Image Geolocation Method Based on Attention Mechanism Front Loading and Feature Fusion

Figure 7

The Grad-CAM visualizations for the original NetVLAD and the version adding noise filtering layer. (a) The original image, (b) the R, G, B components of the original image, (c) the heat map of the original NetVLAD, (d) the R, G, B components of the image after the noise filtering layer, and (e) the heat map of the version improved by adding the noise filtering layer.

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