public static void Example()

in code_examples/dotnet_examples/image/net-compare-faces.cs [11:76]
57 lines of code
4 McCabe index (conditional complexity)

    public static void Example()
    {
        float similarityThreshold = 70F;
        String sourceImage = "source.jpg";
        String targetImage = "target.jpg";

        AmazonRekognitionClient rekognitionClient = new AmazonRekognitionClient();

        Amazon.Rekognition.Model.Image imageSource = new Amazon.Rekognition.Model.Image();
        try
        {
            using (FileStream fs = new FileStream(sourceImage, FileMode.Open, FileAccess.Read))
            {
                byte[] data = new byte[fs.Length];
                fs.Read(data, 0, (int)fs.Length);
                imageSource.Bytes = new MemoryStream(data);
            }
        }
        catch (Exception)
        {
            Console.WriteLine("Failed to load source image: " + sourceImage);
            return;
        }

        Amazon.Rekognition.Model.Image imageTarget = new Amazon.Rekognition.Model.Image();
        try
        {
            using (FileStream fs = new FileStream(targetImage, FileMode.Open, FileAccess.Read))
            {
                byte[] data = new byte[fs.Length];
                data = new byte[fs.Length];
                fs.Read(data, 0, (int)fs.Length);
                imageTarget.Bytes = new MemoryStream(data);
            }
        }
        catch (Exception)
        {
            Console.WriteLine("Failed to load target image: " + targetImage);
            return;
        }

        CompareFacesRequest compareFacesRequest = new CompareFacesRequest()
        {
            SourceImage = imageSource,
            TargetImage = imageTarget,
            SimilarityThreshold = similarityThreshold
        };

        // Call operation
        CompareFacesResponse compareFacesResponse = rekognitionClient.CompareFaces(compareFacesRequest);

        // Display results
        foreach(CompareFacesMatch match in compareFacesResponse.FaceMatches)
        {
            ComparedFace face = match.Face;
            BoundingBox position = face.BoundingBox;
            Console.WriteLine("Face at " + position.Left
                  + " " + position.Top
                  + " matches with " + face.Confidence
                  + "% confidence.");
        }

        Console.WriteLine("There was " + compareFacesResponse.UnmatchedFaces.Count + " face(s) that did not match");
        Console.WriteLine("Source image rotation: " + compareFacesResponse.SourceImageOrientationCorrection);
        Console.WriteLine("Target image rotation: " + compareFacesResponse.TargetImageOrientationCorrection);
    }