n                txtSampleDesc.setText(txtSampleDesc.getText() + \"Right Eye Is Open Probability: \" + \" \" + face.getIsRightEyeOpenProbability() + \"\\n\\n\");\r\n\r\n                for (Landmark landmark : face.getLandmarks()) {\r\n                    int cx = (int) (landmark.getPosition().x);\r\n                    int cy = (int) (landmark.getPosition().y);\r\n                    canvas.drawCircle(cx, cy, 8, paint);\r\n                }\r\n\r\n\r\n            }\r\n\r\n            if (faces.size() == 0) {\r\n                txtSampleDesc.setText(\"Scan Failed: Found nothing to scan\");\r\n            } else {\r\n                imageView.setImageBitmap(editedBitmap);\r\n                txtSampleDesc.setText(txtSampleDesc.getText() + \"No of Faces Detected: \" + \" \" + String.valueOf(faces.size()));\r\n            }\r\n        } else {\r\n            txtSampleDesc.setText(\"Could not set up the detector!\");\r\n        }\r\n    }\r\n\r\n    private Bitmap decodeBitmapImage(int image) {\r\n        int targetW = 300;\r\n        int targetH = 300;\r\n        BitmapFactory.Options bmOptions = new BitmapFactory.Options();\r\n        bmOptions.inJustDecodeBounds = true;\r\n\r\n        BitmapFactory.decodeResource(getResources(), image,\r\n                bmOptions);\r\n\r\n        int photoW = bmOptions.outWidth;\r\n        int photoH = bmOptions.outHeight;\r\n\r\n        int scaleFactor = Math.min(photoW \/ targetW, photoH \/ targetH);\r\n        bmOptions.inJustDecodeBounds = false;\r\n        bmOptions.inSampleSize = scaleFactor;\r\n\r\n        return BitmapFactory.decodeResource(getResources(), image,\r\n                bmOptions);\r\n    }\r\n\r\n    private void processCameraPicture() throws Exception {\r\n        Bitmap bitmap = decodeBitmapUri(this, imageUri);\r\n        if (detector.isOperational() && bitmap != null) {\r\n            editedBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap\r\n                    .getHeight(), bitmap.getConfig());\r\n            float scale = getResources().getDisplayMetrics().density;\r\n            Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);\r\n            paint.setColor(Color.GREEN);\r\n            paint.setTextSize((int) (16 * scale));\r\n            paint.setShadowLayer(1f, 0f, 1f, Color.WHITE);\r\n            paint.setStyle(Paint.Style.STROKE);\r\n            paint.setStrokeWidth(6f);\r\n            Canvas canvas = new Canvas(editedBitmap);\r\n            canvas.drawBitmap(bitmap, 0, 0, paint);\r\n            Frame frame = new Frame.Builder().setBitmap(editedBitmap).build();\r\n            SparseArray<Face> faces = detector.detect(frame);\r\n            txtTakenPicDesc.setText(null);\r\n\r\n            for (int index = 0; index < faces.size(); ++index) {\r\n                Face face = faces.valueAt(index);\r\n                canvas.drawRect(\r\n                        face.getPosition().x,\r\n                        face.getPosition().y,\r\n                        face.getPosition().x + face.getWidth(),\r\n                        face.getPosition().y + face.getHeight(), paint);\r\n\r\n\r\n                canvas.drawText(\"Face \" + (index + 1), face.getPosition().x + face.getWidth(), face.getPosition().y + face.getHeight(), paint);\r\n\r\n                txtTakenPicDesc.setText(\"FACE \" + (index + 1) + \"\\n\");\r\n                txtTakenPicDesc.setText(txtTakenPicDesc.getText() + \"Smile probability:\" + \" \" + face.getIsSmilingProbability() + \"\\n\");\r\n                