Examples with Vision com.google.api.services.vision.v1.Vision used on opensource projects

Example 1 with Vision

use of com.google.api.services.vision.v1.Vision in project java-docs-samples by GoogleCloudPlatform.

the class FaceDetectApp method main.

// [START main]
/**
 * Annotates an image using the Vision API.
 */
public static void main(String[] args) throws IOException, GeneralSecurityException {
    if (args.length != 2) {
        System.err.println("Usage:");
        System.err.printf("\tjava %s inputImagePath outputImagePath\n", FaceDetectApp.class.getCanonicalName());
        System.exit(1);
    }
    Path inputPath = Paths.get(args[0]);
    Path outputPath = Paths.get(args[1]);
    if (!outputPath.toString().toLowerCase().endsWith(".jpg")) {
        System.err.println("outputImagePath must have the file extension 'jpg'.");
        System.exit(1);
    }
    FaceDetectApp app = new FaceDetectApp(getVisionService());
    List<FaceAnnotation> faces = app.detectFaces(inputPath, MAX_RESULTS);
    System.out.printf("Found %d face%s\n", faces.size(), faces.size() == 1 ? "" : "s");
    System.out.printf("Writing to file %s\n", outputPath);
    app.writeWithFaces(inputPath, outputPath, faces);
}

Example 2 with Vision

use of com.google.api.services.vision.v1.Vision in project java-docs-samples by GoogleCloudPlatform.

the class DetectLandmark method identifyLandmark.

/**
 * Gets up to {@code maxResults} landmarks for an image stored at {@code uri}.
 */
public List<EntityAnnotation> identifyLandmark(String uri, int maxResults) throws IOException {
    AnnotateImageRequest request = new AnnotateImageRequest().setImage(new Image().setSource(new ImageSource().setGcsImageUri(uri))).setFeatures(ImmutableList.of(new Feature().setType("LANDMARK_DETECTION").setMaxResults(maxResults)));
    Vision.Images.Annotate annotate = vision.images().annotate(new BatchAnnotateImagesRequest().setRequests(ImmutableList.of(request)));
    // Due to a bug: requests to Vision API containing large images fail when GZipped.
    annotate.setDisableGZipContent(true);
    BatchAnnotateImagesResponse batchResponse = annotate.execute();
    assert batchResponse.getResponses().size() == 1;
    AnnotateImageResponse response = batchResponse.getResponses().get(0);
    if (response.getLandmarkAnnotations() == null) {
        throw new IOException(response.getError() != null ? response.getError().getMessage() : "Unknown error getting image annotations");
    }
    return response.getLandmarkAnnotations();
}

Example 3 with Vision

use of com.google.api.services.vision.v1.Vision in project java-docs-samples by GoogleCloudPlatform.

the class TextApp method detectText.

/**
 * Gets up to {@code maxResults} text annotations for images stored at {@code paths}.
 */
public ImmutableList<ImageText> detectText(List<Path> paths) {
    ImmutableList.Builder<AnnotateImageRequest> requests = ImmutableList.builder();
    try {
        for (Path path : paths) {
            byte[] data;
            data = Files.readAllBytes(path);
            requests.add(new AnnotateImageRequest().setImage(new Image().encodeContent(data)).setFeatures(ImmutableList.of(new Feature().setType("TEXT_DETECTION").setMaxResults(MAX_RESULTS))));
        }
        Vision.Images.Annotate annotate = vision.images().annotate(new BatchAnnotateImagesRequest().setRequests(requests.build()));
        // Due to a bug: requests to Vision API containing large images fail when GZipped.
        annotate.setDisableGZipContent(true);
        BatchAnnotateImagesResponse batchResponse = annotate.execute();
        assert batchResponse.getResponses().size() == paths.size();
        ImmutableList.Builder<ImageText> output = ImmutableList.builder();
        for (int i = 0; i < paths.size(); i++) {
            Path path = paths.get(i);
            AnnotateImageResponse response = batchResponse.getResponses().get(i);
            output.add(ImageText.builder().path(path).textAnnotations(MoreObjects.firstNonNull(response.getTextAnnotations(), ImmutableList.<EntityAnnotation>of())).error(response.getError()).build());
        }
        return output.build();
    } catch (IOException ex) {
        // Got an exception, which means the whole batch had an error.
        ImmutableList.Builder<ImageText> output = ImmutableList.builder();
        for (Path path : paths) {
            output.add(ImageText.builder().path(path).textAnnotations(ImmutableList.<EntityAnnotation>of()).error(new Status().setMessage(ex.getMessage())).build());
        }
        return output.build();
    }
}

Example 4 with Vision

use of com.google.api.services.vision.v1.Vision in project java-docs-samples by GoogleCloudPlatform.

the class TextAppTest method setUp.

@Before
public void setUp() throws Exception {
    // Mock out the vision service for unit tests.
    JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
    HttpTransport transport = new MockHttpTransport() {

        @Override
        public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
            return new MockLowLevelHttpRequest() {

                @Override
                public LowLevelHttpResponse execute() throws IOException {
                    MockLowLevelHttpResponse response = new MockLowLevelHttpResponse();
                    response.setStatusCode(200);
                    response.setContentType(Json.MEDIA_TYPE);
                    response.setContent("{\"responses\": [{\"textAnnotations\": []}]}");
                    return response;
                }
            };
        }
    };
    Vision vision = new Vision(transport, jsonFactory, null);
    appUnderTest = new TextApp(vision, null);
}

Example 5 with Vision

use of com.google.api.services.vision.v1.Vision in project java-docs-samples by GoogleCloudPlatform.

the class FaceDetectApp method detectFaces.

// [START detect_face]
/**
 * Gets up to {@code maxResults} faces for an image stored at {@code path}.
 */
public List<FaceAnnotation> detectFaces(Path path, int maxResults) throws IOException {
    byte[] data = Files.readAllBytes(path);
    AnnotateImageRequest request = new AnnotateImageRequest().setImage(new Image().encodeContent(data)).setFeatures(ImmutableList.of(new Feature().setType("FACE_DETECTION").setMaxResults(maxResults)));
    Vision.Images.Annotate annotate = vision.images().annotate(new BatchAnnotateImagesRequest().setRequests(ImmutableList.of(request)));
    // Due to a bug: requests to Vision API containing large images fail when GZipped.
    annotate.setDisableGZipContent(true);
    BatchAnnotateImagesResponse batchResponse = annotate.execute();
    assert batchResponse.getResponses().size() == 1;
    AnnotateImageResponse response = batchResponse.getResponses().get(0);
    if (response.getFaceAnnotations() == null) {
        throw new IOException(response.getError() != null ? response.getError().getMessage() : "Unknown error getting image annotations");
    }
    return response.getFaceAnnotations();
}