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Added beta samples for video object tracking/text detection (#1237) · jsimonweb/java-docs-samples@64f3ec1 · GitHub

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Commit 64f3ec1

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anguillanneuf
authored and
nnegrey
committed
Added beta samples for video object tracking/text detection (GoogleCloudPlatform#1237)
* Added beta samples for video object tracking/text detection * Update style, fix a few test issues we missed, increase timeouts * Updates based on review * Shorten timeouts, break out of test
1 parent a2f064a commit 64f3ec1

7 files changed

Lines changed: 416 additions & 3 deletions

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‎video/beta/pom.xml‎

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@@ -26,7 +26,7 @@
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<parent>
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<groupId>com.google.cloud.samples</groupId>
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<artifactId>shared-configuration</artifactId>
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<version>1.0.9</version>
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<version>1.0.10</version>
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</parent>
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<properties>
@@ -39,7 +39,7 @@
3939
<dependency>
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<groupId>com.google.cloud</groupId>
4141
<artifactId>google-cloud-video-intelligence</artifactId>
42-
<version>0.56.0-beta</version>
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<version>0.67.0-beta</version>
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</dependency>
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<!-- Test dependencies -->

‎video/beta/resources/cat.mp4‎

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‎video/beta/resources/googlework_short.mp4‎

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‎video/beta/src/main/java/com/example/video/Detect.java‎

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@@ -105,7 +105,7 @@ public static void speechTranscription(String gcsUri) throws Exception {
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106106
System.out.println("Waiting for operation to complete...");
107107
// Display the results
108-
for (VideoAnnotationResults results : response.get(180, TimeUnit.SECONDS)
108+
for (VideoAnnotationResults results : response.get(300, TimeUnit.SECONDS)
109109
.getAnnotationResultsList()) {
110110
for (SpeechTranscription speechTranscription : results.getSpeechTranscriptionsList()) {
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try {

