parent
f55dcfabaf
commit
00f3d48d02
|
@ -0,0 +1,78 @@
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mode: 'train'
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||||
ARCHITECTURE:
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name: 'MobileNetV3_large_x1_0'
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||||
|
||||
checkpoints: ""
|
||||
pretrained_model: "./pretrained/MobileNetV3_large_x1_0_pretrained"
|
||||
model_save_dir: "./output/"
|
||||
classes_num: 100
|
||||
total_images: 50000
|
||||
save_interval: 1
|
||||
validate: True
|
||||
valid_interval: 1
|
||||
epochs: 100
|
||||
topk: 5
|
||||
image_shape: [3, 32, 32]
|
||||
use_mix: False
|
||||
|
||||
LEARNING_RATE:
|
||||
function: 'Cosine'
|
||||
params:
|
||||
lr: 0.04
|
||||
|
||||
OPTIMIZER:
|
||||
function: 'Momentum'
|
||||
params:
|
||||
momentum: 0.9
|
||||
regularizer:
|
||||
function: 'L2'
|
||||
factor: 0.0001
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||||
|
||||
TRAIN:
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||||
batch_size: 1024
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||||
num_workers: 4
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||||
file_list: "./dataset/CIFAR100/train_list.txt"
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||||
data_dir: "./dataset/CIFAR100/"
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||||
shuffle_seed: 0
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||||
transforms:
|
||||
- DecodeImage:
|
||||
to_rgb: True
|
||||
to_np: False
|
||||
channel_first: False
|
||||
- RandCropImage:
|
||||
size: 32
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||||
- RandFlipImage:
|
||||
flip_code: 1
|
||||
- NormalizeImage:
|
||||
scale: 1./255.
|
||||
mean: [0.485, 0.456, 0.406]
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||||
std: [0.229, 0.224, 0.225]
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||||
order: ''
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||||
- ToCHWImage:
|
||||
|
||||
mix:
|
||||
- MixupOperator:
|
||||
alpha: 0.2
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||||
|
||||
|
||||
VALID:
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batch_size: 256
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num_workers: 0
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file_list: "./dataset/CIFAR100/test_list.txt"
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data_dir: "./dataset/CIFAR100/"
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||||
shuffle_seed: 0
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||||
transforms:
|
||||
- DecodeImage:
|
||||
to_rgb: True
|
||||
to_np: False
|
||||
channel_first: False
|
||||
- ResizeImage:
|
||||
resize_short: 36
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||||
- CropImage:
|
||||
size: 32
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||||
- NormalizeImage:
|
||||
scale: 1.0/255.0
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||||
mean: [0.485, 0.456, 0.406]
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||||
std: [0.229, 0.224, 0.225]
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order: ''
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||||
- ToCHWImage:
|
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@ -0,0 +1,75 @@
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mode: 'train'
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ARCHITECTURE:
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name: 'ResNet50_vd_distill_MobileNetV3_large_x1_0'
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pretrained_model:
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- "./pretrained/CIFAR100_R50_vd_final/ppcls"
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- "./pretrained/MobileNetV3_large_x1_0_pretrained"
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model_save_dir: "./output/"
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classes_num: 100
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total_images: 50000
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save_interval: 1
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validate: True
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valid_interval: 1
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epochs: 100
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topk: 5
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image_shape: [3, 32, 32]
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||||
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||||
use_distillation: True
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LEARNING_RATE:
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function: 'Cosine'
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params:
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lr: 0.04
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OPTIMIZER:
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function: 'Momentum'
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params:
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momentum: 0.9
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regularizer:
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function: 'L2'
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factor: 0.0001
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TRAIN:
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batch_size: 1024
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num_workers: 0
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file_list: "./dataset/CIFAR100/train_list.txt"
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data_dir: "./dataset/CIFAR100/"
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shuffle_seed: 0
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transforms:
|
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- DecodeImage:
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to_rgb: True
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to_np: False
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channel_first: False
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- RandCropImage:
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size: 32
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- RandFlipImage:
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flip_code: 1
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- NormalizeImage:
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scale: 1./255.
