Figure 5From: Unsupervised deep learning techniques for automatic detection of plant diseases: reducing the need of manual labelling of plant imagesVisualization of the representation space extracted by the Clu-AE model. The input image is the (diseased) leaf shown in RGB. Each of the 64 features has its own range of values; the brighter the color of a pixel in the feature image, the higher its numerical valueBack to article page