use box3dstructure in augmentation

configs/kitti/dv_pointpillars_secfpn_6x8_160e_kitti-3d-car.py

@@ -189,6 +189,7 @@ momentum_config = dict(
     step_ratio_up=0.4,
 )
 checkpoint_config = dict(interval=1)
+evaluation = dict(interval=2)
 # yapf:disable
 log_config = dict(
     interval=50,

configs/kitti/dv_second_secfpn_2x8_cosine_80e_kitti-3d-3class.py

@@ -213,6 +213,7 @@ lr_config = dict(
     min_lr_ratio=1e-5)
 momentum_config = None
 checkpoint_config = dict(interval=1)
+evaluation = dict(interval=2)
 # yapf:disable
 log_config = dict(
     interval=50,

configs/kitti/dv_second_secfpn_6x8_80e_kitti-3d-car.py

@@ -183,6 +183,7 @@ momentum_config = dict(
     step_ratio_up=0.4,
 )
 checkpoint_config = dict(interval=1)
+evaluation = dict(interval=2)
 # yapf:disable
 log_config = dict(
     interval=50,

configs/kitti/hv_PartA2_secfpn_4x8_cyclic_80e_kitti-3d-3class.py

@@ -302,6 +302,7 @@ momentum_config = dict(
     cyclic_times=1,
     step_ratio_up=0.4)
 checkpoint_config = dict(interval=1)
+evaluation = dict(interval=2)
 # yapf:disable
 log_config = dict(
     interval=50,

configs/kitti/hv_PartA2_secfpn_4x8_cyclic_80e_kitti-3d-car.py

@@ -261,6 +261,7 @@ momentum_config = dict(
     cyclic_times=1,
     step_ratio_up=0.4)
 checkpoint_config = dict(interval=1)
+evaluation = dict(interval=2)
 # yapf:disable
 log_config = dict(
     interval=50,

configs/kitti/hv_pointpillars_secfpn_6x8_160e_kitti-3d-car.py

@@ -192,6 +192,7 @@ momentum_config = dict(
     step_ratio_up=0.4,
 )
 checkpoint_config = dict(interval=1)
+evaluation = dict(interval=2)
 # yapf:disable
 log_config = dict(
     interval=50,

configs/kitti/hv_second_secfpn_6x8_80e_kitti-3d-car.py

@@ -197,6 +197,7 @@ momentum_config = dict(
     step_ratio_up=0.4,
 )
 checkpoint_config = dict(interval=1)
+evaluation = dict(interval=2)
 # yapf:disable
 log_config = dict(
     interval=50,

mmdet3d/core/bbox/__init__.py

@@ -7,7 +7,7 @@ from .iou_calculators import (BboxOverlaps3D, BboxOverlapsNearest3D,
 from .samplers import (BaseSampler, CombinedSampler,
                        InstanceBalancedPosSampler, IoUBalancedNegSampler,
                        PseudoSampler, RandomSampler, SamplingResult)
-from .structures import (Box3DMode, CameraInstance3DBoxes,
+from .structures import (BaseInstance3DBoxes, Box3DMode, CameraInstance3DBoxes,
                          DepthInstance3DBoxes, LiDARInstance3DBoxes)
 from .transforms import (bbox3d2result, bbox3d2roi,
                          box3d_to_corner3d_upright_depth,
@@ -26,5 +26,6 @@ __all__ = [
     'BboxOverlapsNearest3D', 'BboxOverlaps3D', 'bbox_overlaps_nearest_3d',
     'bbox_overlaps_3d', 'Box3DMode', 'LiDARInstance3DBoxes',
     'CameraInstance3DBoxes', 'bbox3d2roi', 'bbox3d2result',
-    'box3d_to_corner3d_upright_depth', 'DepthInstance3DBoxes'
+    'box3d_to_corner3d_upright_depth', 'DepthInstance3DBoxes',
+    'BaseInstance3DBoxes'
 ]

mmdet3d/core/bbox/structures/__init__.py

+from .base_box3d import BaseInstance3DBoxes
 from .box_3d_mode import Box3DMode
 from .cam_box3d import CameraInstance3DBoxes
 from .depth_box3d import DepthInstance3DBoxes
 from .lidar_box3d import LiDARInstance3DBoxes
 
