It is no secret to great teaching that to see an object does wonders for the transfer of ideas. At this point I have established that the concept of visualizing information is not new to you. Imaging in Education, the subject I am introducing, simply adds to the mix, the capabilities of the computer to manipulate images in the service of understanding. As fascinated as I am with how things work, I am going to give you the condensed version of the fundamentals of Image Processing in Education. If you are inclined to this same fascination, check out the following book list .
Computers only see what they see digitally.
And images, digital images are no more then a string of numbers. Those numbers control what the computer displays on your screen. The computer shoots electrons at the back of the screen. The phosphor gets excited by the electrons and in the excitement becomes luminous. Through various ways these three dots of color together can be seen as any one of 256 colors.