Deep Learning, Artificial Intelligence, Convolutional Network, Weakly Supervised, Object Localization.
of interest. As shown above, in order to obtain the class-discriminative localization map Grad-CAM, the gradient of the score for class c, yc (before the softmax) is computed, with respect to feature maps Ak of a convolutional layer, i.e. 𝛿yc/𝛿Ak. These gradients flowing back are