学习记录3

人脸特征进行对比的代码实现：

将前端传入的图像经过人像特征提取后，和库中已存在的人像信息对比分析

/*
人脸识别
*/
@RequestMapping(value = "/faceSearch", method = RequestMethod.POST)
@ResponseBody
public Result<FaceSearchResDto> faceSearch(String file, Integer groupId) throws Exception {
byte[] decode = Base64.decode(base64Process(file));
BufferedImage bufImage = ImageIO.read(new ByteArrayInputStream(decode));
ImageInfo imageInfo = ImageFactory.bufferedImage2ImageInfo(bufImage);

//人脸特征获取
byte[] bytes = faceEngineService.extractFaceFeature(imageInfo);
if (bytes == null) {
return Results.newFailedResult(ErrorCodeEnum.NO_FACE_DETECTED);
}
//人脸比对，获取比对结果
List<FaceUserInfo> userFaceInfoList = faceEngineService.compareFaceFeature(bytes, groupId);

if (CollectionUtil.isNotEmpty(userFaceInfoList)) {
FaceUserInfo faceUserInfo = userFaceInfoList.get(0);
FaceSearchResDto faceSearchResDto = new FaceSearchResDto();
BeanUtil.copyProperties(faceUserInfo, faceSearchResDto);
List<ProcessInfo> processInfoList = faceEngineService.process(imageInfo);
if (CollectionUtil.isNotEmpty(processInfoList)) {
//人脸检测
List<FaceInfo> faceInfoList = faceEngineService.detectFaces(imageInfo);
int left = faceInfoList.get(0).getRect().getLeft();
int top = faceInfoList.get(0).getRect().getTop();
int width = faceInfoList.get(0).getRect().getRight() - left;
int height = faceInfoList.get(0).getRect().getBottom() - top;

Graphics2D graphics2D = bufImage.createGraphics();
graphics2D.setColor(Color.RED);//红色
BasicStroke stroke = new BasicStroke(5f);
graphics2D.setStroke(stroke);
graphics2D.drawRect(left, top, width, height);
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
ImageIO.write(bufImage, "jpg", outputStream);
byte[] bytes1 = outputStream.toByteArray();
faceSearchResDto.setImage("data:image/jpeg;base64," + Base64Utils.encodeToString(bytes1));
faceSearchResDto.setAge(processInfoList.get(0).getAge());
faceSearchResDto.setGender(processInfoList.get(0).getGender().equals(1) ? "女" : "男");

}

return Results.newSuccessResult(faceSearchResDto);
}
return Results.newFailedResult(ErrorCodeEnum.FACE_DOES_NOT_MATCH);
}