[Fix] Fix demo bugs due to data flow refactor (#1799)

* fix bugs

* fix bugs 2

* fix seg demo

* update use collate data in mmengine

demo/inference_demo.ipynb

@@ -94,7 +94,8 @@
     "visualizer.add_datasample(\n",
     "    'result',\n",
     "    data_input,\n",
-    "    pred_sample=result,\n",
+    "    data_sample=result,\n",
+    "    draw_gt=False,\n",
     "    show=True,\n",
     "    wait_time=0,\n",
     "    out_file=out_dir,\n",

demo/mono_det_demo.py

@@ -60,7 +60,8 @@ def main(args):
     visualizer.add_datasample(
         'result',
         data_input,
-        pred_sample=result,
+        data_sample=result,
+        draw_gt=False,
         show=True,
         wait_time=0,
         out_file=args.out_dir,

demo/multi_modality_demo.py

@@ -61,7 +61,8 @@ def main(args):
     visualizer.add_datasample(
         'result',
         data_input,
-        pred_sample=result,
+        data_sample=result,
+        draw_gt=False,
         show=True,
         wait_time=0,
         out_file=args.out_dir,

demo/pcd_demo.py

@@ -50,7 +50,8 @@ def main(args):
     visualizer.add_datasample(
         'result',
         data_input,
-        pred_sample=result,
+        data_sample=result,
+        draw_gt=False,
         show=True,
         wait_time=0,
         out_file=args.out_dir,

demo/pcd_seg_demo.py

@@ -46,7 +46,8 @@ def main(args):
     visualizer.add_datasample(
         'result',
         data_input,
-        pred_sample=result,
+        data_sample=result,
+        draw_gt=False,
         show=True,
         wait_time=0,
         out_file=args.out_dir,

mmdet3d/apis/inference.py

@@ -10,7 +10,7 @@ import numpy as np
 import torch
 import torch.nn as nn
 from mmengine.config import Config
-from mmengine.dataset import Compose
+from mmengine.dataset import Compose, pseudo_collate
 from mmengine.runner import load_checkpoint
 
 from mmdet3d.registry import MODELS
@@ -60,8 +60,7 @@ def init_model(config: Union[str, Path, Config],
                         f'but got {type(config)}')
     if cfg_options is not None:
         config.merge_from_dict(cfg_options)
-    elif 'init_cfg' in config.model.backbone:
-        config.model.backbone.init_cfg = None
+
     convert_SyncBN(config.model)
     config.model.train_cfg = None
     model = MODELS.build(config.model)
@@ -159,9 +158,11 @@ def inference_detector(model: nn.Module,
         data_ = test_pipeline(data_)
         data.append(data_)
 
+    collate_data = pseudo_collate(data)
+
     # forward the model
     with torch.no_grad():
-        results = model.test_step(data)
+        results = model.test_step(collate_data)
 
     if not is_batch:
         return results[0], data[0]
@@ -245,13 +246,11 @@ def inference_multi_modality_detector(model: nn.Module,
         data_ = test_pipeline(data_)
         data.append(data_)
 
+    collate_data = pseudo_collate(data)
+
     # forward the model
     with torch.no_grad():
-        results = model.test_step(data)
-
-    for index in range(len(data)):
-        meta_info = data[index]['data_samples'].metainfo
-        results[index].set_metainfo(meta_info)
+        results = model.test_step(collate_data)
 
     if not is_batch:
         return results[0], data[0]
@@ -315,13 +314,11 @@ def inference_mono_3d_detector(model: nn.Module,
         data_ = test_pipeline(data_)
         data.append(data_)
 
+    collate_data = pseudo_collate(data)
+
     # forward the model
     with torch.no_grad():
-        results = model.test_step(data)
-
-    for index in range(len(data)):
-        meta_info = data[index]['data_samples'].metainfo
-        results[index].set_metainfo(meta_info)
+        results = model.test_step(collate_data)
 
     if not is_batch:
         return results[0]
@@ -352,7 +349,12 @@ def inference_segmentor(model: nn.Module, pcds: PointsType):
 
     # build the data pipeline
     test_pipeline = deepcopy(cfg.test_dataloader.dataset.pipeline)
-    test_pipeline = Compose(test_pipeline)
+
+    new_test_pipeline = []
+    for pipeline in test_pipeline:
+        if pipeline['type'] != 'LoadAnnotations3D':
+            new_test_pipeline.append(pipeline)
+    test_pipeline = Compose(new_test_pipeline)
 
     data = []
     # TODO: support load points array
@@ -361,9 +363,11 @@ def inference_segmentor(model: nn.Module, pcds: PointsType):
         data_ = test_pipeline(data_)
         data.append(data_)
 
