/* * Copyright 2010-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * 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 * * or in the "license" file accompanying this file. 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 com.amazonaws.services.rekognition; import com.amazonaws.*; import com.amazonaws.regions.*; import com.amazonaws.services.rekognition.model.*; /** * Interface for accessing Amazon Rekognition * <p> * This is Amazon Rekognition API guide. * </p> **/ public interface AmazonRekognition { /** * Overrides the default endpoint for this client * ("https://rekognition.us-east-1.amazonaws.com"). Callers can use this * method to control which AWS region they want to work with. * <p> * Callers can pass in just the endpoint (ex: * "rekognition.us-east-1.amazonaws.com") or a full URL, including the * protocol (ex: "https://rekognition.us-east-1.amazonaws.com"). If the * protocol is not specified here, the default protocol from this client's * {@link ClientConfiguration} will be used, which by default is HTTPS. * <p> * For more information on using AWS regions with the AWS SDK for Java, and * a complete list of all available endpoints for all AWS services, see: <a * href= * "http://developer.amazonwebservices.com/connect/entry.jspa?externalID=3912" * > http://developer.amazonwebservices.com/connect/entry.jspa?externalID= * 3912</a> * <p> * <b>This method is not threadsafe. An endpoint should be configured when * the client is created and before any service requests are made. Changing * it afterwards creates inevitable race conditions for any service requests * in transit or retrying.</b> * * @param endpoint The endpoint (ex: "rekognition.us-east-1.amazonaws.com") * or a full URL, including the protocol (ex: * "https://rekognition.us-east-1.amazonaws.com") of the region * specific AWS endpoint this client will communicate with. * @throws IllegalArgumentException If any problems are detected with the * specified endpoint. */ public void setEndpoint(String endpoint) throws java.lang.IllegalArgumentException; /** * An alternative to {@link AmazonRekognition#setEndpoint(String)}, sets the * regional endpoint for this client's service calls. Callers can use this * method to control which AWS region they want to work with. * <p> * By default, all service endpoints in all regions use the https protocol. * To use http instead, specify it in the {@link ClientConfiguration} * supplied at construction. * <p> * <b>This method is not threadsafe. A region should be configured when the * client is created and before any service requests are made. Changing it * afterwards creates inevitable race conditions for any service requests in * transit or retrying.</b> * * @param region The region this client will communicate with. See * {@link Region#getRegion(com.amazonaws.regions.Regions)} for * accessing a given region. * @throws java.lang.IllegalArgumentException If the given region is null, * or if this service isn't available in the given region. See * {@link Region#isServiceSupported(String)} * @see Region#getRegion(com.amazonaws.regions.Regions) * @see Region#createClient(Class, * com.amazonaws.auth.AWSCredentialsProvider, ClientConfiguration) */ public void setRegion(Region region) throws java.lang.IllegalArgumentException; /** * <p> * Compares a face in the <i>source</i> input image with each face detected * in the <i>target</i> input image. * </p> * <note> * <p> * If the source image contains multiple faces, the service detects the * largest face and uses it to compare with each face detected in the target * image. * </p> * </note> * <p> * In response, the operation returns an array of face matches ordered by * similarity score with the highest similarity scores first. For each face * match, the response provides a bounding box of the face and * <code>confidence</code> value (indicating the level of confidence that * the bounding box contains a face). The response also provides a * <code>similarity</code> score, which indicates how closely the faces * match. * </p> * <note> * <p> * By default, only faces with the similarity score of greater than or equal * to 80% are returned in the response. You can change this value. * </p> * </note> * <p> * In addition to the face matches, the response returns information about * the face in the source image, including the bounding box of the face and * confidence value. * </p> * <note> * <p> * This is a stateless API operation. That is, the operation does not * persist any data. * </p> * </note> * <p> * For an example, see <a>get-started-exercise-compare-faces</a> * </p> * <p> * This operation requires permissions to perform the * <code>rekognition:CompareFaces</code> action. * </p> * * @param compareFacesRequest * @return compareFacesResult The response from the CompareFaces service * method, as returned by Amazon Rekognition. * @throws InvalidParameterException * @throws InvalidS3ObjectException * @throws ImageTooLargeException * @throws AccessDeniedException * @throws InternalServerErrorException * @throws ThrottlingException * @throws ProvisionedThroughputExceededException * @throws InvalidImageFormatException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * Rekognition indicating either a problem with the data in the * request, or a server side issue. */ CompareFacesResult compareFaces(CompareFacesRequest compareFacesRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Creates a collection in an AWS region. You can add faces to the * collection using the operation. * </p> * <p> * For example, you might create collections, one for each of your * application users. A user can then index faces using the * <code>IndexFaces</code> operation and persist results in a specific * collection. Then, a user can search the collection for faces in the * user-specific container. * </p> * <p> * For an example, see <a>example1</a>. * </p> * <p> * This operation requires permissions to perform the * <code>rekognition:CreateCollection</code> action. * </p> * * @param createCollectionRequest * @return createCollectionResult The response from the CreateCollection * service method, as returned by Amazon Rekognition. * @throws InvalidParameterException * @throws AccessDeniedException * @throws InternalServerErrorException * @throws ThrottlingException * @throws ProvisionedThroughputExceededException * @throws ResourceAlreadyExistsException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * Rekognition indicating either a problem with the data in the * request, or a server side issue. */ CreateCollectionResult createCollection(CreateCollectionRequest createCollectionRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Deletes the specified collection. Note that this operation removes all * faces in the collection. For an example, see <a>example1</a>. * </p> * <p> * This operation requires permissions to perform the * <code>rekognition:DeleteCollection</code> action. * </p> * * @param deleteCollectionRequest * @return deleteCollectionResult The response from the DeleteCollection * service method, as returned by Amazon Rekognition. * @throws InvalidParameterException * @throws AccessDeniedException * @throws InternalServerErrorException * @throws ThrottlingException * @throws ProvisionedThroughputExceededException * @throws ResourceNotFoundException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * Rekognition indicating either a problem with the data in the * request, or a server side issue. */ DeleteCollectionResult deleteCollection(DeleteCollectionRequest deleteCollectionRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Deletes faces from a collection. You specify a collection ID and an array * of face IDs to remove from the collection. * </p> * <p> * This operation requires permissions to perform the * <code>rekognition:DeleteFaces</code> action. * </p> * * @param deleteFacesRequest * @return deleteFacesResult The response from the DeleteFaces service * method, as returned by Amazon Rekognition. * @throws InvalidParameterException * @throws AccessDeniedException * @throws InternalServerErrorException * @throws ThrottlingException * @throws ProvisionedThroughputExceededException * @throws ResourceNotFoundException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * Rekognition indicating either a problem with the data in the * request, or a server side issue. */ DeleteFacesResult deleteFaces(DeleteFacesRequest deleteFacesRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Detects faces within an image (JPEG or PNG) that is provided as input. * </p> * <p> * For each face detected, the operation returns face details including a * bounding box of the face, a confidence value (that the bounding box * contains a face), and a fixed set of attributes such as facial landmarks * (for example, coordinates of eye and mouth), gender, presence of beard, * sunglasses, etc. * </p> * <p> * The face-detection algorithm is most effective on frontal faces. For * non-frontal or obscured faces, the algorithm may not detect the faces or * might detect faces with lower confidence. * </p> * <note> * <p> * This is a stateless API operation. That is, the operation does not * persist any data. * </p> * </note> * <p> * For an example, see <a>get-started-exercise-detect-faces</a>. * </p> * <p> * This operation requires permissions to perform the * <code>rekognition:DetectFaces</code> action. * </p> * * @param detectFacesRequest * @return detectFacesResult The response from the DetectFaces service * method, as returned by Amazon Rekognition. * @throws InvalidS3ObjectException * @throws InvalidParameterException * @throws ImageTooLargeException * @throws AccessDeniedException * @throws InternalServerErrorException * @throws ThrottlingException * @throws ProvisionedThroughputExceededException * @throws InvalidImageFormatException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * Rekognition indicating either a problem with the data in the * request, or a server side issue. */ DetectFacesResult detectFaces(DetectFacesRequest detectFacesRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Detects instances of real-world labels within an image (JPEG or PNG) * provided as input. This includes objects like flower, tree, and table; * events like wedding, graduation, and birthday party; and concepts like * landscape, evening, and nature. For an example, see * <a>get-started-exercise-detect-labels</a>. * </p> * <p> * For each object, scene, and concept the API returns one or more labels. * Each label provides the object name, and the level of confidence that the * image contains the object. For example, suppose the input image has a * lighthouse, the sea, and a rock. The response will include all three * labels, one for each object. * </p> * <p> * <code>{Name: lighthouse, Confidence: 98.4629}</code> * </p> * <p> * <code>{Name: rock,Confidence: 79.2097}</code> * </p> * <p> * <code> {Name: sea,Confidence: 75.061}</code> * </p> * <p> * In the preceding example, the operation returns one label for each of the * three objects. The operation can also return multiple labels for the same * object in the image. For example, if the input image shows a flower (for * example, a tulip), the operation might return the following three labels. * </p> * <p> * <code>{Name: flower,Confidence: 99.0562}</code> * </p> * <p> * <code>{Name: plant,Confidence: 99.0562}</code> * </p> * <p> * <code>{Name: tulip,Confidence: 99.0562}</code> * </p> * <p> * In this