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Detecting personal protective equipment in an image

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Detecting personal protective equipment in an image - Amazon Rekognition

To detect Personal Protective Equipment (PPE) on persons in an image, use the DetectProtectiveEquipment non-storage API operation.

You can provide the input image as an image byte array (base64-encoded image bytes) or as an Amazon S3 object, by using the AWS SDK or the AWS Command Line Interface (AWS CLI). These examples use an image stored in an Amazon S3 bucket. For more information, see Working with images.

To detect PPE on persons in an image

  1. If you haven't already:

    1. Create or update a user with AmazonRekognitionFullAccess and AmazonS3ReadOnlyAccess permissions. For more information, see Step 1: Set up an AWS account and create a User.

    2. Install and configure the AWS CLI and the AWS SDKs. For more information, see Step 2: Set up the AWS CLI and AWS SDKs.

  2. Upload an image (that contains one or more persons wearing PPE) to your S3 bucket.

    For instructions, see Uploading Objects into Amazon S3 in the Amazon Simple Storage Service User Guide.

  3. Use the following examples to call the DetectProtectiveEquipment operation. For information about displaying bounding boxes in an image, see Displaying bounding boxes.

    Java

    This example displays information about the PPE items detected on persons detected in an image.

    Change the value of amzn-s3-demo-bucket to the name of the Amazon S3 bucket that contains your image. Change the value of photo to your image file name.

    //Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
//PDX-License-Identifier: MIT-0 (For details, see https://github.com/awsdocs/amazon-rekognition-developer-guide/blob/master/LICENSE-SAMPLECODE.)

package com.amazonaws.samples;
import com.amazonaws.client.builder.AwsClientBuilder;
import com.amazonaws.services.rekognition.AmazonRekognition;
import com.amazonaws.services.rekognition.AmazonRekognitionClientBuilder;
import com.amazonaws.services.rekognition.model.AmazonRekognitionException;
import com.amazonaws.services.rekognition.model.Image;
import com.amazonaws.services.rekognition.model.ProtectiveEquipmentBodyPart;
import com.amazonaws.services.rekognition.model.S3Object;
import com.amazonaws.services.rekognition.model.ProtectiveEquipmentPerson;
import com.amazonaws.services.rekognition.model.ProtectiveEquipmentSummarizationAttributes;

import java.util.List;
import com.amazonaws.services.rekognition.model.BoundingBox;
import com.amazonaws.services.rekognition.model.DetectProtectiveEquipmentRequest;
import com.amazonaws.services.rekognition.model.DetectProtectiveEquipmentResult;
import com.amazonaws.services.rekognition.model.EquipmentDetection;


public class DetectPPE {

    public static void main(String[] args) throws Exception {

        String photo = "photo";
        String bucket = "bucket";


        AmazonRekognition rekognitionClient = AmazonRekognitionClientBuilder.defaultClient();
        
        ProtectiveEquipmentSummarizationAttributes summaryAttributes = new ProtectiveEquipmentSummarizationAttributes()
                .withMinConfidence(80F)
                .withRequiredEquipmentTypes("FACE_COVER", "HAND_COVER", "HEAD_COVER");
                
        DetectProtectiveEquipmentRequest request = new DetectProtectiveEquipmentRequest()
                .withImage(new Image()
                        .withS3Object(new S3Object()
                                .withName(photo).withBucket(bucket)))
                .withSummarizationAttributes(summaryAttributes);

        try {
            System.out.println("Detected PPE for people in image " + photo);
            System.out.println("Detected people\n---------------");
            DetectProtectiveEquipmentResult result = rekognitionClient.detectProtectiveEquipment(request);


            List <ProtectiveEquipmentPerson> persons = result.getPersons();


            for (ProtectiveEquipmentPerson person: persons) {
                System.out.println("ID: " + person.getId());
                List<ProtectiveEquipmentBodyPart> bodyParts=person.getBodyParts();
                if (bodyParts.isEmpty()){
                    System.out.println("\tNo body parts detected");
                } else
                    for (ProtectiveEquipmentBodyPart bodyPart: bodyParts) {
                        System.out.println("\t" + bodyPart.getName() + ". Confidence: " + bodyPart.getConfidence().toString());



                        List<EquipmentDetection> equipmentDetections=bodyPart.getEquipmentDetections();

                        if (equipmentDetections.isEmpty()){
                            System.out.println("\t\tNo PPE Detected on " + bodyPart.getName());

