waymo_dataset.py 26.5 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
# OpenPCDet PyTorch Dataloader and Evaluation Tools for Waymo Open Dataset
# Reference https://github.com/open-mmlab/OpenPCDet
# Written by Shaoshuai Shi, Chaoxu Guo
# All Rights Reserved 2019-2020.

import os
import pickle
import copy
import numpy as np
import torch
11
import multiprocessing
12
13
import SharedArray
import torch.distributed as dist
14
from tqdm import tqdm
Shaoshuai Shi's avatar
Shaoshuai Shi committed
15
from pathlib import Path
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
from ...ops.roiaware_pool3d import roiaware_pool3d_utils
from ...utils import box_utils, common_utils
from ..dataset import DatasetTemplate


class WaymoDataset(DatasetTemplate):
    def __init__(self, dataset_cfg, class_names, training=True, root_path=None, logger=None):
        super().__init__(
            dataset_cfg=dataset_cfg, class_names=class_names, training=training, root_path=root_path, logger=logger
        )
        self.data_path = self.root_path / self.dataset_cfg.PROCESSED_DATA_TAG
        self.split = self.dataset_cfg.DATA_SPLIT[self.mode]
        split_dir = self.root_path / 'ImageSets' / (self.split + '.txt')
        self.sample_sequence_list = [x.strip() for x in open(split_dir).readlines()]

        self.infos = []
32
        self.seq_name_to_infos = self.include_waymo_data(self.mode)
33

34
35
36
37
38
        self.use_shared_memory = self.dataset_cfg.get('USE_SHARED_MEMORY', False) and self.training
        if self.use_shared_memory:
            self.shared_memory_file_limit = self.dataset_cfg.get('SHARED_MEMORY_FILE_LIMIT', 0x7FFFFFFF)
            self.load_data_to_shared_memory()

39
40
41
42
43
44
45
46
47
    def set_split(self, split):
        super().__init__(
            dataset_cfg=self.dataset_cfg, class_names=self.class_names, training=self.training,
            root_path=self.root_path, logger=self.logger
        )
        self.split = split
        split_dir = self.root_path / 'ImageSets' / (self.split + '.txt')
        self.sample_sequence_list = [x.strip() for x in open(split_dir).readlines()]
        self.infos = []
48
        self.seq_name_to_infos = self.include_waymo_data(self.mode)
49
50
51
52

    def include_waymo_data(self, mode):
        self.logger.info('Loading Waymo dataset')
        waymo_infos = []
53
        seq_name_to_infos = {}
54
55
56
57
58
59
60
61
62
63
64
65
66

        num_skipped_infos = 0
        for k in range(len(self.sample_sequence_list)):
            sequence_name = os.path.splitext(self.sample_sequence_list[k])[0]
            info_path = self.data_path / sequence_name / ('%s.pkl' % sequence_name)
            info_path = self.check_sequence_name_with_all_version(info_path)
            if not info_path.exists():
                num_skipped_infos += 1
                continue
            with open(info_path, 'rb') as f:
                infos = pickle.load(f)
                waymo_infos.extend(infos)

67
68
            seq_name_to_infos[infos[0]['point_cloud']['lidar_sequence']] = infos

69
70
71
72
73
74
75
76
77
78
79
        self.infos.extend(waymo_infos[:])
        self.logger.info('Total skipped info %s' % num_skipped_infos)
        self.logger.info('Total samples for Waymo dataset: %d' % (len(waymo_infos)))

        if self.dataset_cfg.SAMPLED_INTERVAL[mode] > 1:
            sampled_waymo_infos = []
            for k in range(0, len(self.infos), self.dataset_cfg.SAMPLED_INTERVAL[mode]):
                sampled_waymo_infos.append(self.infos[k])
            self.infos = sampled_waymo_infos
            self.logger.info('Total sampled samples for Waymo dataset: %d' % len(self.infos))

