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Example 6 with NormalizedVertex

use of com.google.cloud.videointelligence.v1.NormalizedVertex in project java-video-intelligence by googleapis.

the class TextDetection method detectText.

// [START video_detect_text]
/**
 * Detect text in a video.
 *
 * @param filePath the path to the video file to analyze.
 */
public static VideoAnnotationResults detectText(String filePath) throws Exception {
    try (VideoIntelligenceServiceClient client = VideoIntelligenceServiceClient.create()) {
        // Read file
        Path path = Paths.get(filePath);
        byte[] data = Files.readAllBytes(path);
        // Create the request
        AnnotateVideoRequest request = AnnotateVideoRequest.newBuilder().setInputContent(ByteString.copyFrom(data)).addFeatures(Feature.TEXT_DETECTION).build();
        // asynchronously perform object tracking on videos
        OperationFuture<AnnotateVideoResponse, AnnotateVideoProgress> future = client.annotateVideoAsync(request);
        System.out.println("Waiting for operation to complete...");
        // The first result is retrieved because a single video was processed.
        AnnotateVideoResponse response = future.get(300, TimeUnit.SECONDS);
        VideoAnnotationResults results = response.getAnnotationResults(0);
        // Get only the first annotation for demo purposes.
        TextAnnotation annotation = results.getTextAnnotations(0);
        System.out.println("Text: " + annotation.getText());
        // Get the first text segment.
        TextSegment textSegment = annotation.getSegments(0);
        System.out.println("Confidence: " + textSegment.getConfidence());
        // For the text segment display it's time offset
        VideoSegment videoSegment = textSegment.getSegment();
        Duration startTimeOffset = videoSegment.getStartTimeOffset();
        Duration endTimeOffset = videoSegment.getEndTimeOffset();
        // Display the offset times in seconds, 1e9 is part of the formula to convert nanos to seconds
        System.out.println(String.format("Start time: %.2f", startTimeOffset.getSeconds() + startTimeOffset.getNanos() / 1e9));
        System.out.println(String.format("End time: %.2f", endTimeOffset.getSeconds() + endTimeOffset.getNanos() / 1e9));
        // Show the first result for the first frame in the segment.
        TextFrame textFrame = textSegment.getFrames(0);
        Duration timeOffset = textFrame.getTimeOffset();
        System.out.println(String.format("Time offset for the first frame: %.2f", timeOffset.getSeconds() + timeOffset.getNanos() / 1e9));
        // Display the rotated bounding box for where the text is on the frame.
        System.out.println("Rotated Bounding Box Vertices:");
        List<NormalizedVertex> vertices = textFrame.getRotatedBoundingBox().getVerticesList();
        for (NormalizedVertex normalizedVertex : vertices) {
            System.out.println(String.format("\tVertex.x: %.2f, Vertex.y: %.2f", normalizedVertex.getX(), normalizedVertex.getY()));
        }
        return results;
    }
}
Also used : Path(java.nio.file.Path) AnnotateVideoRequest(com.google.cloud.videointelligence.v1.AnnotateVideoRequest) Duration(com.google.protobuf.Duration) NormalizedVertex(com.google.cloud.videointelligence.v1.NormalizedVertex) VideoIntelligenceServiceClient(com.google.cloud.videointelligence.v1.VideoIntelligenceServiceClient) AnnotateVideoProgress(com.google.cloud.videointelligence.v1.AnnotateVideoProgress) VideoSegment(com.google.cloud.videointelligence.v1.VideoSegment) VideoAnnotationResults(com.google.cloud.videointelligence.v1.VideoAnnotationResults) TextFrame(com.google.cloud.videointelligence.v1.TextFrame) TextSegment(com.google.cloud.videointelligence.v1.TextSegment) TextAnnotation(com.google.cloud.videointelligence.v1.TextAnnotation) AnnotateVideoResponse(com.google.cloud.videointelligence.v1.AnnotateVideoResponse)

Example 7 with NormalizedVertex

use of com.google.cloud.videointelligence.v1.NormalizedVertex in project java-video-intelligence by googleapis.

the class TextDetection method detectTextGcs.

