Imaging

The capture of the images used:

• visible light the most common
• invisible light such as infrared, ultraviolet and x-rays
• ultrasound such as in ultrasound scanning
• magnetism such as in magnetic resonance imaging
• radar such as in navigation and satellite imaging

The storage of the images used:

• photographic film used to be most common
• digital media are now preferred due to ease of manipulation

The manipulation of the images used:

• optical techniques using film negatives and enlargers
• computer imaging / digital imaging manipulations are now more common due to its flexibility and versatility

The display of the images used:

• photographic papers
• colour printers such as ink jet, solid wax, dye sublimation and colour photocopy
• computer displays such as CRT and LCD
• false colours where the colours used are not the actual colors such as satellite imaging using infra red, red and green frequency band for red, green and blue colours

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