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Grad_CAM (CNN_visualization)

複雜的CNN中使用Grad_CAM技術將CNN最後一層output對圖像提取的特征進行可視化

Original input

image

將heating map疊加原圖效果

可以清楚看見網絡是經由黑猩猩的面部特征判別目標物 image

Enviroment

Python 3.7

module you need

  • Keras with Pretrained_VGG16
  • matplotlib
  • numpy
  • openCV

參考論文: https://arxiv.org/pdf/1610.02391v1.pdf

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使用Grad_CAM技術判斷CNN最後一層輸出的對圖像提取的特征是哪個位置(Keras+VGG16)

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