                        } 
                        else {
                            for (EquipmentDetection item: equipmentDetections) {
                                System.out.println("\t\tItem: " + item.getType() + ". Confidence: " + item.getConfidence().toString());
                                System.out.println("\t\tCovers body part: " 
                                        + item.getCoversBodyPart().getValue().toString() + ". Confidence: " + item.getCoversBodyPart().getConfidence().toString());

                                System.out.println("\t\tBounding Box");
                                BoundingBox box =item.getBoundingBox();

                                System.out.println("\t\tLeft: " +box.getLeft().toString());
                                System.out.println("\t\tTop: " + box.getTop().toString());
                                System.out.println("\t\tWidth: " + box.getWidth().toString());
                                System.out.println("\t\tHeight: " + box.getHeight().toString());
                                System.out.println("\t\tConfidence: " + item.getConfidence().toString());
                                System.out.println();
                            }
                        }

                    }
            }
            System.out.println("Person ID Summary\n-----------------");
            
            //List<Integer> list=;
            DisplaySummary("With required equipment", result.getSummary().getPersonsWithRequiredEquipment());
            DisplaySummary("Without required equipment", result.getSummary().getPersonsWithoutRequiredEquipment());
            DisplaySummary("Indeterminate", result.getSummary().getPersonsIndeterminate());         
       
            
        } catch(AmazonRekognitionException e) {
            e.printStackTrace();
        }
    }
    static void DisplaySummary(String summaryType,List<Integer> idList)
    {
        System.out.print(summaryType + "\n\tIDs  ");
        if (idList.size()==0) {
            System.out.println("None");
        }
        else {
            int count=0;
            for (Integer id: idList ) { 
                if (count++ == idList.size()-1) {
                    System.out.println(id.toString());
                }
                else {
                    System.out.print(id.toString() + ", ");
                }
            }
        }
                    
        System.out.println();
        
    
    }
}
    Java V2

    This code is taken from the AWS Documentation SDK examples GitHub repository. See the full example here.

    //snippet-start:[rekognition.java2.detect_ppe.import]
import software.amazon.awssdk.auth.credentials.ProfileCredentialsProvider;
import software.amazon.awssdk.core.ResponseBytes;
import software.amazon.awssdk.core.SdkBytes;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.rekognition.RekognitionClient;
import software.amazon.awssdk.services.rekognition.model.BoundingBox;
import software.amazon.awssdk.services.rekognition.model.DetectProtectiveEquipmentRequest;
import software.amazon.awssdk.services.rekognition.model.DetectProtectiveEquipmentResponse;
import software.amazon.awssdk.services.rekognition.model.EquipmentDetection;
import software.amazon.awssdk.services.rekognition.model.ProtectiveEquipmentBodyPart;
import software.amazon.awssdk.services.rekognition.model.ProtectiveEquipmentSummarizationAttributes;
import software.amazon.awssdk.services.rekognition.model.Image;
import software.amazon.awssdk.services.rekognition.model.RekognitionException;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.GetObjectRequest;
import software.amazon.awssdk.services.s3.model.GetObjectResponse;
import software.amazon.awssdk.services.s3.model.S3Exception;
import software.amazon.awssdk.services.rekognition.model.ProtectiveEquipmentPerson;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.List;
//snippet-end:[rekognition.java2.detect_ppe.import]

/**
* Before running this Java V2 code example, set up your development environment, including your credentials.
*
* For more information, see the following documentation topic:
*
* https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
*/
public class DetectPPE {

 public static void main(String[] args) {

     final String usage = "\n" +
         "Usage: " +
         "   <sourceImage> <bucketName>\n\n" +
         "Where:\n" +
         "   sourceImage - The name of the image in an Amazon S3 bucket (for example, people.png). \n\n" +
         "   bucketName - The name of the Amazon S3 bucket (for example, amzn-s3-demo-bucket). \n\n";

     if (args.length != 2) {
          System.out.println(usage);
          System.exit(1);
     }

     String sourceImage = args[0];
     String bucketName = args[1];
     Region region = Region.US_WEST_2;
     S3Client s3 = S3Client.builder()
         .region(region)
         .credentialsProvider(ProfileCredentialsProvider.create("profile-name"))
         .build();

     RekognitionClient rekClient = RekognitionClient.builder()
         .region(region)
         .credentialsProvider(ProfileCredentialsProvider.create("profile-name"))
         .build();

     displayGear(s3, rekClient, sourceImage, bucketName) ;
     s3.close();
     rekClient.close();
     System.out.println("This example is done!");
 }

