Digital Image: Rendering of a continuously varying scene with a finite array of picture elements, where each one has a discrete intensity or color 39.

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Presentation transcript:

Digital Image: Rendering of a continuously varying scene with a finite array of picture elements, where each one has a discrete intensity or color

Color Image = Red + Green + Blue =

What is Digital Image Processing? Mathematical operations on the numbers that make up a digital picture Results in a new digital picture which is different from the original REMEMBER : Start with an image -- end with an image

Low Contrast Normal Contrast

High Noise Low Noise

Unnatural Color Realistic Color

What is Digital Image Analysis? Using the numbers in digital pictures to get useful information or solve a problem REMEMBER: Start with an image -- end with an answer

Menu Bar Tool Bar Status Bar

Joe Pow Chester F. Carlson Center for Imaging Science Rochester Institute of Technology