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from opencompass.multimodal.models.openflamingo import OpenFlamingoCaptionPromptConstructor
# dataloader settings
val_pipeline = [
dict(type='LoadImageFromFile'),
dict(type='mmpretrain.ResizeEdge',
scale=224,
interpolation='bicubic',
backend='pillow'),
dict(type='CenterCrop', crop_size=(224, 224)),
dict(type='mmpretrain.PackInputs', algorithm_keys=['image_id'])
]
dataset = dict(type='mmpretrain.COCOCaption',
data_root='data/coco',
data_prefix=dict(img_path='images'),
ann_file='annotations/coco_karpathy_val.json',
pipeline=val_pipeline)
openflamingo_coco_caption_dataloader = dict(
batch_size=1,
num_workers=4,
dataset=dataset,
sampler=dict(type='DefaultSampler', shuffle=False),
collate_fn=dict(type='default_collate'),
persistent_workers=True,
)
# model settings
openflamingo_coco_caption_model = dict(
type='openflamingo',
data_preprocessor=dict(
type='mmpretrain.MultiModalDataPreprocessor',
mean=[122.770938, 116.7460125, 104.09373615],
std=[68.5005327, 66.6321579, 70.32316305],
to_rgb=True,
),
tokenizer=dict(type='mmpretrain.LlamaTokenizer',
name_or_path='decapoda-research/llama-7b-hf'),
vision_encoder=dict(
type='mmpretrain.VisionTransformer',
arch='l',
patch_size=14,
pre_norm=True,
norm_cfg=dict(type='LN', eps=1e-5),
layer_cfgs=dict(act_cfg=dict(type='mmpretrain.QuickGELU')),
final_norm=False,
out_type='raw',
pretrained= # noqa: E251
'/path/to/vision/encoder', # noqa
),
lang_encoder=dict(
base=dict(type='mmpretrain.AutoModelForCausalLM',
name_or_path=
'decapoda-research/llama-7b-hf',
local_files_only=True),
adapter=dict(type='mmpretrain.FlamingoLMAdapter',
vis_hidden_size=1024,
cross_attn_every_n_layers=4,
use_media_placement_augmentation=False),
),
task='caption',
generation_cfg=dict(num_beams=3, max_new_tokens=20, length_penalty=-2.0),
prompt_constructor=dict(type=OpenFlamingoCaptionPromptConstructor)
)
# evaluation settings
openflamingo_coco_caption_evaluator = [
dict(
type='mmpretrain.COCOCaption',
ann_file='data/coco/annotations/coco_karpathy_val_gt.json',
) # noqa
]
openflamingo_load_from = '/path/to/pretrained/weights' # noqa
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