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Here's a quick overview of the digital imaging process.

Capturing an Image

This step is usually accomplished by scanning the analog image. The scanner measures reflected or transmitted light from the analog image, assigning numerical values to the colors or tones in the image to create a digital copy.

Digital cameras can also capture data in digitized format

Terms to know:

Analog - data stored in a continuous form, such as the picture shown here, if it were not being viewed on a monitor.

Digital - data processed using binary numbers through on/off impulses. Example: Here's your portrait in a digital format. Notice how it is comprised of discrete squares called pixels.

Pixel - Picture element The smallest unit of data in a digital image. Together, the small discrete elements constitute an image that can be seen on a monitor or printed on a substrate. A pixel's code contains information relating to color and placement within the larger image.

Now that we know how to "capture" an image, let's move on to...

Design & Layout... the Digital Way!