新增从一串视频中标记黑名单方法

This commit is contained in:
zqc
2025-12-21 12:43:36 +08:00
parent 96f03cd83e
commit 93f7e11f9e

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@@ -26,6 +26,45 @@ class VideoCheckBiz(BaseFaceBiz):
face_analysis: 已初始化好的FaceAnalysis实例
"""
super().__init__(face_analysis)
def draw_detections(self, frame: np.ndarray, results: List[Dict]) -> np.ndarray:
"""
重写绘制检测结果方法
只在检测到黑名单匹配时用红色绘制人脸框
参数:
frame: 原始帧图像
results: 检测结果列表
返回:
绘制后的帧图像
"""
for result in results:
# 只在黑名单匹配时绘制
if result['is_match']:
bbox = result['bbox']
# 使用红色绘制人脸框
x1, y1, x2, y2 = bbox
cv2.rectangle(frame, (x1, y1), (x2, y2), (0, 0, 255), 2)
# 添加简单的匹配信息
best_match = result['best_match']
similarity = result['similarity']
# 绘制匹配信息
text = f"{best_match}: {similarity:.3f}"
text_size = cv2.getTextSize(text, cv2.FONT_HERSHEY_SIMPLEX, 0.5, 1)[0]
# 绘制文本背景
cv2.rectangle(frame, (x1, y1 - text_size[1] - 5),
(x1 + text_size[0], y1), (0, 0, 0), -1)
# 绘制文本
cv2.putText(frame, text, (x1, y1 - 5),
cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 1)
return frame
def extract_best_face_from_video(self, video_path: str, frame_skip: int = 10) -> Optional[np.ndarray]:
"""
@@ -214,4 +253,239 @@ class VideoCheckBiz(BaseFaceBiz):
}
}
return None
return None
def batch_process_videos_with_blacklist_detection(self, video_paths: List[str], frame_skip: int = 10,
suffix: str = "_processed") -> List[str]:
"""
批量处理视频文件,进行黑名单检测并保存结果
参数:
video_paths: 视频文件路径列表
frame_skip: 跳帧数,每隔多少帧处理一帧
suffix: 输出文件后缀
返回:
处理后的视频路径列表
"""
processed_paths = []
# 确保使用黑名单模式
self.set_list_mode("blacklist")
print(f"🎯 开始批量处理视频: 共{len(video_paths)}个视频")
print(f"🔍 检测模式: 黑名单模式, 跳帧数: {frame_skip}")
for i, video_path in enumerate(video_paths, 1):
print(f"\n--- 处理第{i}/{len(video_paths)}个视频: {os.path.basename(video_path)} ---")
if not os.path.exists(video_path):
print(f"❌ 视频文件不存在: {video_path}")
continue
# 处理单个视频
output_path = self._process_single_video_with_detection(video_path, frame_skip, suffix)
if output_path:
processed_paths.append(output_path)
print(f"✅ 视频处理完成: {os.path.basename(output_path)}")
else:
print(f"❌ 视频处理失败: {os.path.basename(video_path)}")
print(f"\n🎉 批量处理完成: 成功{len(processed_paths)}/{len(video_paths)}个视频")
return processed_paths
def _process_single_video_with_detection(self, video_path: str, frame_skip: int, suffix: str) -> Optional[str]:
"""
处理单个视频,进行黑名单检测并保存结果
参数:
video_path: 视频文件路径
frame_skip: 跳帧数
suffix: 输出文件后缀
返回:
处理后的视频路径
"""
# 打开输入视频
cap = cv2.VideoCapture(video_path)
if not cap.isOpened():
print(f"❌ 无法打开视频文件: {video_path}")
return None
# 获取视频信息
fps = cap.get(cv2.CAP_PROP_FPS)
width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
total_frames = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))
# 创建输出路径
video_dir = os.path.dirname(video_path)
video_name = os.path.splitext(os.path.basename(video_path))[0]
output_path = os.path.join(video_dir, f"{video_name}{suffix}.mp4")
# 创建视频写入器
fourcc = cv2.VideoWriter_fourcc(*'mp4v')
out = cv2.VideoWriter(output_path, fourcc, fps, (width, height))
if not out.isOpened():
print(f"❌ 无法创建输出文件: {output_path}")
cap.release()
return None
print(f"📹 视频信息: {width}x{height}, {fps:.1f}FPS, {total_frames}")