80
81
        return seq_name_to_infos

82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
    def load_data_to_shared_memory(self):
        self.logger.info(f'Loading training data to shared memory (file limit={self.shared_memory_file_limit})')

        cur_rank, num_gpus = common_utils.get_dist_info()
        all_infos = self.infos[:self.shared_memory_file_limit] \
            if self.shared_memory_file_limit < len(self.infos) else self.infos
        cur_infos = all_infos[cur_rank::num_gpus]
        for info in cur_infos:
            pc_info = info['point_cloud']
            sequence_name = pc_info['lidar_sequence']
            sample_idx = pc_info['sample_idx']

            sa_key = f'{sequence_name}___{sample_idx}'
            if os.path.exists(f"/dev/shm/{sa_key}"):
                continue

            points = self.get_lidar(sequence_name, sample_idx)
            common_utils.sa_create(f"shm://{sa_key}", points)

        dist.barrier()
        self.logger.info('Training data has been saved to shared memory')

104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
    def clean_shared_memory(self):
        self.logger.info(f'Clean training data from shared memory (file limit={self.shared_memory_file_limit})')

        cur_rank, num_gpus = common_utils.get_dist_info()
        all_infos = self.infos[:self.shared_memory_file_limit] \
            if self.shared_memory_file_limit < len(self.infos) else self.infos
        cur_infos = all_infos[cur_rank::num_gpus]
        for info in cur_infos:
            pc_info = info['point_cloud']
            sequence_name = pc_info['lidar_sequence']
            sample_idx = pc_info['sample_idx']

            sa_key = f'{sequence_name}___{sample_idx}'
            if not os.path.exists(f"/dev/shm/{sa_key}"):
                continue

            SharedArray.delete(f"shm://{sa_key}")

122
123
        if num_gpus > 1:
            dist.barrier()
124
125
        self.logger.info('Training data has been deleted from shared memory')

126
127
    @staticmethod
    def check_sequence_name_with_all_version(sequence_file):
128
129
130
131
132
133
134
135
136
137
138
139
        if not sequence_file.exists():
            found_sequence_file = sequence_file
            for pre_text in ['training', 'validation', 'testing']:
                if not sequence_file.exists():
                    temp_sequence_file = Path(str(sequence_file).replace('segment', pre_text + '_segment'))
                    if temp_sequence_file.exists():
                        found_sequence_file = temp_sequence_file
                        break
            if not found_sequence_file.exists():
                found_sequence_file = Path(str(sequence_file).replace('_with_camera_labels', ''))
            if found_sequence_file.exists():
                sequence_file = found_sequence_file
140
141
        return sequence_file

142
    def get_infos(self, raw_data_path, save_path, num_workers=multiprocessing.cpu_count(), has_label=True, sampled_interval=1, update_info_only=False):
143
144
        from functools import partial
        from . import waymo_utils
Shaoshuai Shi's avatar
Shaoshuai Shi committed
145
146
        print('---------------The waymo sample interval is %d, total sequecnes is %d-----------------'
              % (sampled_interval, len(self.sample_sequence_list)))
147
148
149

        process_single_sequence = partial(
            waymo_utils.process_single_sequence,
150
            save_path=save_path, sampled_interval=sampled_interval, has_label=has_label, update_info_only=update_info_only
151
152
153
154
155
156
        )
        sample_sequence_file_list = [
            self.check_sequence_name_with_all_version(raw_data_path / sequence_file)
            for sequence_file in self.sample_sequence_list
        ]

157
158
        with multiprocessing.Pool(num_workers) as p:
            sequence_infos = list(tqdm(p.imap(process_single_sequence, sample_sequence_file_list),
159
                                       total=len(sample_sequence_file_list)))
160

161
162
163
164
165
166
167
168
        all_sequences_infos = [item for infos in sequence_infos for item in infos]
        return all_sequences_infos

    def get_lidar(self, sequence_name, sample_idx):
        lidar_file = self.data_path / sequence_name / ('%04d.npy' % sample_idx)
        point_features = np.load(lidar_file)  # (N, 7): [x, y, z, intensity, elongation, NLZ_flag]

        points_all, NLZ_flag = point_features[:, 0:5], point_features[:, 5]
169
170
        if not self.dataset_cfg.get('DISABLE_NLZ_FLAG_ON_POINTS', False):
            points_all = points_all[NLZ_flag == -1]
171
172
173
        points_all[:, 3] = np.tanh(points_all[:, 3])
        return points_all

