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作者您好,对您所使用的数据集的格式不太理解 #1

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xuexisuanfa opened this issue Aug 23, 2023 · 0 comments
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@xuexisuanfa
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估计您是使用apollo的轨迹数据集,您所使用的数据集在https://github.com/ApolloScapeAuto/dataset-api/tree/master/trajectory_prediction有所介绍,主要是对Data Structure的部分信息不理解(相信作者对该数据集应该理解透彻了,希望能给予点解答):
Each line in a file contains frame_id, object_id, object_type, position_x, position_y, position_z, object_length, object_width, object_height, heading. 这句话中heading是什么?还有position_x, position_y, position_z的坐标系的原点在哪以及x轴方向,y轴方向,z轴方向是哪?这个三维坐标如何转换到图片上的二维坐标?

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