Table 1: Manipulations done on the digital images in group B.

Manipulation done Level of change Result obtained
Brightness increase (+50) To make nuclei appear clearer.
Contrast manipulation (+50) To make nuclei darker (hyperchromatic)
Red-green-blue manipulation • +20 towards Red, blue and green respectively. • Tone Balance (Mid-tones). • Luminosity shall be preserved. To make squamous cell appear less keratinized along with darker nuclei.