案例

迁移学习

  • 利用数据,任务和模型之间的相似性, 都是分类问题
  • 在旧的领域学习过或训练好的模型
  • 应用于新的领域进行训练

模型地址:models/research/slim at master · tensorflow/models · GitHub

fine tuning, 微调

  • 调整模型参数不需要过多调整
  • 调整模型结构,微微调整
  • 其中Pre_trained:预训练模型
  • fine tuning:微调后的模型

预训练模型:

 tensorflow

Model

TF-Slim File

Checkpoint

Top-1 Accuracy

Top-5 Accuracy

Inception V1

Code

inception_v1_2016_08_28.tar.gz

69.8

89.6

Inception V2

Code

inception_v2_2016_08_28.tar.gz

73.9

91.8

Inception V3

Code

inception_v3_2016_08_28.tar.gz

78.0

93.9

Inception V4

Code

inception_v4_2016_09_09.tar.gz

80.2

95.2

Inception-ResNet-v2

Code

inception_resnet_v2_2016_08_30.tar.gz

80.4

95.3

ResNet V1 50

Code

resnet_v1_50_2016_08_28.tar.gz

75.2

92.2

ResNet V1 101

Code

resnet_v1_101_2016_08_28.tar.gz

76.4

92.9

ResNet V1 152

Code

resnet_v1_152_2016_08_28.tar.gz

76.8

93.2

ResNet V2 50

^

Code

resnet_v2_50_2017_04_14.tar.gz

75.6

92.8

ResNet V2 101

^

Code

resnet_v2_101_2017_04_14.tar.gz

77.0

93.7

ResNet V2 152

^

Code

resnet_v2_152_2017_04_14.tar.gz

77.8

94.1

ResNet V2 200

Code

TBA

79.9*

95.2*

VGG 16

Code

vgg_16_2016_08_28.tar.gz

71.5

89.8

VGG 19

Code

vgg_19_2016_08_28.tar.gz

71.1

89.8

MobileNet_v1_1.0_224

Code

mobilenet_v1_1.0_224.tgz

70.9

89.9

MobileNet_v1_0.50_160

Code

mobilenet_v1_0.50_160.tgz

59.1

81.9

MobileNet_v1_0.25_128

Code

mobilenet_v1_0.25_128.tgz

41.5

66.3

MobileNet_v2_1.4_224^*

Code

mobilenet_v2_1.4_224.tgz

74.9

92.5

MobileNet_v2_1.0_224^*

Code

mobilenet_v2_1.0_224.tgz

71.9

91.0

NASNet-A_Mobile_224

#

Code

nasnet-a_mobile_04_10_2017.tar.gz

74.0

91.6

NASNet-A_Large_331

#

Code

nasnet-a_large_04_10_2017.tar.gz

82.7

96.2

PNASNet-5_Large_331

Code

pnasnet-5_large_2017_12_13.tar.gz

82.9

96.2

PNASNet-5_Mobile_224

Code

pnasnet-5_mobile_2017_12_13.tar.gz

74.2

91.9

 keras

Model

Size

Top-1 Accuracy

Top-5 Accuracy

Parameters

Depth

Xception

88 MB

0.790

0.945

22,910,480

126

VGG16

528 MB

0.713

0.901

138,357,544

23

VGG19

549 MB

0.713

0.900

143,667,240

26

ResNet50

99 MB

0.749

0.921

25,636,712

168

InceptionV3

92 MB

0.779

0.937

23,851,784

159

InceptionResNetV2

215 MB

0.803

0.953

55,873,736

572

MobileNet

16 MB

0.704

0.895

4,253,864

88

MobileNetV2

14 MB

0.713

0.901

3,538,984

88

DenseNet121

33 MB

0.750

0.923

8,062,504

121

DenseNet169

57 MB

0.762

0.932

14,307,880

169

DenseNet201

80 MB

0.773

0.936

20,242,984

201

NASNetMobile

23 MB

0.744

0.919

5,326,716

-

NASNetLarge

343 MB

0.825

0.960

88,949,818

-

过程

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