 __all__ = [
-    'Box3DMode', 'LiDARInstance3DBoxes', 'CameraInstance3DBoxes',
-    'DepthInstance3DBoxes'
+    'Box3DMode', 'BaseInstance3DBoxes', 'LiDARInstance3DBoxes',
+    'CameraInstance3DBoxes', 'DepthInstance3DBoxes'
 ]

mmdet3d/core/bbox/structures/base_box3d.py

@@ -199,6 +199,24 @@ class BaseInstance3DBoxes(object):
         """
         pass
 
+    @abstractmethod
+    def convert_to(self, dst, rt_mat=None):
+        """Convert self to `dst` mode.
+
+        Args:
+            dst (BoxMode): the target Box mode
+            rt_mat (np.ndarray | torch.Tensor): The rotation and translation
+                matrix between different coordinates. Defaults to None.
+                The conversion from `src` coordinates to `dst` coordinates
+                usually comes along the change of sensors, e.g., from camera
+                to LiDAR. This requires a transformation matrix.
+
+        Returns:
+            BaseInstance3DBoxes:
+                The converted box of the same type in the `dst` mode.
+        """
+        pass
+
     def scale(self, scale_factor):
         """Scale the box with horizontal and vertical scaling factors
 

mmdet3d/core/bbox/structures/box_3d_mode.py

@@ -74,7 +74,7 @@ class Box3DMode(IntEnum):
                 to LiDAR. This requires a transformation matrix.
 
         Returns:
-            (tuple | list | np.ndarray | torch.Tensor):
+            (tuple | list | np.ndarray | torch.Tensor | BaseInstance3DBoxes):
                 The converted box of the same type.
         """
         if src == dst:

mmdet3d/core/bbox/structures/cam_box3d.py

@@ -240,3 +240,22 @@ class CameraInstance3DBoxes(BaseInstance3DBoxes):
         lowest_of_top = torch.max(boxes1_top_height, boxes2_top_height)
         overlaps_h = torch.clamp(heighest_of_bottom - lowest_of_top, min=0)
         return overlaps_h
+
+    def convert_to(self, dst, rt_mat=None):
+        """Convert self to `dst` mode.
+
+        Args:
+            dst (BoxMode): the target Box mode
+            rt_mat (np.ndarray | torch.Tensor): The rotation and translation
+                matrix between different coordinates. Defaults to None.
+                The conversion from `src` coordinates to `dst` coordinates
+                usually comes along the change of sensors, e.g., from camera
+                to LiDAR. This requires a transformation matrix.
+
+        Returns:
+            BaseInstance3DBoxes:
+                The converted box of the same type in the `dst` mode.
+        """
+        from .box_3d_mode import Box3DMode
+        return Box3DMode.convert(
+            box=self, src=Box3DMode.CAM, dst=dst, rt_mat=rt_mat)

mmdet3d/core/bbox/structures/depth_box3d.py

@@ -182,3 +182,22 @@ class DepthInstance3DBoxes(BaseInstance3DBoxes):
                           & (self.tensor[:, 0] < box_range[2])
                           & (self.tensor[:, 1] < box_range[3]))
         return in_range_flags
+
+    def convert_to(self, dst, rt_mat=None):
+        """Convert self to `dst` mode.
+
+        Args:
+            dst (BoxMode): the target Box mode
+            rt_mat (np.ndarray | torch.Tensor): The rotation and translation
+                matrix between different coordinates. Defaults to None.
+                The conversion from `src` coordinates to `dst` coordinates
+                usually comes along the change of sensors, e.g., from camera
+                to LiDAR. This requires a transformation matrix.
+
+        Returns:
+            BaseInstance3DBoxes:
+                The converted box of the same type in the `dst` mode.
+        """
+        from .box_3d_mode import Box3DMode
+        return Box3DMode.convert(
+            box=self, src=Box3DMode.DEPTH, dst=dst, rt_mat=rt_mat)

mmdet3d/core/bbox/structures/lidar_box3d.py

@@ -133,6 +133,10 @@ class LiDARInstance3DBoxes(BaseInstance3DBoxes):
         self.tensor[:, :3] = self.tensor[:, :3] @ rot_mat_T
         self.tensor[:, 6] += angle
 