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mean: [0.485, 0.456, 0.406]
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std: [0.229, 0.224, 0.225]
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order: ''
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- ToCHWImage:
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VALID:
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batch_size: 256
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num_workers: 0
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file_list: "./dataset/CIFAR100/test_list.txt"
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data_dir: "./dataset/CIFAR100/"
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shuffle_seed: 0
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transforms:
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- DecodeImage:
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to_rgb: True
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to_np: False
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channel_first: False
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- ResizeImage:
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resize_short: 36
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- CropImage:
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size: 32
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- NormalizeImage:
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scale: 1.0/255.0
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mean: [0.485, 0.456, 0.406]
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std: [0.229, 0.224, 0.225]
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order: ''
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- ToCHWImage:
|
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@ -0,0 +1,78 @@
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mode: 'train'
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ARCHITECTURE:
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name: 'ResNet50_vd'
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checkpoints: ""
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pretrained_model: ""
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model_save_dir: "./output/"
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classes_num: 100
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total_images: 50000
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save_interval: 1
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validate: True
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valid_interval: 1
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epochs: 100
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topk: 5
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image_shape: [3, 32, 32]
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use_mix: False
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LEARNING_RATE:
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function: 'Cosine'
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params:
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lr: 0.04
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OPTIMIZER:
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function: 'Momentum'
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params:
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momentum: 0.9
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regularizer:
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function: 'L2'
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factor: 0.0001
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TRAIN:
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batch_size: 1024
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num_workers: 4
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file_list: "./dataset/CIFAR100/train_list.txt"
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data_dir: "./dataset/CIFAR100/"
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shuffle_seed: 0
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transforms:
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- DecodeImage:
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to_rgb: True
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to_np: False
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channel_first: False
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- RandCropImage:
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size: 32
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- RandFlipImage:
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flip_code: 1
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- NormalizeImage:
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scale: 1./255.
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mean: [0.485, 0.456, 0.406]
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std: [0.229, 0.224, 0.225]
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order: ''
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- ToCHWImage:
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mix:
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- MixupOperator:
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alpha: 0.2
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VALID:
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batch_size: 256
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num_workers: 0
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file_list: "./dataset/CIFAR100/test_list.txt"
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data_dir: "./dataset/CIFAR100/"
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shuffle_seed: 0
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transforms:
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- DecodeImage:
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to_rgb: True
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to_np: False
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channel_first: False
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- ResizeImage:
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resize_short: 36
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- CropImage:
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size: 32
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- NormalizeImage:
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scale: 1.0/255.0
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mean: [0.485, 0.456, 0.406]
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std: [0.229, 0.224, 0.225]
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order: ''
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- ToCHWImage:
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@ -0,0 +1,78 @@
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mode: 'train'
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ARCHITECTURE:
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name: 'ResNet50_vd'
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checkpoints: ""
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pretrained_model: "./pretrained/ResNet50_vd_pretrained"
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model_save_dir: "./output/"
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classes_num: 100
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total_images: 50000
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save_interval: 1
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validate: True
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valid_interval: 1
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epochs: 100
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topk: 5
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image_shape: [3, 32, 32]
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use_mix: False
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LEARNING_RATE:
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function: 'Cosine'
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params:
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lr: 0.04
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OPTIMIZER:
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function: 'Momentum'
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params:
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momentum: 0.9
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regularizer:
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function: 'L2'
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factor: 0.0001
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TRAIN:
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batch_size: 1024
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num_workers: 4
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file_list: "./dataset/CIFAR100/train_list.txt"
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data_dir: "./dataset/CIFAR100/"
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shuffle_seed: 0
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transforms:
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- DecodeImage:
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to_rgb: True
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to_np: False
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channel_first: False
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- RandCropImage:
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size: 32
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- RandFlipImage:
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flip_code: 1
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- NormalizeImage:
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scale: 1./255.
