自动驾驶背后的助力者：专访腾讯高精地图总监谷小丰

{"type":"doc","content":[{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"2016 年 9 月，腾讯开始投入自动驾驶技术领域，致力于成为自动驾驶行业的“数字化工具箱和加速器”，为行业提供包容、创新和可持续的自动驾驶解决方案。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"截至目前，腾讯自动驾驶已经打造出了高精度地图、数据云平台、模拟仿真平台等一系列自动驾驶核心技术模块。在这三个平台中，高精地图平台是腾讯最早投入研发的。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"为了进一步了解腾讯在高精地图方面的进展，以及高精地图在自动驾驶领域的应用，InfoQ 采访到了腾讯高精度地图总监谷小丰。"}]}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"什么是“高精地图”？"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"“虽然大家都管它叫‘高精地图’，但实际上这种称呼并不严谨。”这是谷小丰对高精地图的评价。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"按照传统地图的命名规则，大部分地图都是以专题（或功能）来命名的，比如政区地图、旅游地图、地形图等等，而高精地图则是以精度来命名的，这也算是它的特点之一。不过问题也由此产生了，到底多高的精度算是“高精”？"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"通常，测绘行业会用“相对精度”和“绝对精度”来对地图的精度进行描述，但自动驾驶的高精地图又该以什么标准来判断呢？虽然行业内有不少公司都声称自己的地图技术达到了“厘米级”，甚至“毫米级”，但谷小丰表示，无论是多高的精度，在应用和需求上都应该能证明。他说：“"},{"type":"text","marks":[{"type":"strong"}],"text":"精度的实质是一个质量指标，达到就合格了，并不是精度越高越好，超过一定限度的精度可能对自动驾驶产品是无感的"},{"type":"text","text":"。"},{"type":"text","marks":[{"type":"strong"}],"text":"更不用说在规模化生产的角度看可能是不现实的"},{"type":"text","text":"。”"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"于是，谷小丰又进一步表示：“严格来讲，它应该算是‘"},{"type":"text","marks":[{"type":"strong"}],"text":"自动驾驶地图"},{"type":"text","text":"’。”当然这个地图也同时可能被高等级的 ADAS 功能、V2X 等更广泛的业务中。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}}]}