// [END video_detect_text_beta]
// [START video_detect_text_gcs_beta]
/**
 * Detect Text in a video.
 *
 * @param gcsUri the path to the video file to analyze.
 */
public static VideoAnnotationResults detectTextGcs(String gcsUri) throws Exception {
    try (VideoIntelligenceServiceClient client = VideoIntelligenceServiceClient.create()) {
        // Create the request
        AnnotateVideoRequest request = AnnotateVideoRequest.newBuilder().setInputUri(gcsUri).addFeatures(Feature.TEXT_DETECTION).build();
        // asynchronously perform object tracking on videos
        OperationFuture<AnnotateVideoResponse, AnnotateVideoProgress> future = client.annotateVideoAsync(request);
        System.out.println("Waiting for operation to complete...");
        // The first result is retrieved because a single video was processed.
        AnnotateVideoResponse response = future.get(600, TimeUnit.SECONDS);
        VideoAnnotationResults results = response.getAnnotationResults(0);
        // Get only the first annotation for demo purposes.
        TextAnnotation annotation = results.getTextAnnotations(0);
        System.out.println("Text: " + annotation.getText());
        // Get the first text segment.
        TextSegment textSegment = annotation.getSegments(0);
        System.out.println("Confidence: " + textSegment.getConfidence());
        // For the text segment display it's time offset
        VideoSegment videoSegment = textSegment.getSegment();
        Duration startTimeOffset = videoSegment.getStartTimeOffset();
        Duration endTimeOffset = videoSegment.getEndTimeOffset();
        // Display the offset times in seconds, 1e9 is part of the formula to convert nanos to seconds
        System.out.println(String.format("Start time: %.2f", startTimeOffset.getSeconds() + startTimeOffset.getNanos() / 1e9));
        System.out.println(String.format("End time: %.2f", endTimeOffset.getSeconds() + endTimeOffset.getNanos() / 1e9));
        // Show the first result for the first frame in the segment.
        TextFrame textFrame = textSegment.getFrames(0);
        Duration timeOffset = textFrame.getTimeOffset();
        System.out.println(String.format("Time offset for the first frame: %.2f", timeOffset.getSeconds() + timeOffset.getNanos() / 1e9));
        // Display the rotated bounding box for where the text is on the frame.
        System.out.println("Rotated Bounding Box Vertices:");
        List<NormalizedVertex> vertices = textFrame.getRotatedBoundingBox().getVerticesList();
        for (NormalizedVertex normalizedVertex : vertices) {
            System.out.println(String.format("\tVertex.x: %.2f, Vertex.y: %.2f", normalizedVertex.getX(), normalizedVertex.getY()));
        }
        return results;
    }
}
Also used : AnnotateVideoRequest(com.google.cloud.videointelligence.v1p2beta1.AnnotateVideoRequest) Duration(com.google.protobuf.Duration) NormalizedVertex(com.google.cloud.videointelligence.v1p2beta1.NormalizedVertex) VideoIntelligenceServiceClient(com.google.cloud.videointelligence.v1p2beta1.VideoIntelligenceServiceClient) AnnotateVideoProgress(com.google.cloud.videointelligence.v1p2beta1.AnnotateVideoProgress) VideoSegment(com.google.cloud.videointelligence.v1p2beta1.VideoSegment) VideoAnnotationResults(com.google.cloud.videointelligence.v1p2beta1.VideoAnnotationResults) TextFrame(com.google.cloud.videointelligence.v1p2beta1.TextFrame) TextSegment(com.google.cloud.videointelligence.v1p2beta1.TextSegment) TextAnnotation(com.google.cloud.videointelligence.v1p2beta1.TextAnnotation) AnnotateVideoResponse(com.google.cloud.videointelligence.v1p2beta1.AnnotateVideoResponse)

Aggregations

Duration (com.google.protobuf.Duration)6 AnnotateVideoProgress (com.google.cloud.videointelligence.v1.AnnotateVideoProgress)4 AnnotateVideoRequest (com.google.cloud.videointelligence.v1.AnnotateVideoRequest)4 AnnotateVideoResponse (com.google.cloud.videointelligence.v1.AnnotateVideoResponse)4 NormalizedVertex (com.google.cloud.videointelligence.v1.NormalizedVertex)4 TextAnnotation (com.google.cloud.videointelligence.v1.TextAnnotation)4 TextFrame (com.google.cloud.videointelligence.v1.TextFrame)4 TextSegment (com.google.cloud.videointelligence.v1.TextSegment)4 VideoAnnotationResults (com.google.cloud.videointelligence.v1.VideoAnnotationResults)4 VideoIntelligenceServiceClient (com.google.cloud.videointelligence.v1.VideoIntelligenceServiceClient)4 VideoSegment (com.google.cloud.videointelligence.v1.VideoSegment)4 Path (java.nio.file.Path)3 AnnotateVideoProgress (com.google.cloud.videointelligence.v1p2beta1.AnnotateVideoProgress)2 AnnotateVideoRequest (com.google.cloud.videointelligence.v1p2beta1.AnnotateVideoRequest)2 AnnotateVideoResponse (com.google.cloud.videointelligence.v1p2beta1.AnnotateVideoResponse)2 NormalizedVertex (com.google.cloud.videointelligence.v1p2beta1.NormalizedVertex)2 TextAnnotation (com.google.cloud.videointelligence.v1p2beta1.TextAnnotation)2 TextFrame (com.google.cloud.videointelligence.v1p2beta1.TextFrame)2 TextSegment (com.google.cloud.videointelligence.v1p2beta1.TextSegment)2 VideoAnnotationResults (com.google.cloud.videointelligence.v1p2beta1.VideoAnnotationResults)2