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[mob] Method for detecting sideways faces

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laurenspriem 2024-04-19 14:00:15 +05:30
parent a9ca8a4a24
commit 2b88daa15f
2 changed files with 31 additions and 0 deletions
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25
mobile/lib/face/model/detection.dart
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@ -129,4 +129,29 @@ class Detection {
return FaceDirection.straight;
}
bool faceIsSideways() {
final leftEye = [landmarks[0].x, landmarks[0].y];
final rightEye = [landmarks[1].x, landmarks[1].y];
final nose = [landmarks[2].x, landmarks[2].y];
final leftMouth = [landmarks[3].x, landmarks[3].y];
final rightMouth = [landmarks[4].x, landmarks[4].y];
final double eyeDistanceX = (rightEye[0] - leftEye[0]).abs();
final double eyeDistanceY = (rightEye[1] - leftEye[1]).abs();
final double mouthDistanceY = (rightMouth[1] - leftMouth[1]).abs();
final bool faceIsUpright =
(max(leftEye[1], rightEye[1]) + 0.5 * eyeDistanceY < nose[1]) &&
(nose[1] + 0.5 * mouthDistanceY < min(leftMouth[1], rightMouth[1]));
final bool noseStickingOutLeft =
(nose[0] < min(leftEye[0], rightEye[0]) - 0.5 * eyeDistanceX) &&
(nose[0] < min(leftMouth[0], rightMouth[0]));
final bool noseStickingOutRight =
(nose[0] > max(leftEye[0], rightEye[0]) - 0.5 * eyeDistanceX) &&
(nose[0] > max(leftMouth[0], rightMouth[0]));
return faceIsUpright && (noseStickingOutLeft || noseStickingOutRight);
}
}

6
mobile/lib/ui/viewer/file_details/face_widget.dart
View file

@ -175,6 +175,12 @@ class _FaceWidgetState extends State<FaceWidget> {
style: Theme.of(context).textTheme.bodySmall,
maxLines: 1,
),
if (kDebugMode)
Text(
'Sideways: ${widget.face.detection.faceIsSideways().toString()}',
style: Theme.of(context).textTheme.bodySmall,
maxLines: 1,
),
if (kDebugMode)
Text(
'V: ${widget.face.visibility}',