frame_index = 0
processed_frames = 0
detection_count = 0
while True:
ret, frame = cap.read()
if not ret:
break
# 处理帧每隔frame_skip帧处理一次
if frame_index % frame_skip == 0:
processed_frames += 1
# 人脸检测和识别
faces = self.app.get(frame)
results = []
for face in faces:
# 检查人脸质量
is_acceptable, quality_metrics = self.is_face_quality_acceptable(face, frame)
# 查找最佳匹配
best_name, similarity = self.find_best_match(face.embedding)
# 黑名单检测:在黑名单中即为匹配
is_match = best_name is not None and similarity >= self.similarity_threshold
result = {
'bbox': face.bbox.astype(int).tolist(),
'similarity': similarity,
'best_match': best_name,
'is_match': is_match,
'det_score': float(face.det_score),
'quality_metrics': quality_metrics,
'is_acceptable': is_acceptable
}
results.append(result)
if is_match:
detection_count += 1
# 绘制检测结果
if results:
frame = self.draw_detections(frame, results)
# 写入处理后的帧
out.write(frame)
frame_index += 1
# 显示进度
if frame_index % 100 == 0:
print(f" 进度: {frame_index}/{total_frames}帧 ({frame_index/total_frames*100:.1f}%)")
# 释放资源
cap.release()
out.release()
print(f"📊 处理统计: 处理{processed_frames}帧, 检测到{detection_count}次黑名单匹配")
return output_path
def process_video_with_custom_detection(self, video_path: str, frame_skip: int = 10,
suffix: str = "_detected",
custom_draw_callback=None) -> Optional[str]:
"""
处理视频并进行自定义检测(可扩展版本)
参数:
video_path: 视频文件路径
frame_skip: 跳帧数
suffix: 输出文件后缀
custom_draw_callback: 自定义绘制回调函数
返回:
处理后的视频路径
"""
# 打开输入视频
cap = cv2.VideoCapture(video_path)
if not cap.isOpened():
print(f"❌ 无法打开视频文件: {video_path}")
return None
# 获取视频信息
fps = cap.get(cv2.CAP_PROP_FPS)
width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
# 创建输出路径
video_dir = os.path.dirname(video_path)
video_name = os.path.splitext(os.path.basename(video_path))[0]
output_path = os.path.join(video_dir, f"{video_name}{suffix}.mp4")
# 创建视频写入器
fourcc = cv2.VideoWriter_fourcc(*'mp4v')
out = cv2.VideoWriter(output_path, fourcc, fps, (width, height))
if not out.isOpened():
print(f"❌ 无法创建输出文件: {output_path}")
cap.release()
return None
frame_index = 0
while True:
ret, frame = cap.read()
if not ret:
break
# 处理帧每隔frame_skip帧处理一次
if frame_index % frame_skip == 0:
# 人脸检测和识别
faces = self.app.get(frame)
results = []
for face in faces:
# 检查人脸质量
is_acceptable, quality_metrics = self.is_face_quality_acceptable(face, frame)
# 查找最佳匹配
best_name, similarity = self.find_best_match(face.embedding)
# 根据名单模式判断是否匹配
if self.list_mode == "blacklist":
is_match = best_name is not None and similarity >= self.similarity_threshold
else: # whitelist
is_match = best_name is not None and similarity >= self.similarity_threshold
result = {
'bbox': face.bbox.astype(int).tolist(),
'similarity': similarity,
'best_match': best_name,
'is_match': is_match,
'det_score': float(face.det_score),
'quality_metrics': quality_metrics,
'is_acceptable': is_acceptable
}
results.append(result)
# 使用自定义绘制或默认绘制
if custom_draw_callback:
frame = custom_draw_callback(frame, results, self)
else:
frame = self.draw_detections(frame, results)
# 写入处理后的帧
out.write(frame)
frame_index += 1
# 释放资源
cap.release()
out.release()
print(f"✅ 视频处理完成: {output_path}")
return output_path