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华中科技大学 2025春 机器学习大作业


任务二: Fashion-MNIST 数据集 调优

Classifer Preprocessing Best Acc Macro F1 score Parameters
SVC Normalization&Standardization 0.8999 0.8998 ~28.8M
2-layer CNN with Dropout RandomHorizontalFlip&VerticalFlip,Normalization&Standardization 0.9335 0.9333 ~824K
ResNet-7 RandomHorizontalFlip&VerticalFlip,Normalization&Standardization,Random Affine,Random Crop 0.9300 \ (Deleted before Cal) ~184K
WRN-28-2 RandomHorizontalFlip&VerticalFlip,Normalization&Standardization,Random Affine,Random Crop 0.9564 0.9564 ~1.42M
WRN-40-4 RandomHorizontalFlip&VerticalFlip,Normalization&Standardization,Random Affine,Random Crop 0.9578 0.9577 ~8.53M
SE-WRN-40-4 [BEST] RandomHorizontalFlip,Normalization&Standardization,Random Affine,Random Crop,RandomErasing,RandomApply-ColorJitter 0.9609 0.9609 ~8.97M
SE-WRN-64-8 RandomHorizontalFlip,Normalization&Standardization,Random Affine,Random Crop,RandomErasing,RandomApply-ColorJitter 0.9595 0.9595 ~60.9M

以下是2-layer CNN with Dropout 和 SE-WRN-40-4 (BEST) 的训练过程中 loss-epoch 与acc-epoch的可视化图

CNN

SE-WRN-40-4

以下是SE-WRN-40-4的训练过程中 学习率变化 的可视化图

SE-WRN-40-4

备注

python run_best.py

即可跑最好的CNN与RNN模型

github上的版本所有模型参数都使用LFS (这背后是一个教训,本仓库为重置版)

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华中科技大学计算机系-机器学习大作业-FashionMNIST图像分类任务

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