+        if self.tensor.shape[1] == 9:
+            # rotate velo vector
+            self.tensor[:, 7:9] = self.tensor[:, 7:9] @ rot_mat_T[:2, :2]
+
     def flip(self, bev_direction='horizontal'):
         """Flip the boxes in BEV along given BEV direction
 
@@ -173,3 +177,22 @@ class LiDARInstance3DBoxes(BaseInstance3DBoxes):
                           & (self.tensor[:, 0] < box_range[2])
                           & (self.tensor[:, 1] < box_range[3]))
         return in_range_flags
+
+    def convert_to(self, dst, rt_mat=None):
+        """Convert self to `dst` mode.
+
+        Args:
+            dst (BoxMode): the target Box mode
+            rt_mat (np.ndarray | torch.Tensor): The rotation and translation
+                matrix between different coordinates. Defaults to None.
+                The conversion from `src` coordinates to `dst` coordinates
+                usually comes along the change of sensors, e.g., from camera
+                to LiDAR. This requires a transformation matrix.
+
+        Returns:
+            BaseInstance3DBoxes:
+                The converted box of the same type in the `dst` mode.
+        """
+        from .box_3d_mode import Box3DMode
+        return Box3DMode.convert(
+            box=self, src=Box3DMode.LIDAR, dst=dst, rt_mat=rt_mat)

mmdet3d/datasets/kitti_dataset.py

@@ -9,7 +9,7 @@ import torch
 from mmcv.utils import print_log
 
 from mmdet.datasets import DATASETS
-from ..core.bbox import box_np_ops
+from ..core.bbox import Box3DMode, CameraInstance3DBoxes, box_np_ops
 from .custom_3d import Custom3DDataset
 from .utils import remove_dontcare
 
@@ -87,13 +87,14 @@ class KittiDataset(Custom3DDataset):
         # print(gt_names, len(loc))
         gt_bboxes_3d = np.concatenate([loc, dims, rots[..., np.newaxis]],
                                       axis=1).astype(np.float32)
-        # this change gt_bboxes_3d to velodyne coordinates
-        gt_bboxes_3d = box_np_ops.box_camera_to_lidar(gt_bboxes_3d, rect,
-                                                      Trv2c)
+
+        # convert gt_bboxes_3d to velodyne coordinates
+        gt_bboxes_3d = CameraInstance3DBoxes(gt_bboxes_3d).convert_to(
+            Box3DMode.LIDAR, np.linalg.inv(rect @ Trv2c))
         gt_bboxes = annos['bbox']
 
         selected = self.drop_arrays_by_name(gt_names, ['DontCare'])
-        gt_bboxes_3d = gt_bboxes_3d[selected].astype('float32')
+        # gt_bboxes_3d = gt_bboxes_3d[selected].astype('float32')
         gt_bboxes = gt_bboxes[selected].astype('float32')
         gt_names = gt_names[selected]
 

mmdet3d/datasets/pipelines/formating.py

 import numpy as np
 from mmcv.parallel import DataContainer as DC
 
+from mmdet3d.core.bbox import BaseInstance3DBoxes
 from mmdet.datasets.builder import PIPELINES
 from mmdet.datasets.pipelines import to_tensor
 
