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rekognition-image-java-detect-labels-local-file.java

rekognition-image-java-detect-labels-local-file.java demonstrates how to detect unsafe content in an image loaded from a local file.

/** * Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * This file is licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. A copy of * the License is located at * * http://aws.amazon.com/apache2.0/ * * This file 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 aws.example.rekognition.image; import java.io.File; import java.io.FileInputStream; import java.io.InputStream; import java.nio.ByteBuffer; import java.util.List; import com.amazonaws.services.rekognition.AmazonRekognition; import com.amazonaws.services.rekognition.AmazonRekognitionClientBuilder; import com.amazonaws.AmazonClientException; import com.amazonaws.services.rekognition.model.AmazonRekognitionException; import com.amazonaws.services.rekognition.model.DetectLabelsRequest; import com.amazonaws.services.rekognition.model.DetectLabelsResult; import com.amazonaws.services.rekognition.model.Image; import com.amazonaws.services.rekognition.model.Label; import com.amazonaws.util.IOUtils; public class DetectLabelsLocalFile { public static void main(String[] args) throws Exception { // Change photo to the path and filename of your image. String photo="input.jpg"; ByteBuffer imageBytes; try (InputStream inputStream = new FileInputStream(new File(photo))) { imageBytes = ByteBuffer.wrap(IOUtils.toByteArray(inputStream)); } AmazonRekognition rekognitionClient = AmazonRekognitionClientBuilder.defaultClient(); DetectLabelsRequest request = new DetectLabelsRequest() .withImage(new Image() .withBytes(imageBytes)) .withMaxLabels(10) .withMinConfidence(77F); try { DetectLabelsResult result = rekognitionClient.detectLabels(request); List <Label> labels = result.getLabels(); System.out.println("Detected labels for " + photo); for (Label label: labels) { System.out.println(label.getName() + ": " + label.getConfidence().toString()); } } catch (AmazonRekognitionException e) { e.printStackTrace(); } } }

Sample Details

Service: rekognition

Last tested: 2019-01-18

Author: reesch(AWS)

Type: full-example

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