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#tianchi 广东工业智造算法赛-广东工业智造大数据创新算法赛-铝材表面瑕疵检测-第一赛季

此代码适合小白,作为入门参考,大神请绕路 (水平不高,望勿嘲笑), 本代码第一赛季排名93, 线上识别率94.3% 此代码的方法跟Herbert95大神的baseline分享差不多,只是我这里是Keras,他是基于pytorch: https://github.com/Herbert95/tianchi_lvcai

团队:国立新屋熊 程序说明:---------------------------------------------------------------------------------- 操作系统:win10 或 Ubuntu16.04, python版本:python3 框架:Keras (基于tensorflow) 依赖库: tensorflow, Keras, opencv, pillow, sklearn, scipy, numpy, matplotlib

使用的模型为ImageNet预训练的densenet169 (Keras自带)
参考文献: https://arxiv.org/pdf/1608.06993.pdf

整体思路:数据增强之后直接将网络全部层一起训练,使用经过Imagenet预训练的模型densenet169进行迁移学习
    分别对不同图片大小(img_size分别为:299,400,520)的图片构建多个模型,最后进行模型融合(后验概率求和)

数据集整理: 擦花20180901141803对照样本 为凸粉
            擦花20180901141824对照样本 为凸粉
            擦花20180830164545对照样本 为桔皮                
            擦花20180831160713对照样本 不确定,删除
            擦花20180906093612对照样本 不确定,删除

代码运行方式:
python3 predict.py

注:predict 函数包含训练/测试 2个过程,
    训练过程需要Keras自带的,Imagenet预训练的 densenet-169 模型(过程需联网)
    测试/预测过程请直接利用“models”文件夹中保存的:*.h5 模型
    如果要测试(predict), 修改 is_train = False (默认)
    如果要重新训练, 请修改 is_train = True
    
    例如,如果要利用训练好的model对test样本进行预测,直接:python3 predict.py

提交代码文件夹结构:

project
|--README.md
|--data
    |-- guangdong_round1_train2_20180916
    |-- guangdong_round1_test_a_20180916
    |-- guangdong_round1_test_b_20181009
|--code
    |-- predict.py  主函数,包含:训练/测试 2个过程
    |-- train.py  训练函数:模型构建、模型训练
    |-- data_input.py  数据处理函数,用于导入训练/测试数据
|--submit
    |-- *.csv  提交的结果
|--models
    |-- *.h5  保存训练好的模型,用于预测

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