@@ -39,9 +40,8 @@ class DefaultFormatBundle(object):
                 img = np.ascontiguousarray(results['img'].transpose(2, 0, 1))
                 results['img'] = DC(to_tensor(img), stack=True)
         for key in [
-                'proposals', 'gt_bboxes', 'gt_bboxes_3d', 'gt_bboxes_ignore',
-                'gt_labels', 'gt_labels_3d', 'pts_instance_mask',
-                'pts_semantic_mask'
+                'proposals', 'gt_bboxes', 'gt_bboxes_ignore', 'gt_labels',
+                'gt_labels_3d', 'pts_instance_mask', 'pts_semantic_mask'
         ]:
             if key not in results:
                 continue
@@ -49,6 +49,14 @@ class DefaultFormatBundle(object):
                 results[key] = DC([to_tensor(res) for res in results[key]])
             else:
                 results[key] = DC(to_tensor(results[key]))
+        if 'gt_bboxes_3d' in results:
+            if isinstance(results['gt_bboxes_3d'], BaseInstance3DBoxes):
+                results['gt_bboxes_3d'] = DC(
+                    results['gt_bboxes_3d'], cpu_only=True)
+            else:
+                results['gt_bboxes_3d'] = DC(
+                    to_tensor(results['gt_bboxes_3d']))
+
         if 'gt_masks' in results:
             results['gt_masks'] = DC(results['gt_masks'], cpu_only=True)
         if 'gt_semantic_seg' in results:

mmdet3d/datasets/pipelines/train_aug.py

@@ -26,12 +26,8 @@ class RandomFlip3D(RandomFlip):
         self.sync_2d = sync_2d
 
     def random_flip_points(self, gt_bboxes_3d, points):
-        gt_bboxes_3d[:, 1] = -gt_bboxes_3d[:, 1]
-        gt_bboxes_3d[:, 6] = -gt_bboxes_3d[:, 6] + np.pi
+        gt_bboxes_3d.flip()
         points[:, 1] = -points[:, 1]
-        if gt_bboxes_3d.shape[1] == 9:
-            # flip velocitys at the same time
-            gt_bboxes_3d[:, 8] = -gt_bboxes_3d[:, 8]
         return gt_bboxes_3d, points
 
     def __call__(self, input_dict):
@@ -121,10 +117,13 @@ class ObjectSample(object):
             gt_bboxes_2d = input_dict['gt_bboxes']
             # Assume for now 3D & 2D bboxes are the same
             sampled_dict = self.db_sampler.sample_all(
-                gt_bboxes_3d, gt_labels_3d, gt_bboxes_2d=gt_bboxes_2d, img=img)
+                gt_bboxes_3d.tensor.numpy(),
+                gt_labels_3d,
+                gt_bboxes_2d=gt_bboxes_2d,
+                img=img)
         else:
             sampled_dict = self.db_sampler.sample_all(
-                gt_bboxes_3d, gt_labels_3d, img=None)
+                gt_bboxes_3d.tensor.numpy(), gt_labels_3d, img=None)
 
         if sampled_dict is not None:
             sampled_gt_bboxes_3d = sampled_dict['gt_bboxes_3d']
@@ -133,8 +132,9 @@ class ObjectSample(object):
 
             gt_labels_3d = np.concatenate([gt_labels_3d, sampled_gt_labels],
                                           axis=0)
-            gt_bboxes_3d = np.concatenate([gt_bboxes_3d, sampled_gt_bboxes_3d
-                                           ]).astype(np.float32)
+            gt_bboxes_3d = gt_bboxes_3d.new_box(
+                np.concatenate(
+                    [gt_bboxes_3d.tensor.numpy(), sampled_gt_bboxes_3d]))
 
             points = self.remove_points_in_boxes(points, sampled_gt_bboxes_3d)
             # check the points dimension
@@ -178,14 +178,16 @@ class ObjectNoise(object):
         points = input_dict['points']
 
         # TODO: check this inplace function
+        numpy_box = gt_bboxes_3d.tensor.numpy()
         noise_per_object_v3_(
-            gt_bboxes_3d,
+            numpy_box,
             points,
             rotation_perturb=self.rot_uniform_noise,
             center_noise_std=self.loc_noise_std,
             global_random_rot_range=self.global_rot_range,
             num_try=self.num_try)
-        input_dict['gt_bboxes_3d'] = gt_bboxes_3d.astype('float32')
+
+        input_dict['gt_bboxes_3d'] = gt_bboxes_3d.new_box(numpy_box)
         input_dict['points'] = points
         return input_dict
 
