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275
video_face_recognition_cann_3.py
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275
video_face_recognition_cann_3.py
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# video_face_recognition_cann.py
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import cv2
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import numpy as np
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import time
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import os
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from algorithm.face_recognition_algorithm import FaceRecognitionAlgorithm
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def process_video_file(algorithm: FaceRecognitionAlgorithm, video_path: str, output_path: str = None,
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skip_frames: int = 0, show_preview: bool = True):
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"""
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处理视频文件
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Args:
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algorithm: FaceRecognitionAlgorithm实例
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video_path: 输入视频路径
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output_path: 输出视频路径
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skip_frames: 跳帧数，用于提高处理速度
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show_preview: 是否显示实时预览
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"""
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if not os.path.exists(video_path):
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print(f"❌ 视频文件不存在: {video_path}")
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return
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# 打开视频文件
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cap = cv2.VideoCapture(video_path)
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if not cap.isOpened():
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print(f"❌ 无法打开视频文件: {video_path}")
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return
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# 获取视频信息
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fps = cap.get(cv2.CAP_PROP_FPS)
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width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
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height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
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total_frames = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))
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print(f"📹 视频信息: {width}x{height}, {fps:.1f}FPS, 总帧数: {total_frames}")
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print(f"🎯 当前模式: {algorithm.get_list_mode()}, 注册人脸数: {algorithm.get_registered_face_count()}")
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# 设置输出视频
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if output_path:
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# 确保输出目录存在
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os.makedirs(os.path.dirname(output_path), exist_ok=True)
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fourcc = cv2.VideoWriter_fourcc(*'mp4v')
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out = cv2.VideoWriter(output_path, fourcc, fps / (skip_frames + 1), (width, height))
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else:
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out = None
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# 性能统计
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frame_count = 0
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processed_frames = 0
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processing_times = []
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start_time = time.time()
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print("🚀 开始处理视频...")
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while True:
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ret, frame = cap.read()
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if not ret:
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break
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# 跳帧处理
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if skip_frames > 0 and frame_count % (skip_frames + 1) != 0:
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frame_count += 1
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continue
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# 处理当前帧 - 获取结果
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processed_frame, results, processing_time = algorithm.process_frame(frame)
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print(f"face process time : {processing_time}")
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# 在帧上绘制检测结果
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processed_frame = algorithm.draw_detections(processed_frame, results)
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# 记录处理时间
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processing_times.append(processing_time)
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# 写入输出视频
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if out:
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out.write(processed_frame)
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# 显示预览
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if show_preview:
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# 添加性能信息
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fps_text = f"Frame: {frame_count}/{total_frames} | Faces: {len(results)} | Mode: {algorithm.get_list_mode()}"
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cv2.putText(processed_frame, fps_text, (10, 30),
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cv2.FONT_HERSHEY_SIMPLEX, 0.7, (0, 255, 255), 2)
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# 添加名单统计
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match_count = sum(1 for r in results if r['is_match'])
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list_text = f"Match: {match_count}/{len(results)}"
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cv2.putText(processed_frame, list_text, (10, 60),
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cv2.FONT_HERSHEY_SIMPLEX, 0.7, (0, 255, 255), 2)
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cv2.imshow('Video Face Recognition', processed_frame)
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if cv2.waitKey(1) & 0xFF == ord('q'):
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break
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frame_count += 1
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processed_frames += 1
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# 进度显示
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if frame_count % 30 == 0:
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progress = (frame_count / total_frames) * 100
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print(f"📊 处理进度: {progress:.1f}% ({frame_count}/{total_frames})")
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# 清理资源
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cap.release()
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if out:
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out.release()
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if show_preview:
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cv2.destroyAllWindows()
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# 性能统计
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total_time = time.time() - start_time
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avg_processing_time = np.mean(processing_times) if processing_times else 0
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print(f"\n🎉 视频处理完成!")
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print(f"📊 性能统计:")
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print(f" 总处理帧数: {processed_frames}")
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print(f" 总耗时: {total_time:.1f}秒")
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print(f" 平均每帧: {avg_processing_time:.1f}ms")
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print(f" 实际FPS: {processed_frames / total_time:.1f}")
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if output_path:
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print(f" 输出视频: {output_path}")
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def process_webcam(algorithm: FaceRecognitionAlgorithm, camera_id: int = 0, output_path: str = None):
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"""
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处理摄像头实时视频流
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"""
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cap = cv2.VideoCapture(camera_id)
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if not cap.isOpened():
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print(f"❌ 无法打开摄像头 {camera_id}")
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return
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# 设置摄像头分辨率（可选）
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cap.set(cv2.CAP_PROP_FRAME_WIDTH, 1280)
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cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 720)
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# 设置输出视频
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if output_path:
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# 确保输出目录存在
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os.makedirs(os.path.dirname(output_path), exist_ok=True)
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fps = cap.get(cv2.CAP_PROP_FPS)
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width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
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height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
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fourcc = cv2.VideoWriter_fourcc(*'mp4v')
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out = cv2.VideoWriter(output_path, fourcc, fps, (width, height))
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else:
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out = None
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# 性能统计
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processing_times = []
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print(f"🎥 开始摄像头实时识别 - 模式: {algorithm.get_list_mode()} (按 'q' 退出)...")