174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
    def get_sequence_data(self, info, points, sequence_name, sample_idx, sequence_cfg):
        """
        Args:
            info:
            points:
            sequence_name:
            sample_idx:
            sequence_cfg:
        Returns:
        """

        def remove_ego_points(points, center_radius=1.0):
            mask = ~((np.abs(points[:, 0]) < center_radius) & (np.abs(points[:, 1]) < center_radius))
            return points[mask]

        pose_cur = info['pose'].reshape((4, 4))
        num_pts_cur = points.shape[0]
        sample_idx_pre_list = np.clip(sample_idx + np.arange(
            sequence_cfg.SAMPLE_OFFSET[0], sequence_cfg.SAMPLE_OFFSET[1]), 0, 0x7FFFFFFF)
        if sequence_cfg.get('ONEHOT_TIMESTAMP', False):
            onehot_cur = np.zeros((points.shape[0], len(sample_idx_pre_list) + 1)).astype(points.dtype)
            onehot_cur[:, 0] = 1
            points = np.hstack([points, onehot_cur])
        else:
            points = np.hstack([points, np.zeros((points.shape[0], 1)).astype(points.dtype)])
        points_pre_all = []
        num_points_pre = []

        sequence_info = self.seq_name_to_infos[sequence_name]

        for i, sample_idx_pre in enumerate(sample_idx_pre_list):
            if sample_idx == sample_idx_pre:
                continue

            points_pre = self.get_lidar(sequence_name, sample_idx_pre)
            pose_pre = sequence_info[sample_idx_pre]['pose'].reshape((4, 4))
            expand_points_pre = np.concatenate([points_pre[:, :3], np.ones((points_pre.shape[0], 1))], axis=-1)
            points_pre_global = np.dot(expand_points_pre, pose_pre.T)[:, :3]
            expand_points_pre_global = np.concatenate([points_pre_global,
                                                       np.ones((points_pre_global.shape[0], 1))], axis=-1)
            points_pre2cur = np.dot(expand_points_pre_global, np.linalg.inv(pose_cur.T))[:, :3]
            points_pre = np.concatenate([points_pre2cur, points_pre[:, 3:]], axis=-1)
            if sequence_cfg.get('ONEHOT_TIMESTAMP', False):
                onehot_vector = np.zeros((points_pre.shape[0], len(sample_idx_pre_list) + 1))
                onehot_vector[:, i + 1] = 1
                points_pre = np.hstack([points_pre, onehot_vector])
            else:
                # add timestamp
                points_pre = np.hstack([points_pre, 0.1 * (sample_idx - sample_idx_pre)
                                        * np.ones((points_pre.shape[0], 1)).astype(points_pre.dtype)])  # one frame 0.1s
            points_pre = remove_ego_points(points_pre, 1.0)
            points_pre_all.append(points_pre)
            num_points_pre.append(points_pre.shape[0])
        points = np.concatenate([points] + points_pre_all, axis=0)
        num_points_all = np.array([num_pts_cur] + num_points_pre).astype(np.int)
        return points, num_points_all, sample_idx_pre_list

231
232
233
234
235
236
237
238
239
240
241
242
243
244
    def __len__(self):
        if self._merge_all_iters_to_one_epoch:
            return len(self.infos) * self.total_epochs

        return len(self.infos)

    def __getitem__(self, index):
        if self._merge_all_iters_to_one_epoch:
            index = index % len(self.infos)

        info = copy.deepcopy(self.infos[index])
        pc_info = info['point_cloud']
        sequence_name = pc_info['lidar_sequence']
        sample_idx = pc_info['sample_idx']
245
246
247
248
249
250

        if self.use_shared_memory and index < self.shared_memory_file_limit:
            sa_key = f'{sequence_name}___{sample_idx}'
            points = SharedArray.attach(f"shm://{sa_key}").copy()
        else:
            points = self.get_lidar(sequence_name, sample_idx)
251

252
253
254
255
256
        if self.dataset_cfg.get('SEQUENCE_CONFIG', None) is not None and self.dataset_cfg.SEQUENCE_CONFIG.ENABLED:
            points, num_points_all, sample_idx_pre_list = self.get_sequence_data(
                info, points, sequence_name, sample_idx, self.dataset_cfg.SEQUENCE_CONFIG
            )