 // snippet-start:[rekognition.java2.detect_ppe.main]
 public static void displayGear(S3Client s3,
                                RekognitionClient rekClient,
                                String sourceImage,
                                String bucketName) {

     byte[] data = getObjectBytes (s3, bucketName, sourceImage);
     InputStream is = new ByteArrayInputStream(data);

     try {
         ProtectiveEquipmentSummarizationAttributes summarizationAttributes = ProtectiveEquipmentSummarizationAttributes.builder()
             .minConfidence(80F)
             .requiredEquipmentTypesWithStrings("FACE_COVER", "HAND_COVER", "HEAD_COVER")
             .build();

         SdkBytes sourceBytes = SdkBytes.fromInputStream(is);
         software.amazon.awssdk.services.rekognition.model.Image souImage = Image.builder()
             .bytes(sourceBytes)
             .build();

         DetectProtectiveEquipmentRequest request = DetectProtectiveEquipmentRequest.builder()
             .image(souImage)
             .summarizationAttributes(summarizationAttributes)
             .build();

         DetectProtectiveEquipmentResponse result = rekClient.detectProtectiveEquipment(request);
         List<ProtectiveEquipmentPerson> persons = result.persons();
         for (ProtectiveEquipmentPerson person: persons) {
             System.out.println("ID: " + person.id());
             List<ProtectiveEquipmentBodyPart> bodyParts=person.bodyParts();
             if (bodyParts.isEmpty()){
                 System.out.println("\tNo body parts detected");
             } else
                 for (ProtectiveEquipmentBodyPart bodyPart: bodyParts) {
                     System.out.println("\t" + bodyPart.name() + ". Confidence: " + bodyPart.confidence().toString());
                     List<EquipmentDetection> equipmentDetections=bodyPart.equipmentDetections();

                     if (equipmentDetections.isEmpty()){
                         System.out.println("\t\tNo PPE Detected on " + bodyPart.name());
                     } else {
                         for (EquipmentDetection item: equipmentDetections) {
                             System.out.println("\t\tItem: " + item.type() + ". Confidence: " + item.confidence().toString());
                             System.out.println("\t\tCovers body part: "
                                     + item.coversBodyPart().value().toString() + ". Confidence: " + item.coversBodyPart().confidence().toString());

                             System.out.println("\t\tBounding Box");
                             BoundingBox box =item.boundingBox();
                             System.out.println("\t\tLeft: " +box.left().toString());
                             System.out.println("\t\tTop: " + box.top().toString());
                             System.out.println("\t\tWidth: " + box.width().toString());
                             System.out.println("\t\tHeight: " + box.height().toString());
                             System.out.println("\t\tConfidence: " + item.confidence().toString());
                             System.out.println();
                         }
                     }
                 }
         }
         System.out.println("Person ID Summary\n-----------------");

         displaySummary("With required equipment", result.summary().personsWithRequiredEquipment());
         displaySummary("Without required equipment", result.summary().personsWithoutRequiredEquipment());
         displaySummary("Indeterminate", result.summary().personsIndeterminate());

     } catch (RekognitionException e) {
         e.printStackTrace();
         System.exit(1);
     }
 }

 public static byte[] getObjectBytes (S3Client s3, String bucketName, String keyName) {

     try {
         GetObjectRequest objectRequest = GetObjectRequest
             .builder()
             .key(keyName)
             .bucket(bucketName)
             .build();

         ResponseBytes<GetObjectResponse> objectBytes = s3.getObjectAsBytes(objectRequest);
         return objectBytes.asByteArray();

     } catch (S3Exception e) {
         System.err.println(e.awsErrorDetails().errorMessage());
         System.exit(1);
     }
     return null;
 }

 static void displaySummary(String summaryType,List<Integer> idList) {
     System.out.print(summaryType + "\n\tIDs  ");
     if (idList.size()==0) {
         System.out.println("None");
     } else {
         int count=0;
         for (Integer id: idList ) {
             if (count++ == idList.size()-1) {
                 System.out.println(id.toString());
             } else {
                 System.out.print(id.toString() + ", ");
             }
         }
     }
     System.out.println();
 }
 // snippet-end:[rekognition.java2.detect_ppe.main]
}
    AWS CLI

    This AWS CLI command requests a PPE summary and displays the JSON output for the detect-protective-equipment CLI operation.

    Change amzn-s3-demo-bucket to the name of an Amazon S3 bucket that contains an image. Change input.jpg to the name of the image that you want to use.

    aws rekognition detect-protective-equipment \
  --image "S3Object={Bucket=amzn-s3-demo-bucket,Name=input.jpg}" \
  --summarization-attributes "MinConfidence=80,RequiredEquipmentTypes=['FACE_COVER','HAND_COVER','HEAD_COVER']"

    This AWS CLI command displays the JSON output for the detect-protective-equipment CLI operation.