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print(f"📋 注册人脸数: {algorithm.get_registered_face_count()}")
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while True:
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ret, frame = cap.read()
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if not ret:
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print("❌ 无法读取摄像头帧")
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break
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# 处理当前帧 - 获取结果
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processed_frame, results, processing_time = algorithm.process_frame(frame)
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print(f"face process time : {processing_time}")
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# 在帧上绘制检测结果
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processed_frame = algorithm.draw_detections(processed_frame, results)
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# 记录处理时间
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processing_times.append(processing_time)
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# 添加实时信息
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current_fps = 1000 / processing_times[-1] if processing_times else 0
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info_text = f"FPS: {current_fps:.1f} | Faces: {len(results)} | Mode: {algorithm.get_list_mode()}"
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cv2.putText(processed_frame, info_text, (10, 30),
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cv2.FONT_HERSHEY_SIMPLEX, 0.7, (0, 255, 255), 2)
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# 添加名单统计
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match_count = sum(1 for r in results if r['is_match'])
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list_text = f"Match: {match_count}/{len(results)}"
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cv2.putText(processed_frame, list_text, (10, 60),
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cv2.FONT_HERSHEY_SIMPLEX, 0.7, (0, 255, 255), 2)
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# 写入输出
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if out:
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out.write(processed_frame)
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# 显示预览
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cv2.imshow('Real-time Face Recognition', processed_frame)
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# 按'q'退出
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if cv2.waitKey(1) & 0xFF == ord('q'):
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break
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# 清理资源
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cap.release()
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if out:
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out.release()
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cv2.destroyAllWindows()
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print("✅ 摄像头处理结束")
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# 使用示例
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def main():
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# 直接创建人脸识别算法实例
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# 使用NPU：
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# algorithm = FaceRecognitionAlgorithm(use_gpu=False, use_npu=True, npu_device_id=0)
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# 使用GPU：
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algorithm = FaceRecognitionAlgorithm(use_gpu=True, use_npu=False)
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# 使用CPU：
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# algorithm = FaceRecognitionAlgorithm(use_gpu=False, use_npu=False)
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# algorithm = FaceRecognitionAlgorithm(use_gpu=True, use_npu=False) # 默认使用GPU
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# 设置名单模式
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# algorithm.set_list_mode("blacklist") # 黑名单模式
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# algorithm.set_list_mode("whitelist") # 白名单模式
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# 加载注册人脸
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register_dir = "test_data/register" # 注册图片目录
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if os.path.exists(register_dir):
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algorithm.load_registered_faces(register_dir)
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else:
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print(f"⚠️ 注册目录不存在: {register_dir}")
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#
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# # 设置质量阈值（可根据实际情况调整）
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# algorithm.set_quality_thresholds(
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# clarity_threshold=1000.0, # 清晰度阈值
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# quality_threshold=0.6, # 质量得分阈值
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# min_face_size=30
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# )
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# # 选择处理模式
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# print("请选择处理模式:")
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# print("1. 处理视频文件")
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# print("2. 实时摄像头")
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#
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# choice = input("请输入选择 (1 或 2): ").strip()
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choice = "1"
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if choice == "1":
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# 处理视频文件
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video_path = "test_data/video/video_2.mp4"
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output_path = "test_data/output_video/video_2_white_9_gpu.mp4"
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# output_path = "test_data/output_video/video_2_black_2.mp4"
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# 性能优化：跳帧处理
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skip_frames = 2
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process_video_file(
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algorithm=algorithm,
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video_path=video_path,
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output_path=output_path,
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skip_frames=skip_frames,
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show_preview=False
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)
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elif choice == "2":
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# 实时摄像头
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output_path = "webcam_recording.mp4"
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process_webcam(
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algorithm=algorithm,
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camera_id=0,
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output_path=output_path
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)
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else:
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print("❌ 无效选择")
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if __name__ == "__main__":
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main()
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