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mean: [0.485, 0.456, 0.406]
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std: [0.229, 0.224, 0.225]
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order: ''
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- ToCHWImage:
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mix:
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- MixupOperator:
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alpha: 0.2
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VALID:
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batch_size: 256
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num_workers: 0
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file_list: "./dataset/CIFAR100/test_list.txt"
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data_dir: "./dataset/CIFAR100/"
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shuffle_seed: 0
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transforms:
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- DecodeImage:
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to_rgb: True
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to_np: False
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channel_first: False
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- ResizeImage:
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resize_short: 36
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- CropImage:
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size: 32
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- NormalizeImage:
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scale: 1.0/255.0
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mean: [0.485, 0.456, 0.406]
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std: [0.229, 0.224, 0.225]
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order: ''
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- ToCHWImage:
|
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@ -0,0 +1,78 @@
|
|||
mode: 'train'
|
||||
ARCHITECTURE:
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name: 'ResNet50_vd'
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checkpoints: ""
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||||
pretrained_model: "./pretrained/ResNet50_vd_pretrained"
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||||
model_save_dir: "./output/"
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||||
classes_num: 100
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||||
total_images: 50000
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||||
save_interval: 1
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||||
validate: True
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||||
valid_interval: 1
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||||
epochs: 100
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topk: 5
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||||
image_shape: [3, 32, 32]
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||||
use_mix: True
|
||||
|
||||
LEARNING_RATE:
|
||||
function: 'Cosine'
|
||||
params:
|
||||
lr: 0.04
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|
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OPTIMIZER:
|
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function: 'Momentum'
|
||||
params:
|
||||
momentum: 0.9
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||||
regularizer:
|
||||
function: 'L2'
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||||
factor: 0.0001
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|
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TRAIN:
|
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batch_size: 1024
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num_workers: 4
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file_list: "./dataset/CIFAR100/train_list.txt"
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data_dir: "./dataset/CIFAR100/"
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||||
shuffle_seed: 0
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||||
transforms:
|
||||
- DecodeImage:
|
||||
to_rgb: True
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||||
to_np: False
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||||
channel_first: False
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||||
- RandCropImage:
|
||||
size: 32
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||||
- RandFlipImage:
|
||||
flip_code: 1
|
||||
- NormalizeImage:
|
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scale: 1./255.
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mean: [0.485, 0.456, 0.406]
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||||
std: [0.229, 0.224, 0.225]
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order: ''
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||||
- ToCHWImage:
|
||||
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mix:
|
||||
- MixupOperator:
|
||||
alpha: 0.2
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VALID:
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batch_size: 256
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num_workers: 0
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file_list: "./dataset/CIFAR100/test_list.txt"
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data_dir: "./dataset/CIFAR100/"
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shuffle_seed: 0
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transforms:
|
||||
- DecodeImage:
|
||||
to_rgb: True
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to_np: False
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channel_first: False
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||||
- ResizeImage:
|
||||
resize_short: 36
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- CropImage:
|
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size: 32
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- NormalizeImage:
|
||||
scale: 1.0/255.0
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mean: [0.485, 0.456, 0.406]
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std: [0.229, 0.224, 0.225]
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order: ''
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- ToCHWImage:
|
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@ -0,0 +1,78 @@
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mode: 'train'
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ARCHITECTURE:
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name: 'ResNet50_vd'
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|
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checkpoints: ""
|
||||
pretrained_model: "./pretrained/ResNet50_vd_ssld_pretrained"
|
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model_save_dir: "./output/"
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classes_num: 100
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total_images: 50000
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save_interval: 1
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validate: True
|
||||
valid_interval: 1
|
||||
epochs: 100
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topk: 5
|
||||
image_shape: [3, 32, 32]
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||||
use_mix: False
|
||||
|
||||
LEARNING_RATE:
|
||||
function: 'Cosine'
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params:
|
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lr: 0.04
|
||||
|
||||
OPTIMIZER:
|
||||
function: 'Momentum'
|
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params:
|
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momentum: 0.9
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regularizer:
|
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function: 'L2'
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factor: 0.0001
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TRAIN:
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batch_size: 1024
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num_workers: 4
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file_list: "./dataset/CIFAR100/train_list.txt"
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data_dir: "./dataset/CIFAR100/"
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shuffle_seed: 0
|
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transforms:
|
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- DecodeImage:
|
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to_rgb: True
|
||||
to_np: False
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||||
channel_first: False
|
||||
- RandCropImage:
|
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size: 32
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- RandFlipImage:
|
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flip_code: 1
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- NormalizeImage:
|
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scale: 1./255.
