What Are the Key Differences Between Panchromatic and Multispectral Images?

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Hi,sometimes I read words like panchromatic images in remote sensing technology. Is panchromatic identical with black&white?Owen
 

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Panchromatic is a b/w film that is red-sensitive. Older, orthochromatic films, are also b/w, but red-insensitive.
 
The definition I get from google is that panchromatic is: (of photographic film) sensitive to all visible colors of the spectrum. Not sure what it means when it comes to remote sensing technology. I'll try to look up more information when I have the time.
 
Some remote sensing systems provide two modes: panchromatic with a higher resolution and multispectral with a lower resolution, so panchromatic is always related to higher resolution.Owen
 

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