feature：加入功能，小朋友人脸识别与分类。

plugins/kid_photo_extractor/main.py

@@ -57,7 +57,6 @@ class FaceAnalyzer:
             self.logger.error(f"人脸检测失败: {image_path}, 错误: {e}")
             return []
 
-    # 在 FaceAnalyzer 类的 analyze_face 方法中，需要增强错误处理
     def analyze_face(self, image_path, face_area=None):
         """分析人脸，获取年龄和特征向量"""
         try:
@@ -72,21 +71,36 @@ class FaceAnalyzer:
                 if img is None:
                     self.logger.error(f"无法读取图片: {image_path}")
                     return None
+                    
+                # 如果指定了人脸区域，裁剪图片
+                if face_area:
+                    x, y, w, h = face_area['x'], face_area['y'], face_area['w'], face_area['h']
+                    img = img[y:y+h, x:x+w]
+                    # 保存临时裁剪图片
+                    temp_path = f"{image_path}.temp.jpg"
+                    cv2.imwrite(temp_path, img)
+                    image_path = temp_path
+                    
             except Exception as e:
                 self.logger.error(f"读取图片失败: {image_path}, 错误: {e}")
                 return None
     
             # 分析人脸属性
             analysis = DeepFace.analyze(img_path=image_path,
-                                        actions=['age', 'gender'],
-                                        enforce_detection=False,
-                                        region=face_area)
+                                      actions=['age', 'gender'],
+                                      enforce_detection=False)
     
             # 提取人脸特征向量用于后续比对
             embedding = DeepFace.represent(img_path=image_path,
-                                           model_name='Facenet',
-                                           enforce_detection=False,
-                                           region=face_area)
+                                         model_name='Facenet',
+                                         enforce_detection=False)
+    
+            # 如果使用了临时文件，删除它
+            if face_area and os.path.exists(f"{image_path}.temp.jpg"):
+                try:
+                    os.remove(f"{image_path}.temp.jpg")
+                except Exception as e:
+                    self.logger.warning(f"删除临时文件失败: {e}")
     
             return {
                 'age': analysis[0]['age'],