txtTakenPicDesc.setText(txtTakenPicDesc.getText() + \"Left Eye Is Open Probability: \" + \" \" + face.getIsLeftEyeOpenProbability() + \"\\n\");\r\n                txtTakenPicDesc.setText(txtTakenPicDesc.getText() + \"Right Eye Is Open Probability: \" + \" \" + face.getIsRightEyeOpenProbability() + \"\\n\\n\");\r\n\r\n                for (Landmark landmark : face.getLandmarks()) {\r\n                    int cx = (int) (landmark.getPosition().x);\r\n                    int cy = (int) (landmark.getPosition().y);\r\n                    canvas.drawCircle(cx, cy, 8, paint);\r\n                }\r\n\r\n\r\n            }\r\n\r\n            if (faces.size() == 0) {\r\n                txtTakenPicDesc.setText(\"Scan Failed: Found nothing to scan\");\r\n            } else {\r\n                imgTakePicture.setImageBitmap(editedBitmap);\r\n                txtTakenPicDesc.setText(txtTakenPicDesc.getText() + \"No of Faces Detected: \" + \" \" + String.valueOf(faces.size()));\r\n            }\r\n        } else {\r\n            txtTakenPicDesc.setText(\"Could not set up the detector!\");\r\n        }\r\n    }\r\n\r\n    private Bitmap decodeBitmapUri(Context ctx, Uri uri) throws FileNotFoundException {\r\n        int targetW = 300;\r\n        int targetH = 300;\r\n        BitmapFactory.Options bmOptions = new BitmapFactory.Options();\r\n        bmOptions.inJustDecodeBounds = true;\r\n        BitmapFactory.decodeStream(ctx.getContentResolver().openInputStream(uri), null, bmOptions);\r\n        int photoW = bmOptions.outWidth;\r\n        int photoH = bmOptions.outHeight;\r\n\r\n        int scaleFactor = Math.min(photoW \/ targetW, photoH \/ targetH);\r\n        bmOptions.inJustDecodeBounds = false;\r\n        bmOptions.inSampleSize = scaleFactor;\r\n\r\n        return BitmapFactory.decodeStream(ctx.getContentResolver()\r\n                .openInputStream(uri), null, bmOptions);\r\n    }\r\n\r\n\r\n    @Override\r\n    protected void onDestroy() {\r\n        super.onDestroy();\r\n        detector.release();\r\n    }\r\n}\r\n\r\n<\/code><\/pre>\n
        \u4ece\u4e0a\u8ff0\u4ee3\u7801\u4e2d\u5f97\u51fa\u7684\u4e00\u4e9b\u63a8\u8bba\u662f\uff1a<\/p>\n
          \n
        • imageArray\u5b58\u50a8\u4e86\u793a\u4f8b\u56fe\u50cf\uff0c\u5f53\u70b9\u51fb”\u5904\u7406\u4e0b\u4e00\u5f20”\u6309\u94ae\u65f6\uff0c\u8fd9\u4e9b\u56fe\u50cf\u5c06\u88ab\u626b\u63cf\u4ee5\u68c0\u6d4b\u4eba\u8138\u3002<\/li>\n
        • \u68c0\u6d4b\u5668\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u7247\u6bb5\u5b9e\u4f8b\u5316\uff1a\n
          FaceDetector detector = new FaceDetector.Builder( getContext() )\r\n        .setTrackingEnabled(false)\r\n        .setLandmarkType(FaceDetector.ALL_LANDMARKS)\r\n        .setMode(FaceDetector.FAST_MODE)\r\n        .build();<\/pre>\n
          \u7279\u5f81\u70b9\u4f1a\u589e\u52a0\u8ba1\u7b97\u65f6\u95f4\uff0c\u56e0\u6b64\u9700\u8981\u660e\u786e\u8bbe\u7f6e\u3002\u4eba\u8138\u68c0\u6d4b\u5668\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u8bbe\u7f6e\u4e3aFAST_MODE\uff08\u5feb\u901f\u6a21\u5f0f\uff09\u6216ACCURATE_MODE\uff08\u7cbe\u786e\u6a21\u5f0f\uff09\u3002\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5c06\u8ddf\u8e2a\u8bbe\u7f6e\u4e3afalse\uff0c\u56e0\u4e3a\u6211\u4eec\u5904\u7406\u7684\u662f\u9759\u6001\u56fe\u50cf\u3002\u5bf9\u4e8e\u89c6\u9891\u4e2d\u7684\u4eba\u8138\u68c0\u6d4b\uff0c\u53ef\u4ee5\u5c06\u5176\u8bbe\u7f6e\u4e3atrue\u3002<\/li>\n
        • processImage()\u548cprocessCameraPicture()\u65b9\u6cd5\u5305\u542b\u4e86\u6211\u4eec\u5b9e\u9645\u68c0\u6d4b\u4eba\u8138\u5e76\u5728\u5176\u4e0a\u7ed8\u5236\u77e9\u5f62\u7684\u4ee3\u7801\u3002<\/li>\n
