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Score-CAM

An implementation of Score-CAM with keras (tf.keras).

The following methods are compared.

  • Grad-CAM
  • Grad-CAM++
  • Score-CAM
  • Faster-Score-CAM (faster version of Score-CAM)

In addition, the followings are contained.

  • Visualization of anomalous area for DAGM dataset
  • Sample code for applying Score-CAM to your model.

Blog post: Qiita

Faster Score-CAM

We thought that several channels were dominant in generating the final heat map. Faster-Score-CAM adds the processing of “use only channels with large variances as mask images” to Score-CAM. (max_N = -1 is the original Score-CAM).

When using VGG16, Faster-Score-CAM is about 10 times faster than Score-CAM.

Requirement

  • Python >= 3.6
  • tensorflow >= 2.0

Usage

See Score-CAM.ipynb.