2025-02-23 12:56:50 +08:00
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# SmartJavaAI:JAVA深度学习算法工具包
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2025-03-08 16:22:46 +08:00
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2025-02-23 12:56:50 +08:00
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**SmartJavaAI**是基于 **DJL(Deep Java Library)** 封装的轻量级深度学习算法库,依托DJL的自动模型管理和跨框架特性,**无需安装Python环境**且无需手动下载模型文件(模型由DJL内部自动从云端加载),该库致力于构建Java生态与AI模型之间的高效桥梁。针对Java开发者面临的两大痛点:
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- 🐍 主流AI框架(PyTorch/TensorFlow)的Python生态与Java工程体系割裂
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- ⚙️ 直接使用DJL需处理模型加载、预处理、后处理等复杂技术细节
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我们实现了:
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✅ **开箱即用** - 两行代码完成人脸检测/识别
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✅ **多模型支持** - 集成RetinaFace/Ultra-Light-Fast-Generic-Face-Detector双检测模型(即将支持OCR/目标检测)
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✅ **跨平台兼容** - 完美支持Windows/Linux/macOS系统(x86 & ARM架构)
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2025-03-08 16:22:46 +08:00
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2025-02-23 12:56:50 +08:00
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## 🌟 核心优势
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| 维度 | Python生态 | 原生DJL | 本工具包 |
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|------------|---------------------|-----------------|----------------|
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| 开发效率 | 需搭建Python环境 | 需实现完整AI Pipeline | 提供即用API |
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| 学习成本 | 需掌握Python/C++混合编程 | 需深入理解AI框架机制 | Java语法即可调用 |
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| 部署复杂度 | 需维护多语言服务 | 需处理底层资源调度 | 单一Jar包集成 |
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| 性能表现 | 原生高性能 | 依赖开发者优化经验 | 内置生产级调优 |
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## 📌 支持功能
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### ✅ 已实现功能
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- **人脸检测**
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支持图片/视频流中的多面孔定位与质量评估
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- **人脸特征提取**
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基于深度学习算法生成512维特征向量
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2025-03-26 17:09:22 +08:00
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- **人脸特征比对** (1:1)
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2025-03-26 17:09:22 +08:00
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- **人脸查询** (1:N)
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人脸库注册/人脸库查询/人脸库删除
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2025-02-23 12:56:50 +08:00
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### ⌛ 规划中功能
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- **OCR文字识别**
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即将支持身份证/银行卡/车牌等关键信息提取,适配复杂背景与模糊文本
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- **目标检测**
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计划集成YOLOv9模型,支持车辆检测/安全帽识别/工业质检等场景
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- **图像分割**
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- **语音识别**
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基于Transformer的语音转文本引擎,支持中文/英文多语种识别
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2025-03-26 17:09:22 +08:00
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## 目前已集成的人脸算法模型
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2025-03-26 17:09:22 +08:00
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- **RetinaFace 模型**[[GitHub]](https://github.com/deepinsight/insightface/tree/master/detection/retinaface):一个高效的深度学习人脸检测模型,支持高精度的人脸检测,但目前不支持人脸比对
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2025-03-27 09:03:12 +08:00
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- **Ultra-Light-Fast-Generic-Face-Detector-1MB** [[GitHub\]](https://github.com/Linzaer/Ultra-Light-Fast-Generic-Face-Detector-1MB):一个轻量级的人脸检测模型,适用于需要较低延迟和较小模型尺寸的应用场景。
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2025-03-26 17:09:22 +08:00
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- **Seetaface6** [[GitHub\]](https://github.com/seetafaceengine/SeetaFace6):是中科视拓最新开放的商业正式级版本,支持人脸检测、关键点定位、人脸识别。同时增加了活体检测、质量评估、年龄性别估计。并且响应时事,开放了口罩检测以及戴口罩的人脸识别模型
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2025-04-01 16:57:01 +08:00
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- **[facenet-pytorch](https://github.com/timesler/facenet-pytorch)** [[GitHub\]](https://github.com/seetafaceengine/SeetaFace6):这是 pytorch 中 Inception Resnet (V1) 模型的存储库,在 VGGFace2 和 CASIA-Webface 上进行了预训练。Pytorch 模型权重使用从 David Sandberg 的 [tensorflow Facenet repo](https://github.com/davidsandberg/facenet) 移植的参数进行初始化。该存储库中还包含 MTCNN 的高效 pytorch 实现,用于推理之前的人脸检测。这些模型也是经过预训练的。据我们所知,这是最快的 MTCNN 实现。
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2025-03-26 17:09:22 +08:00
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2025-04-01 16:57:01 +08:00
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### 人脸模型对比及下载地址
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2025-03-26 17:09:22 +08:00
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| 模型名称 | 下载地址 | 文件大小 | 适用场景 | 兼容系统 |
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| :-----------------------: | :----------------------------------------------------------: | :------: | :---------------: | ------------------- |
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| retinaface | [下载](https://resources.djl.ai/test-models/pytorch/retinaface.zip) | 110MB | 高精度人脸检测 | Windows/Linux/MacOS |
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2025-04-01 16:57:01 +08:00