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||||
mean: [0.485, 0.456, 0.406]
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std: [0.229, 0.224, 0.225]
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order: ''
|
||||
- ToCHWImage:
|
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|
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mix:
|
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- MixupOperator:
|
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alpha: 0.2
|
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|
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|
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VALID:
|
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batch_size: 256
|
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num_workers: 0
|
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file_list: "./dataset/CIFAR100/test_list.txt"
|
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data_dir: "./dataset/CIFAR100/"
|
||||
shuffle_seed: 0
|
||||
transforms:
|
||||
- DecodeImage:
|
||||
to_rgb: True
|
||||
to_np: False
|
||||
channel_first: False
|
||||
- ResizeImage:
|
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resize_short: 36
|
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- CropImage:
|
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size: 32
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- NormalizeImage:
|
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scale: 1.0/255.0
|
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mean: [0.485, 0.456, 0.406]
|
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std: [0.229, 0.224, 0.225]
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order: ''
|
||||
- ToCHWImage:
|
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@ -0,0 +1,293 @@
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# 30分钟玩转PaddleClas(专业版)
|
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|
||||
此处提供了专业用户在linux操作系统上使用PaddleClas的快速上手教程,主要内容包括基于CIFAR-100数据集和NUS-WIDE-SCENE数据集,快速体验不同模型的单标签训练及多标签训练、加载不同预训练模型、SSLD知识蒸馏方案和数据增广的效果。请事先参考[安装指南](install.md)配置运行环境和克隆PaddleClas代码。
|
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|
||||
|
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## 一、数据和模型准备
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|
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### 1.1 数据准备
|
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|
||||
|
||||
* 进入PaddleClas目录。
|
||||
|
||||
```
|
||||
cd path_to_PaddleClas
|
||||
```
|
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|
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#### 1.1.1 准备CIFAR100
|
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|
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* 进入`dataset/`目录,下载并解压CIFAR100数据集。
|
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|
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```shell
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cd dataset
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wget https://paddle-imagenet-models-name.bj.bcebos.com/data/CIFAR100.tar
