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

Example 1 with Face

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

the class VideoDetect method GetResultsFaceSearchCollection.

// Gets the results of a collection face search by calling GetFaceSearch.
// The search is started by calling StartFaceSearch.
// ==================================================================
private static void GetResultsFaceSearchCollection() throws Exception {
    GetFaceSearchResult faceSearchResult = null;
    int maxResults = 10;
    String paginationToken = null;
    do {
        if (faceSearchResult != null) {
            paginationToken = faceSearchResult.getNextToken();
        }
        faceSearchResult = rek.getFaceSearch(new GetFaceSearchRequest().withJobId(startJobId).withMaxResults(maxResults).withNextToken(paginationToken).withSortBy(FaceSearchSortBy.TIMESTAMP));
        VideoMetadata videoMetaData = faceSearchResult.getVideoMetadata();
        System.out.println("Format: " + videoMetaData.getFormat());
        System.out.println("Codec: " + videoMetaData.getCodec());
        System.out.println("Duration: " + videoMetaData.getDurationMillis());
        System.out.println("FrameRate: " + videoMetaData.getFrameRate());
        System.out.println();
        // Show search results
        List<PersonMatch> matches = faceSearchResult.getPersons();
        for (PersonMatch match : matches) {
            long milliSeconds = match.getTimestamp();
            System.out.print("Timestamp: " + Long.toString(milliSeconds));
            System.out.println(" Person number: " + match.getPerson().getIndex());
            List<FaceMatch> faceMatches = match.getFaceMatches();
            if (faceMatches != null) {
                System.out.println("Matches in collection...");
                for (FaceMatch faceMatch : faceMatches) {
                    Face face = faceMatch.getFace();
                    System.out.println("Face Id: " + face.getFaceId());
                    System.out.println("Similarity: " + faceMatch.getSimilarity().toString());
                    System.out.println();
                }
            }
            System.out.println();
        }
        System.out.println();
    } while (faceSearchResult != null && faceSearchResult.getNextToken() != null);
}

Example 2 with Face

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

the class ListFacesInCollection method main.

public static void main(String[] args) throws Exception {
    AmazonRekognition rekognitionClient = AmazonRekognitionClientBuilder.defaultClient();
    ObjectMapper objectMapper = new ObjectMapper();
    ListFacesResult listFacesResult = null;
    System.out.println("Faces in collection " + collectionId);
    String paginationToken = null;
    do {
        if (listFacesResult != null) {
            paginationToken = listFacesResult.getNextToken();
        }
        ListFacesRequest listFacesRequest = new ListFacesRequest().withCollectionId(collectionId).withMaxResults(1).withNextToken(paginationToken);
        listFacesResult = rekognitionClient.listFaces(listFacesRequest);
        List<Face> faces = listFacesResult.getFaces();
        for (Face face : faces) {
            System.out.println(objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(face));
        }
    } while (listFacesResult != null && listFacesResult.getNextToken() != null);
}

Example 3 with Face

use of com.amazonaws.services.rekognition.model.Face 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;
}