Examples with SearchFacesByImageRequest com.amazonaws.services.rekognition.model.SearchFacesByImageRequest used on opensource projects

Example 1 with SearchFacesByImageRequest

use of com.amazonaws.services.rekognition.model.SearchFacesByImageRequest in project aws-doc-sdk-examples by awsdocs.

the class SearchFaceMatchingImageCollection method main.

public static void main(String[] args) throws Exception {
    AmazonRekognition rekognitionClient = AmazonRekognitionClientBuilder.defaultClient();
    ObjectMapper objectMapper = new ObjectMapper();
    // Get an image object from S3 bucket.
    Image image = new Image().withS3Object(new S3Object().withBucket(bucket).withName(photo));
    // Search collection for faces similar to the largest face in the image.
    SearchFacesByImageRequest searchFacesByImageRequest = new SearchFacesByImageRequest().withCollectionId(collectionId).withImage(image).withFaceMatchThreshold(70F).withMaxFaces(2);
    SearchFacesByImageResult searchFacesByImageResult = rekognitionClient.searchFacesByImage(searchFacesByImageRequest);
    System.out.println("Faces matching largest face in image from" + photo);
    List<FaceMatch> faceImageMatches = searchFacesByImageResult.getFaceMatches();
    for (FaceMatch face : faceImageMatches) {
        System.out.println(objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(face));
        System.out.println();
    }
}

Example 2 with SearchFacesByImageRequest

use of com.amazonaws.services.rekognition.model.SearchFacesByImageRequest in project amplify-android by aws-amplify.

the class AWSRekognitionService method detectEntityMatches.

private List<EntityMatch> detectEntityMatches(ByteBuffer imageData, int maxEntities, String collectionId) throws PredictionsException {
    SearchFacesByImageRequest request = new SearchFacesByImageRequest().withImage(new Image().withBytes(imageData)).withMaxFaces(maxEntities).withCollectionId(collectionId);
    // Detect entities in the given image by matching against a collection of images
    final SearchFacesByImageResult result;
    try {
        result = rekognition.searchFacesByImage(request);
    } catch (AmazonClientException serviceException) {
        throw new PredictionsException("Amazon Rekognition encountered an error while searching for known faces.", serviceException, "See attached service exception for more details.");
    }
    List<EntityMatch> matches = new ArrayList<>();
    for (FaceMatch rekognitionMatch : result.getFaceMatches()) {
        Face face = rekognitionMatch.getFace();
        RectF box = RekognitionResultTransformers.fromBoundingBox(face.getBoundingBox());
        EntityMatch amplifyMatch = EntityMatch.builder().externalImageId(face.getExternalImageId()).confidence(rekognitionMatch.getSimilarity()).box(box).build();
        matches.add(amplifyMatch);
    }
    return matches;
}