This refers to the level of detail of the image, in two senses:
Radiometric: number of energy levels that can be distinguished. Can be practically infinite in photographs, but limited in digital images
Spatial: smallest object that can be distinguished in the image.
This is the same
geographic extent - the University of Florida campus and central Gainesville shown with different resolutions, from lowest to highest resolution: |
1. Multispectral Scanner Image (MSS) - 60 meter resolution |
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2. Thematic Mapper Image (TM) - 30 meter resolution |
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3. SPOT Image - 10 meter resolution |
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4. Indian Remote Sensing Satellite Image (IRS) - 5 meter resolution |
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5. Scanned Aerial Photo - 2 meter resolution |
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