Demystifying Resolution An image’s resolution is determined by the image’s pixel count and the bit depth of each pixel. Learning About Pixels A pixel is the smallest discernible element in an image. Each pixel displays one color. A pixel’s color and brightness range is determined by its bit depth. For more information, see “Learning About Bit Depth” on page 38. Pixels are grouped together to create the illusion of an image. On color displays, three color element Read More