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| ultralightfastgenericface | [下载](https://resources.djl.ai/test-models/pytorch/ultranet.zip) | 1.7MB | 高速人脸检测 | Windows/Linux/MacOS |
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| seetaface6 | [下载](https://pan.baidu.com/s/1hfNacA8ISV2qHrycjOkgqA?pwd=1234) | 288MB | 人脸检测/人脸识别 | Windows |
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| facenet-pytorch | [下载](https://resources.djl.ai/test-models/pytorch/face_feature.zip) | 104MB | 人脸识别 | Windows/Linux/MacOS |
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2025-02-23 12:56:50 +08:00
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## 环境要求
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- Java 版本:**JDK 11或更高版本**
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- 操作系统:不同模型支持的系统不一样,具体请查看文档
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2025-02-23 12:56:50 +08:00
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## 使用步骤
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2025-03-26 17:09:22 +08:00
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>
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> 📌 **运行提示**:
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> (1)默认算法(RetinaFace)或轻量算法(Ultra-Light-Fast-Generic-Face-Detector )都为python算法,兼容 Windows、Linux、MacOS,Android 等系统,SmartJavaAI首次启动将自动下载模型到及依赖库到本地(.djl.ai隐藏文件夹),建议保持网络畅通。初始化完成后,后续启动可实现毫秒级响应。在无网络环境下,可指定本地模型路径(需提前下载模型包)。目前,这两种算法不支持人脸识别或人脸比对功能。
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>
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2025-04-01 16:57:01 +08:00
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> (2)Seetaface6 采用 C++ 编写,兼容 Windows、CentOS、Ubuntu 等系统,虽然Seetaface6 支持linux,但是我们目前仅实现了windows,如果后续对linux需求多,我们将兼容linux。Seetaface6 支持全功能人脸处理(人脸检测、人脸比对 1:1 或 1:N)。SmartJavaAI 通过 JNI 调用 C++ 接口,不支持在线下载模型,需手动下载并存储至本地。使用人脸比对等功能时,需要将项目中db/faces-data.db存放到您本地路径下并在config中指定人脸库路径。
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2025-02-23 12:56:50 +08:00
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### 1. 安装人脸算法依赖
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在 Maven 项目的 `pom.xml` 中添加 SmartJavaAI的人脸算法依赖:
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```xml
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<dependencies>
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<dependency>
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<groupId>ink.numberone</groupId>
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<artifactId>smartjavaai-face</artifactId>
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<version>1.0.6</version>
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</dependency>
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</dependencies>
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```
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### 2. 人脸检测代码示例
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```java
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//创建人脸算法
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FaceAlgorithm currentAlgorithm = FaceAlgorithmFactory.createFaceAlgorithm();
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//使用图片路径检测
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FaceDetectedResult result = currentAlgorithm.detect("src/main/resources/largest_selfie.jpg");
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```
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### 3. 轻量人脸检测代码示例
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```java
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//创建人脸算法
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FaceAlgorithm currentAlgorithm = FaceAlgorithmFactory.createLightFaceAlgorithm();
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//使用图片路径检测
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FaceDetectedResult result = currentAlgorithm.detect("src/main/resources/largest_selfie.jpg");
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```
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### 4. 使用图片输入流检测
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```java
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//支持各种输入流方式检测图片
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File input = new File("src/main/resources/largest_selfie.jpg");
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FaceDetectedResult result = currentAlgorithm.detect(new FileInputStream(input));
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```
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2025-03-26 17:09:22 +08:00
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### 5. 人脸比对(1:1)
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>
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> (1)将项目中db/faces-data.db存放到您本地路径下
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>
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> (2)下载模型到本地路径,下载地址:https://pan.baidu.com/s/1hfNacA8ISV2qHrycjOkgqA?pwd=1234 提取码:1234
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>
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> (3)如果网盘地址请联系本人,文档最后有联系方式
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2025-02-23 12:56:50 +08:00
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2025-03-26 17:09:22 +08:00
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```java
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// 初始化配置
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ModelConfig config = new ModelConfig();
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config.setAlgorithmName("seetaface6");//目前支持人脸比对的算法只有:seetaface6
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//人脸库路径 如果不指定人脸库,无法使用 1:N人脸搜索
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config.setFaceDbPath("C:/Users/Administrator/Downloads/faces-data.db");
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//改为模型存放路径
