This is one of the reasons you can get as many images in to the digital cameras. The higher the compression ratio the more the pixelization or blockyness occurs. The greater the pixel count the less pixelization may occur. These standards are internationally accepted standards for all colormetric measurements. The Lab model, like other CIE color models, defines color values mathematically, in a device independent manner.
Lab color is consistent color regardless of the device producing the color.
Printing term for Lines per Inch. Refers to amount of information in a file, or how much information can be contained on a Hard Drive or Disk. Usually produced with high-end digital cameras, and Scanners. The greater the pixel count of an image the higher the resolution of that image . Windows Paintbrush bitmap image standard.