Figure 5 | Scientific Reports

Figure 5

From: Highly sensitive image-derived indices of water-stressed plants using hyperspectral imaging in SWIR and histogram analysis

Figure 5

Calculated contrast space in hyperspectral images.

(a) Simple Contrast ratio (SRC), (b) Weber contrast (WC) and (c) Michelson contrast (MC). Each contrast space shows 262,144 contrast values. Arrows point to areas with the highest intensity values. Red color corresponds to higher intensity values. X-axis is the monitoring wavelength and y-axis the normalizing wavelength.

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