商务部新闻发言人就美制裁中国企业答记者问

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商务部新闻发言人就美制裁中国企业答记者问

索尼用前方道路与后排视频双路画面估计乘客晕车风险

索尼中国研究院与北京交通大学合作，在进博会上展示了针对车内观影的眩晕检测方案。一路输入取自车辆原有的前视辅助驾驶摄像头，用道路画面反映转弯、颠簸及速度变化。另一路直接取自后排屏幕上正在播放的视频，识别快速旋转、闪烁或整幅画面移动等特征。系统无需为此在后排另装摄像头。

研究团队利用公开医学数据训练模型，综合车辆运动线索与屏幕视觉刺激，估计乘客可能感到不适的程度，也可纳入个人敏感度。按演示设想，结果可用于提醒驾驶员减少急转、急刹，或向内容服务提供推荐画面较平缓节目的依据。相关技术已申请专利，当前公开的是风险预估与提示方案，展会演示没有提供对每位乘客都适用的诊断结论。这个设计把前方路面传来的实际运动与节目呈现的视觉运动分开取样，因此可以区分车辆行驶输入和后排内容输入。

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