WeiSQ-ZJU

您好，请教一下rotate_pc_along_y这个类的作用是什么呢

1

我看代码中在pointrcnn的rpn阶段把点云和标注框绕y轴做了旋转，在rcnn阶段旋转了回去，请问这样做的目的是什么呢，以及这个旋转角度的计算有什么含义呢？ `bbox_center_w = (bbox2d[:, 0] + bbox2d[:, 2]) / 2` ` self.rot_angle = torch.atan2(bbox_center_w - w, f)`

question about the paper

3

Hello, thanks for your great work. I don't understand parts of the paper very clearly. Here is some questions. > To equip tensor parallelism with FP8, we convert the sharded...