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tar -xf CIFAR100.tar
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cd ../
|
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```
|
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|
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#### 1.1.2 准备NUS-WIDE-SCENE
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|
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* 创建并进入`dataset/NUS-WIDE-SCENE`目录,下载并解压NUS-WIDE-SCENE数据集。
|
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|
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```shell
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mkdir dataset/NUS-WIDE-SCENE
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cd dataset/NUS-WIDE-SCENE
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wget https://paddle-imagenet-models-name.bj.bcebos.com/data/NUS-SCENE-dataset.tar
|
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tar -xf NUS-SCENE-dataset.tar
|
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```
|
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|
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* 返回`PaddleClas`根目录
|
||||
|
||||
```
|
||||
cd ../../
|
||||
```
|
||||
|
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### 1.2 模型准备
|
||||
|
||||
通过下面的命令下载所需要的预训练模型。
|
||||
|
||||
```bash
|
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mkdir pretrained
|
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cd pretrained
|
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wget https://paddle-imagenet-models-name.bj.bcebos.com/dygraph/ResNet50_vd_pretrained.pdparams
|
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wget https://paddle-imagenet-models-name.bj.bcebos.com/dygraph/ResNet50_vd_ssld_pretrained.pdparams
|
||||
wget https://paddle-imagenet-models-name.bj.bcebos.com/dygraph/MobileNetV3_large_x1_0_pretrained.pdparams
|
||||
cd ../
|
||||
```
|
||||
|
||||
|
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## 二、模型训练
|
||||
|
||||
### 2.1 单标签训练
|
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|
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#### 2.1.1 零基础训练:不加载预训练模型的训练
|
||||
|
||||
* 基于ResNet50_vd模型,训练脚本如下所示。
|
||||
|
||||
```shell
|
||||
export CUDA_VISIBLE_DEVICES=0,1,2,3
|
||||
python3 -m paddle.distributed.launch \
|
||||
--gpus="0,1,2,3" \
|
||||
tools/train.py \
|
||||
-c ./configs/quick_start/professional/ResNet50_vd_CIFAR100.yaml \
|
||||
-o model_save_dir="output_CIFAR"
|
||||
```
|
||||
|
||||
|
||||
验证集的最高准确率为0.415左右。
|
||||
|
||||
|
||||
#### 2.1.2 迁移学习
|
||||
|
||||
* 基于ImageNet1k分类预训练模型ResNet50_vd_pretrained(准确率79.12\%)进行微调,训练脚本如下所示。
|
||||
|
||||
```shell
|
||||
export CUDA_VISIBLE_DEVICES=0,1,2,3
|
||||
python3 -m paddle.distributed.launch \
|
||||
--gpus="0,1,2,3" \
|
||||
tools/train.py \
|
||||
-c ./configs/quick_start/professional/ResNet50_vd_CIFAR100_finetune.yaml \
|
||||
-o model_save_dir="output_CIFAR"
|
||||
```
|
||||
|
||||
验证集最高准确率为0.718左右,加载预训练模型之后,CIFAR100数据集精度大幅提升,绝对精度涨幅30\%。
|
||||
|
||||
* 基于ImageNet1k分类预训练模型ResNet50_vd_ssld_pretrained(准确率82.39\%)进行微调,训练脚本如下所示。