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config.setModelPath("/opt/sf3.0_models");
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//创建人脸算法
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FaceAlgorithm currentAlgorithm = FaceAlgorithmFactory.createFaceAlgorithm(config);
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//自动裁剪人脸并比对人脸特征
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float similar = currentAlgorithm.featureComparison("src/main/resources/kana1.jpg","src/main/resources/kana2.jpg");
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log.info("相似度:{}", similar);
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```
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2025-02-23 12:56:50 +08:00
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2025-04-01 16:57:01 +08:00
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### 6. 人脸特征提取及比对(seetaface6)
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2025-02-23 12:56:50 +08:00
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```java
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// 初始化配置
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ModelConfig config = new ModelConfig();
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config.setAlgorithmName("seetaface6");
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//人脸库路径 如果不指定人脸库,无法使用 1:N人脸搜索
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config.setFaceDbPath("C:/Users/Administrator/Downloads/faces-data.db");
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//改为模型存放路径
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config.setModelPath("C:/Users/Administrator/Downloads/sf3.0_models/sf3.0_models");
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//创建人脸算法
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FaceAlgorithm currentAlgorithm = FaceAlgorithmFactory.createFaceAlgorithm(config);
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//提取图像中最大人脸的特征
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float[] feature1 = currentAlgorithm.featureExtraction("src/main/resources/kana1.jpg");
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float[] feature2 = currentAlgorithm.featureExtraction("src/main/resources/kana2.jpg");
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float similar = currentAlgorithm.calculSimilar(feature1, feature2);
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log.info("相似度:{}", similar);
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```
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2025-04-01 16:57:01 +08:00
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### 7. 人脸特征提取及比对(facenet-pytorch)
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```java
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//创建脸算法
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FaceAlgorithm featureAlgorithm = FaceAlgorithmFactory.createFaceFeatureAlgorithm();
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//提取身份证人脸特征
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float[] feature1 = featureAlgorithm.featureExtraction("src/main/resources/kana1.jpg");
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float[] feature2 = featureAlgorithm.featureExtraction("src/main/resources/kana2.jpg");
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if (feature1 != null && feature2 != null) {
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//相似度在0.8至0.85及以上时,可判定为同一人,但具体阈值可能因图片而异,存在一定误差。
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float similar = featureAlgorithm.calculSimilar(feature1, feature2);
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log.info("相似度:{}", similar);
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} else {
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log.warn("人脸特征提取失败");
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}
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```
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### 8. 注册及搜索人脸(1:N)
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2025-03-26 17:09:22 +08:00
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```java
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// 初始化配置
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ModelConfig config = new ModelConfig();
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config.setAlgorithmName("seetaface6");
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//人脸库路径 如果不指定人脸库,无法使用 1:N人脸搜索
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config.setFaceDbPath("C:/Users/Administrator/Downloads/faces-data.db");
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//改为模型存放路径
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config.setModelPath("C:/Users/Administrator/Downloads/sf3.0_models/sf3.0_models");
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//创建人脸算法 自动将人脸库加载到内存中
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FaceAlgorithm currentAlgorithm = FaceAlgorithmFactory.createFaceAlgorithm(config);
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//等待人脸库加载完毕
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Thread.sleep(1000);
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//注册kana1人脸,参数key建议设置为人名
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boolean isSuccss = currentAlgorithm.register("kana1","src/main/resources/kana1.jpg");
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//注册jsy人脸,参数key建议设置为人名
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isSuccss = currentAlgorithm.register("jsy","src/main/resources/jsy.jpg");
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FaceResult faceResult = currentAlgorithm.search("src/main/resources/kana2.jpg");
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if(faceResult != null){