    Change amzn-s3-demo-bucket to the name of an Amazon S3 bucket that contains an image. Change input.jpg to the name of the image that you want to use.

    aws rekognition detect-protective-equipment \
  --image "S3Object={Bucket=amzn-s3-demo-bucket,Name=input.jpg}"
    Python

    This example displays information about the PPE items detected on persons detected in an image.

    Change the value of amzn-s3-demo-bucket to the name of the Amazon S3 bucket that contains your image. Change the value of photo to your image file name. Replace the value of profile_name in the line that creates the Rekognition session with the name of your developer profile. 

    # Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
# PDX-License-Identifier: MIT-0 (For details, see https://github.com/awsdocs/amazon-rekognition-developer-guide/blob/master/LICENSE-SAMPLECODE.)

import boto3

def detect_ppe(photo, bucket):

    session = boto3.Session(profile_name='profile-name')
    client = session.client('rekognition')

    response = client.detect_protective_equipment(Image={'S3Object': {'Bucket': bucket, 'Name': photo}},
                                                  SummarizationAttributes={'MinConfidence': 80,
                                                                           'RequiredEquipmentTypes': ['FACE_COVER',
                                                                                                      'HAND_COVER',
                                                                                                      'HEAD_COVER']})

    print('Detected PPE for people in image ' + photo)
    print('\nDetected people\n---------------')
    for person in response['Persons']:

        print('Person ID: ' + str(person['Id']))
        print('Body Parts\n----------')
        body_parts = person['BodyParts']
        if len(body_parts) == 0:
            print('No body parts found')
        else:
            for body_part in body_parts:
                print('\t' + body_part['Name'] + '\n\t\tConfidence: ' + str(body_part['Confidence']))
                print('\n\t\tDetected PPE\n\t\t------------')
                ppe_items = body_part['EquipmentDetections']
                if len(ppe_items) == 0:
                    print('\t\tNo PPE detected on ' + body_part['Name'])
                else:
                    for ppe_item in ppe_items:
                        print('\t\t' + ppe_item['Type'] + '\n\t\t\tConfidence: ' + str(ppe_item['Confidence']))
                        print('\t\tCovers body part: ' + str(
                            ppe_item['CoversBodyPart']['Value']) + '\n\t\t\tConfidence: ' + str(
                            ppe_item['CoversBodyPart']['Confidence']))
                        print('\t\tBounding Box:')
                        print('\t\t\tTop: ' + str(ppe_item['BoundingBox']['Top']))
                        print('\t\t\tLeft: ' + str(ppe_item['BoundingBox']['Left']))
                        print('\t\t\tWidth: ' + str(ppe_item['BoundingBox']['Width']))
                        print('\t\t\tHeight: ' + str(ppe_item['BoundingBox']['Height']))
                        print('\t\t\tConfidence: ' + str(ppe_item['Confidence']))
            print()
        print()

    print('Person ID Summary\n----------------')
    display_summary('With required equipment', response['Summary']['PersonsWithRequiredEquipment'])
    display_summary('Without required equipment', response['Summary']['PersonsWithoutRequiredEquipment'])
    display_summary('Indeterminate', response['Summary']['PersonsIndeterminate'])

    print()
    return len(response['Persons'])

# Display summary information for supplied summary.
def display_summary(summary_type, summary):
    print(summary_type + '\n\tIDs: ', end='')
    if (len(summary) == 0):
        print('None')
    else:
        for num, id in enumerate(summary, start=0):
            if num == len(summary) - 1:
                print(id)
            else:
                print(str(id) + ', ', end='')

def main():
    photo = 'photo-name'
    bucket = 'amzn-s3-demo-bucket'
    person_count = detect_ppe(photo, bucket)
    print("Persons detected: " + str(person_count))

if __name__ == "__main__":
    main()
    anchoranchoranchoranchor

    This example displays information about the PPE items detected on persons detected in an image.

    Change the value of amzn-s3-demo-bucket to the name of the Amazon S3 bucket that contains your image. Change the value of photo to your image file name.