|
||||
|
||||
```shell
|
||||
export CUDA_VISIBLE_DEVICES=0,1,2,3
|
||||
python3 -m paddle.distributed.launch \
|
||||
--gpus="0,1,2,3" \
|
||||
tools/train.py \
|
||||
-c ./configs/quick_start/professional/ResNet50_vd_ssld_CIFAR100_finetune.yaml \
|
||||
-o model_save_dir="output_CIFAR"
|
||||
```
|
||||
|
||||
最终CIFAR100验证集上精度指标为0.73,相对于79.12\%预训练模型的微调结构,新数据集指标可以再次提升1.2\%。
|
||||
|
||||
* 替换backbone为MobileNetV3_large_x1_0进行微调,训练脚本如下所示。
|
||||
|
||||
```shell
|
||||
export CUDA_VISIBLE_DEVICES=0,1,2,3
|
||||
python3 -m paddle.distributed.launch \
|
||||
--gpus="0,1,2,3" \
|
||||
tools/train.py \
|
||||
-c ./configs/quick_start/professional/MobileNetV3_large_x1_0_CIFAR100_finetune.yaml \
|
||||
-o model_save_dir="output_CIFAR"
|
||||
```
|
||||
|
||||
验证集最高准确率为0.601左右, 较ResNet50_vd低近12%。
|
||||
|
||||
|
||||
### 2.2 多标签训练
|
||||
|
||||
* 基于ImageNet1k分类预训练模型进行微调NUS-WIDE-SCENE数据集,该是数据集NUS-WIDE的一个子集,类别数目为33类,图片总数是17463张,训练脚本如下所示。
|
||||
|
||||
```shell
|
||||
export CUDA_VISIBLE_DEVICES=0,1,2,3
|
||||
python3 -m paddle.distributed.launch \
|
||||
--gpus="0,1,2,3" \
|
||||
tools/train.py \
|
||||
-c ./configs/quick_start/ResNet50_vd_multilabel.yaml \
|
||||
-o model_save_dir="output_NUS-WIDE-SCENE"
|
||||
```
|
||||
|
||||
训练10epoch之后,验证集最好的准确率应该在0.95左右。
|
||||
|
||||
* 零基础训练(不加载预训练模型)只需要将配置文件中的`pretrained_model`置为`""`即可。
|
||||
|
||||
|
||||
## 三、数据增广
|
||||
|
||||
PaddleClas包含了很多数据增广的方法,如Mixup、Cutout、RandomErasing等,具体的方法可以参考[数据增广的章节](../advanced_tutorials/image_augmentation/ImageAugment.md)。
|
||||
|
||||
### 数据增广的尝试-Mixup
|
||||
|
||||
基于`3.3节`中的训练方法,结合Mixup的数据增广方式进行训练,具体的训练脚本如下所示。
|
||||
|
||||
```shell
|
||||
export CUDA_VISIBLE_DEVICES=0,1,2,3
|
||||
python3 -m paddle.distributed.launch \
|
||||
--gpus="0,1,2,3" \
|
||||
tools/train.py \
|
||||
-c ./configs/quick_start/professional/ResNet50_vd_mixup_CIFAR100_finetune.yaml \
|
||||
-o model_save_dir="output_CIFAR"
|
||||
|
||||
```
|
||||
|
||||
最终CIFAR100验证集上的精度为0.73,使用数据增广可以使得模型精度再次提升约1.2\%。
|
||||
|
||||
|
||||
|
||||
* **注意**
|
||||
|
||||
* 其他数据增广的配置文件可以参考`configs/DataAugment`中的配置文件。
|
||||
|
||||
* 训练CIFAR100的迭代轮数较少,因此进行训练时,验证集的精度指标可能会有1\%左右的波动。
|
||||
|
||||
|
||||
## 四、知识蒸馏
|
||||
|
||||
|
||||
PaddleClas包含了自研的SSLD知识蒸馏方案,具体的内容可以参考[知识蒸馏章节](../advanced_tutorials/distillation/distillation.md)本小节将尝试使用知识蒸馏技术对MobileNetV3_large_x1_0模型进行训练,使用`2.1.2小节`训练得到的ResNet50_vd模型作为蒸馏所用的教师模型,首先将`2.1.2小节`训练得到的ResNet50_vd模型保存到指定目录,脚本如下。
|
||||
|
||||
```shell
|
||||
cp -r output_CIFAR/ResNet50_vd/best_model/ ./pretrained/CIFAR100_R50_vd_final/
|
||||
```
|
||||
|
||||
配置文件中数据数量、模型结构、预训练地址以及训练的数据配置如下:
|
||||
|
||||
```yaml
|
||||
total_images: 50000
|
||||
ARCHITECTURE:
|
||||
name: 'ResNet50_vd_distill_MobileNetV3_large_x1_0'
|
||||
pretrained_model:
|
||||
- "./pretrained/CIFAR100_R50_vd_final/ppcls"
|
||||
- "./pretrained/MobileNetV3_large_x1_0_pretrained/”
|
||||
```
|
||||
|
||||
最终的训练脚本如下所示。
|
||||
|
||||
```shell
|
||||
export CUDA_VISIBLE_DEVICES=0,1,2,3
|
||||
python3 -m paddle.distributed.launch \
|
||||
--gpus="0,1,2,3" \
|
||||
tools/train.py \
|
||||
-c ./configs/quick_start/professional/R50_vd_distill_MV3_large_x1_0_CIFAR100.yaml \