@@ -212,7 +214,7 @@ class GlobalRotScale(object):
     def _trans_bbox_points(self, gt_boxes, points):
         noise_trans = np.random.normal(0, self.trans_normal_noise[0], 3).T
         points[:, :3] += noise_trans
-        gt_boxes[:, :3] += noise_trans
+        gt_boxes.translate(noise_trans)
         return gt_boxes, points, noise_trans
 
     def _rot_bbox_points(self, gt_boxes, points, rotation=np.pi / 4):
@@ -221,16 +223,8 @@ class GlobalRotScale(object):
         noise_rotation = np.random.uniform(rotation[0], rotation[1])
         points[:, :3], rot_mat_T = box_np_ops.rotation_points_single_angle(
             points[:, :3], noise_rotation, axis=2)
-        gt_boxes[:, :3], _ = box_np_ops.rotation_points_single_angle(
-            gt_boxes[:, :3], noise_rotation, axis=2)
-        gt_boxes[:, 6] += noise_rotation
-        if gt_boxes.shape[1] == 9:
-            # rotate velo vector
-            rot_cos = np.cos(noise_rotation)
-            rot_sin = np.sin(noise_rotation)
-            rot_mat_T_bev = np.array([[rot_cos, -rot_sin], [rot_sin, rot_cos]],
-                                     dtype=points.dtype)
-            gt_boxes[:, 7:9] = gt_boxes[:, 7:9] @ rot_mat_T_bev
+        gt_boxes.rotate(noise_rotation)
+
         return gt_boxes, points, rot_mat_T
 
     def _scale_bbox_points(self,
@@ -240,9 +234,7 @@ class GlobalRotScale(object):
                            max_scale=1.05):
         noise_scale = np.random.uniform(min_scale, max_scale)
         points[:, :3] *= noise_scale
-        gt_boxes[:, :6] *= noise_scale
-        if gt_boxes.shape[1] == 9:
-            gt_boxes[:, 7:] *= noise_scale
+        gt_boxes.scale(noise_scale)
         return gt_boxes, points, noise_scale
 
     def __call__(self, input_dict):
@@ -256,7 +248,7 @@ class GlobalRotScale(object):
         gt_bboxes_3d, points, trans_factor = self._trans_bbox_points(
             gt_bboxes_3d, points)
 
-        input_dict['gt_bboxes_3d'] = gt_bboxes_3d.astype('float32')
+        input_dict['gt_bboxes_3d'] = gt_bboxes_3d
         input_dict['points'] = points
         input_dict['pcd_scale_factor'] = scale_factor
         input_dict['pcd_rotation'] = rotation_factor
@@ -290,10 +282,6 @@ class ObjectRangeFilter(object):
         self.pcd_range = np.array(point_cloud_range, dtype=np.float32)
         self.bev_range = self.pcd_range[[0, 1, 3, 4]]
 
-    @staticmethod
-    def limit_period(val, offset=0.5, period=np.pi):
-        return val - np.floor(val / period + offset) * period
-
     @staticmethod
     def filter_gt_box_outside_range(gt_bboxes_3d, limit_range):
         """remove gtbox outside training range.
@@ -314,14 +302,13 @@ class ObjectRangeFilter(object):
     def __call__(self, input_dict):
         gt_bboxes_3d = input_dict['gt_bboxes_3d']
         gt_labels_3d = input_dict['gt_labels_3d']
-        mask = self.filter_gt_box_outside_range(gt_bboxes_3d, self.bev_range)
+        mask = gt_bboxes_3d.in_range_bev(self.bev_range)
         gt_bboxes_3d = gt_bboxes_3d[mask]
         gt_labels_3d = gt_labels_3d[mask]
 
