xiaoquan wang

How to get bbox.json in ObjectNeRF?

3

Hi, 我想请教一下如何生成[ObjectNeRF](https://github.com/zju3dv/object_nerf/issues/18)场景编辑时，所需的bbox.json文件，或者能解释一下bbox.json里面各个数值的含义吗？ 下面是bbox.json的内容 ` "labels": [ { "id": "1", "data": { "position": [ 2.2837844942793737, 0.6488003671313685, 6.001685665511459 ], "rotation": [ 1.8946632971215467, -0.1095624676165341, 0.553559251247026 ], "quaternion": [ 0.771054293372373, -0.2522670140662573, 0.11654286129474664, 0.5729348931312866 ],...

Hi, I have a self-capture data like kitti style. It has a rgb image, synced point cloud, and 3D bbox label. How to generate the training data in our data?

Hi, There are visualized code for tracking results in python?

Why only selected the 0-th data in "example["ind"][0]", I think there are 6 task head?

1

Hi, I'm confused about that why only selected the 0-th data in "example["ind"][0]" in the [line](https://github.com/TuSimple/centerformer/blob/0408b29fa728950baead73354e21240174ce5b6b/det3d/models/necks/rpn_transformer.py#L439) , I think there are 6 task head?

Hi, I confused about why do the key sensor to sweep sensor operation again in the line [116](https://github.com/Megvii-BaseDetection/BEVStereo/blob/62711e779472dac5907b2622b227416e3694e131/layers/backbones/lss_fpn.py#L1116) 

Hi, I'm confused about the role of the self.use_mask in the line [748](https://github.com/Megvii-BaseDetection/BEVStereo/blob/62711e779472dac5907b2622b227416e3694e131/layers/backbones/lss_fpn.py#L748) I can't find any explanation of it in the paper.

Hi, I'm confused about the two kinds of ego2global value in the line [342](https://github.com/Megvii-BaseDetection/BEVStereo/blob/master/dataset/nusc_mv_det_dataset.py#:~:text=%23%20sweep%20ego%20to%20global) and in the line [419.](https://github.com/Megvii-BaseDetection/BEVStereo/blob/master/dataset/nusc_mv_det_dataset.py#:~:text=mean%20pose%20of%20all%20cams.) Why there are two kinds of ego2global. What's the difference between...