阿里云人脸搜索最佳实践
发布时间：2021-12-02 点击数：700
Step By Step
1、pom.xml
<dependencies>
<!--添加oss相关依赖--> <dependency> <groupId>com.aliyun.oss</groupId> <artifactId>aliyun-sdk-oss</artifactId> <version>3.10.2</version> </dependency> <!--java核心库--> <dependency> <groupId>com.aliyun</groupId> <artifactId>aliyun-java-sdk-core</artifactId> <version>4.4.8</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.52</version> </dependency> <!-- 人脸识别相关API --> <dependency> <groupId>com.aliyun</groupId> <artifactId>aliyun-java-sdk-facebody</artifactId> <version>1.0.8</version> </dependency> </dependencies>
2、完整的Java Code Sample
import com.aliyun.oss.OSS; import com.aliyun.oss.OSSClientBuilder; import com.aliyun.oss.model.CannedAccessControlList; import com.aliyun.oss.model.ObjectMetadata; import com.aliyun.oss.model.PutObjectRequest; import com.aliyuncs.DefaultAcsClient; import com.aliyuncs.IAcsClient; import com.aliyuncs.exceptions.ClientException; import com.aliyuncs.exceptions.ServerException; import com.aliyuncs.profile.DefaultProfile; import com.google.gson.Gson; import com.aliyuncs.facebody.model.v20191230.*; import java.io.File;
public class SearchFaceDemo { // yourEndpoint填写Bucket所在地域对应的Endpoint。viapi绝大部分api目前仅支持上海区域oss，所以这里需要创建上海区域bucket，Endpoint填写为https://oss-cn-shanghai.aliyuncs.com。 static String ossEndpoint = "https://oss-cn-shanghai.aliyuncs.com"; static String bucketName = "<oss bucket>"; static String ossDir = "facepics"; // 在oss bucket下面手动创建的文件夹 // 阿里云账号AccessKey拥有所有API的访问权限，风险很高。强烈建议您创建并使用RAM用户进行API访问或日常运维，请登录RAM控制台创建RAM用户。 static String accessKeyId = "<ak>"; static String accessKeySecret = "<sk>"; // 创建OSSClient实例。 static OSS ossClient = new OSSClientBuilder().build(ossEndpoint, accessKeyId, accessKeySecret);
private static DefaultProfile profile = DefaultProfile.getProfile("cn-shanghai", accessKeyId, accessKeySecret);
private static IAcsClient client = new DefaultAcsClient(profile);
public static void main(String[] args) { // 1、人脸查找数据准备 String dbName = "group1"; String wangfei1 = "C:\\Users\\Administrator\\Desktop\\新建文件夹\\face1.jpg"; String wangfei2 = "C:\\Users\\Administrator\\Desktop\\新建文件夹\\face2.jpg"; String jingtian1 = "C:\\Users\\Administrator\\Desktop\\新建文件夹\\jingtian1.jpeg"; String jingtian2 = "C:\\Users\\Administrator\\Desktop\\新建文件夹\\jingtian2.jpeg"; // 2、创建FaceDB // createFaceDbRequest(dbName); // 3、添加人脸样本 // String entityId1 = "wangfei"; // String entityId2 = "jingtian"; // // addFaceEntity(dbName, entityId1); // addFaceEntity(dbName, entityId2); // 4、为样本添加人脸图片，注意本部分将图片url地址添加到：ExtraData参数 // addFace(dbName,entityId1,uploadPicGetUrl(wangfei1)); // addFace(dbName,entityId1,uploadPicGetUrl(wangfei2)); // addFace(dbName,entityId2,uploadPicGetUrl(jingtian1)); // addFace(dbName,entityId2,uploadPicGetUrl(jingtian2)); // 5、查询目前人脸库的样本情况 // listFaceEntities(dbName, 0); // 6、人脸搜索(人脸搜索功能可以根据输入图片，在数据库中搜索并返回相似的人脸图片数据。) searchFace(dbName,uploadPicGetUrl(wangfei1),2);
} /**
* 向oss上传文件，返回公共可读的oss 图片地址
* @param filePath 图片本地路径
* @return oss url
*/ public static String uploadPicGetUrl(String filePath)
{ // 创建PutObjectRequest对象。 // 依次填写Bucket名称（例如examplebucket）、Object完整路径（例如exampledir/exampleobject.txt）和本地文件的完整路径。Object完整路径中不能包含Bucket名称。 // 如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件，这里在ossbucket下面创建目录facepics用于存储上传的图片 File file = new File(filePath);
PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, ossDir+"/" + file.getName(), new File(filePath)); // 如果需要上传时设置存储类型和访问权限，请参考以下示例代码。 ObjectMetadata metadata = new ObjectMetadata(); // metadata.setHeader(OSSHeaders.OSS_STORAGE_CLASS, StorageClass.Standard.toString()); metadata.setObjectAcl(CannedAccessControlList.PublicRead); //为了方便获取的文件的公网读路径，这里设置文件的访问权限为公共读 putObjectRequest.setMetadata(metadata); // 上传文件。 ossClient.putObject(putObjectRequest); return "https://" + bucketName + ".oss-cn-shanghai.aliyuncs.com" + "/"+ossDir+"/" + file.getName();