+    collate_data = pseudo_collate(data)
+
     # forward the model
     with torch.no_grad():
-        results = model.test_step(data)
+        results = model.test_step(collate_data)
 
     if not is_batch:
         return results[0], data[0]

mmdet3d/models/segmentors/base.py

 # Copyright (c) OpenMMLab. All rights reserved.
 from abc import ABCMeta, abstractmethod
-from typing import List, Tuple
+from typing import List, Tuple, Union
 
 from mmengine.model import BaseModel
 from torch import Tensor
@@ -64,8 +64,8 @@ class Base3DSegmentor(BaseModel, metaclass=ABCMeta):
         pass
 
     def forward(self,
-                batch_inputs_dict: Tensor,
-                batch_data_samples: OptSampleList = None,
+                inputs: Union[dict, List[dict]],
+                data_samples: OptSampleList = None,
                 mode: str = 'tensor') -> ForwardResults:
         """The unified entry for a forward process in both training and test.
 
@@ -82,12 +82,12 @@ class Base3DSegmentor(BaseModel, metaclass=ABCMeta):
         optimizer updating, which are done in the :meth:`train_step`.
 
         Args:
-            batch_inputs_dict (dict): Input sample dict which
+            inputs (dict | List[dict]): Input sample dict which
                 includes 'points' and 'imgs' keys.
 
                 - points (list[torch.Tensor]): Point cloud of each sample.
                 - imgs (torch.Tensor): Image tensor has shape (B, C, H, W).
-            batch_data_samples (list[:obj:`Det3DDataSample`], optional):
+            data_samples (list[:obj:`Det3DDataSample`], optional):
                 The annotation data of every samples. Defaults to None.
             mode (str): Return what kind of value. Defaults to 'tensor'.
 
@@ -99,11 +99,11 @@ class Base3DSegmentor(BaseModel, metaclass=ABCMeta):
             - If ``mode="loss"``, return a dict of tensor.
         """
         if mode == 'loss':
-            return self.loss(batch_inputs_dict, batch_data_samples)
+            return self.loss(inputs, data_samples)
         elif mode == 'predict':
-            return self.predict(batch_inputs_dict, batch_data_samples)
+            return self.predict(inputs, data_samples)
         elif mode == 'tensor':
-            return self._forward(batch_inputs_dict, batch_data_samples)
+            return self._forward(inputs, data_samples)
         else:
             raise RuntimeError(f'Invalid mode "{mode}". '
                                'Only supports loss, predict and tensor mode')

mmdet3d/visualization/local_visualizer.py

@@ -354,9 +354,7 @@ class Det3DLocalVisualizer(DetLocalVisualizer):
 
         bboxes_3d = instances.bboxes_3d  # BaseInstance3DBoxes
 
-        drawn_img = None
-        drawn_points = None
-        drawn_bboxes_3d = None
+        data_3d = dict()
 
         if vis_task in ['det', 'multi_modality-det']:
             assert 'points' in data_input
@@ -372,8 +370,8 @@ class Det3DLocalVisualizer(DetLocalVisualizer):
             self.set_points(points, pcd_mode=2, vis_task=vis_task)
             self.draw_bboxes_3d(bboxes_3d_depth)
 
-            drawn_bboxes_3d = tensor2ndarray(bboxes_3d_depth.tensor)
-            drawn_points = points
+            data_3d['bboxes_3d'] = tensor2ndarray(bboxes_3d_depth.tensor)
+            data_3d['points'] = points
 
         if vis_task in ['mono-det', 'multi_modality-det']:
             assert 'img' in data_input
@@ -384,9 +382,8 @@ class Det3DLocalVisualizer(DetLocalVisualizer):
             self.set_image(img)
             self.draw_proj_bboxes_3d(bboxes_3d, input_meta)
             drawn_img = self.get_image()
+            data_3d['img'] = drawn_img
 
-        data_3d = dict(
-            points=drawn_points, img=drawn_img, bboxes_3d=drawn_bboxes_3d)
         return data_3d
 
     def _draw_pts_sem_seg(self,
@@ -578,6 +575,7 @@ class Det3DLocalVisualizer(DetLocalVisualizer):
                                            palette, ignore_index)
 
         # monocular 3d object detection image
+        if vis_task in ['mono-det', 'multi_modality-det']:
             if gt_data_3d is not None and pred_data_3d is not None:
                 drawn_img_3d = np.concatenate(
                     (gt_data_3d['img'], pred_data_3d['img']), axis=1)
@@ -618,6 +616,7 @@ class Det3DLocalVisualizer(DetLocalVisualizer):
                 write_oriented_bbox(gt_data_3d['bboxes_3d'],
                                     osp.join(out_file, 'gt_bbox.obj'))
             if pred_data_3d is not None:
+                if 'points' in pred_data_3d:
                     write_obj(pred_data_3d['points'],
                               osp.join(out_file, 'points.obj'))
                     write_oriented_bbox(pred_data_3d['bboxes_3d'],