File size: 6,516 Bytes
e413c25
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
e9a7cf7
e413c25
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
_base_ = ('../../third_party/mmyolo/configs/yolov8/'
          'yolov8_x_syncbn_fast_8xb16-500e_coco.py')
custom_imports = dict(imports=['yolo_world'],
                      allow_failed_imports=False)

# hyper-parameters
num_classes = 1203
num_training_classes = 80
max_epochs = 100  # Maximum training epochs
close_mosaic_epochs = 2
save_epoch_intervals = 2
text_channels = 512
neck_embed_channels = [128, 256, _base_.last_stage_out_channels // 2]
neck_num_heads = [4, 8, _base_.last_stage_out_channels // 2 // 32]
base_lr = 2e-3
weight_decay = 0.05 / 2
train_batch_size_per_gpu = 16
deepen_factor = 1.0
widen_factor = 1.5

# model settings
image_backbone = _base_.model.backbone
image_backbone.update(
    deepen_factor=deepen_factor,
    widen_factor=widen_factor
)
model = dict(
    type='YOLOWorldDetector',
    mm_neck=True,
    num_train_classes=num_training_classes,
    num_test_classes=num_classes,
    data_preprocessor=dict(type='YOLOWDetDataPreprocessor'),
    backbone=dict(
        _delete_=True,
        type='MultiModalYOLOBackbone',
        image_model=image_backbone,
        text_model=dict(
            type='HuggingCLIPLanguageBackbone',
            model_name='openai/clip-vit-base-patch32',
            frozen_modules=['all'])),
    neck=dict(type='YOLOWorldPAFPN',
              deepen_factor=deepen_factor,
              widen_factor=widen_factor,
              guide_channels=text_channels,
              embed_channels=neck_embed_channels,
              num_heads=neck_num_heads,
              block_cfg=dict(type='MaxSigmoidCSPLayerWithTwoConv')),
    bbox_head=dict(type='YOLOWorldHead',
                   head_module=dict(type='YOLOWorldHeadModule',
                                    widen_factor=widen_factor,
                                    embed_dims=text_channels,
                                    use_bn_head=True,
                                    num_classes=num_training_classes)),
    train_cfg=dict(assigner=dict(num_classes=num_training_classes)))

# dataset settings
text_transform = [
    dict(type='RandomLoadText',
         num_neg_samples=(num_classes, num_classes),
         max_num_samples=num_training_classes,
         padding_to_max=True,
         padding_value=''),
    dict(type='mmdet.PackDetInputs',
         meta_keys=('img_id', 'img_path', 'ori_shape', 'img_shape', 'flip',
                    'flip_direction', 'texts'))
]
train_pipeline = [
    *_base_.pre_transform,
    dict(type='MultiModalMosaic',
         img_scale=_base_.img_scale,
         pad_val=114.0,
         pre_transform=_base_.pre_transform),
    dict(
        type='YOLOv5RandomAffine',
        max_rotate_degree=0.0,
        max_shear_degree=0.0,
        scaling_ratio_range=(1 - _base_.affine_scale, 1 + _base_.affine_scale),
        max_aspect_ratio=_base_.max_aspect_ratio,
        border=(-_base_.img_scale[0] // 2, -_base_.img_scale[1] // 2),
        border_val=(114, 114, 114)),
    *_base_.last_transform[:-1],
    *text_transform,
]
train_pipeline_stage2 = [*_base_.train_pipeline_stage2[:-1], *text_transform]
obj365v1_train_dataset = dict(
    type='MultiModalDataset',
    dataset=dict(
        type='YOLOv5Objects365V1Dataset',
        data_root='data/objects365v1/',
        ann_file='annotations/objects365_train.json',
        data_prefix=dict(img='train/'),
        filter_cfg=dict(filter_empty_gt=False, min_size=32)),
    class_text_path='data/captions/obj365v1_class_captions.json',
    pipeline=train_pipeline)

mg_train_dataset = dict(
    type='YOLOv5MixedGroundingDataset',
    data_root='data/mixed_grounding/',
    ann_file='annotations/final_mixed_train_no_coco.json',
    data_prefix=dict(img='gqa/images/'),
    filter_cfg=dict(filter_empty_gt=False, min_size=32),
    pipeline=train_pipeline)

flickr_train_dataset = dict(
    type='YOLOv5MixedGroundingDataset',
    data_root='data/flickr/',
    ann_file='annotations/final_flickr_separateGT_train.json',
    data_prefix=dict(img='images/'),
    filter_cfg=dict(filter_empty_gt=True, min_size=32),
    pipeline=train_pipeline)

train_dataloader = dict(
    batch_size=train_batch_size_per_gpu,
    collate_fn=dict(type='yolow_collate'),
    dataset=dict(
        _delete_=True,
        type='ConcatDataset',
        datasets=[
            obj365v1_train_dataset,
            flickr_train_dataset,
            mg_train_dataset
        ],
        ignore_keys=['classes', 'palette']))

test_pipeline = [
    *_base_.test_pipeline[:-1],
    dict(type='LoadText'),
    dict(type='mmdet.PackDetInputs',
         meta_keys=('img_id', 'img_path', 'ori_shape', 'img_shape',
                    'scale_factor', 'pad_param', 'texts'))
]
coco_val_dataset = dict(
    _delete_=True,
    type='MultiModalDataset',
    dataset=dict(
        type='YOLOv5LVISV1Dataset',
        data_root='data/lvis/',
        test_mode=True,
        ann_file='annotations/'
                 'lvis_v1_minival_inserted_image_name.json',
        data_prefix=dict(img=''),
        batch_shapes_cfg=None),
    class_text_path='data/captions/lvis_v1_class_captions.json',
    pipeline=test_pipeline)
val_dataloader = dict(dataset=coco_val_dataset)
test_dataloader = val_dataloader

val_evaluator = dict(
    type='mmdet.LVISMetric',
    ann_file='data/lvis/annotations/'
             'lvis_v1_minival_inserted_image_name.json',
    metric='bbox')
test_evaluator = val_evaluator

# training settings
default_hooks = dict(
    param_scheduler=dict(max_epochs=max_epochs),
    checkpoint=dict(interval=save_epoch_intervals,
                    rule='greater'))
custom_hooks = [
    dict(type='EMAHook',
         ema_type='ExpMomentumEMA',
         momentum=0.0001,
         update_buffers=True,
         strict_load=False,
         priority=49),
    dict(type='mmdet.PipelineSwitchHook',
         switch_epoch=max_epochs - close_mosaic_epochs,
         switch_pipeline=train_pipeline_stage2)
]
train_cfg = dict(
    max_epochs=max_epochs,
    val_interval=10,
    dynamic_intervals=[((max_epochs - close_mosaic_epochs),
                        _base_.val_interval_stage2)])
optim_wrapper = dict(optimizer=dict(
    _delete_=True,
    type='AdamW',
    lr=base_lr,
    weight_decay=weight_decay,
    batch_size_per_gpu=train_batch_size_per_gpu),
    paramwise_cfg=dict(
        bias_decay_mult=0.0,
        norm_decay_mult=0.0,
        custom_keys={
            'backbone.text_model':
            dict(lr_mult=0.01),
            'logit_scale':
            dict(weight_decay=0.0)
        }),
    constructor='YOLOWv5OptimizerConstructor')