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kaggle-fish-recog's Introduction

nature-conservancy-fisheries-monitoring

kaggle竞赛

inception_v3

  • 使用inception v3模型的网络结构,在最后一层接入神经网络分类器
  • 使用梯度下降优化,learning rate设置成7e-4,准确率可以达到80左右(训练速度很慢)
  • 使用数据增强、增大训练次数可以提高准确率

transfer_learning_svm

  • 使用数据增强,扩大数据集
  • 使用迁移学习,利用google训练好的模型,提取图片特征
  • 使用svm进行分类,使用pca降维,最终模型的准确率在91%以上

transfer_learning_rf

  • 同上,使用迁移学习提取图片特征,后面使用随机森林来进行分类
  • 模型准确率不是很高,在60%左右,参数还有调优空间

可优化点

参考资料

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