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Файл:Dental_Photography.pdf
Digital Photography
Resolution
•Each sensor, or photosite, on the CCDCCD produces a unit of brightness/colorr datadata called a picture element, or pixel
•Resolution (sharpness) is describeded asas thethe number of pixels that the chip cann produce (i.e. the number of photositessites onon the chip):
Resolution
Resolution
← 2000 →
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2000 horizontal |
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X |
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2000 vertical = |
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1000 |
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↓ |
2,000,000 pixels |
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(2 megapixels) |
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Resolution
How much is enough?
Resolution – how much is enough?gh?
Depends on intended use, i.e.
Depends on output device
• Monitor or printer and
Depends on size of image