example, the detection algorithm more precisely identifies the * flower as a tulip. * </p> * <p> * You can provide the input image as an S3 object or as base64-encoded * bytes. In response, the API returns an array of labels. In addition, the * response also includes the orientation correction. Optionally, you can * specify <code>MinConfidence</code> to control the confidence threshold * for the labels returned. The default is 50%. You can also add the * <code>MaxLabels</code> parameter to limit the number of labels returned. * </p> * <note> * <p> * If the object detected is a person, the operation doesn't provide the * same facial details that the <a>DetectFaces</a> operation provides. * </p> * </note> * <p> * This is a stateless API operation. That is, the operation does not * persist any data. * </p> * <p> * This operation requires permissions to perform the * <code>rekognition:DetectLabels</code> action. * </p> * * @param detectLabelsRequest * @return detectLabelsResult The response from the DetectLabels service * method, as returned by Amazon Rekognition. * @throws InvalidS3ObjectException * @throws InvalidParameterException * @throws ImageTooLargeException * @throws AccessDeniedException * @throws InternalServerErrorException * @throws ThrottlingException * @throws ProvisionedThroughputExceededException * @throws InvalidImageFormatException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * Rekognition indicating either a problem with the data in the * request, or a server side issue. */ DetectLabelsResult detectLabels(DetectLabelsRequest detectLabelsRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Detects faces in the input image and adds them to the specified * collection. * </p> * <p> * Amazon Rekognition does not save the actual faces detected. Instead, the * underlying detection algorithm first detects the faces in the input * image, and for each face extracts facial features into a feature vector, * and stores it in the back-end database. Amazon Rekognition uses feature * vectors when performing face match and search operations using the and * operations. * </p> * <p> * If you provide the optional <code>externalImageID</code> for the input * image you provided, Amazon Rekognition associates this ID with all faces * that it detects. When you call the operation, the response returns the * external ID. You can use this external image ID to create a client-side * index to associate the faces with each image. You can then use the index * to find all faces in an image. * </p> * <p> * In response, the operation returns an array of metadata for all detected * faces. This includes, the bounding box of the detected face, confidence * value (indicating the bounding box contains a face), a face ID assigned * by the service for each face that is detected and stored, and an image ID * assigned by the service for the input image If you request all facial * attributes (using the <code>detectionAttributes</code> parameter, * Rekognition returns detailed facial attributes such as facial landmarks * (for example, location of eye and mount) and other facial attributes such * gender. If you provide the same image, specify the same collection, and * use the same external ID in the <code>IndexFaces</code> operation, * Rekognition doesn't save duplicate face metadata. * </p> * <p> * For an example, see <a>example2</a>. * </p> * <p> * This operation requires permissions to perform the * <code>rekognition:IndexFaces</code> action. * </p> * * @param indexFacesRequest * @return indexFacesResult The response from the IndexFaces service method, * as returned by Amazon Rekognition. * @throws InvalidS3ObjectException * @throws InvalidParameterException * @throws ImageTooLargeException * @throws AccessDeniedException * @throws InternalServerErrorException * @throws ThrottlingException * @throws ProvisionedThroughputExceededException * @throws ResourceNotFoundException * @throws InvalidImageFormatException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * Rekognition indicating either a problem with the data in the * request, or a server side issue. */ IndexFacesResult indexFaces(IndexFacesRequest indexFacesRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Returns list of collection IDs in your account. If the result is * truncated, the response also provides a <code>NextToken</code> that you * can use in the subsequent request to fetch the next set of collection * IDs. * </p> * <p> * For an example, see <a>example1</a>. * </p> * <p> * This operation requires permissions to perform the * <code>rekognition:ListCollections</code> action. * </p> * * @param listCollectionsRequest * @return listCollectionsResult The response from the ListCollections * service method, as returned by Amazon Rekognition. * @throws InvalidParameterException * @throws AccessDeniedException * @throws InternalServerErrorException * @throws ThrottlingException * @throws ProvisionedThroughputExceededException * @throws InvalidPaginationTokenException * @throws ResourceNotFoundException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * Rekognition indicating either a problem with the data in the * request, or a server side issue. */ ListCollectionsResult listCollections(ListCollectionsRequest listCollectionsRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * Returns metadata for faces in the specified collection. This metadata * includes information such as the bounding box coordinates, the confidence * (that the bounding box contains a face), and face ID. For an example, see * <a>example3</a>. * </p> * <p> * This operation requires permissions to perform the * <code>rekognition:ListFaces</code> action. * </p> * * @param listFacesRequest * @return listFacesResult