    //Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
//PDX-License-Identifier: MIT-0 (For details, see https://github.com/awsdocs/amazon-rekognition-developer-guide/blob/master/LICENSE-SAMPLECODE.)

package com.amazonaws.samples;
import com.amazonaws.client.builder.AwsClientBuilder;
import com.amazonaws.services.rekognition.AmazonRekognition;
import com.amazonaws.services.rekognition.AmazonRekognitionClientBuilder;
import com.amazonaws.services.rekognition.model.AmazonRekognitionException;
import com.amazonaws.services.rekognition.model.Image;
import com.amazonaws.services.rekognition.model.ProtectiveEquipmentBodyPart;
import com.amazonaws.services.rekognition.model.S3Object;
import com.amazonaws.services.rekognition.model.ProtectiveEquipmentPerson;
import com.amazonaws.services.rekognition.model.ProtectiveEquipmentSummarizationAttributes;

import java.util.List;
import com.amazonaws.services.rekognition.model.BoundingBox;
import com.amazonaws.services.rekognition.model.DetectProtectiveEquipmentRequest;
import com.amazonaws.services.rekognition.model.DetectProtectiveEquipmentResult;
import com.amazonaws.services.rekognition.model.EquipmentDetection;


public class DetectPPE {

    public static void main(String[] args) throws Exception {

        String photo = "photo";
        String bucket = "bucket";


        AmazonRekognition rekognitionClient = AmazonRekognitionClientBuilder.defaultClient();
        
        ProtectiveEquipmentSummarizationAttributes summaryAttributes = new ProtectiveEquipmentSummarizationAttributes()
                .withMinConfidence(80F)
                .withRequiredEquipmentTypes("FACE_COVER", "HAND_COVER", "HEAD_COVER");
                
        DetectProtectiveEquipmentRequest request = new DetectProtectiveEquipmentRequest()
                .withImage(new Image()
                        .withS3Object(new S3Object()
                                .withName(photo).withBucket(bucket)))
                .withSummarizationAttributes(summaryAttributes);

        try {
            System.out.println("Detected PPE for people in image " + photo);
            System.out.println("Detected people\n---------------");
            DetectProtectiveEquipmentResult result = rekognitionClient.detectProtectiveEquipment(request);


            List <ProtectiveEquipmentPerson> persons = result.getPersons();


            for (ProtectiveEquipmentPerson person: persons) {
                System.out.println("ID: " + person.getId());
                List<ProtectiveEquipmentBodyPart> bodyParts=person.getBodyParts();
                if (bodyParts.isEmpty()){
                    System.out.println("\tNo body parts detected");
                } else
                    for (ProtectiveEquipmentBodyPart bodyPart: bodyParts) {
                        System.out.println("\t" + bodyPart.getName() + ". Confidence: " + bodyPart.getConfidence().toString());



                        List<EquipmentDetection> equipmentDetections=bodyPart.getEquipmentDetections();

                        if (equipmentDetections.isEmpty()){
                            System.out.println("\t\tNo PPE Detected on " + bodyPart.getName());

                        } 
                        else {
                            for (EquipmentDetection item: equipmentDetections) {
                                System.out.println("\t\tItem: " + item.getType() + ". Confidence: " + item.getConfidence().toString());
                                System.out.println("\t\tCovers body part: " 
                                        + item.getCoversBodyPart().getValue().toString() + ". Confidence: " + item.getCoversBodyPart().getConfidence().toString());

                                System.out.println("\t\tBounding Box");
                                BoundingBox box =item.getBoundingBox();

                                System.out.println("\t\tLeft: " +box.getLeft().toString());
                                System.out.println("\t\tTop: " + box.getTop().toString());
                                System.out.println("\t\tWidth: " + box.getWidth().toString());
                                System.out.println("\t\tHeight: " + box.getHeight().toString());
                                System.out.println("\t\tConfidence: " + item.getConfidence().toString());
                                System.out.println();
                            }
                        }

                    }
            }
            System.out.println("Person ID Summary\n-----------------");
            
            //List<Integer> list=;
            DisplaySummary("With required equipment", result.getSummary().getPersonsWithRequiredEquipment());
            DisplaySummary("Without required equipment", result.getSummary().getPersonsWithoutRequiredEquipment());
            DisplaySummary("Indeterminate", result.getSummary().getPersonsIndeterminate());         
       
            
        } catch(AmazonRekognitionException e) {
            e.printStackTrace();
        }
    }
    static void DisplaySummary(String summaryType,List<Integer> idList)
    {
        System.out.print(summaryType + "\n\tIDs  ");
        if (idList.size()==0) {
            System.out.println("None");
        }
        else {
            int count=0;
            for (Integer id: idList ) { 
                if (count++ == idList.size()-1) {
                    System.out.println(id.toString());
                }
                else {
                    System.out.print(id.toString() + ", ");
                }
            }
        }
                    
        System.out.println();
        
    
    }
}
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