         # limit rad to [-pi, pi]
-        gt_bboxes_3d[:, 6] = self.limit_period(
-            gt_bboxes_3d[:, 6], offset=0.5, period=2 * np.pi)
-        input_dict['gt_bboxes_3d'] = gt_bboxes_3d.astype('float32')
+        gt_bboxes_3d.limit_yaw(offset=0.5, period=2 * np.pi)
+        input_dict['gt_bboxes_3d'] = gt_bboxes_3d
         input_dict['gt_labels_3d'] = gt_labels_3d
 
         return input_dict

mmdet3d/models/dense_heads/train_mixins.py

@@ -168,6 +168,8 @@ class AnchorTrainMixin(object):
         labels = anchors.new_zeros(num_valid_anchors, dtype=torch.long)
         label_weights = anchors.new_zeros(num_valid_anchors, dtype=torch.float)
         if len(gt_bboxes) > 0:
+            if not isinstance(gt_bboxes, torch.Tensor):
+                gt_bboxes = gt_bboxes.tensor.to(anchors.device)
             assign_result = bbox_assigner.assign(anchors, gt_bboxes,
                                                  gt_bboxes_ignore, gt_labels)
             sampling_result = self.bbox_sampler.sample(assign_result, anchors,

tests/test_pipeline/test_outdoor_pipeline.py

+import numpy as np
+import torch
+
+from mmdet3d.core.bbox import LiDARInstance3DBoxes
+from mmdet3d.datasets.pipelines import Compose
+
+
+def test_outdoor_pipeline():
+    point_cloud_range = [0, -40, -3, 70.4, 40, 1]
+    class_names = ['Car']
+    np.random.seed(0)
+
+    train_pipeline = [
+        dict(type='LoadPointsFromFile', load_dim=4, use_dim=4),
+        dict(type='LoadAnnotations3D', with_bbox_3d=True, with_label_3d=True),
+        dict(
+            type='ObjectNoise',
+            num_try=100,
+            loc_noise_std=[1.0, 1.0, 0.5],
+            global_rot_range=[0.0, 0.0],
+            rot_uniform_noise=[-0.78539816, 0.78539816]),
+        dict(type='RandomFlip3D', flip_ratio=0.5),
+        dict(
+            type='GlobalRotScale',
+            rot_uniform_noise=[-0.78539816, 0.78539816],
+            scaling_uniform_noise=[0.95, 1.05]),
+        dict(type='PointsRangeFilter', point_cloud_range=point_cloud_range),
+        dict(type='ObjectRangeFilter', point_cloud_range=point_cloud_range),
+        dict(type='PointShuffle'),
+        dict(type='DefaultFormatBundle3D', class_names=class_names),
+        dict(
+            type='Collect3D', keys=['points', 'gt_bboxes_3d', 'gt_labels_3d'])
+    ]
+    pipeline = Compose(train_pipeline)
+
+    gt_bboxes_3d = LiDARInstance3DBoxes(
+        torch.tensor([
+            [
+                2.16902428e+01, -4.06038128e-02, -1.61906636e+00,
+                1.65999997e+00, 3.20000005e+00, 1.61000001e+00, -1.53999996e+00
+            ],
+            [
+                7.05006886e+00, -6.57459593e+00, -1.60107934e+00,
+                2.27999997e+00, 1.27799997e+01, 3.66000009e+00, 1.54999995e+00
+            ],
+            [
+                2.24698811e+01, -6.69203758e+00, -1.50118136e+00,
+                2.31999993e+00, 1.47299995e+01, 3.64000010e+00, 1.59000003e+00
+            ],
+            [
+                3.48291969e+01, -7.09058380e+00, -1.36622977e+00,
+                2.31999993e+00, 1.00400000e+01, 3.60999990e+00, 1.61000001e+00
+            ],
+            [
+                4.62394600e+01, -7.75838804e+00, -1.32405007e+00,