257
258
259
260
261
262
263
264
265
266
267
268
269
270
        input_dict = {
            'points': points,
            'frame_id': info['frame_id'],
        }

        if 'annos' in info:
            annos = info['annos']
            annos = common_utils.drop_info_with_name(annos, name='unknown')

            if self.dataset_cfg.get('INFO_WITH_FAKELIDAR', False):
                gt_boxes_lidar = box_utils.boxes3d_kitti_fakelidar_to_lidar(annos['gt_boxes_lidar'])
            else:
                gt_boxes_lidar = annos['gt_boxes_lidar']

271
272
273
274
275
276
            if self.training and self.dataset_cfg.get('FILTER_EMPTY_BOXES_FOR_TRAIN', False):
                mask = (annos['num_points_in_gt'] > 0)  # filter empty boxes
                annos['name'] = annos['name'][mask]
                gt_boxes_lidar = gt_boxes_lidar[mask]
                annos['num_points_in_gt'] = annos['num_points_in_gt'][mask]

277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
            input_dict.update({
                'gt_names': annos['name'],
                'gt_boxes': gt_boxes_lidar,
                'num_points_in_gt': annos.get('num_points_in_gt', None)
            })

        data_dict = self.prepare_data(data_dict=input_dict)
        data_dict['metadata'] = info.get('metadata', info['frame_id'])
        data_dict.pop('num_points_in_gt', None)
        return data_dict

    @staticmethod
    def generate_prediction_dicts(batch_dict, pred_dicts, class_names, output_path=None):
        """
        Args:
            batch_dict:
                frame_id:
            pred_dicts: list of pred_dicts
                pred_boxes: (N, 7), Tensor
                pred_scores: (N), Tensor
                pred_labels: (N), Tensor
            class_names:
            output_path:

        Returns:

        """

        def get_template_prediction(num_samples):
            ret_dict = {
                'name': np.zeros(num_samples), 'score': np.zeros(num_samples),
                'boxes_lidar': np.zeros([num_samples, 7])
            }
            return ret_dict

        def generate_single_sample_dict(box_dict):
            pred_scores = box_dict['pred_scores'].cpu().numpy()
            pred_boxes = box_dict['pred_boxes'].cpu().numpy()
            pred_labels = box_dict['pred_labels'].cpu().numpy()
            pred_dict = get_template_prediction(pred_scores.shape[0])
            if pred_scores.shape[0] == 0:
                return pred_dict

            pred_dict['name'] = np.array(class_names)[pred_labels - 1]
            pred_dict['score'] = pred_scores
            pred_dict['boxes_lidar'] = pred_boxes

            return pred_dict

        annos = []
        for index, box_dict in enumerate(pred_dicts):
            single_pred_dict = generate_single_sample_dict(box_dict)
            single_pred_dict['frame_id'] = batch_dict['frame_id'][index]
            single_pred_dict['metadata'] = batch_dict['metadata'][index]
            annos.append(single_pred_dict)

        return annos

    def evaluation(self, det_annos, class_names, **kwargs):
        if 'annos' not in self.infos[0].keys():
            return 'No ground-truth boxes for evaluation', {}

        def kitti_eval(eval_det_annos, eval_gt_annos):
            from ..kitti.kitti_object_eval_python import eval as kitti_eval
            from ..kitti import kitti_utils

            map_name_to_kitti = {
                'Vehicle': 'Car',
                'Pedestrian': 'Pedestrian',
                'Cyclist': 'Cyclist',
                'Sign': 'Sign',
                'Car': 'Car'
            }
            kitti_utils.transform_annotations_to_kitti_format(eval_det_annos, map_name_to_kitti=map_name_to_kitti)
            kitti_utils.transform_annotations_to_kitti_format(
                eval_gt_annos, map_name_to_kitti=map_name_to_kitti,
                info_with_fakelidar=self.dataset_cfg.get('INFO_WITH_FAKELIDAR', False)
            )
            kitti_class_names = [map_name_to_kitti[x] for x in class_names]
            ap_result_str, ap_dict = kitti_eval.get_official_eval_result(
                gt_annos=eval_gt_annos, dt_annos=eval_det_annos, current_classes=kitti_class_names
            )
            return ap_result_str, ap_dict

        def waymo_eval(eval_det_annos, eval_gt_annos):
            from .waymo_eval import OpenPCDetWaymoDetectionMetricsEstimator
            eval = OpenPCDetWaymoDetectionMetricsEstimator()

