Thread: HRPT image of Norway
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Old October 15th 03, 10:52 PM posted to uk.sci.weather
Bernard Burton Bernard Burton is offline
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First recorded activity by Weather-Banter: Jul 2003
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Default HRPT image of Norway
"Jonathan Stott" wrote in message
...
Bernard Burton wrote:

Good view of the mountains of southern Norway today

http://www.btinternet.com/~wokingham...55-b-sca-s.JPG

What are the little white dots scattered over the image?

Jonathan


Jonathon,
The dots (known as speckles) are missing or corrupt pixels due to weak
signal from the satellite.
It is possible to reduce these by image processing, but this also degrades
the rest of the image slightly.

--
Bernard Burton
Wokingham, Berkshire, UK.


Satellite images at:
www.btinternet.com/~wokingham.weather/wwp.html



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