Beispiel #1
0
        public static BitmapSource DrawFaces(BitmapSource baseImage, FaceAPI.Face[] faces, ObservableCollection <Microsoft.ProjectOxford.Face.Controls.Face> targetFaces, EmotionScores[] emotionScores, string[] celebName, List <PersonData> personData, DataTable dataTable, ImageWall imageWall)
        {
            if (faces == null)
            {
                return(baseImage);
            }

            Action <DrawingContext, BitmapSource, double> drawAction = (drawingContext, oriImage, annotationScale) =>
            {
                for (int i = 0; i < faces.Length; i++)
                {
                    if (targetFaces[i].PersonName == "Unknown")
                    {
                        continue;
                    }
                    var face = faces[i];
                    imageWall.colorful[imageWall.id.IndexOf(targetFaces[i].FaceId)] = true;
                    if (face.FaceRectangle == null)
                    {
                        continue;
                    }

                    PersonData pD = new PersonData();
                    try {
                        pD = personData.Find(x => x.ID == targetFaces[i].FaceId);
                        pD.Times++;
                    } catch (Exception) {
                        personData.Find(x => x.ID == targetFaces[i].FaceId);
                    }


                    Rect faceRect = new Rect(
                        face.FaceRectangle.Left, face.FaceRectangle.Top,
                        face.FaceRectangle.Width, face.FaceRectangle.Height);
                    Int32Rect faceRectInt32 = new Int32Rect(
                        face.FaceRectangle.Left, face.FaceRectangle.Top,
                        face.FaceRectangle.Width, face.FaceRectangle.Height);
                    string text = "";

                    drawingContext.DrawImage(new CroppedBitmap(oriImage, faceRectInt32), faceRect);

                    if (face.FaceAttributes != null)
                    {
                        text += Aggregation.SummarizeFaceAttributes(face.FaceAttributes, targetFaces[i].PersonName, pD);
                    }

                    if (emotionScores?[i] != null)
                    {
                        text += Aggregation.SummarizeEmotion(emotionScores[i]);
                    }

                    if (celebName?[i] != null)
                    {
                        text += celebName[i];
                    }

                    faceRect.Inflate(6 * annotationScale, 6 * annotationScale);

                    double lineThickness = 4 * annotationScale;

                    drawingContext.DrawRectangle(
                        Brushes.Transparent,
                        new Pen(s_lineBrush, lineThickness),
                        faceRect);

                    if (text != "")
                    {
                        FormattedText ft = new FormattedText(text,
                                                             CultureInfo.CurrentCulture, FlowDirection.LeftToRight, s_typeface,
                                                             16 * annotationScale, Brushes.Black);

                        var pad = 3 * annotationScale;

                        var ypad   = pad;
                        var xpad   = pad + 4 * annotationScale;
                        var origin = new System.Windows.Point(
                            faceRect.Left + xpad - lineThickness / 2,
                            faceRect.Top - ft.Height - ypad + lineThickness / 2);
                        var rect = ft.BuildHighlightGeometry(origin).GetRenderBounds(null);
                        rect.Inflate(xpad, ypad);

                        drawingContext.DrawRectangle(s_lineBrush, null, rect);
                        drawingContext.DrawText(ft, origin);
                    }
                }
                dataTable.dataGrid.ItemsSource = personData;
                imageWall.UpdateCanvas();
            };

            return(DrawOverlay(baseImage, drawAction));
        }
Beispiel #2
0
        public static string SummarizeFaceAttributes(FaceAttributes attr, string personName, PersonData personData)
        {
            List <string> attrs = new List <string>();

            //if (attr.Gender != null) attrs.Add(attr.Gender);
            //if (attr.Age > 0) attrs.Add(attr.Age.ToString());
            //if (attr.HeadPose != null)
            //{
            //    // Simple rule to estimate whether person is facing camera.
            //    bool facing = Math.Abs(attr.HeadPose.Yaw) < 25;
            //    attrs.Add(facing ? "facing camera" : "not facing camera");
            //}
            attrs.Add(personName);
            if (personName != "Unknown")
            {
                attrs.Add(personData.Times.ToString());
            }
            return(string.Join(", ", attrs));
        }