‎video/beta/src/main/java/com/example/video/TextDetection.java‎

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/*
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* Copyright 2018 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.video;
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import com.google.api.gax.longrunning.OperationFuture;
20+
import com.google.cloud.videointelligence.v1p2beta1.AnnotateVideoProgress;
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import com.google.cloud.videointelligence.v1p2beta1.AnnotateVideoRequest;
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import com.google.cloud.videointelligence.v1p2beta1.AnnotateVideoResponse;
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import com.google.cloud.videointelligence.v1p2beta1.Feature;
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import com.google.cloud.videointelligence.v1p2beta1.NormalizedVertex;
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import com.google.cloud.videointelligence.v1p2beta1.TextAnnotation;
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import com.google.cloud.videointelligence.v1p2beta1.TextFrame;
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import com.google.cloud.videointelligence.v1p2beta1.TextSegment;
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import com.google.cloud.videointelligence.v1p2beta1.VideoAnnotationResults;
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import com.google.cloud.videointelligence.v1p2beta1.VideoIntelligenceServiceClient;
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import com.google.cloud.videointelligence.v1p2beta1.VideoSegment;
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import com.google.protobuf.ByteString;
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import com.google.protobuf.Duration;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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public class TextDetection {
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// [START video_detect_text_beta]
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/**
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* Detect text in a video.
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*
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* @param filePath the path to the video file to analyze.
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*/
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public static VideoAnnotationResults detectText(String filePath) throws Exception {
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try (VideoIntelligenceServiceClient client = VideoIntelligenceServiceClient.create()) {
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// Read file
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Path path = Paths.get(filePath);
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byte[] data = Files.readAllBytes(path);
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// Create the request
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AnnotateVideoRequest request = AnnotateVideoRequest.newBuilder()
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.setInputContent(ByteString.copyFrom(data))
57+
.addFeatures(Feature.TEXT_DETECTION)
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.build();
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// asynchronously perform object tracking on videos
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OperationFuture<AnnotateVideoResponse, AnnotateVideoProgress> future =
62+
client.annotateVideoAsync(request);
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System.out.println("Waiting for operation to complete...");
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// The first result is retrieved because a single video was processed.
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AnnotateVideoResponse response = future.get(300, TimeUnit.SECONDS);
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VideoAnnotationResults results = response.getAnnotationResults(0);
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// Get only the first annotation for demo purposes.
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TextAnnotation annotation = results.getTextAnnotations(0);
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System.out.println("Text: " + annotation.getText());
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// Get the first text segment.
74+
TextSegment textSegment = annotation.getSegments(0);
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System.out.println("Confidence: " + textSegment.getConfidence());
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// For the text segment display it's time offset
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VideoSegment videoSegment = textSegment.getSegment();
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Duration startTimeOffset = videoSegment.getStartTimeOffset();
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Duration endTimeOffset = videoSegment.getEndTimeOffset();
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// Display the offset times in seconds, 1e9 is part of the formula to convert nanos to seconds
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System.out.println(String.format("Start time: %.2f",
82+
startTimeOffset.getSeconds() + startTimeOffset.getNanos() / 1e9));
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System.out.println(String.format("End time: %.2f",
84+
endTimeOffset.getSeconds() + endTimeOffset.getNanos() / 1e9));
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// Show the first result for the first frame in the segment.
87+
TextFrame textFrame = textSegment.getFrames(0);
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Duration timeOffset = textFrame.getTimeOffset();
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System.out.println(String.format("Time offset for the first frame: %.2f",
90+
timeOffset.getSeconds() + timeOffset.getNanos() / 1e9));
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// Display the rotated bounding box for where the text is on the frame.
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System.out.println("Rotated Bounding Box Vertices:");
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List<NormalizedVertex> vertices = textFrame.getRotatedBoundingBox().getVerticesList();
95+
for (NormalizedVertex normalizedVertex : vertices) {
96+
System.out.println(String.format(
97+
"\tVertex.x: %.2f, Vertex.y: %.2f",
98+
normalizedVertex.getX(),
99+
normalizedVertex.getY()));
100+
}
101+
return results;
102+
}
103+
}
104+
// [END video_detect_text_beta]
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// [START video_detect_text_gcs_beta]
107+
/**
108+
* Detect Text in a video.
109+
*
110+
* @param gcsUri the path to the video file to analyze.
111+
*/
112+
public static VideoAnnotationResults detectTextGcs(String gcsUri) throws Exception {
113+
try (VideoIntelligenceServiceClient client = VideoIntelligenceServiceClient.create()) {
114+
// Create the request
115+
AnnotateVideoRequest request = AnnotateVideoRequest.newBuilder()
116+
.setInputUri(gcsUri)
117+
.addFeatures(Feature.TEXT_DETECTION)
118+
.build();
119+
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// asynchronously perform object tracking on videos
121+
OperationFuture<AnnotateVideoResponse, AnnotateVideoProgress> future =
122+
client.annotateVideoAsync(request);
123+
124+
System.out.println("Waiting for operation to complete...");
125+
// The first result is retrieved because a single video was processed.
126+
AnnotateVideoResponse response = future.get(300, TimeUnit.SECONDS);
127+
VideoAnnotationResults results = response.getAnnotationResults(0);
128+
129+
// Get only the first annotation for demo purposes.
130+
TextAnnotation annotation = results.getTextAnnotations(0);
131+
System.out.println("Text: " + annotation.getText());
132+
133+
// Get the first text segment.
134+
TextSegment textSegment = annotation.getSegments(0);
135+
System.out.println("Confidence: " + textSegment.getConfidence());
136+
// For the text segment display it's time offset
137+
VideoSegment videoSegment = textSegment.getSegment();
138+
Duration startTimeOffset = videoSegment.getStartTimeOffset();
139+
Duration endTimeOffset = videoSegment.getEndTimeOffset();
140+
// Display the offset times in seconds, 1e9 is part of the formula to convert nanos to seconds
141+
System.out.println(String.format("Start time: %.2f",
142+
startTimeOffset.getSeconds() + startTimeOffset.getNanos() / 1e9));
143+
System.out.println(String.format("End time: %.2f",
144+
endTimeOffset.getSeconds() + endTimeOffset.getNanos() / 1e9));
145+
146+
// Show the first result for the first frame in the segment.
147+
TextFrame textFrame = textSegment.getFrames(0);
148+
Duration timeOffset = textFrame.getTimeOffset();
149+
System.out.println(String.format("Time offset for the first frame: %.2f",
150+
timeOffset.getSeconds() + timeOffset.getNanos() / 1e9));
151+
152+
// Display the rotated bounding box for where the text is on the frame.
153+
System.out.println("Rotated Bounding Box Vertices:");
154+
List<NormalizedVertex> vertices = textFrame.getRotatedBoundingBox().getVerticesList();
155+
for (NormalizedVertex normalizedVertex : vertices) {
156+
System.out.println(String.format(
157+
"\tVertex.x: %.2f, Vertex.y: %.2f",
158+
normalizedVertex.getX(),
159+
normalizedVertex.getY()));
160+
}
161+
return results;
162+
}
163+
}
164+
// [END video_detect_text_gcs_beta]
165+
}

