A!ex autonomous car driving in manual mode dataset

Dataset from autonomous car A!ex (https://www.aalto.fi/en/news/invisible-powers-are-driving-cars-and-cranes-but-what-goes-on-behind-the-scenes-to-get-these) driven manually around Otaniemi.本数据集由自动驾驶汽车（autonomous car）A!ex在奥塔涅米（Otaniemi）周边以人工驾驶模式行驶期间采集，相关背景可参阅阿尔托大学发布的官方新闻：https://www.aalto.fi/en/news/invisible-powers-are-driving-cars-and-cranes-but-what-goes-on-behind-the-scenes-to-get-thees。