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Global:
use_gpu: True
epoch_num: 20
log_smooth_window: 20
print_batch_step: 10
save_model_dir: ./json/rec/svtr_cppd_base/
save_epoch_step: 1
# evaluation is run every 2000 iterations after the 0th iteration
eval_batch_step: [0, 2000]
cal_metric_during_train: True
pretrained_model:
checkpoints:
save_inference_dir:
use_visualdl: False
infer_img: doc/imgs_words_en/word_10.png
# for data or label process
character_dict_path:
character_type: en
max_text_length: 25
infer_mode: False
use_space_char: False
save_res_path: ./json/rec/predicts_svtr_cppd_base.txt
Optimizer:
name: AdamW
beta1: 0.9
beta2: 0.99
epsilon: 1.e-8
weight_decay: 0.05
no_weight_decay_name: norm pos_embed char_node_embed pos_node_embed char_pos_embed vis_pos_embed
one_dim_param_no_weight_decay: True
lr:
name: Cosine
learning_rate: 0.0005 # 4gpus 256bs
warmup_epoch: 2
Architecture:
model_type: rec
algorithm: CPPD
Transform:
Backbone:
name: SVTRNet
img_size: [32, 100]
patch_merging: 'Conv'
embed_dim: [128, 256, 384]
depth: [6, 6, 4]
num_heads: [4, 8, 12]
mixer: ['Conv','Conv','Conv','Conv','Conv','Conv', 'Conv','Conv', 'Global','Global','Global','Global','Global','Global','Global','Global','Global','Global']
local_mixer: [[5, 5], [5, 5], [5, 5]]
last_stage: False
prenorm: True
Head:
name: CPPDHead
dim: 384
vis_seq: 50
num_layer: 3
Loss:
name: CPPDLoss
ignore_index: &ignore_index 100 # must be greater than the number of character classes
smoothing: True
sideloss_weight: 1.0
PostProcess:
name: CPPDLabelDecode
Metric:
name: RecMetric
main_indicator: acc
Train:
dataset:
name: LMDBDataSet
data_dir: ./train_data/data_lmdb_release/training/
transforms:
- DecodeImage: # load image
img_mode: BGR
channel_first: False
- CPPDLabelEncode: # Class handling label
ignore_index: *ignore_index
- SVTRRecResizeImg:
image_shape: [3, 32, 100]
padding: False
- KeepKeys:
keep_keys: ['image', 'label', 'label_node', 'length'] # dataloader will return list in this order
loader:
shuffle: True
batch_size_per_card: 256
drop_last: True
num_workers: 8
Eval:
dataset:
name: LMDBDataSet
data_dir: ./train_data/data_lmdb_release/evaluation/
transforms:
- DecodeImage: # load image
img_mode: BGR
channel_first: False
- CPPDLabelEncode: # Class handling label
ignore_index: *ignore_index
- SVTRRecResizeImg:
image_shape: [3, 32, 100]
padding: False
- KeepKeys:
keep_keys: ['image', 'label', 'label_node','length'] # dataloader will return list in this order
loader:
shuffle: False
drop_last: False
batch_size_per_card: 256
num_workers: 2