        • detector.isOperational()\u7528\u4e8e\u68c0\u67e5\u624b\u673a\u4e2d\u7684\u5f53\u524dGoogle Play\u670d\u52a1\u5e93\u662f\u5426\u652f\u6301\u89c6\u89c9API\uff08\u5982\u679c\u4e0d\u652f\u6301\uff0cGoogle Play\u4f1a\u4e0b\u8f7d\u6240\u9700\u7684\u672c\u673a\u5e93\u4ee5\u63d0\u4f9b\u652f\u6301\uff09\u3002<\/li>\n
        • \u5b9e\u9645\u6267\u884c\u4eba\u8138\u68c0\u6d4b\u5de5\u4f5c\u7684\u4ee3\u7801\u7247\u6bb5\u662f\uff1a\n
          Frame frame = new Frame.Builder().setBitmap(editedBitmap).build();\r\nSparseArray faces = detector.detect(frame);<\/pre>\n<\/li>\n
        • \u68c0\u6d4b\u5230\u4eba\u8138\u540e\uff0c\u6211\u4eec\u904d\u5386faces\u6570\u7ec4\u4ee5\u627e\u5230\u6bcf\u5f20\u4eba\u8138\u7684\u4f4d\u7f6e\u548c\u5c5e\u6027\u3002<\/li>\n
        • \u6bcf\u5f20\u4eba\u8138\u7684\u5c5e\u6027\u4f1a\u9644\u52a0\u5728\u6309\u94ae\u4e0b\u65b9\u7684TextView\u4e2d\u3002<\/li>\n
        • \u5f53\u901a\u8fc7\u76f8\u673a\u6355\u83b7\u56fe\u50cf\u65f6\uff0c\u5de5\u4f5c\u65b9\u5f0f\u76f8\u540c\uff0c\u53ea\u662f\u6211\u4eec\u9700\u8981\u5728\u8fd0\u884c\u65f6\u8bf7\u6c42\u76f8\u673a\u6743\u9650\uff0c\u5e76\u4fdd\u5b58\u76f8\u673a\u5e94\u7528\u7a0b\u5e8f\u8fd4\u56de\u7684uri\u548cbitmap\u3002<\/li>\n<\/ul>\n
          \"android<\/div>\n","protected":false},"excerpt":{"rendered":"
          \u968f\u7740Google Play\u670d\u52a17.8\u7684\u53d1\u5e03\uff0cGoogle\u5f15\u5165\u4e86\u79fb\u52a8\u89c6\u89c9API\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4eba\u8138\u68c0\u6d4b\u3001\u6761\u5f62\u7801\u68c0\u6d4b\u548c\u6587 […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1074,1072,1038,1065,1073],"class_list":["post-307","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-ai","tag-1072","tag-1038","tag-1065","tag-1073"],"yoast_head":"\n\u5b89\u5353\u4eba\u8138\u68c0\u6d4b\u6280\u672f\u8be6\u89e3\uff1a2023\u5e74\u6700\u65b0\u5b9e\u73b0\u65b9\u6cd5\u4e0e\u5e94\u7528\u6848\u4f8b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5168\u9762\u89e3\u67902023\u5e74\u5b89\u5353\u5e73\u53f0\u4e0a\u4eba\u8138\u68c0\u6d4b\u6280\u672f\u7684\u5b9e\u73b0\u65b9\u6cd5\u3002\u672c\u6307\u5357\u6db5\u76d6\u4ece\u57fa\u7840\u6982\u5ff5\u5230\u9ad8\u7ea7\u5e94\u7528\uff0c\u5305\u62ecOpenCV\u3001ML Kit\u7b49\u4e3b\u6d41\u5de5\u5177\u7684\u4f7f\u7528\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u8f7b\u677e\u638c\u63e1\u5b89\u5353\u4eba\u8138\u68c0\u6d4b\u6280\u672f\uff0c\u6784\u5efa\u667a\u80fd\u5e94\u7528\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5b89\u5353\u4eba\u8138\u68c0\u6d4b\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5b89\u5353\u4eba\u8138\u68c0\u6d4b\u6280\u672f\u8be6\u89e3\uff1a2023\u5e74\u6700\u65b0\u5b9e\u73b0\u65b9\u6cd5\u4e0e\u5e94\u7528\u6848\u4f8b\" \/>\n<meta property=\"og:description\" content=\"\u5168\u9762\u89e3\u67902023\u5e74\u5b89\u5353\u5e73\u53f0\u4e0a\u4eba\u8138\u68c0\u6d4b\u6280\u672f\u7684\u5b9e\u73b0\u65b9\u6cd5\u3002\u672c\u6307\u5357\u6db5\u76d6\u4ece\u57fa\u7840\u6982\u5ff5\u5230\u9ad8\u7ea7\u5e94\u7528\uff0c\u5305\u62ecOpenCV\u3001ML Kit\u7b49\u4e3b\u6d41\u5de5\u5177\u7684\u4f7f\u7528\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u8f7b\u677e\u638c\u63e1\u5b89\u5353\u4eba\u8138\u68c0\u6d4b\u6280\u672f\uff0c\u6784\u5efa\u667a\u80fd\u5e94\u7528\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5b89\u5353\u4eba\u8138\u68c0\u6d4b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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