Extended Data Fig. 8: Visualization of optical density distribution of slides used in the training and test sets. | Nature Medicine

Extended Data Fig. 8: Visualization of optical density distribution of slides used in the training and test sets.

From: An augmented reality microscope with real-time artificial intelligence integration for cancer diagnosis

Extended Data Fig. 8

In the histogram plots, the x axis represents the luma (brightness) of the image. Each point represents the average optical density of an image after mapping RGB values to optical densities followed by HSD color transform32. The training set from a digitized scanner is shown in blue, and test sets from microscopy are shown in red and green.

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