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| class MobileyeDMSADASFusion: """ Mobileye DMS-ADAS融合系统架构 复现Mobileye方案的核心思想 """ def __init__(self, config: dict): self.dms = DriverMonitoringSystem( eye_tracker_config=config.get('eye_tracker'), drowsiness_detector=config.get('drowsiness_detector') ) self.adas = ADASPerception( camera_config=config.get('adas_cameras'), object_detector=config.get('object_detector') ) self.fusion = DMSADASFusionModule( fusion_strategy='gaze_context_aware' ) self.intervention = InterventionController() def process_frame(self, cabin_frame: np.ndarray, road_frames: List[np.ndarray]) -> Dict: """ 处理单帧数据 Args: cabin_frame: 内舱图像 road_frames: 道路图像列表 Returns: result: 融合处理结果 """ dms_result = self.dms.analyze(cabin_frame) adas_result = self.adas.analyze(road_frames) fusion_result = self.fusion.fuse(dms_result, adas_result) if fusion_result['intervention_needed']: intervention = self.intervention.decide( fusion_result, dms_result, adas_result ) else: intervention = None return { 'dms': dms_result, 'adas': adas_result, 'fusion': fusion_result, 'intervention': intervention }
class DMSADASFusionModule: """ DMS-ADAS融合模块 核心创新:将驾驶员视线与道路环境关联 """ def __init__(self, fusion_strategy: str = 'gaze_context_aware'): self.strategy = fusion_strategy def fuse(self, dms_result: Dict, adas_result: Dict) -> Dict: """ 融合DMS和ADAS信息 Mobileye方案的核心: 1. 判断驾驶员是否注意到危险 2. 如果注意到,减少干预 3. 如果没注意到,触发警报 """ gaze_direction = dms_result['gaze_direction'] objects = adas_result['objects'] driver_aware_of_hazard = self._check_gaze_coverage( gaze_direction, objects ) intervention_needed = False intervention_type = None if adas_result['risk_level'] > 0.7: if not driver_aware_of_hazard: intervention_needed = True intervention_type = 'ALERT' adaptive_response = self._calculate_adaptive_response( dms_result['drowsiness_level'], driver_aware_of_hazard ) return { 'driver_aware_of_hazard': driver_aware_of_hazard, 'intervention_needed': intervention_needed, 'intervention_type': intervention_type, 'adaptive_response': adaptive_response } def _check_gaze_coverage(self, gaze_direction: Tuple[float, float], objects: List[Dict]) -> bool: """ 检查驾驶员视线是否覆盖关键物体 Mobileye方法: 将驾驶员视线方向与ADAS检测到的物体位置进行交叉验证 """ gaze_pitch, gaze_yaw = gaze_direction for obj in objects: if obj['risk_level'] > 0.5: obj_direction = obj['direction'] angle_diff = self._calculate_angle_difference( gaze_direction, obj_direction ) if angle_diff < 15: return True return False def _calculate_angle_difference(self, gaze: Tuple, target: Tuple) -> float: """计算两个方向的角度差""" import math diff = math.sqrt((gaze[0] - target[0])**2 + (gaze[1] - target[1])**2) return diff def _calculate_adaptive_response(self, drowsiness_level: float, driver_aware: bool) -> Dict: """ 计算自适应响应参数 Mobileye方案: 根据驾驶员状态动态调整ADAS行为 """ if drowsiness_level > 0.7 or not driver_aware: return { 'following_distance_multiplier': 1.5, 'lane_change_disabled': True, 'alert_sensitivity': 'HIGH' } else: return { 'following_distance_multiplier': 1.0, 'lane_change_disabled': False, 'alert_sensitivity': 'NORMAL' }
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