            ap_dict = eval.waymo_evaluation(
                eval_det_annos, eval_gt_annos, class_name=class_names,
                distance_thresh=1000, fake_gt_infos=self.dataset_cfg.get('INFO_WITH_FAKELIDAR', False)
            )
            ap_result_str = '\n'
            for key in ap_dict:
                ap_dict[key] = ap_dict[key][0]
                ap_result_str += '%s: %.4f \n' % (key, ap_dict[key])

            return ap_result_str, ap_dict

        eval_det_annos = copy.deepcopy(det_annos)
        eval_gt_annos = [copy.deepcopy(info['annos']) for info in self.infos]

        if kwargs['eval_metric'] == 'kitti':
            ap_result_str, ap_dict = kitti_eval(eval_det_annos, eval_gt_annos)
        elif kwargs['eval_metric'] == 'waymo':
            ap_result_str, ap_dict = waymo_eval(eval_det_annos, eval_gt_annos)
        else:
            raise NotImplementedError

        return ap_result_str, ap_dict

    def create_groundtruth_database(self, info_path, save_path, used_classes=None, split='train', sampled_interval=10,
                                    processed_data_tag=None):
390
391
392
393
394
395
396
397
398
399
400
401
402
403

        use_sequence_data = self.dataset_cfg.get('SEQUENCE_CONFIG', None) is not None and self.dataset_cfg.SEQUENCE_CONFIG.ENABLED

        if use_sequence_data:
            st_frame, ed_frame = self.dataset_cfg.SEQUENCE_CONFIG.SAMPLE_OFFSET[0], self.dataset_cfg.SEQUENCE_CONFIG.SAMPLE_OFFSET[1]
            st_frame = min(-4, st_frame)  # at least we use 5 frames for generating gt database to support various sequence configs (<= 5 frames)
            database_save_path = save_path / ('%s_gt_database_%s_sampled_%d_multiframe_%s_to_%s' % (processed_data_tag, split, sampled_interval, st_frame, ed_frame))
            db_info_save_path = save_path / ('%s_waymo_dbinfos_%s_sampled_%d_multiframe_%s_to_%s.pkl' % (processed_data_tag, split, sampled_interval, st_frame, ed_frame))
            db_data_save_path = save_path / ('%s_gt_database_%s_sampled_%d_multiframe_%s_to_%s_global.npy' % (processed_data_tag, split, sampled_interval, st_frame, ed_frame))
        else:
            database_save_path = save_path / ('%s_gt_database_%s_sampled_%d' % (processed_data_tag, split, sampled_interval))
            db_info_save_path = save_path / ('%s_waymo_dbinfos_%s_sampled_%d.pkl' % (processed_data_tag, split, sampled_interval))
            db_data_save_path = save_path / ('%s_gt_database_%s_sampled_%d_global.npy' % (processed_data_tag, split, sampled_interval))

404
405
406
407
408
        database_save_path.mkdir(parents=True, exist_ok=True)
        all_db_infos = {}
        with open(info_path, 'rb') as f:
            infos = pickle.load(f)

409
410
        point_offset_cnt = 0
        stacked_gt_points = []
411
412
413
414
415
416
417
418
419
        for k in range(0, len(infos), sampled_interval):
            print('gt_database sample: %d/%d' % (k + 1, len(infos)))
            info = infos[k]

            pc_info = info['point_cloud']
            sequence_name = pc_info['lidar_sequence']
            sample_idx = pc_info['sample_idx']
            points = self.get_lidar(sequence_name, sample_idx)

420
421
422
423
424
            if use_sequence_data:
                points, num_points_all, sample_idx_pre_list = self.get_sequence_data(
                    info, points, sequence_name, sample_idx, self.dataset_cfg.SEQUENCE_CONFIG
                )

425
426
427
428
429
            annos = info['annos']
            names = annos['name']
            difficulty = annos['difficulty']
            gt_boxes = annos['gt_boxes_lidar']

430
431
432
433
434
435
436
437
438
439
440
441
            if k % 4 != 0 and len(names) > 0:
                mask = (names == 'Vehicle')
                names = names[~mask]
                difficulty = difficulty[~mask]
                gt_boxes = gt_boxes[~mask]

            if k % 2 != 0 and len(names) > 0:
                mask = (names == 'Pedestrian')
                names = names[~mask]
                difficulty = difficulty[~mask]
                gt_boxes = gt_boxes[~mask]

