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authorEino-Ville Talvala <etalvala@google.com>2012-09-15 14:30:12 -0700
committerEino-Ville Talvala <etalvala@google.com>2012-09-15 14:32:14 -0700
commit8df3b2b3989df44953153603681e03140fd853d6 (patch)
treef753cb1da59ae74c4dc343c70014213c2883063d /core/java/android/hardware/Camera.java
parentd0c6ccbafdebc73d03cf3cd47f02f9f6c78a69ff (diff)
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Camera: Document face detection confidence recommendations.
Bug: 7108023 Change-Id: I9de583254d127f9c1f702b7ed159a7080bcbfd25
Diffstat (limited to 'core/java/android/hardware/Camera.java')
-rw-r--r--core/java/android/hardware/Camera.java10
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()
*/