‎video/beta/src/main/java/com/example/video/TrackObjects.java‎

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1+
/*
2+
* Copyright 2018 Google LLC
3+
*
4+
* Licensed under the Apache License, Version 2.0 (the "License");
5+
* you may not use this file except in compliance with the License.
6+
* You may obtain a copy of the License at
7+
*
8+
* http://www.apache.org/licenses/LICENSE-2.0
9+
*
10+
* Unless required by applicable law or agreed to in writing, software
11+
* distributed under the License is distributed on an "AS IS" BASIS,
12+
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13+
* See the License for the specific language governing permissions and
14+
* limitations under the License.
15+
*/
16+
17+
package com.example.video;
18+
19+
import com.google.api.gax.longrunning.OperationFuture;
20+
import com.google.cloud.videointelligence.v1p2beta1.AnnotateVideoProgress;
21+
import com.google.cloud.videointelligence.v1p2beta1.AnnotateVideoRequest;
22+
import com.google.cloud.videointelligence.v1p2beta1.AnnotateVideoResponse;
23+
import com.google.cloud.videointelligence.v1p2beta1.Entity;
24+
import com.google.cloud.videointelligence.v1p2beta1.Feature;
25+
import com.google.cloud.videointelligence.v1p2beta1.NormalizedBoundingBox;
26+
import com.google.cloud.videointelligence.v1p2beta1.ObjectTrackingAnnotation;
27+
import com.google.cloud.videointelligence.v1p2beta1.ObjectTrackingFrame;
28+
import com.google.cloud.videointelligence.v1p2beta1.VideoAnnotationResults;
29+
import com.google.cloud.videointelligence.v1p2beta1.VideoIntelligenceServiceClient;
30+
import com.google.cloud.videointelligence.v1p2beta1.VideoSegment;
31+
import com.google.protobuf.ByteString;
32+
33+
import com.google.protobuf.Duration;
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import java.nio.file.Files;
35+
import java.nio.file.Path;
36+
import java.nio.file.Paths;
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import java.util.concurrent.TimeUnit;
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39+
public class TrackObjects {
40+
41+
// [START video_object_tracking_beta]
42+
/**
43+
* Track objects in a video.
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*
45+
* @param filePath the path to the video file to analyze.
46+
*/
47+
public static VideoAnnotationResults trackObjects(String filePath) throws Exception {
48+
try (VideoIntelligenceServiceClient client = VideoIntelligenceServiceClient.create()) {
49+
// Read file
50+
Path path = Paths.get(filePath);
51+
byte[] data = Files.readAllBytes(path);
52+
53+
// Create the request
54+
AnnotateVideoRequest request = AnnotateVideoRequest.newBuilder()
55+
.setInputContent(ByteString.copyFrom(data))
56+
.addFeatures(Feature.OBJECT_TRACKING)
57+
.setLocationId("us-east1")
58+
.build();
59+
60+
// asynchronously perform object tracking on videos
61+
OperationFuture<AnnotateVideoResponse, AnnotateVideoProgress> future =
62+
client.annotateVideoAsync(request);
63+
64+
System.out.println("Waiting for operation to complete...");
65+
// The first result is retrieved because a single video was processed.
66+
AnnotateVideoResponse response = future.get(300, TimeUnit.SECONDS);
67+
VideoAnnotationResults results = response.getAnnotationResults(0);
68+
69+
// Get only the first annotation for demo purposes.
70+
ObjectTrackingAnnotation annotation = results.getObjectAnnotations(0);
71+
System.out.println("Confidence: " + annotation.getConfidence());
72+
73+
if (annotation.hasEntity()) {
74+
Entity entity = annotation.getEntity();
75+
System.out.println("Entity description: " + entity.getDescription());
76+
System.out.println("Entity id:: " + entity.getEntityId());
77+
}
78+
79+
if (annotation.hasSegment()) {
80+
VideoSegment videoSegment = annotation.getSegment();
81+
Duration startTimeOffset = videoSegment.getStartTimeOffset();
82+
Duration endTimeOffset = videoSegment.getEndTimeOffset();
83+
// Display the segment time in seconds, 1e9 converts nanos to seconds
84+
System.out.println(String.format(
85+
"Segment: %.2fs to %.2fs",
86+
startTimeOffset.getSeconds() + startTimeOffset.getNanos() / 1e9,
87+
endTimeOffset.getSeconds() + endTimeOffset.getNanos() / 1e9));
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}
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90+
// Here we print only the bounding box of the first frame in this segment.
91+
ObjectTrackingFrame frame = annotation.getFrames(0);
92+
// Display the offset time in seconds, 1e9 converts nanos to seconds
93+
Duration timeOffset = frame.getTimeOffset();
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System.out.println(String.format(
95+
"Time offset of the first frame: %.2fs",
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timeOffset.getSeconds() + timeOffset.getNanos() / 1e9));
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98+
// Display the bounding box of the detected object
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NormalizedBoundingBox normalizedBoundingBox = frame.getNormalizedBoundingBox();
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System.out.println("Bounding box position:");