442
            num_obj = gt_boxes.shape[0]
443
444
            if num_obj == 0:
                continue
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464

            box_idxs_of_pts = roiaware_pool3d_utils.points_in_boxes_gpu(
                torch.from_numpy(points[:, 0:3]).unsqueeze(dim=0).float().cuda(),
                torch.from_numpy(gt_boxes[:, 0:7]).unsqueeze(dim=0).float().cuda()
            ).long().squeeze(dim=0).cpu().numpy()

            for i in range(num_obj):
                filename = '%s_%04d_%s_%d.bin' % (sequence_name, sample_idx, names[i], i)
                filepath = database_save_path / filename
                gt_points = points[box_idxs_of_pts == i]
                gt_points[:, :3] -= gt_boxes[i, :3]

                if (used_classes is None) or names[i] in used_classes:
                    with open(filepath, 'w') as f:
                        gt_points.tofile(f)

                    db_path = str(filepath.relative_to(self.root_path))  # gt_database/xxxxx.bin
                    db_info = {'name': names[i], 'path': db_path, 'sequence_name': sequence_name,
                               'sample_idx': sample_idx, 'gt_idx': i, 'box3d_lidar': gt_boxes[i],
                               'num_points_in_gt': gt_points.shape[0], 'difficulty': difficulty[i]}
465
466
467
468
469
470

                    # it will be used if you choose to use shared memory for gt sampling
                    stacked_gt_points.append(gt_points)
                    db_info['global_data_offset'] = [point_offset_cnt, point_offset_cnt + gt_points.shape[0]]
                    point_offset_cnt += gt_points.shape[0]

471
472
473
474
475
476
477
478
479
480
                    if names[i] in all_db_infos:
                        all_db_infos[names[i]].append(db_info)
                    else:
                        all_db_infos[names[i]] = [db_info]
        for k, v in all_db_infos.items():
            print('Database %s: %d' % (k, len(v)))

        with open(db_info_save_path, 'wb') as f:
            pickle.dump(all_db_infos, f)

481
482
483
484
        # it will be used if you choose to use shared memory for gt sampling
        stacked_gt_points = np.concatenate(stacked_gt_points, axis=0)
        np.save(db_data_save_path, stacked_gt_points)

485
486

def create_waymo_infos(dataset_cfg, class_names, data_path, save_path,
487
                       raw_data_tag='raw_data', processed_data_tag='waymo_processed_data',
488
                       workers=min(16, multiprocessing.cpu_count()), update_info_only=False):
489
490
491
492
493
494
    dataset = WaymoDataset(
        dataset_cfg=dataset_cfg, class_names=class_names, root_path=data_path,
        training=False, logger=common_utils.create_logger()
    )
    train_split, val_split = 'train', 'val'

495
496
    train_filename = save_path / ('%s_infos_%s.pkl' % (processed_data_tag, train_split))
    val_filename = save_path / ('%s_infos_%s.pkl' % (processed_data_tag, val_split))
497

498
    os.environ["CUDA_VISIBLE_DEVICES"] = "-1"
499
500
501
502
503
504
    print('---------------Start to generate data infos---------------')

    dataset.set_split(train_split)
    waymo_infos_train = dataset.get_infos(
        raw_data_path=data_path / raw_data_tag,
        save_path=save_path / processed_data_tag, num_workers=workers, has_label=True,
505
        sampled_interval=1, update_info_only=update_info_only
506
507
508
    )
    with open(train_filename, 'wb') as f:
        pickle.dump(waymo_infos_train, f)
Shaoshuai Shi's avatar
Shaoshuai Shi committed
509
    print('----------------Waymo info train file is saved to %s----------------' % train_filename)
510
511
512
513
514

    dataset.set_split(val_split)
    waymo_infos_val = dataset.get_infos(
        raw_data_path=data_path / raw_data_tag,
        save_path=save_path / processed_data_tag, num_workers=workers, has_label=True,
515
        sampled_interval=1, update_info_only=update_info_only
516
517
518
    )
    with open(val_filename, 'wb') as f:
        pickle.dump(waymo_infos_val, f)
Shaoshuai Shi's avatar
Shaoshuai Shi committed
519
    print('----------------Waymo info val file is saved to %s----------------' % val_filename)
520

