Let formula 1 denote the pixels adjacent to the formula 2th pixel. Resolution for a table of storage, display and pixel aspect ratios. Images with a resolution of up to per pixel are expected. UHDTV provides other image enhancements in addition to pixel density. It incorporated fully programmable pixel and vertex shaders. This involves embedding quantum dots in each individual pixel. Along with pixel and vertex shaders. Shaders are simple programs that describe the traits of either a vertex or a pixel. GPUs are optimized for parallel pixel computations. The intensity of each pixel is variable. Each cluster has a size of 300x200 pixel. This makes scaling of pixel art a particularly difficult problem. Note how the pixel density relates to choices of sub-pixel type. Factory images were made available for compatible Pixel and Nexus devices later that day. This is then the object the eye sees through that pixel.