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log.info("查询到人脸:{}", faceResult.toString());
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}else{
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log.info("未查询到人脸");
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}
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```
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2025-02-26 11:23:39 +08:00
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2025-04-01 16:57:01 +08:00
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### 9. 人脸检测(离线下载模型)
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2025-03-08 16:08:50 +08:00
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2025-03-26 17:09:22 +08:00
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```java
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// 初始化配置
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ModelConfig config = new ModelConfig();
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config.setAlgorithmName("retinaface");//人脸算法模型,目前支持:retinaface/ultralightfastgenericface/seetaface6
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//config.setAlgorithmName("ultralightfastgenericface");//轻量模型
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config.setConfidenceThreshold(FaceConfig.DEFAULT_CONFIDENCE_THRESHOLD);//置信度阈值
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config.setMaxFaceCount(FaceConfig.MAX_FACE_LIMIT);//每张特征图保留的最大候选框数量
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//nms阈值:控制重叠框的合并程度,取值越低,合并越多重叠框(减少误检但可能漏检);取值越高,保留更多框(增加检出但可能引入冗余)
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config.setNmsThresh(FaceConfig.NMS_THRESHOLD);
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//模型下载地址:
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//retinaface: https://resources.djl.ai/test-models/pytorch/retinaface.zip
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//ultralightfastgenericface: https://resources.djl.ai/test-models/pytorch/ultranet.zip
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//改为模型存放路径
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config.setModelPath("/Users/xxx/Documents/develop/face_model/retinaface.pt");
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//创建人脸算法
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FaceAlgorithm currentAlgorithm = FaceAlgorithmFactory.createFaceAlgorithm(config);
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//使用图片路径检测
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FaceDetectedResult result = currentAlgorithm.detect("src/main/resources/largest_selfie.jpg");
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logger.info("人脸检测结果:{}", JSONObject.toJSONString(result));
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//使用图片流检测
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File input = new File("src/main/resources/largest_selfie.jpg");
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//FaceDetectedResult result = currentAlgorithm.detect(new FileInputStream(input));
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//logger.info("人脸检测结果:{}", JSONObject.toJSONString(result));
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BufferedImage image = ImageIO.read(input);
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//创建保存路径
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Path imagePath = Paths.get("output").resolve("retinaface_detected.jpg");
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//绘制人脸框
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ImageUtils.drawBoundingBoxes(image, result, imagePath.toAbsolutePath().toString());
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```
|
2025-03-08 16:08:50 +08:00
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2025-03-26 17:09:22 +08:00
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## 完整代码
|
2025-03-08 16:08:50 +08:00
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|
2025-03-26 17:09:22 +08:00
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`📁 examples/src/main/java/smartai/examples/face`
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|
└── 📄[FaceDemo.java](https://github.com/geekwenjie/SmartJavaAI/blob/master/examples/src/main/java/smartai/examples/face/FaceDemo.java) <sub>*(基于JDK11构建的完整可执行示例)*</sub>
|
2025-03-08 16:08:50 +08:00
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|
2025-03-26 17:09:22 +08:00
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## 🙏 鸣谢
|
2025-03-08 16:08:50 +08:00
|
|
|
|
|
2025-03-26 17:09:22 +08:00
|
|
|
|
本项目在开发过程中借鉴或使用了以下优秀开源项目,特此致谢:
|
2025-02-26 11:23:39 +08:00
|
|
|
|
|
2025-03-26 17:09:22 +08:00
|
|
|
|
- **[Seetaface6JNI](https://gitee.com/cnsugar/seetaface6JNI)**
|
|
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|
|
|
---
|
2025-02-26 11:46:44 +08:00
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## 联系方式
|
|
|
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|
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|
|
|
|
如果您有任何问题或建议,欢迎联系:
|
|
|
|
|
|
|
|
|
|
|
|
- **微信**: deng775747758 (请备注:SmartJavaAI)
|
|
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|
|
|
- **Email**: 775747758@qq.com
|
2025-03-27 09:03:12 +08:00
|
|
|
|
|
2025-04-01 16:57:01 +08:00
|
|
|
|
🚀 **如果这个项目对你有帮助,别忘了点个 Star ⭐!你的支持是我持续优化升级的动力!** ❤️
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## 更新日志
|
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|
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|
|
## [v1.0.6] - 2025-04-01
|
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|
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|
|
- 修复人脸识别算法facenet-pytorch实现方式
|
|
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|
- 优化Seetaface6算法,兼容jdk高版本
|
2025-03-27 09:03:12 +08:00
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