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System.out.println("\tleft: " + normalizedBoundingBox.getLeft());
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System.out.println("\ttop: " + normalizedBoundingBox.getTop());
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System.out.println("\tright: " + normalizedBoundingBox.getRight());
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System.out.println("\tbottom: " + normalizedBoundingBox.getBottom());
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return results;
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}
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}
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// [END video_object_tracking_beta]
109+
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// [START video_object_tracking_gcs_beta]
111+
/**
112+
* Track objects in a video.
113+
*
114+
* @param gcsUri the path to the video file to analyze.
115+
*/
116+
public static VideoAnnotationResults trackObjectsGcs(String gcsUri) throws Exception {
117+
try (VideoIntelligenceServiceClient client = VideoIntelligenceServiceClient.create()) {
118+
// Create the request
119+
AnnotateVideoRequest request = AnnotateVideoRequest.newBuilder()
120+
.setInputUri(gcsUri)
121+
.addFeatures(Feature.OBJECT_TRACKING)
122+
.setLocationId("us-east1")
123+
.build();
124+
125+
// asynchronously perform object tracking on videos
126+
OperationFuture<AnnotateVideoResponse, AnnotateVideoProgress> future =
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client.annotateVideoAsync(request);
128+
129+
System.out.println("Waiting for operation to complete...");
130+
// The first result is retrieved because a single video was processed.
131+
AnnotateVideoResponse response = future.get(300, TimeUnit.SECONDS);
132+
VideoAnnotationResults results = response.getAnnotationResults(0);
133+
134+
// Get only the first annotation for demo purposes.
135+
ObjectTrackingAnnotation annotation = results.getObjectAnnotations(0);
136+
System.out.println("Confidence: " + annotation.getConfidence());
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if (annotation.hasEntity()) {
139+
Entity entity = annotation.getEntity();
140+
System.out.println("Entity description: " + entity.getDescription());
141+
System.out.println("Entity id:: " + entity.getEntityId());
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}
143+
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if (annotation.hasSegment()) {
145+
VideoSegment videoSegment = annotation.getSegment();
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Duration startTimeOffset = videoSegment.getStartTimeOffset();
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Duration endTimeOffset = videoSegment.getEndTimeOffset();
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// Display the segment time in seconds, 1e9 converts nanos to seconds
149+
System.out.println(String.format(
150+
"Segment: %.2fs to %.2fs",
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startTimeOffset.getSeconds() + startTimeOffset.getNanos() / 1e9,
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endTimeOffset.getSeconds() + endTimeOffset.getNanos() / 1e9));
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}
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// Here we print only the bounding box of the first frame in this segment.
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ObjectTrackingFrame frame = annotation.getFrames(0);
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// Display the offset time in seconds, 1e9 converts nanos to seconds
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Duration timeOffset = frame.getTimeOffset();
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System.out.println(String.format(
160+
"Time offset of the first frame: %.2fs",
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timeOffset.getSeconds() + timeOffset.getNanos() / 1e9));
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// Display the bounding box of the detected object
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NormalizedBoundingBox normalizedBoundingBox = frame.getNormalizedBoundingBox();
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System.out.println("Bounding box position:");
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System.out.println("\tleft: " + normalizedBoundingBox.getLeft());
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System.out.println("\ttop: " + normalizedBoundingBox.getTop());
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System.out.println("\tright: " + normalizedBoundingBox.getRight());
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System.out.println("\tbottom: " + normalizedBoundingBox.getBottom());
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return results;
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}
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}
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// [END video_object_tracking_gcs_beta]
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}
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