FirebaseVisionFaceDetector
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Inherited Method Summary
From class java.lang.Object
Object
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clone()
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boolean |
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void |
finalize()
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final Class<?>
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getClass()
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int |
hashCode()
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final void |
notify()
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final void |
notifyAll()
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String
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toString()
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wait(long arg0, int arg1)
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wait(long arg0)
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final void |
wait()
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From interface java.io.Closeable
From interface java.lang.AutoCloseable
Public Methods
Detects human faces from the supplied image.
For best efficiency, create a
FirebaseVisionImage
object using one of the following ways:
All other
FirebaseVisionImage
factory methods will work as well, but possibly slightly
slower.
Note that the width of the provided image cannot be less than 32 if
ALL_CONTOURS
is specified.
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Last updated 2020-08-14 UTC.
[null,null,["Last updated 2020-08-14 UTC."],[],[],null,["public class **FirebaseVisionFaceDetector** extends [Object](//developer.android.com/reference/java/lang/Object.html) \nimplements [Closeable](//developer.android.com/reference/java/io/Closeable.html) [Closeable](//developer.android.com/reference/java/io/Closeable.html) \n**This class is deprecated.** \n\nThe standalone ML Kit SDK replaces this API. For more information, refer to the [migration guide](//developers.google.com/ml-kit/migration).\n\nDetector for finding [FirebaseVisionFace](/docs/reference/android/com/google/firebase/ml/vision/face/FirebaseVisionFace)s\nin a supplied image.\n\nA face detector is created via [getVisionFaceDetector(FirebaseVisionFaceDetectorOptions)](/docs/reference/android/com/google/firebase/ml/vision/FirebaseVision#getVisionFaceDetector(com.google.firebase.ml.vision.face.FirebaseVisionFaceDetectorOptions)) or [getVisionFaceDetector()](/docs/reference/android/com/google/firebase/ml/vision/FirebaseVision#getVisionFaceDetector()), if you wish to use the default options. For example, the\ncode below creates a face detector with default options. \n\n FirebaseVisionFaceDetector faceDetector =\n FirebaseVision.getInstance().getVisionFaceDetector();\n \nTo perform face detection in an image, you first need to create an instance of [FirebaseVisionImage](/docs/reference/android/com/google/firebase/ml/vision/common/FirebaseVisionImage) from a [Bitmap](//developer.android.com/reference/android/graphics/Bitmap.html), [ByteBuffer](//developer.android.com/reference/java/nio/ByteBuffer.html), etc. See [FirebaseVisionImage](/docs/reference/android/com/google/firebase/ml/vision/common/FirebaseVisionImage) documentation for more details. For example, the code below creates a [FirebaseVisionImage](/docs/reference/android/com/google/firebase/ml/vision/common/FirebaseVisionImage) from a [Bitmap](//developer.android.com/reference/android/graphics/Bitmap.html). \n\n FirebaseVisionImage image = FirebaseVisionImage.fromBitmap(bitmap);\n\nThen the code below can detect faces in the supplied [FirebaseVisionImage](/docs/reference/android/com/google/firebase/ml/vision/common/FirebaseVisionImage). \n\n\n Task\u003cList\u003cFirebaseVisionFace\u003e\u003e task = faceDetector.detectInImage(image);\n task.addOnSuccessListener(...).addOnFailureListener(...);\n \nPublic Method Summary\n\nInherited Method Summary \nFrom class java.lang.Object \n\nFrom interface java.io.Closeable \n\nFrom interface java.lang.AutoCloseable \n\nPublic Methods \n\npublic void **close** () \nCloses this [FirebaseVisionFaceDetector](/docs/reference/android/com/google/firebase/ml/vision/face/FirebaseVisionFaceDetector) and releases its model resources. \n\nThrows\n\npublic [Task](//developers.google.com/android/reference/com/google/android/gms/tasks/Task.html)\\\u003c[List](//developer.android.com/reference/java/util/List.html)\\\u003c[FirebaseVisionFace](/docs/reference/android/com/google/firebase/ml/vision/face/FirebaseVisionFace)\\\u003e\\\u003e\n**detectInImage** ([FirebaseVisionImage](/docs/reference/android/com/google/firebase/ml/vision/common/FirebaseVisionImage) image) \nDetects human faces from the supplied image.\n\nFor best efficiency, create a [FirebaseVisionImage](/docs/reference/android/com/google/firebase/ml/vision/common/FirebaseVisionImage) object using one of the following ways:\n\n- [fromMediaImage(Image, int)](/docs/reference/android/com/google/firebase/ml/vision/common/FirebaseVisionImage#fromMediaImage(android.media.Image, int)) with a [YUV_420_888](//developer.android.com/reference/android/graphics/ImageFormat.html#YUV_420_888) formatted image from [android.hardware.camera2](/docs/reference/android/reference/android/hardware/camera2/package-summary).\n- [fromByteArray(byte[], FirebaseVisionImageMetadata)](/docs/reference/android/com/google/firebase/ml/vision/common/FirebaseVisionImage#fromByteArray(byte[], com.google.firebase.ml.vision.common.FirebaseVisionImageMetadata)) with a [NV21](//developer.android.com/reference/android/graphics/ImageFormat.html#NV21) formatted image from [Camera](//developer.android.com/reference/android/hardware/Camera.html) (deprecated).\n- [fromByteBuffer(ByteBuffer, FirebaseVisionImageMetadata)](/docs/reference/android/com/google/firebase/ml/vision/common/FirebaseVisionImage#fromByteBuffer(java.nio.ByteBuffer, com.google.firebase.ml.vision.common.FirebaseVisionImageMetadata)) if you need to pre-process the image. E.g. allocate a direct [ByteBuffer](//developer.android.com/reference/java/nio/ByteBuffer.html) and write processed pixels into the [ByteBuffer](//developer.android.com/reference/java/nio/ByteBuffer.html).\n\nAll other [FirebaseVisionImage](/docs/reference/android/com/google/firebase/ml/vision/common/FirebaseVisionImage) factory methods will work as well, but possibly slightly slower.\n\nNote that the width of the provided image cannot be less than 32 if [ALL_CONTOURS](/docs/reference/android/com/google/firebase/ml/vision/face/FirebaseVisionFaceDetectorOptions#ALL_CONTOURS) is specified. \n\nReturns\n\n- A [Task](//developers.google.com/android/reference/com/google/android/gms/tasks/Task.html) that asynchronously returns a [List](//developer.android.com/reference/java/util/List.html) of detected [FirebaseVisionFace](/docs/reference/android/com/google/firebase/ml/vision/face/FirebaseVisionFace)s."]]