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关于CAM_FRONT和CAM_FRONT坐标系 #370

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kingofstu opened this issue Nov 23, 2024 · 0 comments
Open

关于CAM_FRONT和CAM_FRONT坐标系 #370

kingofstu opened this issue Nov 23, 2024 · 0 comments

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@kingofstu
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bevdet-2.1dev中,在prepare_inputs时会将第0个索引的相机视为keyego,然后在config文件里cam的顺序是:
'cams': [
'CAM_FRONT_LEFT', 'CAM_FRONT', 'CAM_FRONT_RIGHT', 'CAM_BACK_LEFT',
'CAM_BACK', 'CAM_BACK_RIGHT'],
也就是对应的CAM_FRONT_LEFT为keyego,后续应该会用CAM_FRONT_LEFT的ego坐标系构建bev特征,但是在create_data_bevdet时,是把gt 3d box变换到了CAM_FRONT下,这两个坐标系不是不一样吗,后续eval时会在做变换吗?

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