Each image pixel values, the light intensity level gradient from white to SIDA, which will keep the light intensity level as a 2-d array.Resolution (Resolution) equals 8 bits, it is the image is all gray level.
Each pixel of the image shows the light intensity level gradient from white to black. This will keep the light intensity level in two-dimensional array with a resolution (Resolution) that is equal to 8 bits gray level image is all.
The image, each pixel will show the light intensity gradient from white to Sita. Which will keep the light intensity in the form of an array 2 dimension resolution (Resolution) was 8 bits, and is the image gray level.