} /**
* 创建人脸数据库
* @param dbName 数据库名称
*/ private static void createFaceDbRequest(String dbName)
{
CreateFaceDbRequest createFaceDbRequest = new CreateFaceDbRequest();
createFaceDbRequest.setName(dbName); try {
CreateFaceDbResponse response = client.getAcsResponse(createFaceDbRequest);
System.out.println("创建人脸数据库：");
System.out.println(new Gson().toJson(response));
} catch (ServerException e) {
e.printStackTrace();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
}
} /**
* 查看数据库列表
*/ private static void listFaceDbs()
{
ListFaceDbsRequest listFaceDbsRequest = new ListFaceDbsRequest(); try {
ListFaceDbsResponse response = client.getAcsResponse(listFaceDbsRequest);
System.out.println("查看数据库列表: ");
System.out.println(new Gson().toJson(response));
} catch (ServerException e) {
e.printStackTrace();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
}
} /**
* 添加人脸样本
* @param dbName 数据库名称
* @param entityId 实体ID
*/ private static void addFaceEntity(String dbName, String entityId)
{
AddFaceEntityRequest addFaceEntityRequest = new AddFaceEntityRequest();
addFaceEntityRequest.setDbName(dbName);
addFaceEntityRequest.setEntityId(entityId); try{
AddFaceEntityResponse addFaceEntityResponse = client.getAcsResponse(addFaceEntityRequest);
System.out.println("添加人脸样本：");
System.out.println(new Gson().toJson(addFaceEntityResponse));
} catch (ServerException e) {
e.printStackTrace();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
}
} /**
* 查询人脸样本
* @param dbName 数据库名称
* @param entityId 实体ID
*/ private static void getFaceEntity(String dbName, String entityId)
{
GetFaceEntityRequest getFaceEntityRequest = new GetFaceEntityRequest();
getFaceEntityRequest.setDbName(dbName);
getFaceEntityRequest.setEntityId(entityId); try{
GetFaceEntityResponse getFaceEntityResponse = client.getAcsResponse(getFaceEntityRequest);
System.out.println("查询人脸样本：");
System.out.println(new Gson().toJson(getFaceEntityResponse));
} catch (ServerException e) {
e.printStackTrace();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
}
} /**
* 查询人脸样本列表
* @param dbName 数据库名称
* @param Offset 起始记录
*/ private static void listFaceEntities(String dbName, Integer Offset)
{
ListFaceEntitiesRequest listFaceEntitiesRequest = new ListFaceEntitiesRequest();
listFaceEntitiesRequest.setDbName(dbName);
listFaceEntitiesRequest.setOffset(Offset); try{
ListFaceEntitiesResponse listFaceEntitiesResponse = client.getAcsResponse(listFaceEntitiesRequest);
System.out.println("查询人脸样本列表：");
System.out.println(new Gson().toJson(listFaceEntitiesResponse));
} catch (ServerException e) {
e.printStackTrace();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
}
} /**
* 更新人脸样本
* @param dbName 数据库名称
* @param entityId 实体ID
* @param labels 标签名称
*/ private static void updateFaceEntity(String dbName, String entityId, String labels)
{
UpdateFaceEntityRequest updateFaceEntityRequest = new UpdateFaceEntityRequest();
updateFaceEntityRequest.setDbName(dbName);
updateFaceEntityRequest.setEntityId(entityId);
updateFaceEntityRequest.setLabels(labels); try{
UpdateFaceEntityResponse updateFaceEntityResponse = client.getAcsResponse(updateFaceEntityRequest);
System.out.println("更新人脸样本：");
System.out.println(new Gson().toJson(updateFaceEntityResponse));
} catch (ServerException e) {
e.printStackTrace();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
}
} /**
* 删除人脸样本
* @param dbName 数据库名称
* @param entityId 实体ID
*/ private static void deleteFaceEntity(String dbName, String entityId)
{
DeleteFaceEntityRequest deleteFaceEntityRequest = new DeleteFaceEntityRequest();
deleteFaceEntityRequest.setDbName(dbName);
deleteFaceEntityRequest.setEntityId(entityId); try{