+                2.33999991e+00, 1.28299999e+01, 3.63000011e+00, 1.63999999e+00
+            ],
+            [
+                2.82966995e+01, -5.55755794e-01, -1.30332506e+00,
+                1.47000003e+00, 2.23000002e+00, 1.48000002e+00, -1.57000005e+00
+            ],
+            [
+                2.66690197e+01, 2.18230209e+01, -1.73605704e+00,
+                1.55999994e+00, 3.48000002e+00, 1.39999998e+00, -1.69000006e+00
+            ],
+            [
+                3.13197803e+01, 8.16214371e+00, -1.62177873e+00,
+                1.74000001e+00, 3.76999998e+00, 1.48000002e+00, 2.78999996e+00
+            ],
+            [
+                4.34395561e+01, -1.95209332e+01, -1.20757008e+00,
+                1.69000006e+00, 4.09999990e+00, 1.40999997e+00, -1.53999996e+00
+            ],
+            [
+                3.29882965e+01, -3.79360509e+00, -1.69245458e+00,
+                1.74000001e+00, 4.09000015e+00, 1.49000001e+00, -1.52999997e+00
+            ],
+            [
+                3.85469360e+01, 8.35060215e+00, -1.31423414e+00,
+                1.59000003e+00, 4.28000021e+00, 1.45000005e+00, 1.73000002e+00
+            ],
+            [
+                2.22492104e+01, -1.13536005e+01, -1.38272512e+00,
+                1.62000000e+00, 3.55999994e+00, 1.71000004e+00, 2.48000002e+00
+            ],
+            [
+                3.36115799e+01, -1.97708054e+01, -4.92827654e-01,
+                1.64999998e+00, 3.54999995e+00, 1.79999995e+00, -1.57000005e+00
+            ],
+            [
+                9.85029602e+00, -1.51294518e+00, -1.66834795e+00,
+                1.59000003e+00, 3.17000008e+00, 1.38999999e+00, -8.39999974e-01
+            ]
+        ],
+                     dtype=torch.float32))
+    gt_labels_3d = np.array([0, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0])
+    results = dict(
+        pts_filename='tests/data/kitti/a.bin',
+        ann_info=dict(gt_bboxes_3d=gt_bboxes_3d, gt_labels_3d=gt_labels_3d),
+        bbox3d_fields=[],
+    )
+
+    output = pipeline(results)
+
+    expected_tensor = torch.tensor(
+        [[20.6514, -8.8250, -1.0816, 1.5893, 3.0637, 1.5414, -1.9216],
+         [7.9374, 4.9457, -1.2008, 2.1829, 12.2357, 3.5041, 1.6629],
+         [20.8115, -2.0273, -1.8893, 2.2212, 14.1026, 3.4850, 2.6513],
+         [32.3850, -5.2135, -1.1321, 2.2212, 9.6124, 3.4562, 2.6498],
+         [43.7022, -7.8316, -0.5090, 2.2403, 12.2836, 3.4754, 2.0146],
+         [25.3300, -9.6670, -1.0855, 1.4074, 2.1350, 1.4170, -0.7141],
+         [16.5414, -29.0583, -0.9768, 1.4936, 3.3318, 1.3404, -0.7153],
+         [24.6548, -18.9226, -1.3567, 1.6659, 3.6094, 1.4170, 1.3970],
+         [45.8403, 1.8183, -1.1626, 1.6180, 3.9254, 1.3499, -0.6886],
+         [30.6288, -8.4497, -1.4881, 1.6659, 3.9158, 1.4265, -0.7241],
+         [32.3316, -22.4611, -1.3131, 1.5223, 4.0977, 1.3882, 2.4186],
+         [22.4492, 3.2944, -2.1674, 1.5510, 3.4084, 1.6372, 0.3928],
+         [37.3824, 5.0472, -0.6579, 1.5797, 3.3988, 1.7233, -1.4862],
+         [8.9259, -1.2578, -1.6081, 1.5223, 3.0350, 1.3308, -1.7212]])
+    assert torch.allclose(
+        output['gt_bboxes_3d']._data.tensor, expected_tensor, atol=1e-3)