|
||||
-o model_save_dir="output_CIFAR"
|
||||
|
||||
```
|
||||
|
||||
最终CIFAR100验证集上的精度为64.4\%,使用教师模型进行知识蒸馏,MobileNetV3的精度涨幅4.3\%。
|
||||
|
||||
* **注意**
|
||||
|
||||
* 蒸馏过程中,教师模型使用的预训练模型为CIFAR100数据集上的训练结果,学生模型使用的是ImageNet1k数据集上精度为75.32\%的MobileNetV3_large_x1_0预训练模型。
|
||||
|
||||
* 该蒸馏过程无须使用真实标签,所以可以使用更多的无标签数据,在使用过程中,可以将无标签数据生成假的train_list.txt,然后与真实的train_list.txt进行合并, 用户可以根据自己的数据自行体验。
|
||||
|
||||
|
||||
## 五、模型评估与推理
|
||||
|
||||
### 5.1 单标签分类模型评估与推理
|
||||
|
||||
#### 5.1.1 单标签分类模型评估。
|
||||
|
||||
训练好模型之后,可以通过以下命令实现对模型精度的评估。
|
||||
|
||||
```bash
|
||||
python3 tools/eval.py \
|
||||
-c ./configs/quick_start/professional/ResNet50_vd_CIFAR100.yaml \
|
||||
-o pretrained_model="./output_CIFAR/ResNet50_vd/best_model/ppcls"
|
||||
```
|
||||
|
||||
#### 5.1.2 单标签分类模型预测
|
||||
|
||||
模型训练完成之后,可以加载训练得到的预训练模型,进行模型预测。在模型库的 `tools/infer/infer.py` 中提供了完整的示例,只需执行下述命令即可完成模型预测:
|
||||
|
||||
```python
|
||||
python3 tools/infer/infer.py \
|
||||
-i "./dataset/CIFAR100/test/0/0001.png" \
|
||||
--model ResNet50_vd \
|
||||
--pretrained_model "./output_CIFAR/ResNet50_vd/best_model/ppcls" \
|
||||
--use_gpu True
|
||||
```
|
||||
|
||||
|
||||
#### 5.1.3 单标签分类使用inference模型进行模型推理
|
||||
|
||||
通过导出inference模型,PaddlePaddle支持使用预测引擎进行预测推理。接下来介绍如何用预测引擎进行推理:
|
||||
首先,对训练好的模型进行转换:
|
||||
|
||||
```bash
|
||||
python3 tools/export_model.py \
|
||||
--model ResNet50_vd \
|
||||
--pretrained_model ./output_CIFAR/ResNet50_vd/best_model/ppcls \
|
||||
--output_path ./inference \
|
||||
--class_dim 100 \
|
||||
--img_size 32
|
||||
```
|
||||
|
||||
其中,参数`--model`用于指定模型名称,`--pretrained_model`用于指定模型文件路径,`--output_path`用于指定转换后模型的存储路径。
|
||||
|
||||
* **注意**:
|
||||
* `--output_path`表示输出的inference模型文件夹路径,若`--output_path=./inference`,则会在`inference`文件夹下生成`inference.pdiparams`、`inference.pdmodel`和`inference.pdiparams.info`文件。
|
||||
|
||||
* 可以通过设置参数`--img_size`指定模型输入图像的`shape`,默认为`224`,表示图像尺寸为`224*224`,请根据实际情况修改。
|
||||
|
||||
上述命令将生成模型结构文件(`inference.pdmodel`)和模型权重文件(`inference.pdiparams`),然后可以使用预测引擎进行推理:
|
||||
|
||||
```bash
|
||||
python3 tools/infer/predict.py \
|
||||
--image_file "./dataset/CIFAR100/test/0/0001.png" \
|
||||
--model_file "./inference/inference.pdmodel" \
|
||||
--params_file "./inference/inference.pdiparams" \
|
||||
--use_gpu=True \
|
||||
--use_tensorrt=False
|
||||
```
|
||||
|
||||
### 5.2 多标签分类模型评估与预测
|
||||
|
||||
#### 5.2.1 多标签分类模型评估
|
||||
|
||||
训练好模型之后,可以通过以下命令实现对模型精度的评估。
|
||||
|
||||
```bash
|
||||
python3 tools/eval.py \
|
||||
-c ./configs/quick_start/ResNet50_vd_multilabel.yaml \
|
||||
-o pretrained_model="./output_NUS-WIDE-SCENE/ResNet50_vd/best_model/ppcls"
|
||||
```
|
||||
|
||||
评估指标采用mAP,验证集的mAP应该在0.57左右。
|
||||
|
||||
#### 5.2.2 多标签分类模型预测
|
||||
|
||||
```bash
|
||||
python3 tools/infer/infer.py \
|
||||
-i "./dataset/NUS-WIDE-SCENE/NUS-SCENE-dataset/images/0199_434752251.jpg" \
|
||||
--model ResNet50_vd \
|
||||
--pretrained_model "./output_NUS-WIDE-SCENE/ResNet50_vd/best_model/ppcls" \
|
||||
--use_gpu True \
|
||||
--multilabel True \
|
||||
--class_num 33
|
||||
```
|
Loading…
Reference in New Issue