DeleteFaceEntityResponse deleteFaceEntityResponse = client.getAcsResponse(deleteFaceEntityRequest);
System.out.println("删除人脸样本：");
System.out.println(new Gson().toJson(deleteFaceEntityResponse));
} catch (ServerException e) {
e.printStackTrace();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
}
} /**
* 添加人脸数据
* @param dbName 数据库名称
* @param entityId 实体ID
* @param imageUrl 人脸图片地址，必须是同Region的OSS的图片地址。人脸必须是正面无遮挡单人人脸。
*/ private static void addFace(String dbName, String entityId, String imageUrl)
{
AddFaceRequest addFaceRequest = new AddFaceRequest();
addFaceRequest.setDbName(dbName);
addFaceRequest.setEntityId(entityId);
addFaceRequest.setImageUrl(imageUrl);
addFaceRequest.setExtraData(imageUrl);// 注意，此处将图片地址保持到ExtraData中，为后续查询提供方便 try{
AddFaceResponse addFaceResponse = client.getAcsResponse(addFaceRequest);
System.out.println("添加人脸数据：");
System.out.println(new Gson().toJson(addFaceResponse));
} catch (ServerException e) {
e.printStackTrace();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
}
} /**
* 搜索人脸
* @param dbName 数据库名称
* @param imageUrl 图片URL地址。必须是同Region的OSS地址。
*/ private static void searchFace(String dbName, String imageUrl, Integer limit)
{
SearchFaceRequest searchFaceRequest = new SearchFaceRequest();
searchFaceRequest.setDbName(dbName);
searchFaceRequest.setImageUrl(imageUrl);
searchFaceRequest.setLimit(limit); try{
SearchFaceResponse searchFaceResponse = client.getAcsResponse(searchFaceRequest);
System.out.println("搜索人脸：");
System.out.println(new Gson().toJson(searchFaceResponse));
} catch (ServerException e) {
e.printStackTrace();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
}
} /**
* 删除数据库
* @param dbName 数据库名称
*/ private static void deleteFace(String dbName, String faceId)
{
DeleteFaceRequest deleteFaceRequest = new DeleteFaceRequest();
deleteFaceRequest.setDbName(dbName);
deleteFaceRequest.setFaceId(faceId); try{
DeleteFaceResponse deleteFaceResponse = client.getAcsResponse(deleteFaceRequest);
System.out.println("删除人脸：");
System.out.println(new Gson().toJson(deleteFaceResponse));
} catch (ServerException e) {
e.printStackTrace();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
}
} /**
* 删除数据库
* @param dbName 数据库名称
*/ private static void deleteFaceDb(String dbName)
{
DeleteFaceDbRequest deleteFaceDbRequest = new DeleteFaceDbRequest();
deleteFaceDbRequest.setName(dbName); try{
DeleteFaceDbResponse deleteFaceDbResponse = client.getAcsResponse(deleteFaceDbRequest);
System.out.println("删除数据库：");
System.out.println(new Gson().toJson(deleteFaceDbResponse));
} catch (ServerException e) {
e.printStackTrace();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
}
} /**
* 人脸对比
* @param imageURLA 待对比图片URL地址A
* @param imageURLB 待对比图片URL地址B
*/ private static void compareFace(String imageURLA, String imageURLB)
{
CompareFaceRequest compareFaceRequest = new CompareFaceRequest();
compareFaceRequest.setImageURLA(imageURLA);
compareFaceRequest.setImageURLB(imageURLB); try{
CompareFaceResponse compareFaceResponse = client.getAcsResponse(compareFaceRequest);
System.out.println("人脸对比：");
System.out.println(new Gson().toJson(compareFaceResponse));
} catch (ServerException e) {
e.printStackTrace();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
}
}
}
3、查询结果
extraData对应的值即为对应样本人脸的原始图片地址。
搜索人脸：
{"requestId":"60981448-DC3B-518D-82B1-7**********","data":{"matchList":[{"faceItems":[{"faceId":"9770860","score":1.0,"extraData":"https://taro-shangai.oss-cn-shanghai.aliyuncs.com/facepics/face1.jpg","entityId":"wangfei"},{"faceId":"9770861","score":0.7668418,"extraData":"https://taro-shangai.oss-cn-shanghai.aliyuncs.com/facepics/face2.jpg","entityId":"wangfei"}],"location":{"x":217,"y":110,"width":170,"height":233}}]}}
4、使用说明
如果对1：N人脸查找流程使用有疑问，建议可以重点参考：阿里云视觉智能开放平台--人脸识别使用教程或者人脸搜索教程