The just noticeable difference (JND) model reflects the visibility limitations of the human visual system (HVS). which plays an important role in perceptual image/video processing and is commonly applied to perceptual redundancy removal. However. existing JND models are usually constructed by treating the color components of three channels equally. https://www.bekindtopets.com/flash-pick-Ovation-Toddler-Metallic-Schooler-Helmet-XXSmall-XSmall-hot-choice/