The response from the ListFaces service method, * as returned by Amazon Rekognition. * @throws InvalidParameterException * @throws AccessDeniedException * @throws InternalServerErrorException * @throws ThrottlingException * @throws ProvisionedThroughputExceededException * @throws InvalidPaginationTokenException * @throws ResourceNotFoundException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * Rekognition indicating either a problem with the data in the * request, or a server side issue. */ ListFacesResult listFaces(ListFacesRequest listFacesRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * For a given input face ID, searches the specified collection for matching * faces. You get a face ID when you add a face to the collection using the * <a>IndexFaces</a> operation. The operation compares the features of the * input face with faces in the specified collection. * </p> * <note> * <p> * You can also search faces without indexing faces by using the * <code>SearchFacesByImage</code> operation. * </p> * </note> * <p> * The operation response returns an array of faces that match, ordered by * similarity score with the highest similarity first. More specifically, it * is an array of metadata for each face match that is found. Along with the * metadata, the response also includes a <code>confidence</code> value for * each face match, indicating the confidence that the specific face matches * the input face. * </p> * <p> * For an example, see <a>example3</a>. * </p> * <p> * This operation requires permissions to perform the * <code>rekognition:SearchFaces</code> action. * </p> * * @param searchFacesRequest * @return searchFacesResult The response from the SearchFaces service * method, as returned by Amazon Rekognition. * @throws InvalidParameterException * @throws AccessDeniedException * @throws InternalServerErrorException * @throws ThrottlingException * @throws ProvisionedThroughputExceededException * @throws ResourceNotFoundException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * Rekognition indicating either a problem with the data in the * request, or a server side issue. */ SearchFacesResult searchFaces(SearchFacesRequest searchFacesRequest) throws AmazonClientException, AmazonServiceException; /** * <p> * For a given input image, first detects the largest face in the image, and * then searches the specified collection for matching faces. The operation * compares the features of the input face with faces in the specified * collection. * </p> * <note> * <p> * To search for all faces in an input image, you might first call the API, * and then use the face IDs returned in subsequent calls to the API. * </p> * <p> * You can also call the <code>DetectFaces</code> API and use the bounding * boxes in the response to make face crops, which then you can pass in to * the <code>SearchFacesByImage</code> API. * </p> * </note> * <p> * The response returns an array of faces that match, ordered by similarity * score with the highest similarity first. More specifically, it is an * array of metadata for each face match found. Along with the metadata, the * response also includes a <code>similarity</code> indicating how similar * the face is to the input face. In the response, the API also returns the * bounding box (and a confidence level that the bounding box contains a * face) of the face that Rekognition used for the input image. * </p> * <p> * For an example, see <a>example3</a>. * </p> * <p> * This operation requires permissions to perform the * <code>rekognition:SearchFacesByImage</code> action. * </p> * * @param searchFacesByImageRequest * @return searchFacesByImageResult The response from the SearchFacesByImage * service method, as returned by Amazon Rekognition. * @throws InvalidS3ObjectException * @throws InvalidParameterException * @throws ImageTooLargeException * @throws AccessDeniedException * @throws InternalServerErrorException * @throws ThrottlingException * @throws ProvisionedThroughputExceededException * @throws ResourceNotFoundException * @throws InvalidImageFormatException * @throws AmazonClientException If any internal errors are encountered * inside the client while attempting to make the request or * handle the response. For example if a network connection is * not available. * @throws AmazonServiceException If an error response is returned by Amazon * Rekognition indicating either a problem with the data in the * request, or a server side issue. */ SearchFacesByImageResult searchFacesByImage(SearchFacesByImageRequest searchFacesByImageRequest) throws AmazonClientException, AmazonServiceException; /** * Shuts down this client object, releasing any resources that might be held * open. This is an optional method, and callers are not expected to call * it, but can if they want to explicitly release any open resources. Once a * client has been shutdown, it should not be used to make any more * requests. */ public void shutdown(); /** * Returns additional metadata for a previously executed successful request, * typically used for debugging issues where a service isn't acting as * expected. This data isn't considered part of the result data returned by * an operation, so it's available through this separate, diagnostic * interface. * <p> * Response metadata is only cached for a limited period of time, so if you * need to access this extra diagnostic information for an executed request, * you should use this method to retrieve it as soon as possible after * executing a request. * * @param request The originally executed request. * @return The response metadata for the specified request, or null if none * is available. */ public ResponseMetadata getCachedResponseMetadata(AmazonWebServiceRequest request); }