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DetectLogoGcs.java
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DetectLogoGcs.java
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/*
* Copyright 2020 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package beta.video;
// [START video_detect_logo_gcs_beta]
import com.google.cloud.videointelligence.v1p3beta1.AnnotateVideoRequest;
import com.google.cloud.videointelligence.v1p3beta1.AnnotateVideoResponse;
import com.google.cloud.videointelligence.v1p3beta1.DetectedAttribute;
import com.google.cloud.videointelligence.v1p3beta1.Entity;
import com.google.cloud.videointelligence.v1p3beta1.Feature;
import com.google.cloud.videointelligence.v1p3beta1.LogoRecognitionAnnotation;
import com.google.cloud.videointelligence.v1p3beta1.NormalizedBoundingBox;
import com.google.cloud.videointelligence.v1p3beta1.TimestampedObject;
import com.google.cloud.videointelligence.v1p3beta1.Track;
import com.google.cloud.videointelligence.v1p3beta1.VideoAnnotationResults;
import com.google.cloud.videointelligence.v1p3beta1.VideoIntelligenceServiceClient;
import com.google.cloud.videointelligence.v1p3beta1.VideoSegment;
import com.google.protobuf.Duration;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
public class DetectLogoGcs {
public void detectLogo() throws IOException, ExecutionException, InterruptedException {
String inputUri = "gs://cloud-samples-data/video/googlework_short.mp4";
detectLogoGcs(inputUri);
}
public static void detectLogoGcs(String inputUri)
throws IOException, ExecutionException, InterruptedException {
// Initialize client that will be used to send requests. This client only needs to be created
// once, and can be reused for multiple requests. After completing all of your requests, call
// the "close" method on the client to safely clean up any remaining background resources.
try (VideoIntelligenceServiceClient client = VideoIntelligenceServiceClient.create()) {
// Build the request with the inputUri and set the Feature
AnnotateVideoRequest request =
AnnotateVideoRequest.newBuilder()
.setInputUri(inputUri)
.addFeatures(Feature.LOGO_RECOGNITION)
.build();
// Make the asynchronous request
AnnotateVideoResponse response = client.annotateVideoAsync(request).get();
// Get the first response, since we sent only one video.
VideoAnnotationResults annotationResult = response.getAnnotationResultsList().get(0);
// Annotations for list of logos detected, tracked and recognized in the video.
for (LogoRecognitionAnnotation logoRecognitionAnnotation :
annotationResult.getLogoRecognitionAnnotationsList()) {
Entity entity = logoRecognitionAnnotation.getEntity();
// Opaque entity ID. Some IDs may be available in [Google Knowledge Graph Search
// API](https://developers.google.com/knowledge-graph/).
System.out.printf("Entity Id: %s\n", entity.getEntityId());
System.out.printf("Description: %s\n", entity.getDescription());
// All logo tracks where the recognized logo appears. Each track corresponds to one logo
// instance appearing in consecutive frames.
for (Track track : logoRecognitionAnnotation.getTracksList()) {
// Video segment of a track.
VideoSegment segment = track.getSegment();
Duration segmentStartTimeOffset = segment.getStartTimeOffset();
System.out.printf(
"\n\tStart Time Offset: %s.%s\n",
segmentStartTimeOffset.getSeconds(), segmentStartTimeOffset.getNanos());
Duration segmentEndTimeOffset = segment.getEndTimeOffset();
System.out.printf(
"\tEnd Time Offset: %s.%s\n",
segmentEndTimeOffset.getSeconds(), segmentEndTimeOffset.getNanos());
System.out.printf("\tConfidence: %s\n", track.getConfidence());
// The object with timestamp and attributes per frame in the track.
for (TimestampedObject timestampedObject : track.getTimestampedObjectsList()) {
// Normalized Bounding box in a frame, where the object is located.
NormalizedBoundingBox normalizedBoundingBox =
timestampedObject.getNormalizedBoundingBox();
System.out.printf("\n\t\tLeft: %s\n", normalizedBoundingBox.getLeft());
System.out.printf("\t\tTop: %s\n", normalizedBoundingBox.getTop());
System.out.printf("\t\tRight: %s\n", normalizedBoundingBox.getRight());
System.out.printf("\t\tBottom: %s\n", normalizedBoundingBox.getBottom());
// Optional. The attributes of the object in the bounding box.
for (DetectedAttribute attribute : timestampedObject.getAttributesList()) {
System.out.printf("\n\t\t\tName: %s\n", attribute.getName());
System.out.printf("\t\t\tConfidence: %s\n", attribute.getConfidence());
System.out.printf("\t\t\tValue: %s\n", attribute.getValue());
}
}
// Optional. Attributes in the track level.
for (DetectedAttribute trackAttribute : track.getAttributesList()) {
System.out.printf("\n\t\tName : %s\n", trackAttribute.getName());
System.out.printf("\t\tConfidence : %s\n", trackAttribute.getConfidence());
System.out.printf("\t\tValue : %s\n", trackAttribute.getValue());
}
}
// All video segments where the recognized logo appears. There might be multiple instances
// of the same logo class appearing in one VideoSegment.
for (VideoSegment logoRecognitionAnnotationSegment :
logoRecognitionAnnotation.getSegmentsList()) {
Duration logoRecognitionAnnotationSegmentStartTimeOffset =
logoRecognitionAnnotationSegment.getStartTimeOffset();
System.out.printf(
"\n\tStart Time Offset : %s.%s\n",
logoRecognitionAnnotationSegmentStartTimeOffset.getSeconds(),
logoRecognitionAnnotationSegmentStartTimeOffset.getNanos());
Duration logoRecognitionAnnotationSegmentEndTimeOffset =
logoRecognitionAnnotationSegment.getEndTimeOffset();
System.out.printf(
"\tEnd Time Offset : %s.%s\n",
logoRecognitionAnnotationSegmentEndTimeOffset.getSeconds(),
logoRecognitionAnnotationSegmentEndTimeOffset.getNanos());
}
}
}
}
}
// [END video_detect_logo_gcs_beta]