Automatic image enhancement for Hydroxy naphthol blue (HNB) dyes.
In a Hue-Saturation-Lightness colorspace, the color of each pixel will be stretched in hue to emphasize the colors of HNB and increased 4x in saturation. This increases the perceptual ability to distinguish positive vs negative outcomes of SARS-CoV-2 tests using an isothermal LAMP reaction with HNB (Hydroxy naphthol blue) dye.
In a Hue-Saturation-Lightness colorspace, the color of each pixel will be increased 4x in saturation and rotated 180 degrees in Hue. Kellner et al. (2020) found that this increases the perceptual ability to distinguish positive vs negative outcomes of SARS-CoV-2 tests using an isothermal LAMP reaction with HNB (Hydroxy naphthol blue) dye.
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