521
522
523
    if update_info_only:
        return

524
    print('---------------Start create groundtruth database for data augmentation---------------')
525
    os.environ["CUDA_VISIBLE_DEVICES"] = "0"
526
527
    dataset.set_split(train_split)
    dataset.create_groundtruth_database(
528
529
        info_path=train_filename, save_path=save_path, split='train', sampled_interval=1,
        used_classes=['Vehicle', 'Pedestrian', 'Cyclist'], processed_data_tag=processed_data_tag
530
531
532
533
    )
    print('---------------Data preparation Done---------------')


534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
def create_waymo_gt_database(
    dataset_cfg, class_names, data_path, save_path, processed_data_tag='waymo_processed_data',
    workers=min(16, multiprocessing.cpu_count())):
    dataset = WaymoDataset(
        dataset_cfg=dataset_cfg, class_names=class_names, root_path=data_path,
        training=True, logger=common_utils.create_logger()
    )
    train_split = 'train'
    train_filename = save_path / ('%s_infos_%s.pkl' % (processed_data_tag, train_split))

    print('---------------Start create groundtruth database for data augmentation---------------')
    dataset.set_split(train_split)

    dataset.create_groundtruth_database(
        info_path=train_filename, save_path=save_path, split='train', sampled_interval=1,
        used_classes=['Vehicle', 'Pedestrian', 'Cyclist'], processed_data_tag=processed_data_tag
    )
    print('---------------Data preparation Done---------------')


554
if __name__ == '__main__':
Shaoshuai Shi's avatar
Shaoshuai Shi committed
555
    import argparse
556
557
    import yaml
    from easydict import EasyDict
Shaoshuai Shi's avatar
Shaoshuai Shi committed
558
559
560
561

    parser = argparse.ArgumentParser(description='arg parser')
    parser.add_argument('--cfg_file', type=str, default=None, help='specify the config of dataset')
    parser.add_argument('--func', type=str, default='create_waymo_infos', help='')
562
    parser.add_argument('--processed_data_tag', type=str, default='waymo_processed_data_v0_5_0', help='')
563
564
    parser.add_argument('--update_info_only', action='store_true', default=False, help='')

Shaoshuai Shi's avatar
Shaoshuai Shi committed
565
566
    args = parser.parse_args()

567
568
    ROOT_DIR = (Path(__file__).resolve().parent / '../../../').resolve()

Shaoshuai Shi's avatar
Shaoshuai Shi committed
569
    if args.func == 'create_waymo_infos':
570
        try:
571
            yaml_config = yaml.safe_load(open(args.cfg_file), Loader=yaml.FullLoader)
572
        except:
573
            yaml_config = yaml.safe_load(open(args.cfg_file))
574
        dataset_cfg = EasyDict(yaml_config)
575
        dataset_cfg.PROCESSED_DATA_TAG = args.processed_data_tag
576
577
578
579
580
        create_waymo_infos(
            dataset_cfg=dataset_cfg,
            class_names=['Vehicle', 'Pedestrian', 'Cyclist'],
            data_path=ROOT_DIR / 'data' / 'waymo',
            save_path=ROOT_DIR / 'data' / 'waymo',
581
            raw_data_tag='raw_data',
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
            processed_data_tag=args.processed_data_tag,
            update_info_only=args.update_info_only
        )
    elif args.func == 'create_waymo_gt_database':
        try:
            yaml_config = yaml.safe_load(open(args.cfg_file), Loader=yaml.FullLoader)
        except:
            yaml_config = yaml.safe_load(open(args.cfg_file))
        dataset_cfg = EasyDict(yaml_config)
        dataset_cfg.PROCESSED_DATA_TAG = args.processed_data_tag
        create_waymo_gt_database(
            dataset_cfg=dataset_cfg,
            class_names=['Vehicle', 'Pedestrian', 'Cyclist'],
            data_path=ROOT_DIR / 'data' / 'waymo',
            save_path=ROOT_DIR / 'data' / 'waymo',
597
            processed_data_tag=args.processed_data_tag
598
        )
599
600
    else:
        raise NotImplementedError