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author | Eino-Ville Talvala <etalvala@google.com> | 2012-09-15 14:30:12 -0700 |
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committer | Eino-Ville Talvala <etalvala@google.com> | 2012-09-15 14:32:14 -0700 |
commit | 8df3b2b3989df44953153603681e03140fd853d6 (patch) | |
tree | f753cb1da59ae74c4dc343c70014213c2883063d | |
parent | d0c6ccbafdebc73d03cf3cd47f02f9f6c78a69ff (diff) | |
download | frameworks_base-8df3b2b3989df44953153603681e03140fd853d6.zip frameworks_base-8df3b2b3989df44953153603681e03140fd853d6.tar.gz frameworks_base-8df3b2b3989df44953153603681e03140fd853d6.tar.bz2 |
Camera: Document face detection confidence recommendations.
Bug: 7108023
Change-Id: I9de583254d127f9c1f702b7ed159a7080bcbfd25
-rw-r--r-- | core/java/android/hardware/Camera.java | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/core/java/android/hardware/Camera.java b/core/java/android/hardware/Camera.java index bc10e03..7b3a8af 100644 --- a/core/java/android/hardware/Camera.java +++ b/core/java/android/hardware/Camera.java @@ -1332,8 +1332,14 @@ public class Camera { public Rect rect; /** - * The confidence level for the detection of the face. The range is 1 to 100. 100 is the - * highest confidence. + * <p>The confidence level for the detection of the face. The range is 1 to + * 100. 100 is the highest confidence.</p> + * + * <p>Depending on the device, even very low-confidence faces may be + * listed, so applications should filter out faces with low confidence, + * depending on the use case. For a typical point-and-shoot camera + * application that wishes to display rectangles around detected faces, + * filtering out faces with confidence less than 50 is recommended.</p> * * @see #startFaceDetection() */ |